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linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/Makefile

@@ -0,0 +1,218 @@
+# Copyright 2022-2026 Advanced Micro Devices, Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+# Makefile for the 'hwss' sub-component of DAL.
+#
+
+
+###############################################################################
+#  DCE
+###############################################################################
+
+ifdef CONFIG_DRM_AMD_DC_SI
+HWSS_DCE60 = dce60_hwseq.o
+
+AMD_DAL_HWSS_DCE60 = $(addprefix $(AMDDALPATH)/dc/hwss/dce60/,$(HWSS_DCE60))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCE60)
+endif
+
+###############################################################################
+
+HWSS_DCE80 = dce80_hwseq.o
+
+AMD_DAL_HWSS_DCE80 = $(addprefix $(AMDDALPATH)/dc/hwss/dce80/,$(HWSS_DCE80))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCE80)
+
+###############################################################################
+
+HWSS_DCE = dce_hwseq.o
+
+AMD_DAL_HWSS_DCE = $(addprefix $(AMDDALPATH)/dc/hwss/dce/,$(HWSS_DCE))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCE)
+
+###############################################################################
+
+HWSS_DCE100 = dce100_hwseq.o
+
+AMD_DAL_HWSS_DCE100 = $(addprefix $(AMDDALPATH)/dc/hwss/dce100/,$(HWSS_DCE100))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCE100)
+
+###############################################################################
+
+HWSS_DCE110 = dce110_hwseq.o
+
+AMD_DAL_HWSS_DCE110 = $(addprefix $(AMDDALPATH)/dc/hwss/dce110/,$(HWSS_DCE110))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCE110)
+
+###############################################################################
+
+HWSS_DCE112 = dce112_hwseq.o
+
+AMD_DAL_HWSS_DCE112 = $(addprefix $(AMDDALPATH)/dc/hwss/dce112/,$(HWSS_DCE112))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCE112)
+
+###############################################################################
+
+HWSS_DCE120 = dce120_hwseq.o
+
+AMD_DAL_HWSS_DCE120 = $(addprefix $(AMDDALPATH)/dc/hwss/dce120/,$(HWSS_DCE120))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCE120)
+
+ifdef CONFIG_DRM_AMD_DC_FP
+###############################################################################
+# DCN
+###############################################################################
+
+HWSS_DCN10 = dcn10_hwseq.o dcn10_init.o
+
+AMD_DAL_HWSS_DCN10 = $(addprefix $(AMDDALPATH)/dc/hwss/dcn10/,$(HWSS_DCN10))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN10)
+
+###############################################################################
+
+HWSS_DCN20 = dcn20_hwseq.o dcn20_init.o
+
+AMD_DAL_HWSS_DCN20 = $(addprefix $(AMDDALPATH)/dc/hwss/dcn20/,$(HWSS_DCN20))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN20)
+
+###############################################################################
+
+HWSS_DCN201 = dcn201_hwseq.o dcn201_init.o
+
+AMD_DAL_HWSS_DCN201 = $(addprefix $(AMDDALPATH)/dc/hwss/dcn201/,$(HWSS_DCN201))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN201)
+
+###############################################################################
+
+HWSS_DCN21 = dcn21_hwseq.o dcn21_init.o
+
+AMD_DAL_HWSS_DCN21 = $(addprefix $(AMDDALPATH)/dc/hwss/dcn21/,$(HWSS_DCN21))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN21)
+
+###############################################################################
+
+HWSS_DCN30 = dcn30_hwseq.o dcn30_init.o
+
+AMD_DAL_HWSS_DCN30 = $(addprefix $(AMDDALPATH)/dc/hwss/dcn30/,$(HWSS_DCN30))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN30)
+
+###############################################################################
+
+HWSS_DCN301 = dcn301_hwseq.o dcn301_init.o
+
+AMD_DAL_HWSS_DCN301 = $(addprefix $(AMDDALPATH)/dc/hwss/dcn301/,$(HWSS_DCN301))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN301)
+
+###############################################################################
+
+HWSS_DCN302 = dcn302_hwseq.o dcn302_init.o
+
+AMD_DAL_HWSS_DCN302 = $(addprefix $(AMDDALPATH)/dc/hwss/dcn302/,$(HWSS_DCN302))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN302)
+
+
+
+###############################################################################
+
+HWSS_DCN303 = dcn303_hwseq.o dcn303_init.o
+
+AMD_DAL_HWSS_DCN303 = $(addprefix $(AMDDALPATH)/dc/hwss/dcn303/,$(HWSS_DCN303))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN303)
+
+###############################################################################
+
+HWSS_DCN31 = dcn31_hwseq.o dcn31_init.o
+
+AMD_DAL_HWSS_DCN31 = $(addprefix $(AMDDALPATH)/dc/hwss/dcn31/,$(HWSS_DCN31))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN31)
+
+###############################################################################
+
+HWSS_DCN314 = dcn314_hwseq.o dcn314_init.o
+
+AMD_DAL_HWSS_DCN314 = $(addprefix $(AMDDALPATH)/dc/hwss/dcn314/,$(HWSS_DCN314))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN314)
+
+###############################################################################
+
+HWSS_DCN32 = dcn32_hwseq.o dcn32_init.o
+
+AMD_DAL_HWSS_DCN32 = $(addprefix $(AMDDALPATH)/dc/hwss/dcn32/,$(HWSS_DCN32))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN32)
+
+###############################################################################
+
+HWSS_DCN35 = dcn35_hwseq.o dcn35_init.o
+
+AMD_DAL_HWSS_DCN35 = $(addprefix $(AMDDALPATH)/dc/hwss/dcn35/,$(HWSS_DCN35))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN35)
+
+###############################################################################
+
+HWSS_DCN351 = dcn351_hwseq.o dcn351_init.o
+
+AMD_DAL_HWSS_DCN351 = $(addprefix $(AMDDALPATH)/dc/hwss/dcn351/,$(HWSS_DCN351))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN351)
+
+###############################################################################
+
+HWSS_DCN401 = dcn401_hwseq.o dcn401_init.o
+
+AMD_DAL_HWSS_DCN401 = $(addprefix $(AMDDALPATH)/dc/hwss/dcn401/,$(HWSS_DCN401))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN401)
+
+###############################################################################
+
+HWSS_DCN42 = dcn42_hwseq.o dcn42_init.o
+
+AMD_DAL_HWSS_DCN42 = $(addprefix $(AMDDALPATH)/dc/hwss/dcn42/,$(HWSS_DCN42))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN42)
+
+###############################################################################
+
+HWSS_DCN42B = dcn42b_hwseq.o dcn42b_init.o
+
+AMD_DAL_HWSS_DCN42B = $(addprefix $(AMDDALPATH)/dc/hwss/dcn42b/,$(HWSS_DCN42B))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HWSS_DCN42B)
+
+endif

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.c

@@ -0,0 +1,219 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dce_hwseq.h"
+#include "reg_helper.h"
+#include "hw_sequencer_private.h"
+#include "core_types.h"
+
+#define CTX \
+	hws->ctx
+#define REG(reg)\
+	hws->regs->reg
+
+#undef FN
+#define FN(reg_name, field_name) \
+	hws->shifts->field_name, hws->masks->field_name
+
+void dce_enable_fe_clock(struct dce_hwseq *hws,
+		unsigned int fe_inst, bool enable)
+{
+	REG_UPDATE(DCFE_CLOCK_CONTROL[fe_inst],
+			DCFE_CLOCK_ENABLE, enable);
+}
+
+void dce_pipe_control_lock(struct dc *dc,
+		struct pipe_ctx *pipe,
+		bool lock)
+{
+	uint32_t lock_val = lock ? 1 : 0;
+	uint32_t dcp_grph, scl, blnd, update_lock_mode, val;
+	struct dce_hwseq *hws = dc->hwseq;
+
+	/* Not lock pipe when blank */
+	if (lock && pipe->stream_res.tg->funcs->is_blanked &&
+	    pipe->stream_res.tg->funcs->is_blanked(pipe->stream_res.tg))
+		return;
+
+	val = REG_GET_4(BLND_V_UPDATE_LOCK[pipe->stream_res.tg->inst],
+			BLND_DCP_GRPH_V_UPDATE_LOCK, &dcp_grph,
+			BLND_SCL_V_UPDATE_LOCK, &scl,
+			BLND_BLND_V_UPDATE_LOCK, &blnd,
+			BLND_V_UPDATE_LOCK_MODE, &update_lock_mode);
+
+	dcp_grph = lock_val;
+	scl = lock_val;
+	blnd = lock_val;
+	update_lock_mode = lock_val;
+
+	REG_SET_2(BLND_V_UPDATE_LOCK[pipe->stream_res.tg->inst], val,
+			BLND_DCP_GRPH_V_UPDATE_LOCK, dcp_grph,
+			BLND_SCL_V_UPDATE_LOCK, scl);
+
+	if (hws->masks->BLND_BLND_V_UPDATE_LOCK != 0)
+		REG_SET_2(BLND_V_UPDATE_LOCK[pipe->stream_res.tg->inst], val,
+				BLND_BLND_V_UPDATE_LOCK, blnd,
+				BLND_V_UPDATE_LOCK_MODE, update_lock_mode);
+
+	if (hws->wa.blnd_crtc_trigger) {
+		if (!lock) {
+			uint32_t value = REG_READ(CRTC_H_BLANK_START_END[pipe->stream_res.tg->inst]);
+			REG_WRITE(CRTC_H_BLANK_START_END[pipe->stream_res.tg->inst], value);
+		}
+	}
+}
+
+#if defined(CONFIG_DRM_AMD_DC_SI)
+void dce60_pipe_control_lock(struct dc *dc,
+		struct pipe_ctx *pipe,
+		bool lock)
+{
+	/* DCE6 has no BLND_V_UPDATE_LOCK register */
+}
+#endif
+
+void dce_set_blender_mode(struct dce_hwseq *hws,
+	unsigned int blnd_inst,
+	enum blnd_mode mode)
+{
+	uint32_t feedthrough = 1;
+	uint32_t blnd_mode = 0;
+	uint32_t multiplied_mode = 0;
+	uint32_t alpha_mode = 2;
+
+	switch (mode) {
+	case BLND_MODE_OTHER_PIPE:
+		feedthrough = 0;
+		blnd_mode = 1;
+		alpha_mode = 0;
+		break;
+	case BLND_MODE_BLENDING:
+		feedthrough = 0;
+		blnd_mode = 2;
+		alpha_mode = 0;
+		multiplied_mode = 1;
+		break;
+	case BLND_MODE_CURRENT_PIPE:
+	default:
+		if (REG(BLND_CONTROL[blnd_inst]) == REG(BLNDV_CONTROL) ||
+				blnd_inst == 0)
+			feedthrough = 0;
+		break;
+	}
+
+	REG_UPDATE(BLND_CONTROL[blnd_inst],
+		BLND_MODE, blnd_mode);
+
+	if (hws->masks->BLND_ALPHA_MODE != 0) {
+		REG_UPDATE_3(BLND_CONTROL[blnd_inst],
+			BLND_FEEDTHROUGH_EN, feedthrough,
+			BLND_ALPHA_MODE, alpha_mode,
+			BLND_MULTIPLIED_MODE, multiplied_mode);
+	}
+}
+
+
+static void dce_disable_sram_shut_down(struct dce_hwseq *hws)
+{
+	if (REG(DC_MEM_GLOBAL_PWR_REQ_CNTL))
+		REG_UPDATE(DC_MEM_GLOBAL_PWR_REQ_CNTL,
+				DC_MEM_GLOBAL_PWR_REQ_DIS, 1);
+}
+
+static void dce_underlay_clock_enable(struct dce_hwseq *hws)
+{
+	/* todo: why do we need this at boot? is dce_enable_fe_clock enough? */
+	if (REG(DCFEV_CLOCK_CONTROL))
+		REG_UPDATE(DCFEV_CLOCK_CONTROL,
+				DCFEV_CLOCK_ENABLE, 1);
+}
+
+static void enable_hw_base_light_sleep(void)
+{
+	/* TODO: implement */
+}
+
+static void disable_sw_manual_control_light_sleep(void)
+{
+	/* TODO: implement */
+}
+
+void dce_clock_gating_power_up(struct dce_hwseq *hws,
+		bool enable)
+{
+	if (enable) {
+		enable_hw_base_light_sleep();
+		disable_sw_manual_control_light_sleep();
+	} else {
+		dce_disable_sram_shut_down(hws);
+		dce_underlay_clock_enable(hws);
+	}
+}
+
+void dce_crtc_switch_to_clk_src(struct dce_hwseq *hws,
+		struct clock_source *clk_src,
+		unsigned int tg_inst)
+{
+	if (clk_src->id == CLOCK_SOURCE_ID_DP_DTO || clk_src->dp_clk_src) {
+		REG_UPDATE(PIXEL_RATE_CNTL[tg_inst],
+				DP_DTO0_ENABLE, 1);
+
+	} else if (clk_src->id >= CLOCK_SOURCE_COMBO_PHY_PLL0) {
+		uint32_t rate_source = clk_src->id - CLOCK_SOURCE_COMBO_PHY_PLL0;
+
+		REG_UPDATE_2(PHYPLL_PIXEL_RATE_CNTL[tg_inst],
+				PHYPLL_PIXEL_RATE_SOURCE, rate_source,
+				PIXEL_RATE_PLL_SOURCE, 0);
+
+		REG_UPDATE(PIXEL_RATE_CNTL[tg_inst],
+				DP_DTO0_ENABLE, 0);
+
+	} else if (clk_src->id <= CLOCK_SOURCE_ID_PLL2) {
+		uint32_t rate_source = clk_src->id - CLOCK_SOURCE_ID_PLL0;
+
+		REG_UPDATE_2(PIXEL_RATE_CNTL[tg_inst],
+				PIXEL_RATE_SOURCE, rate_source,
+				DP_DTO0_ENABLE, 0);
+
+		if (REG(PHYPLL_PIXEL_RATE_CNTL[tg_inst]))
+			REG_UPDATE(PHYPLL_PIXEL_RATE_CNTL[tg_inst],
+					PIXEL_RATE_PLL_SOURCE, 1);
+	} else {
+		DC_ERR("Unknown clock source. clk_src id: %d, TG_inst: %d",
+		       clk_src->id, tg_inst);
+	}
+}
+
+/* Only use LUT for 8 bit formats */
+bool dce_use_lut(enum surface_pixel_format format)
+{
+	switch (format) {
+	case SURFACE_PIXEL_FORMAT_GRPH_ARGB8888:
+	case SURFACE_PIXEL_FORMAT_GRPH_ABGR8888:
+		return true;
+	default:
+		return false;
+	}
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dce100/dce100_hwseq.c

@@ -0,0 +1,172 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#include "dm_services.h"
+#include "dc.h"
+#include "core_types.h"
+#include "clk_mgr.h"
+#include "dce100_hwseq.h"
+#include "resource.h"
+
+#include "dce110/dce110_hwseq.h"
+
+/* include DCE10 register header files */
+#include "dce/dce_10_0_d.h"
+#include "dce/dce_10_0_sh_mask.h"
+
+struct dce100_hw_seq_reg_offsets {
+	uint32_t blnd;
+	uint32_t crtc;
+};
+
+static const struct dce100_hw_seq_reg_offsets reg_offsets[] = {
+{
+	.crtc = (mmCRTC0_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
+},
+{
+	.crtc = (mmCRTC1_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
+},
+{
+	.crtc = (mmCRTC2_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
+},
+{
+	.crtc = (mmCRTC3_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
+},
+{
+	.crtc = (mmCRTC4_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
+},
+{
+	.crtc = (mmCRTC5_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
+}
+};
+
+#define HW_REG_CRTC(reg, id)\
+	(reg + reg_offsets[id].crtc)
+
+/*******************************************************************************
+ * Private definitions
+ ******************************************************************************/
+/***************************PIPE_CONTROL***********************************/
+
+bool dce100_enable_display_power_gating(
+	struct dc *dc,
+	uint8_t controller_id,
+	struct dc_bios *dcb,
+	enum pipe_gating_control power_gating)
+{
+	enum bp_result bp_result = BP_RESULT_OK;
+	enum bp_pipe_control_action cntl;
+	struct dc_context *ctx = dc->ctx;
+
+	if (power_gating == PIPE_GATING_CONTROL_INIT)
+		cntl = ASIC_PIPE_INIT;
+	else if (power_gating == PIPE_GATING_CONTROL_ENABLE)
+		cntl = ASIC_PIPE_ENABLE;
+	else
+		cntl = ASIC_PIPE_DISABLE;
+
+	if (!(power_gating == PIPE_GATING_CONTROL_INIT && controller_id != 0)){
+
+		bp_result = dcb->funcs->enable_disp_power_gating(
+						dcb, controller_id + 1, cntl);
+
+		/* Revert MASTER_UPDATE_MODE to 0 because bios sets it 2
+		 * by default when command table is called
+		 */
+		dm_write_reg(ctx,
+			HW_REG_CRTC(mmMASTER_UPDATE_MODE, controller_id),
+			0);
+	}
+
+	if (bp_result == BP_RESULT_OK)
+		return true;
+	else
+		return false;
+}
+
+void dce100_prepare_bandwidth(
+		struct dc *dc,
+		struct dc_state *context)
+{
+	dce110_set_safe_displaymarks(&context->res_ctx, dc->res_pool);
+
+	dc->clk_mgr->funcs->update_clocks(
+			dc->clk_mgr,
+			context,
+			false);
+}
+
+void dce100_optimize_bandwidth(
+		struct dc *dc,
+		struct dc_state *context)
+{
+	dce110_set_safe_displaymarks(&context->res_ctx, dc->res_pool);
+
+	dc->clk_mgr->funcs->update_clocks(
+			dc->clk_mgr,
+			context,
+			true);
+}
+
+/**************************************************************************/
+
+void dce100_hw_sequencer_construct(struct dc *dc)
+{
+	dce110_hw_sequencer_construct(dc);
+
+	dc->hwseq->funcs.enable_display_power_gating = dce100_enable_display_power_gating;
+	dc->hwss.prepare_bandwidth = dce100_prepare_bandwidth;
+	dc->hwss.optimize_bandwidth = dce100_optimize_bandwidth;
+	dc->hwss.clear_surface_dcc_and_tiling = dce100_reset_surface_dcc_and_tiling;
+}
+
+/**
+ * dce100_reset_surface_dcc_and_tiling - Set DCC and tiling in DCE to their disable mode.
+ *
+ * @pipe_ctx: Pointer to the pipe context structure.
+ * @plane_state: Surface state
+ * @clear_tiling: If true set tiling to Linear, otherwise does not change tiling
+ *
+ * This function is responsible for call the HUBP block to disable DCC and set
+ * tiling to the linear mode.
+ */
+void dce100_reset_surface_dcc_and_tiling(struct pipe_ctx *pipe_ctx,
+					struct dc_plane_state *plane_state,
+					bool clear_tiling)
+{
+	struct mem_input *mi = pipe_ctx->plane_res.mi;
+
+	if (!mi)
+		return;
+
+	/* if framebuffer is tiled, disable tiling */
+	if (clear_tiling && mi->funcs->mem_input_clear_tiling)
+		mi->funcs->mem_input_clear_tiling(mi);
+
+	/* force page flip to see the new content of the framebuffer */
+	mi->funcs->mem_input_program_surface_flip_and_addr(mi,
+							   &plane_state->address,
+							   true);
+}
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dce100/dce100_hwseq.h

@@ -0,0 +1,54 @@
+/*
+* Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCE100_H__
+#define __DC_HWSS_DCE100_H__
+
+#include "core_types.h"
+#include "hw_sequencer_private.h"
+
+struct dc;
+struct dc_state;
+
+void dce100_hw_sequencer_construct(struct dc *dc);
+
+void dce100_prepare_bandwidth(
+		struct dc *dc,
+		struct dc_state *context);
+
+void dce100_optimize_bandwidth(
+		struct dc *dc,
+		struct dc_state *context);
+
+bool dce100_enable_display_power_gating(struct dc *dc, uint8_t controller_id,
+					struct dc_bios *dcb,
+					enum pipe_gating_control power_gating);
+
+void dce100_reset_surface_dcc_and_tiling(struct pipe_ctx *pipe_ctx,
+					struct dc_plane_state *plane_state,
+					bool clear_tiling);
+
+#endif /* __DC_HWSS_DCE100_H__ */
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.h

@@ -0,0 +1,125 @@
+/*
+* Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCE110_H__
+#define __DC_HWSS_DCE110_H__
+
+#include "core_types.h"
+#include "hw_sequencer_private.h"
+
+struct dc;
+struct dc_state;
+struct dm_pp_display_configuration;
+
+void dce110_hw_sequencer_construct(struct dc *dc);
+
+enum dc_status dce110_apply_ctx_to_hw(
+		struct dc *dc,
+		struct dc_state *context);
+
+enum dc_status dce110_apply_single_controller_ctx_to_hw(
+		struct pipe_ctx *pipe_ctx,
+		struct dc_state *context,
+		struct dc *dc);
+
+void dce110_enable_stream(struct pipe_ctx *pipe_ctx);
+
+void dce110_disable_stream(struct pipe_ctx *pipe_ctx);
+
+void dce110_unblank_stream(struct pipe_ctx *pipe_ctx,
+		struct dc_link_settings *link_settings);
+
+void dce110_blank_stream(struct pipe_ctx *pipe_ctx);
+
+void dce110_enable_audio_stream(struct pipe_ctx *pipe_ctx);
+void dce110_disable_audio_stream(struct pipe_ctx *pipe_ctx);
+
+void dce110_update_info_frame(struct pipe_ctx *pipe_ctx);
+
+void dce110_set_avmute(struct pipe_ctx *pipe_ctx, bool enable);
+void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context);
+
+void dce110_power_down(struct dc *dc);
+
+void dce110_set_safe_displaymarks(
+		struct resource_context *res_ctx,
+		const struct resource_pool *pool);
+
+void dce110_prepare_bandwidth(
+		struct dc *dc,
+		struct dc_state *context);
+
+void dce110_optimize_bandwidth(
+		struct dc *dc,
+		struct dc_state *context);
+
+void dce110_edp_power_control(
+		struct dc_link *link,
+		bool power_up);
+
+void dce110_edp_backlight_control(
+	struct dc_link *link,
+	bool enable);
+
+void dce110_edp_wait_for_hpd_ready(
+		struct dc_link *link,
+		bool power_up);
+
+bool dce110_set_backlight_level(struct pipe_ctx *pipe_ctx,
+	struct set_backlight_level_params *params);
+void dce110_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx);
+void dce110_set_pipe(struct pipe_ctx *pipe_ctx);
+void dce110_disable_link_output(struct dc_link *link,
+		const struct link_resource *link_res,
+		enum signal_type signal);
+void dce110_enable_lvds_link_output(struct dc_link *link,
+		const struct link_resource *link_res,
+		enum clock_source_id clock_source,
+		uint32_t pixel_clock);
+void dce110_enable_tmds_link_output(struct dc_link *link,
+		const struct link_resource *link_res,
+		enum signal_type signal,
+		enum clock_source_id clock_source,
+		enum dc_color_depth color_depth,
+		uint32_t pixel_clock);
+void dce110_enable_dp_link_output(
+		struct dc_link *link,
+		const struct link_resource *link_res,
+		enum signal_type signal,
+		enum clock_source_id clock_source,
+		const struct dc_link_settings *link_settings);
+void build_audio_output(
+		struct dc_state *state,
+		const struct pipe_ctx *pipe_ctx,
+		struct audio_output *audio_output);
+enum audio_dto_source translate_to_dto_source(enum controller_id crtc_id);
+void populate_audio_dp_link_info(
+	const struct pipe_ctx *pipe_ctx,
+	struct audio_dp_link_info *dp_link_info);
+void enable_fbc(
+	struct dc *dc,
+	struct dc_state *context);
+#endif /* __DC_HWSS_DCE110_H__ */
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dce112/dce112_hwseq.c

@@ -0,0 +1,160 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dm_services.h"
+#include "dc.h"
+#include "core_types.h"
+#include "dce112_hwseq.h"
+
+#include "dce110/dce110_hwseq.h"
+
+/* include DCE11.2 register header files */
+#include "dce/dce_11_2_d.h"
+#include "dce/dce_11_2_sh_mask.h"
+
+struct dce112_hw_seq_reg_offsets {
+	uint32_t crtc;
+};
+
+
+static const struct dce112_hw_seq_reg_offsets reg_offsets[] = {
+{
+	.crtc = (mmCRTC0_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
+},
+{
+	.crtc = (mmCRTC1_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
+},
+{
+	.crtc = (mmCRTC2_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
+},
+{
+	.crtc = (mmCRTC3_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
+},
+{
+	.crtc = (mmCRTC4_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
+},
+{
+	.crtc = (mmCRTC5_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
+}
+};
+#define HW_REG_CRTC(reg, id)\
+	(reg + reg_offsets[id].crtc)
+
+/*******************************************************************************
+ * Private definitions
+ ******************************************************************************/
+
+static void dce112_init_pte(struct dc_context *ctx)
+{
+	uint32_t addr;
+	uint32_t value = 0;
+	uint32_t chunk_int = 0;
+	uint32_t chunk_mul = 0;
+
+	addr = mmDVMM_PTE_REQ;
+	value = dm_read_reg(ctx, addr);
+
+	chunk_int = get_reg_field_value(
+		value,
+		DVMM_PTE_REQ,
+		HFLIP_PTEREQ_PER_CHUNK_INT);
+
+	chunk_mul = get_reg_field_value(
+		value,
+		DVMM_PTE_REQ,
+		HFLIP_PTEREQ_PER_CHUNK_MULTIPLIER);
+
+	if (chunk_int != 0x4 || chunk_mul != 0x4) {
+
+		set_reg_field_value(
+			value,
+			255,
+			DVMM_PTE_REQ,
+			MAX_PTEREQ_TO_ISSUE);
+
+		set_reg_field_value(
+			value,
+			4,
+			DVMM_PTE_REQ,
+			HFLIP_PTEREQ_PER_CHUNK_INT);
+
+		set_reg_field_value(
+			value,
+			4,
+			DVMM_PTE_REQ,
+			HFLIP_PTEREQ_PER_CHUNK_MULTIPLIER);
+
+		dm_write_reg(ctx, addr, value);
+	}
+}
+
+static bool dce112_enable_display_power_gating(
+	struct dc *dc,
+	uint8_t controller_id,
+	struct dc_bios *dcb,
+	enum pipe_gating_control power_gating)
+{
+	enum bp_result bp_result = BP_RESULT_OK;
+	enum bp_pipe_control_action cntl;
+	struct dc_context *ctx = dc->ctx;
+
+	if (power_gating == PIPE_GATING_CONTROL_INIT)
+		cntl = ASIC_PIPE_INIT;
+	else if (power_gating == PIPE_GATING_CONTROL_ENABLE)
+		cntl = ASIC_PIPE_ENABLE;
+	else
+		cntl = ASIC_PIPE_DISABLE;
+
+	if (power_gating != PIPE_GATING_CONTROL_INIT || controller_id == 0) {
+
+		bp_result = dcb->funcs->enable_disp_power_gating(
+						dcb, controller_id + 1, cntl);
+
+		/* Revert MASTER_UPDATE_MODE to 0 because bios sets it 2
+		 * by default when command table is called
+		 */
+		dm_write_reg(ctx,
+			HW_REG_CRTC(mmCRTC_MASTER_UPDATE_MODE, controller_id),
+			0);
+	}
+
+	if (power_gating != PIPE_GATING_CONTROL_ENABLE)
+		dce112_init_pte(ctx);
+
+	if (bp_result == BP_RESULT_OK)
+		return true;
+	else
+		return false;
+}
+
+void dce112_hw_sequencer_construct(struct dc *dc)
+{
+	/* All registers used by dce11.2 match those in dce11 in offset and
+	 * structure
+	 */
+	dce110_hw_sequencer_construct(dc);
+	dc->hwseq->funcs.enable_display_power_gating = dce112_enable_display_power_gating;
+}
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dce112/dce112_hwseq.h

@@ -0,0 +1,37 @@
+/*
+* Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCE112_H__
+#define __DC_HWSS_DCE112_H__
+
+#include "core_types.h"
+#include "hw_sequencer_private.h"
+
+struct dc;
+
+void dce112_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_HWSS_DCE112_H__ */
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dce120/dce120_hwseq.c

@@ -0,0 +1,274 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dm_services.h"
+#include "dc.h"
+#include "core_types.h"
+#include "dce120_hwseq.h"
+#include "dce/dce_hwseq.h"
+
+#include "dce100/dce100_hwseq.h"
+#include "dce110/dce110_hwseq.h"
+
+#include "dce/dce_12_0_offset.h"
+#include "dce/dce_12_0_sh_mask.h"
+#include "soc15_hw_ip.h"
+#include "vega10_ip_offset.h"
+#include "reg_helper.h"
+
+#define CTX \
+	hws->ctx
+#define REG(reg)\
+	hws->regs->reg
+
+#undef FN
+#define FN(reg_name, field_name) \
+	hws->shifts->field_name, hws->masks->field_name
+
+struct dce120_hw_seq_reg_offsets {
+	uint32_t crtc;
+};
+
+#if 0
+static const struct dce120_hw_seq_reg_offsets reg_offsets[] = {
+{
+	.crtc = (mmCRTC0_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
+},
+{
+	.crtc = (mmCRTC1_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
+},
+{
+	.crtc = (mmCRTC2_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
+},
+{
+	.crtc = (mmCRTC3_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
+},
+{
+	.crtc = (mmCRTC4_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
+},
+{
+	.crtc = (mmCRTC5_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
+}
+};
+
+#define HW_REG_CRTC(reg, id)\
+	(reg + reg_offsets[id].crtc)
+
+#define CNTL_ID(controller_id)\
+	controller_id
+/*******************************************************************************
+ * Private definitions
+ ******************************************************************************/
+static void dce120_init_pte(struct dc_context *ctx, uint8_t controller_id)
+{
+	uint32_t addr;
+	uint32_t value = 0;
+	uint32_t chunk_int = 0;
+	uint32_t chunk_mul = 0;
+/*
+	addr = mmDCP0_DVMM_PTE_CONTROL + controller_id *
+			(mmDCP1_DVMM_PTE_CONTROL- mmDCP0_DVMM_PTE_CONTROL);
+
+	value = dm_read_reg(ctx, addr);
+
+	set_reg_field_value(
+			value, 0, DCP, controller_id,
+			DVMM_PTE_CONTROL,
+			DVMM_USE_SINGLE_PTE);
+
+	set_reg_field_value_soc15(
+			value, 1, DCP, controller_id,
+			DVMM_PTE_CONTROL,
+			DVMM_PTE_BUFFER_MODE0);
+
+	set_reg_field_value_soc15(
+			value, 1, DCP, controller_id,
+			DVMM_PTE_CONTROL,
+			DVMM_PTE_BUFFER_MODE1);
+
+	dm_write_reg(ctx, addr, value);*/
+
+	addr = mmDVMM_PTE_REQ;
+	value = dm_read_reg(ctx, addr);
+
+	chunk_int = get_reg_field_value(
+		value,
+		DVMM_PTE_REQ,
+		HFLIP_PTEREQ_PER_CHUNK_INT);
+
+	chunk_mul = get_reg_field_value(
+		value,
+		DVMM_PTE_REQ,
+		HFLIP_PTEREQ_PER_CHUNK_MULTIPLIER);
+
+	if (chunk_int != 0x4 || chunk_mul != 0x4) {
+
+		set_reg_field_value(
+			value,
+			255,
+			DVMM_PTE_REQ,
+			MAX_PTEREQ_TO_ISSUE);
+
+		set_reg_field_value(
+			value,
+			4,
+			DVMM_PTE_REQ,
+			HFLIP_PTEREQ_PER_CHUNK_INT);
+
+		set_reg_field_value(
+			value,
+			4,
+			DVMM_PTE_REQ,
+			HFLIP_PTEREQ_PER_CHUNK_MULTIPLIER);
+
+		dm_write_reg(ctx, addr, value);
+	}
+}
+#endif
+
+static bool dce120_enable_display_power_gating(
+	struct dc *dc,
+	uint8_t controller_id,
+	struct dc_bios *dcb,
+	enum pipe_gating_control power_gating)
+{
+	(void)dc;
+	(void)controller_id;
+	(void)dcb;
+	(void)power_gating;
+	/* disable for bringup */
+#if 0
+	enum bp_result bp_result = BP_RESULT_OK;
+	enum bp_pipe_control_action cntl;
+	struct dc_context *ctx = dc->ctx;
+
+	if (power_gating == PIPE_GATING_CONTROL_INIT)
+		cntl = ASIC_PIPE_INIT;
+	else if (power_gating == PIPE_GATING_CONTROL_ENABLE)
+		cntl = ASIC_PIPE_ENABLE;
+	else
+		cntl = ASIC_PIPE_DISABLE;
+
+	if (power_gating != PIPE_GATING_CONTROL_INIT || controller_id == 0) {
+
+		bp_result = dcb->funcs->enable_disp_power_gating(
+						dcb, controller_id + 1, cntl);
+
+		/* Revert MASTER_UPDATE_MODE to 0 because bios sets it 2
+		 * by default when command table is called
+		 */
+		dm_write_reg(ctx,
+			HW_REG_CRTC(mmCRTC0_CRTC_MASTER_UPDATE_MODE, controller_id),
+			0);
+	}
+
+	if (power_gating != PIPE_GATING_CONTROL_ENABLE)
+		dce120_init_pte(ctx, controller_id);
+
+	if (bp_result == BP_RESULT_OK)
+		return true;
+	else
+		return false;
+#endif
+	return false;
+}
+
+static void dce120_update_dchub(
+	struct dce_hwseq *hws,
+	struct dchub_init_data *dh_data)
+{
+	/* TODO: port code from dal2 */
+	switch (dh_data->fb_mode) {
+	case FRAME_BUFFER_MODE_ZFB_ONLY:
+		/*For ZFB case need to put DCHUB FB BASE and TOP upside down to indicate ZFB mode*/
+		REG_UPDATE_2(DCHUB_FB_LOCATION,
+				FB_TOP, 0,
+				FB_BASE, 0x0FFFF);
+
+		REG_UPDATE(DCHUB_AGP_BASE,
+				AGP_BASE, (uint32_t)(dh_data->zfb_phys_addr_base >> 22));
+
+		REG_UPDATE(DCHUB_AGP_BOT,
+				AGP_BOT, (uint32_t)(dh_data->zfb_mc_base_addr >> 22));
+
+		REG_UPDATE(DCHUB_AGP_TOP,
+				AGP_TOP, (uint32_t)((dh_data->zfb_mc_base_addr + dh_data->zfb_size_in_byte - 1) >> 22));
+		break;
+	case FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL:
+		/*Should not touch FB LOCATION (done by VBIOS on AsicInit table)*/
+		REG_UPDATE(DCHUB_AGP_BASE,
+				AGP_BASE, (uint32_t)(dh_data->zfb_phys_addr_base >> 22));
+
+		REG_UPDATE(DCHUB_AGP_BOT,
+				AGP_BOT, (uint32_t)(dh_data->zfb_mc_base_addr >> 22));
+
+		REG_UPDATE(DCHUB_AGP_TOP,
+				AGP_TOP, (uint32_t)((dh_data->zfb_mc_base_addr + dh_data->zfb_size_in_byte - 1) >> 22));
+		break;
+	case FRAME_BUFFER_MODE_LOCAL_ONLY:
+		/*Should not touch FB LOCATION (done by VBIOS on AsicInit table)*/
+		REG_UPDATE(DCHUB_AGP_BASE,
+				AGP_BASE, 0);
+
+		REG_UPDATE(DCHUB_AGP_BOT,
+				AGP_BOT, 0x03FFFF);
+
+		REG_UPDATE(DCHUB_AGP_TOP,
+				AGP_TOP, 0);
+		break;
+	default:
+		break;
+	}
+
+	dh_data->dchub_initialzied = true;
+	dh_data->dchub_info_valid = false;
+}
+
+/**
+ * dce121_xgmi_enabled() - Check if xGMI is enabled
+ * @hws: DCE hardware sequencer object
+ *
+ * Return true if xGMI is enabled. False otherwise.
+ */
+bool dce121_xgmi_enabled(struct dce_hwseq *hws)
+{
+	uint32_t pf_max_region;
+
+	REG_GET(MC_VM_XGMI_LFB_CNTL, PF_MAX_REGION, &pf_max_region);
+	/* PF_MAX_REGION == 0 means xgmi is disabled */
+	return !!pf_max_region;
+}
+
+void dce120_hw_sequencer_construct(struct dc *dc)
+{
+	/* All registers used by dce11.2 match those in dce11 in offset and
+	 * structure
+	 */
+	dce110_hw_sequencer_construct(dc);
+	dc->hwseq->funcs.enable_display_power_gating = dce120_enable_display_power_gating;
+	dc->hwss.update_dchub = dce120_update_dchub;
+	dc->hwss.clear_surface_dcc_and_tiling = dce100_reset_surface_dcc_and_tiling;
+}
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dce120/dce120_hwseq.h

@@ -0,0 +1,38 @@
+/*
+* Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCE120_H__
+#define __DC_HWSS_DCE120_H__
+
+#include "core_types.h"
+#include "hw_sequencer_private.h"
+
+struct dc;
+
+bool dce121_xgmi_enabled(struct dce_hwseq *hws);
+void dce120_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_HWSS_DCE112_H__ */
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dce60/dce60_hwseq.c

@@ -0,0 +1,433 @@
+/*
+ * Copyright 2020 Mauro Rossi <issor.oruam@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dm_services.h"
+#include "dc.h"
+#include "core_types.h"
+#include "dce60_hwseq.h"
+
+#include "dce/dce_hwseq.h"
+#include "dce110/dce110_hwseq.h"
+#include "dce100/dce100_hwseq.h"
+
+/* include DCE6 register header files */
+#include "dce/dce_6_0_d.h"
+#include "dce/dce_6_0_sh_mask.h"
+
+#define DC_LOGGER_INIT()
+
+/*******************************************************************************
+ * Private definitions
+ ******************************************************************************/
+
+/***************************PIPE_CONTROL***********************************/
+
+/*
+ *  Check if FBC can be enabled
+ */
+static bool dce60_should_enable_fbc(struct dc *dc,
+		struct dc_state *context,
+		uint32_t *pipe_idx)
+{
+	uint32_t i;
+	struct pipe_ctx *pipe_ctx = NULL;
+	struct resource_context *res_ctx = &context->res_ctx;
+	unsigned int underlay_idx = dc->res_pool->underlay_pipe_index;
+
+
+	ASSERT(dc->fbc_compressor);
+
+	/* FBC memory should be allocated */
+	if (!dc->ctx->fbc_gpu_addr)
+		return false;
+
+	/* Only supports single display */
+	if (context->stream_count != 1)
+		return false;
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		if (res_ctx->pipe_ctx[i].stream) {
+
+			pipe_ctx = &res_ctx->pipe_ctx[i];
+
+			if (!pipe_ctx)
+				continue;
+
+			/* fbc not applicable on underlay pipe */
+			if (pipe_ctx->pipe_idx != underlay_idx) {
+				*pipe_idx = i;
+				break;
+			}
+		}
+	}
+
+	if (i == dc->res_pool->pipe_count)
+		return false;
+
+	if (!pipe_ctx->stream->link)
+		return false;
+
+	/* Only supports eDP */
+	if (pipe_ctx->stream->link->connector_signal != SIGNAL_TYPE_EDP)
+		return false;
+
+	/* PSR should not be enabled */
+	if (pipe_ctx->stream->link->psr_settings.psr_feature_enabled)
+		return false;
+
+	/* Nothing to compress */
+	if (!pipe_ctx->plane_state)
+		return false;
+
+	/* Only for non-linear tiling */
+	if (pipe_ctx->plane_state->tiling_info.gfx8.array_mode == DC_ARRAY_LINEAR_GENERAL)
+		return false;
+
+	return true;
+}
+
+/*
+ *  Enable FBC
+ */
+static void dce60_enable_fbc(
+		struct dc *dc,
+		struct dc_state *context)
+{
+	uint32_t pipe_idx = 0;
+
+	if (dce60_should_enable_fbc(dc, context, &pipe_idx)) {
+		/* Program GRPH COMPRESSED ADDRESS and PITCH */
+		struct compr_addr_and_pitch_params params = {0, 0, 0};
+		struct compressor *compr = dc->fbc_compressor;
+		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[pipe_idx];
+
+		params.source_view_width = pipe_ctx->stream->timing.h_addressable;
+		params.source_view_height = pipe_ctx->stream->timing.v_addressable;
+		params.inst = pipe_ctx->stream_res.tg->inst;
+		compr->compr_surface_address.quad_part = dc->ctx->fbc_gpu_addr;
+
+		compr->funcs->surface_address_and_pitch(compr, &params);
+		compr->funcs->set_fbc_invalidation_triggers(compr, 1);
+
+		compr->funcs->enable_fbc(compr, &params);
+	}
+}
+
+
+/*******************************************************************************
+ * Front End programming
+ ******************************************************************************/
+
+static void dce60_set_default_colors(struct pipe_ctx *pipe_ctx)
+{
+	struct default_adjustment default_adjust = { 0 };
+
+	default_adjust.force_hw_default = false;
+	default_adjust.in_color_space = pipe_ctx->plane_state->color_space;
+	default_adjust.out_color_space = pipe_ctx->stream->output_color_space;
+	default_adjust.csc_adjust_type = GRAPHICS_CSC_ADJUST_TYPE_SW;
+	default_adjust.surface_pixel_format = pipe_ctx->plane_res.scl_data.format;
+
+	/* display color depth */
+	default_adjust.color_depth =
+		pipe_ctx->stream->timing.display_color_depth;
+
+	/* Lb color depth */
+	default_adjust.lb_color_depth = pipe_ctx->plane_res.scl_data.lb_params.depth;
+
+	pipe_ctx->plane_res.xfm->funcs->opp_set_csc_default(
+					pipe_ctx->plane_res.xfm, &default_adjust);
+}
+
+/*******************************************************************************
+ * In order to turn on surface we will program
+ * CRTC
+ *
+ * DCE6 has no bottom_pipe and no Blender HW
+ * We need to set 'blank_target' to false in order to turn on the display
+ *
+ * |-----------|------------|---------|
+ * |curr pipe  | set_blank  |         |
+ * |Surface    |blank_target|  CRCT   |
+ * |visibility |  argument  |         |
+ * |-----------|------------|---------|
+ * |    off    |   true     | blank   |
+ * |    on     |   false    | unblank |
+ * |-----------|------------|---------|
+ *
+ ******************************************************************************/
+static void dce60_program_surface_visibility(const struct dc *dc,
+		struct pipe_ctx *pipe_ctx)
+{
+	bool blank_target = false;
+
+	/* DCE6 has no bottom_pipe and no Blender HW */
+
+	if (!pipe_ctx->plane_state->visible)
+		blank_target = true;
+
+	/* DCE6 skip dce_set_blender_mode() but then proceed to 'unblank' CRTC */
+	pipe_ctx->stream_res.tg->funcs->set_blank(pipe_ctx->stream_res.tg, blank_target);
+
+}
+
+
+static void dce60_get_surface_visual_confirm_color(const struct pipe_ctx *pipe_ctx,
+		struct tg_color *color)
+{
+	uint32_t color_value = MAX_TG_COLOR_VALUE * (4 - pipe_ctx->stream_res.tg->inst) / 4;
+
+	switch (pipe_ctx->plane_res.scl_data.format) {
+	case PIXEL_FORMAT_ARGB8888:
+		/* set boarder color to red */
+		color->color_r_cr = color_value;
+		break;
+
+	case PIXEL_FORMAT_ARGB2101010:
+		/* set boarder color to blue */
+		color->color_b_cb = color_value;
+		break;
+	case PIXEL_FORMAT_420BPP8:
+		/* set boarder color to green */
+		color->color_g_y = color_value;
+		break;
+	case PIXEL_FORMAT_420BPP10:
+		/* set boarder color to yellow */
+		color->color_g_y = color_value;
+		color->color_r_cr = color_value;
+		break;
+	case PIXEL_FORMAT_FP16:
+		/* set boarder color to white */
+		color->color_r_cr = color_value;
+		color->color_b_cb = color_value;
+		color->color_g_y = color_value;
+		break;
+	default:
+		break;
+	}
+}
+
+static void dce60_program_scaler(const struct dc *dc,
+		const struct pipe_ctx *pipe_ctx)
+{
+	struct tg_color color = {0};
+
+	/* DCE6 skips DCN TOFPGA check for transform_set_pixel_storage_depth == NULL */
+
+	if (dc->debug.visual_confirm == VISUAL_CONFIRM_SURFACE)
+		dce60_get_surface_visual_confirm_color(pipe_ctx, &color);
+	else
+		color_space_to_black_color(dc,
+				pipe_ctx->stream->output_color_space,
+				&color);
+
+	pipe_ctx->plane_res.xfm->funcs->transform_set_pixel_storage_depth(
+		pipe_ctx->plane_res.xfm,
+		pipe_ctx->plane_res.scl_data.lb_params.depth,
+		&pipe_ctx->stream->bit_depth_params);
+
+	if (pipe_ctx->stream_res.tg->funcs->set_overscan_blank_color) {
+		/*
+		 * The way 420 is packed, 2 channels carry Y component, 1 channel
+		 * alternate between Cb and Cr, so both channels need the pixel
+		 * value for Y
+		 */
+		if (pipe_ctx->stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420)
+			color.color_r_cr = color.color_g_y;
+
+		pipe_ctx->stream_res.tg->funcs->set_overscan_blank_color(
+				pipe_ctx->stream_res.tg,
+				&color);
+	}
+
+	pipe_ctx->plane_res.xfm->funcs->transform_set_scaler(pipe_ctx->plane_res.xfm,
+		&pipe_ctx->plane_res.scl_data);
+}
+
+static void
+dce60_program_front_end_for_pipe(
+		struct dc *dc, struct pipe_ctx *pipe_ctx)
+{
+	struct mem_input *mi = pipe_ctx->plane_res.mi;
+	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
+	struct xfm_grph_csc_adjustment adjust;
+	struct out_csc_color_matrix tbl_entry;
+	unsigned int i;
+	struct dce_hwseq *hws = dc->hwseq;
+
+	DC_LOGGER_INIT();
+	memset(&tbl_entry, 0, sizeof(tbl_entry));
+
+	memset(&adjust, 0, sizeof(adjust));
+	adjust.gamut_adjust_type = GRAPHICS_GAMUT_ADJUST_TYPE_BYPASS;
+
+	dce_enable_fe_clock(dc->hwseq, mi->inst, true);
+
+	dce60_set_default_colors(pipe_ctx);
+	if (pipe_ctx->stream->csc_color_matrix.enable_adjustment
+			== true) {
+		tbl_entry.color_space =
+			pipe_ctx->stream->output_color_space;
+
+		for (i = 0; i < 12; i++)
+			tbl_entry.regval[i] =
+			pipe_ctx->stream->csc_color_matrix.matrix[i];
+
+		pipe_ctx->plane_res.xfm->funcs->opp_set_csc_adjustment
+				(pipe_ctx->plane_res.xfm, &tbl_entry);
+	}
+
+	if (pipe_ctx->stream->gamut_remap_matrix.enable_remap == true) {
+		adjust.gamut_adjust_type = GRAPHICS_GAMUT_ADJUST_TYPE_SW;
+
+		for (i = 0; i < CSC_TEMPERATURE_MATRIX_SIZE; i++)
+			adjust.temperature_matrix[i] =
+				pipe_ctx->stream->gamut_remap_matrix.matrix[i];
+	}
+
+	pipe_ctx->plane_res.xfm->funcs->transform_set_gamut_remap(pipe_ctx->plane_res.xfm, &adjust);
+
+	pipe_ctx->plane_res.scl_data.lb_params.alpha_en = pipe_ctx->bottom_pipe != 0;
+
+	dce60_program_scaler(dc, pipe_ctx);
+
+	mi->funcs->mem_input_program_surface_config(
+			mi,
+			plane_state->format,
+			&plane_state->tiling_info,
+			&plane_state->plane_size,
+			plane_state->rotation,
+			NULL,
+			false);
+	if (mi->funcs->set_blank)
+		mi->funcs->set_blank(mi, pipe_ctx->plane_state->visible);
+
+	if (dc->config.gpu_vm_support)
+		mi->funcs->mem_input_program_pte_vm(
+				pipe_ctx->plane_res.mi,
+				plane_state->format,
+				&plane_state->tiling_info,
+				plane_state->rotation);
+
+	/* Moved programming gamma from dc to hwss */
+	if (pipe_ctx->plane_state->update_flags.bits.full_update ||
+			pipe_ctx->plane_state->update_flags.bits.in_transfer_func_change ||
+			pipe_ctx->plane_state->update_flags.bits.gamma_change)
+		hws->funcs.set_input_transfer_func(dc, pipe_ctx, pipe_ctx->plane_state);
+
+	if (pipe_ctx->plane_state->update_flags.bits.full_update)
+		hws->funcs.set_output_transfer_func(dc, pipe_ctx, pipe_ctx->stream);
+
+	DC_LOG_SURFACE(
+			"Pipe:%d %p: addr hi:0x%x, "
+			"addr low:0x%x, "
+			"src: %d, %d, %d,"
+			" %d; dst: %d, %d, %d, %d;"
+			"clip: %d, %d, %d, %d\n",
+			pipe_ctx->pipe_idx,
+			(void *) pipe_ctx->plane_state,
+			pipe_ctx->plane_state->address.grph.addr.high_part,
+			pipe_ctx->plane_state->address.grph.addr.low_part,
+			pipe_ctx->plane_state->src_rect.x,
+			pipe_ctx->plane_state->src_rect.y,
+			pipe_ctx->plane_state->src_rect.width,
+			pipe_ctx->plane_state->src_rect.height,
+			pipe_ctx->plane_state->dst_rect.x,
+			pipe_ctx->plane_state->dst_rect.y,
+			pipe_ctx->plane_state->dst_rect.width,
+			pipe_ctx->plane_state->dst_rect.height,
+			pipe_ctx->plane_state->clip_rect.x,
+			pipe_ctx->plane_state->clip_rect.y,
+			pipe_ctx->plane_state->clip_rect.width,
+			pipe_ctx->plane_state->clip_rect.height);
+
+	DC_LOG_SURFACE(
+			"Pipe %d: width, height, x, y\n"
+			"viewport:%d, %d, %d, %d\n"
+			"recout:  %d, %d, %d, %d\n",
+			pipe_ctx->pipe_idx,
+			pipe_ctx->plane_res.scl_data.viewport.width,
+			pipe_ctx->plane_res.scl_data.viewport.height,
+			pipe_ctx->plane_res.scl_data.viewport.x,
+			pipe_ctx->plane_res.scl_data.viewport.y,
+			pipe_ctx->plane_res.scl_data.recout.width,
+			pipe_ctx->plane_res.scl_data.recout.height,
+			pipe_ctx->plane_res.scl_data.recout.x,
+			pipe_ctx->plane_res.scl_data.recout.y);
+}
+
+static void dce60_apply_ctx_for_surface(
+		struct dc *dc,
+		const struct dc_stream_state *stream,
+		int num_planes,
+		struct dc_state *context)
+{
+	int i;
+
+	if (num_planes == 0)
+		return;
+
+	if (dc->fbc_compressor)
+		dc->fbc_compressor->funcs->disable_fbc(dc->fbc_compressor);
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+
+		if (pipe_ctx->stream != stream)
+			continue;
+
+		/* Need to allocate mem before program front end for Fiji */
+		pipe_ctx->plane_res.mi->funcs->allocate_mem_input(
+				pipe_ctx->plane_res.mi,
+				pipe_ctx->stream->timing.h_total,
+				pipe_ctx->stream->timing.v_total,
+				pipe_ctx->stream->timing.pix_clk_100hz / 10,
+				context->stream_count);
+
+		dce60_program_front_end_for_pipe(dc, pipe_ctx);
+
+		dc->hwss.update_plane_addr(dc, pipe_ctx);
+
+		dce60_program_surface_visibility(dc, pipe_ctx);
+
+	}
+
+	if (dc->fbc_compressor)
+		dce60_enable_fbc(dc, context);
+}
+
+void dce60_hw_sequencer_construct(struct dc *dc)
+{
+	dce110_hw_sequencer_construct(dc);
+
+	dc->hwseq->funcs.enable_display_power_gating = dce100_enable_display_power_gating;
+	dc->hwss.apply_ctx_for_surface = dce60_apply_ctx_for_surface;
+	dc->hwss.cursor_lock = dce60_pipe_control_lock;
+	dc->hwss.pipe_control_lock = dce60_pipe_control_lock;
+	dc->hwss.prepare_bandwidth = dce100_prepare_bandwidth;
+	dc->hwss.optimize_bandwidth = dce100_optimize_bandwidth;
+	dc->hwss.clear_surface_dcc_and_tiling = dce100_reset_surface_dcc_and_tiling;
+}
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dce60/dce60_hwseq.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2020 Mauro Rossi <issor.oruam@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCE60_H__
+#define __DC_HWSS_DCE60_H__
+
+#include "core_types.h"
+#include "hw_sequencer_private.h"
+
+struct dc;
+
+void dce60_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_HWSS_DCE60_H__ */
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dce80/dce80_hwseq.c

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dm_services.h"
+#include "dc.h"
+#include "core_types.h"
+#include "dce80_hwseq.h"
+
+#include "dce/dce_hwseq.h"
+#include "dce110/dce110_hwseq.h"
+#include "dce100/dce100_hwseq.h"
+
+/* include DCE8 register header files */
+#include "dce/dce_8_0_d.h"
+#include "dce/dce_8_0_sh_mask.h"
+
+/*******************************************************************************
+ * Private definitions
+ ******************************************************************************/
+
+/***************************PIPE_CONTROL***********************************/
+
+void dce80_hw_sequencer_construct(struct dc *dc)
+{
+	dce110_hw_sequencer_construct(dc);
+
+	dc->hwseq->funcs.enable_display_power_gating = dce100_enable_display_power_gating;
+	dc->hwss.pipe_control_lock = dce_pipe_control_lock;
+	dc->hwss.prepare_bandwidth = dce100_prepare_bandwidth;
+	dc->hwss.optimize_bandwidth = dce100_optimize_bandwidth;
+	dc->hwss.clear_surface_dcc_and_tiling = dce100_reset_surface_dcc_and_tiling;
+}
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dce80/dce80_hwseq.h

@@ -0,0 +1,37 @@
+/*
+* Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCE80_H__
+#define __DC_HWSS_DCE80_H__
+
+#include "core_types.h"
+#include "hw_sequencer_private.h"
+
+struct dc;
+
+void dce80_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_HWSS_DCE80_H__ */
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.h

@@ -0,0 +1,223 @@
+/*
+* Copyright 2016-2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCN10_H__
+#define __DC_HWSS_DCN10_H__
+
+#include "core_types.h"
+#include "hw_sequencer_private.h"
+
+struct dc;
+
+void dcn10_hw_sequencer_construct(struct dc *dc);
+
+int dcn10_get_vupdate_offset_from_vsync(struct pipe_ctx *pipe_ctx);
+void dcn10_calc_vupdate_position(
+		struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		uint32_t *start_line,
+		uint32_t *end_line);
+void dcn10_setup_vupdate_interrupt(struct dc *dc, struct pipe_ctx *pipe_ctx);
+enum dc_status dcn10_enable_stream_timing(
+		struct pipe_ctx *pipe_ctx,
+		struct dc_state *context,
+		struct dc *dc);
+void dcn10_optimize_bandwidth(
+		struct dc *dc,
+		struct dc_state *context);
+void dcn10_prepare_bandwidth(
+		struct dc *dc,
+		struct dc_state *context);
+void dcn10_wait_for_pipe_update_if_needed(
+		struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		bool is_surface_update_only);
+void dcn10_set_wait_for_update_needed_for_pipe(
+	struct dc *dc,
+	struct pipe_ctx *pipe_ctx);
+void dcn10_pipe_control_lock(
+	struct dc *dc,
+	struct pipe_ctx *pipe,
+	bool lock);
+void dcn10_cursor_lock(struct dc *dc, struct pipe_ctx *pipe, bool lock);
+void dcn10_blank_pixel_data(
+		struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		bool blank);
+void dcn10_unblank_stream(struct pipe_ctx *pipe_ctx,
+		struct dc_link_settings *link_settings);
+void dcn10_program_output_csc(struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		enum dc_color_space colorspace,
+		uint16_t *matrix,
+		int opp_id);
+bool dcn10_set_output_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx,
+				const struct dc_stream_state *stream);
+bool dcn10_set_input_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx,
+			const struct dc_plane_state *plane_state);
+void dcn10_update_plane_addr(const struct dc *dc, struct pipe_ctx *pipe_ctx);
+void dcn10_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx);
+void dcn10_reset_hw_ctx_wrap(
+		struct dc *dc,
+		struct dc_state *context);
+void dcn10_disable_plane(struct dc *dc, struct dc_state *state, struct pipe_ctx *pipe_ctx);
+void dcn10_lock_all_pipes(
+		struct dc *dc,
+		struct dc_state *context,
+		bool lock);
+void dcn10_post_unlock_program_front_end(
+		struct dc *dc,
+		struct dc_state *context);
+void dcn10_hubp_pg_control(
+		struct dce_hwseq *hws,
+		unsigned int hubp_inst,
+		bool power_on);
+void dcn10_dpp_pg_control(
+		struct dce_hwseq *hws,
+		unsigned int dpp_inst,
+		bool power_on);
+void dcn10_enable_power_gating_plane(
+	struct dce_hwseq *hws,
+	bool enable);
+void dcn10_plane_atomic_disable(struct dc *dc, struct pipe_ctx *pipe_ctx);
+void dcn10_disable_vga(
+	struct dce_hwseq *hws);
+void dcn10_program_pipe(
+		struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		struct dc_state *context);
+void dcn10_program_gamut_remap(struct pipe_ctx *pipe_ctx);
+void dcn10_init_hw(struct dc *dc);
+void dcn10_init_pipes(struct dc *dc, struct dc_state *context);
+void dcn10_power_down_on_boot(struct dc *dc);
+enum dc_status dce110_apply_ctx_to_hw(
+		struct dc *dc,
+		struct dc_state *context);
+void dcn10_plane_atomic_disconnect(struct dc *dc,
+		struct dc_state *state,
+		struct pipe_ctx *pipe_ctx);
+void dcn10_update_dchub(struct dce_hwseq *hws, struct dchub_init_data *dh_data);
+void dcn10_update_pending_status(struct pipe_ctx *pipe_ctx);
+void dce110_power_down(struct dc *dc);
+void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context);
+void dcn10_enable_timing_synchronization(
+		struct dc *dc,
+		struct dc_state *state,
+		int group_index,
+		int group_size,
+		struct pipe_ctx *grouped_pipes[]);
+void dcn10_enable_vblanks_synchronization(
+		struct dc *dc,
+		int group_index,
+		int group_size,
+		struct pipe_ctx *grouped_pipes[]);
+void dcn10_enable_per_frame_crtc_position_reset(
+		struct dc *dc,
+		int group_size,
+		struct pipe_ctx *grouped_pipes[]);
+void dce110_update_info_frame(struct pipe_ctx *pipe_ctx);
+void dcn10_send_immediate_sdp_message(struct pipe_ctx *pipe_ctx,
+		const uint8_t *custom_sdp_message,
+		unsigned int sdp_message_size);
+void dce110_blank_stream(struct pipe_ctx *pipe_ctx);
+void dce110_enable_audio_stream(struct pipe_ctx *pipe_ctx);
+void dce110_disable_audio_stream(struct pipe_ctx *pipe_ctx);
+bool dcn10_dummy_display_power_gating(
+		struct dc *dc,
+		uint8_t controller_id,
+		struct dc_bios *dcb,
+		enum pipe_gating_control power_gating);
+void dcn10_set_drr(struct pipe_ctx **pipe_ctx,
+		int num_pipes, struct dc_crtc_timing_adjust adjust);
+void dcn10_get_position(struct pipe_ctx **pipe_ctx,
+		int num_pipes,
+		struct crtc_position *position);
+void dcn10_set_static_screen_control(struct pipe_ctx **pipe_ctx,
+		int num_pipes, const struct dc_static_screen_params *params);
+void dcn10_setup_stereo(struct pipe_ctx *pipe_ctx, struct dc *dc);
+void dce110_set_avmute(struct pipe_ctx *pipe_ctx, bool enable);
+void dcn10_log_hw_state(struct dc *dc,
+		struct dc_log_buffer_ctx *log_ctx);
+void dcn10_get_hw_state(struct dc *dc,
+		char *pBuf,
+		unsigned int bufSize,
+		unsigned int mask);
+void dcn10_clear_status_bits(struct dc *dc, unsigned int mask);
+void dcn10_wait_for_mpcc_disconnect(
+		struct dc *dc,
+		struct resource_pool *res_pool,
+		struct pipe_ctx *pipe_ctx);
+void dce110_edp_backlight_control(
+		struct dc_link *link,
+		bool enable);
+void dce110_edp_wait_for_T12(
+		struct dc_link *link);
+void dce110_edp_power_control(
+		struct dc_link *link,
+		bool power_up);
+void dce110_edp_wait_for_hpd_ready(
+		struct dc_link *link,
+		bool power_up);
+void dcn10_set_cursor_position(struct pipe_ctx *pipe_ctx);
+void dcn10_set_cursor_attribute(struct pipe_ctx *pipe_ctx);
+void dcn10_set_cursor_sdr_white_level(struct pipe_ctx *pipe_ctx);
+void dcn10_setup_periodic_interrupt(
+		struct dc *dc,
+		struct pipe_ctx *pipe_ctx);
+enum dc_status dcn10_set_clock(struct dc *dc,
+		enum dc_clock_type clock_type,
+		uint32_t clk_khz,
+		uint32_t stepping);
+void dcn10_get_clock(struct dc *dc,
+		enum dc_clock_type clock_type,
+		struct dc_clock_config *clock_cfg);
+bool dcn10_did_underflow_occur(struct dc *dc, struct pipe_ctx *pipe_ctx);
+void dcn10_bios_golden_init(struct dc *dc);
+void dcn10_plane_atomic_power_down(struct dc *dc,
+		struct dpp *dpp,
+		struct hubp *hubp);
+bool dcn10_disconnect_pipes(
+		struct dc *dc,
+		struct dc_state *context);
+
+void dcn10_wait_for_pending_cleared(struct dc *dc,
+		struct dc_state *context);
+void dcn10_set_hdr_multiplier(struct pipe_ctx *pipe_ctx);
+void dcn10_verify_allow_pstate_change_high(struct dc *dc);
+
+void dcn10_get_dcc_en_bits(struct dc *dc, int *dcc_en_bits);
+
+void dcn10_update_visual_confirm_color(
+		struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		int mpcc_id);
+
+void dcn10_reset_surface_dcc_and_tiling(struct pipe_ctx *pipe_ctx,
+					struct dc_plane_state *plane_state,
+					bool clear_tiling);
+void dcn10_config_stereo_parameters(
+		struct dc_stream_state *stream, struct crtc_stereo_flags *flags);
+
+#endif /* __DC_HWSS_DCN10_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_init.c

@@ -0,0 +1,129 @@
+/*
+ * Copyright 2016-2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "hw_sequencer_private.h"
+#include "dce110/dce110_hwseq.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "dcn20/dcn20_hwseq.h"
+
+static const struct hw_sequencer_funcs dcn10_funcs = {
+	.program_gamut_remap = dcn10_program_gamut_remap,
+	.init_hw = dcn10_init_hw,
+	.power_down_on_boot = dcn10_power_down_on_boot,
+	.apply_ctx_to_hw = dce110_apply_ctx_to_hw,
+	.apply_ctx_for_surface = NULL,
+	.program_front_end_for_ctx = dcn20_program_front_end_for_ctx,
+	.post_unlock_program_front_end = dcn10_post_unlock_program_front_end,
+	.wait_for_pending_cleared = dcn10_wait_for_pending_cleared,
+	.update_plane_addr = dcn10_update_plane_addr,
+	.update_dchub = dcn10_update_dchub,
+	.update_pending_status = dcn10_update_pending_status,
+	.clear_surface_dcc_and_tiling = dcn10_reset_surface_dcc_and_tiling,
+	.program_output_csc = dcn10_program_output_csc,
+	.enable_accelerated_mode = dce110_enable_accelerated_mode,
+	.enable_timing_synchronization = dcn10_enable_timing_synchronization,
+	.enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset,
+	.update_info_frame = dce110_update_info_frame,
+	.send_immediate_sdp_message = dcn10_send_immediate_sdp_message,
+	.enable_stream = dce110_enable_stream,
+	.disable_stream = dce110_disable_stream,
+	.unblank_stream = dcn10_unblank_stream,
+	.blank_stream = dce110_blank_stream,
+	.enable_audio_stream = dce110_enable_audio_stream,
+	.disable_audio_stream = dce110_disable_audio_stream,
+	.disable_plane = dcn10_disable_plane,
+	.pipe_control_lock = dcn10_pipe_control_lock,
+	.cursor_lock = dcn10_cursor_lock,
+	.interdependent_update_lock = dcn10_lock_all_pipes,
+	.prepare_bandwidth = dcn10_prepare_bandwidth,
+	.optimize_bandwidth = dcn10_optimize_bandwidth,
+	.set_drr = dcn10_set_drr,
+	.get_position = dcn10_get_position,
+	.set_static_screen_control = dcn10_set_static_screen_control,
+	.setup_stereo = dcn10_setup_stereo,
+	.set_avmute = dce110_set_avmute,
+	.log_hw_state = dcn10_log_hw_state,
+	.get_hw_state = dcn10_get_hw_state,
+	.clear_status_bits = dcn10_clear_status_bits,
+	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.edp_power_control = dce110_edp_power_control,
+	.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
+	.set_cursor_position = dcn10_set_cursor_position,
+	.set_cursor_attribute = dcn10_set_cursor_attribute,
+	.set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
+	.setup_periodic_interrupt = dcn10_setup_periodic_interrupt,
+	.set_clock = dcn10_set_clock,
+	.get_clock = dcn10_get_clock,
+	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+	.calc_vupdate_position = dcn10_calc_vupdate_position,
+	.set_backlight_level = dce110_set_backlight_level,
+	.set_abm_immediate_disable = dce110_set_abm_immediate_disable,
+	.set_pipe = dce110_set_pipe,
+	.enable_lvds_link_output = dce110_enable_lvds_link_output,
+	.enable_tmds_link_output = dce110_enable_tmds_link_output,
+	.enable_dp_link_output = dce110_enable_dp_link_output,
+	.disable_link_output = dce110_disable_link_output,
+	.get_dcc_en_bits = dcn10_get_dcc_en_bits,
+	.update_visual_confirm_color = dcn10_update_visual_confirm_color,
+};
+
+static const struct hwseq_private_funcs dcn10_private_funcs = {
+	.init_pipes = dcn10_init_pipes,
+	.plane_atomic_disconnect = dcn10_plane_atomic_disconnect,
+	.program_pipe = dcn10_program_pipe,
+	.update_mpcc = dcn10_update_mpcc,
+	.set_input_transfer_func = dcn10_set_input_transfer_func,
+	.set_output_transfer_func = dcn10_set_output_transfer_func,
+	.power_down = dce110_power_down,
+	.enable_display_power_gating = dcn10_dummy_display_power_gating,
+	.blank_pixel_data = dcn10_blank_pixel_data,
+	.reset_hw_ctx_wrap = dcn10_reset_hw_ctx_wrap,
+	.enable_stream_timing = dcn10_enable_stream_timing,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.disable_stream_gating = NULL,
+	.enable_stream_gating = NULL,
+	.setup_vupdate_interrupt = dcn10_setup_vupdate_interrupt,
+	.did_underflow_occur = dcn10_did_underflow_occur,
+	.init_blank = NULL,
+	.disable_vga = dcn10_disable_vga,
+	.bios_golden_init = dcn10_bios_golden_init,
+	.plane_atomic_disable = dcn10_plane_atomic_disable,
+	.plane_atomic_power_down = dcn10_plane_atomic_power_down,
+	.enable_power_gating_plane = dcn10_enable_power_gating_plane,
+	.dpp_pg_control = dcn10_dpp_pg_control,
+	.hubp_pg_control = dcn10_hubp_pg_control,
+	.dsc_pg_control = NULL,
+	.set_hdr_multiplier = dcn10_set_hdr_multiplier,
+	.verify_allow_pstate_change_high = dcn10_verify_allow_pstate_change_high,
+	.wait_for_pipe_update_if_needed = dcn10_wait_for_pipe_update_if_needed,
+	.set_wait_for_update_needed_for_pipe = dcn10_set_wait_for_update_needed_for_pipe,
+};
+
+void dcn10_hw_sequencer_construct(struct dc *dc)
+{
+	dc->hwss = dcn10_funcs;
+	dc->hwseq->funcs = dcn10_private_funcs;
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_init.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_DCN10_INIT_H__
+#define __DC_DCN10_INIT_H__
+
+struct dc;
+
+void dcn10_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_DCN10_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.h

@@ -0,0 +1,174 @@
+/*
+* Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCN20_H__
+#define __DC_HWSS_DCN20_H__
+
+#include "hw_sequencer_private.h"
+
+void dcn20_log_color_state(struct dc *dc,
+			   struct dc_log_buffer_ctx *log_ctx);
+bool dcn20_set_blend_lut(
+	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state);
+bool dcn20_set_shaper_3dlut(
+	struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state);
+void dcn20_program_front_end_for_ctx(
+		struct dc *dc,
+		struct dc_state *context);
+void dcn20_post_unlock_program_front_end(
+		struct dc *dc,
+		struct dc_state *context);
+void dcn20_update_plane_addr(const struct dc *dc, struct pipe_ctx *pipe_ctx);
+void dcn20_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx);
+bool dcn20_set_input_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx,
+			const struct dc_plane_state *plane_state);
+bool dcn20_set_output_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx,
+			const struct dc_stream_state *stream);
+void dcn20_program_output_csc(struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		enum dc_color_space colorspace,
+		uint16_t *matrix,
+		int opp_id);
+void dcn20_enable_stream(struct pipe_ctx *pipe_ctx);
+void dcn20_unblank_stream(struct pipe_ctx *pipe_ctx,
+		struct dc_link_settings *link_settings);
+void dcn20_disable_plane(struct dc *dc, struct dc_state *state, struct pipe_ctx *pipe_ctx);
+void dcn20_disable_pixel_data(
+		struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		bool blank);
+void dcn20_blank_pixel_data(
+		struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		bool blank);
+void dcn20_pipe_control_lock(
+	struct dc *dc,
+	struct pipe_ctx *pipe,
+	bool lock);
+void dcn20_prepare_bandwidth(
+		struct dc *dc,
+		struct dc_state *context);
+void dcn20_optimize_bandwidth(
+		struct dc *dc,
+		struct dc_state *context);
+bool dcn20_update_bandwidth(
+		struct dc *dc,
+		struct dc_state *context);
+void dcn20_reset_hw_ctx_wrap(
+		struct dc *dc,
+		struct dc_state *context);
+enum dc_status dcn20_enable_stream_timing(
+		struct pipe_ctx *pipe_ctx,
+		struct dc_state *context,
+		struct dc *dc);
+void dcn20_disable_stream_gating(struct dc *dc, struct pipe_ctx *pipe_ctx);
+void dcn20_enable_stream_gating(struct dc *dc, struct pipe_ctx *pipe_ctx);
+void dcn20_setup_vupdate_interrupt(struct dc *dc, struct pipe_ctx *pipe_ctx);
+void dcn20_reset_back_end_for_pipe(
+		struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		struct dc_state *context);
+void dcn20_init_blank(
+		struct dc *dc,
+		struct timing_generator *tg);
+void dcn20_disable_vga(
+	struct dce_hwseq *hws);
+void dcn20_plane_atomic_disable(struct dc *dc, struct pipe_ctx *pipe_ctx);
+void dcn20_enable_power_gating_plane(
+	struct dce_hwseq *hws,
+	bool enable);
+void dcn20_dpp_pg_control(
+		struct dce_hwseq *hws,
+		unsigned int dpp_inst,
+		bool power_on);
+void dcn20_hubp_pg_control(
+		struct dce_hwseq *hws,
+		unsigned int hubp_inst,
+		bool power_on);
+void dcn20_program_triple_buffer(
+	const struct dc *dc,
+	struct pipe_ctx *pipe_ctx,
+	bool enable_triple_buffer);
+void dcn20_enable_writeback(
+		struct dc *dc,
+		struct dc_writeback_info *wb_info,
+		struct dc_state *context);
+void dcn20_disable_writeback(
+		struct dc *dc,
+		unsigned int dwb_pipe_inst);
+void dcn20_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx);
+bool dcn20_dmdata_status_done(struct pipe_ctx *pipe_ctx);
+void dcn20_program_dmdata_engine(struct pipe_ctx *pipe_ctx);
+void dcn20_set_dmdata_attributes(struct pipe_ctx *pipe_ctx);
+void dcn20_init_vm_ctx(
+		struct dce_hwseq *hws,
+		struct dc *dc,
+		struct dc_virtual_addr_space_config *va_config,
+		int vmid);
+void dcn20_set_flip_control_gsl(
+		struct pipe_ctx *pipe_ctx,
+		bool flip_immediate);
+void dcn20_dsc_pg_control(
+		struct dce_hwseq *hws,
+		unsigned int dsc_inst,
+		bool power_on);
+void dcn20_fpga_init_hw(struct dc *dc);
+bool dcn20_wait_for_blank_complete(
+		struct output_pixel_processor *opp);
+void dcn20_dccg_init(struct dce_hwseq *hws);
+int dcn20_init_sys_ctx(struct dce_hwseq *hws,
+		struct dc *dc,
+		struct dc_phy_addr_space_config *pa_config);
+
+void dcn20_set_disp_pattern_generator(const struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		enum controller_dp_test_pattern test_pattern,
+		enum controller_dp_color_space color_space,
+		enum dc_color_depth color_depth,
+		const struct tg_color *solid_color,
+		int width, int height, int offset);
+
+void dcn20_setup_gsl_group_as_lock(
+		const struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		bool enable);
+void dcn20_detect_pipe_changes(
+		struct dc_state *old_state,
+		struct dc_state *new_state,
+		struct pipe_ctx *old_pipe,
+		struct pipe_ctx *new_pipe);
+void dcn20_enable_plane(
+		struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		struct dc_state *context);
+void dcn20_update_dchubp_dpp(
+		struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		struct dc_state *context);
+void dcn20_post_unlock_reset_opp(
+		struct dc *dc,
+		struct pipe_ctx *opp_head);
+#endif /* __DC_HWSS_DCN20_H__ */
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_init.c

@@ -0,0 +1,148 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dce110/dce110_hwseq.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "dcn20/dcn20_hwseq.h"
+
+#include "dcn20_init.h"
+
+static const struct hw_sequencer_funcs dcn20_funcs = {
+	.program_gamut_remap = dcn10_program_gamut_remap,
+	.init_hw = dcn10_init_hw,
+	.power_down_on_boot =  dcn10_power_down_on_boot,
+	.apply_ctx_to_hw = dce110_apply_ctx_to_hw,
+	.apply_ctx_for_surface = NULL,
+	.program_front_end_for_ctx = dcn20_program_front_end_for_ctx,
+	.clear_surface_dcc_and_tiling = dcn10_reset_surface_dcc_and_tiling,
+	.wait_for_pending_cleared = dcn10_wait_for_pending_cleared,
+	.post_unlock_program_front_end = dcn20_post_unlock_program_front_end,
+	.update_plane_addr = dcn20_update_plane_addr,
+	.update_dchub = dcn10_update_dchub,
+	.update_pending_status = dcn10_update_pending_status,
+	.program_output_csc = dcn20_program_output_csc,
+	.enable_accelerated_mode = dce110_enable_accelerated_mode,
+	.enable_timing_synchronization = dcn10_enable_timing_synchronization,
+	.enable_vblanks_synchronization = dcn10_enable_vblanks_synchronization,
+	.enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset,
+	.update_info_frame = dce110_update_info_frame,
+	.send_immediate_sdp_message = dcn10_send_immediate_sdp_message,
+	.enable_stream = dcn20_enable_stream,
+	.disable_stream = dce110_disable_stream,
+	.unblank_stream = dcn20_unblank_stream,
+	.blank_stream = dce110_blank_stream,
+	.enable_audio_stream = dce110_enable_audio_stream,
+	.disable_audio_stream = dce110_disable_audio_stream,
+	.disable_plane = dcn20_disable_plane,
+	.pipe_control_lock = dcn20_pipe_control_lock,
+	.interdependent_update_lock = dcn10_lock_all_pipes,
+	.cursor_lock = dcn10_cursor_lock,
+	.prepare_bandwidth = dcn20_prepare_bandwidth,
+	.optimize_bandwidth = dcn20_optimize_bandwidth,
+	.update_bandwidth = dcn20_update_bandwidth,
+	.set_drr = dcn10_set_drr,
+	.get_position = dcn10_get_position,
+	.set_static_screen_control = dcn10_set_static_screen_control,
+	.setup_stereo = dcn10_setup_stereo,
+	.set_avmute = dce110_set_avmute,
+	.log_hw_state = dcn10_log_hw_state,
+	.log_color_state = dcn20_log_color_state,
+	.get_hw_state = dcn10_get_hw_state,
+	.clear_status_bits = dcn10_clear_status_bits,
+	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.edp_power_control = dce110_edp_power_control,
+	.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
+	.set_cursor_position = dcn10_set_cursor_position,
+	.set_cursor_attribute = dcn10_set_cursor_attribute,
+	.set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
+	.setup_periodic_interrupt = dcn10_setup_periodic_interrupt,
+	.set_clock = dcn10_set_clock,
+	.get_clock = dcn10_get_clock,
+	.program_triplebuffer = dcn20_program_triple_buffer,
+	.enable_writeback = dcn20_enable_writeback,
+	.disable_writeback = dcn20_disable_writeback,
+	.dmdata_status_done = dcn20_dmdata_status_done,
+	.program_dmdata_engine = dcn20_program_dmdata_engine,
+	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
+	.init_sys_ctx = dcn20_init_sys_ctx,
+	.init_vm_ctx = dcn20_init_vm_ctx,
+	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
+	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+	.calc_vupdate_position = dcn10_calc_vupdate_position,
+	.set_backlight_level = dce110_set_backlight_level,
+	.set_abm_immediate_disable = dce110_set_abm_immediate_disable,
+	.set_pipe = dce110_set_pipe,
+	.enable_lvds_link_output = dce110_enable_lvds_link_output,
+	.enable_tmds_link_output = dce110_enable_tmds_link_output,
+	.enable_dp_link_output = dce110_enable_dp_link_output,
+	.disable_link_output = dce110_disable_link_output,
+	.set_disp_pattern_generator = dcn20_set_disp_pattern_generator,
+	.get_dcc_en_bits = dcn10_get_dcc_en_bits,
+	.update_visual_confirm_color = dcn10_update_visual_confirm_color,
+};
+
+static const struct hwseq_private_funcs dcn20_private_funcs = {
+	.init_pipes = dcn10_init_pipes,
+	.plane_atomic_disconnect = dcn10_plane_atomic_disconnect,
+	.update_mpcc = dcn20_update_mpcc,
+	.set_input_transfer_func = dcn20_set_input_transfer_func,
+	.set_output_transfer_func = dcn20_set_output_transfer_func,
+	.power_down = dce110_power_down,
+	.enable_display_power_gating = dcn10_dummy_display_power_gating,
+	.blank_pixel_data = dcn20_blank_pixel_data,
+	.reset_hw_ctx_wrap = dcn20_reset_hw_ctx_wrap,
+	.enable_stream_timing = dcn20_enable_stream_timing,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.disable_stream_gating = dcn20_disable_stream_gating,
+	.enable_stream_gating = dcn20_enable_stream_gating,
+	.setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt,
+	.did_underflow_occur = dcn10_did_underflow_occur,
+	.init_blank = dcn20_init_blank,
+	.disable_vga = dcn20_disable_vga,
+	.bios_golden_init = dcn10_bios_golden_init,
+	.plane_atomic_disable = dcn20_plane_atomic_disable,
+	.plane_atomic_power_down = dcn10_plane_atomic_power_down,
+	.enable_power_gating_plane = dcn20_enable_power_gating_plane,
+	.dpp_pg_control = dcn20_dpp_pg_control,
+	.hubp_pg_control = dcn20_hubp_pg_control,
+	.update_odm = dcn20_update_odm,
+	.dsc_pg_control = dcn20_dsc_pg_control,
+	.set_hdr_multiplier = dcn10_set_hdr_multiplier,
+	.verify_allow_pstate_change_high = dcn10_verify_allow_pstate_change_high,
+	.wait_for_blank_complete = dcn20_wait_for_blank_complete,
+	.dccg_init = dcn20_dccg_init,
+	.set_blend_lut = dcn20_set_blend_lut,
+	.set_shaper_3dlut = dcn20_set_shaper_3dlut,
+	.wait_for_pipe_update_if_needed = dcn10_wait_for_pipe_update_if_needed,
+	.set_wait_for_update_needed_for_pipe = dcn10_set_wait_for_update_needed_for_pipe,
+};
+
+void dcn20_hw_sequencer_construct(struct dc *dc)
+{
+	dc->hwss = dcn20_funcs;
+	dc->hwseq->funcs = dcn20_private_funcs;
+
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_init.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_DCN20_INIT_H__
+#define __DC_DCN20_INIT_H__
+
+struct dc;
+
+void dcn20_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_DCN20_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn201/dcn201_hwseq.c

@@ -0,0 +1,618 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dm_services.h"
+#include "basics/dc_common.h"
+#include "core_types.h"
+#include "resource.h"
+#include "dcn201_hwseq.h"
+#include "dcn201/dcn201_optc.h"
+#include "dce/dce_hwseq.h"
+#include "hubp.h"
+#include "dchubbub.h"
+#include "timing_generator.h"
+#include "opp.h"
+#include "ipp.h"
+#include "mpc.h"
+#include "dccg.h"
+#include "clk_mgr.h"
+#include "reg_helper.h"
+#include "dcn10/dcn10_hubbub.h"
+#include "dio/dcn10/dcn10_dio.h"
+
+
+#define CTX \
+	hws->ctx
+
+#define REG(reg)\
+	hws->regs->reg
+
+#define DC_LOGGER \
+	dc->ctx->logger
+
+#undef FN
+#define FN(reg_name, field_name) \
+	hws->shifts->field_name, hws->masks->field_name
+
+static bool patch_address_for_sbs_tb_stereo(
+		struct pipe_ctx *pipe_ctx, PHYSICAL_ADDRESS_LOC *addr)
+{
+	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
+	bool sec_split = pipe_ctx->top_pipe &&
+		pipe_ctx->top_pipe->plane_state == pipe_ctx->plane_state;
+
+	if (sec_split && plane_state->address.type == PLN_ADDR_TYPE_GRPH_STEREO &&
+		(pipe_ctx->stream->timing.timing_3d_format ==
+			TIMING_3D_FORMAT_SIDE_BY_SIDE ||
+		pipe_ctx->stream->timing.timing_3d_format ==
+			TIMING_3D_FORMAT_TOP_AND_BOTTOM)) {
+		*addr = plane_state->address.grph_stereo.left_addr;
+		plane_state->address.grph_stereo.left_addr =
+			plane_state->address.grph_stereo.right_addr;
+		return true;
+	} else {
+		if (pipe_ctx->stream->view_format != VIEW_3D_FORMAT_NONE &&
+			plane_state->address.type != PLN_ADDR_TYPE_GRPH_STEREO) {
+			plane_state->address.type = PLN_ADDR_TYPE_GRPH_STEREO;
+			plane_state->address.grph_stereo.right_addr =
+			plane_state->address.grph_stereo.left_addr;
+			plane_state->address.grph_stereo.right_meta_addr =
+			plane_state->address.grph_stereo.left_meta_addr;
+		}
+	}
+	return false;
+}
+
+static bool gpu_addr_to_uma(struct dce_hwseq *hwseq,
+		PHYSICAL_ADDRESS_LOC *addr)
+{
+	bool is_in_uma;
+
+	if (hwseq->fb_base.quad_part <= addr->quad_part &&
+			addr->quad_part < hwseq->fb_top.quad_part) {
+		addr->quad_part -= hwseq->fb_base.quad_part;
+		addr->quad_part += hwseq->fb_offset.quad_part;
+		is_in_uma = true;
+	} else if (hwseq->fb_offset.quad_part <= addr->quad_part &&
+			addr->quad_part <= hwseq->uma_top.quad_part) {
+		is_in_uma = true;
+	} else if (addr->quad_part == 0) {
+		is_in_uma = false;
+	} else {
+		is_in_uma = false;
+		BREAK_TO_DEBUGGER();
+	}
+	return is_in_uma;
+}
+
+static void plane_address_in_gpu_space_to_uma(struct dce_hwseq *hwseq,
+		struct dc_plane_address *addr)
+{
+	switch (addr->type) {
+	case PLN_ADDR_TYPE_GRAPHICS:
+		gpu_addr_to_uma(hwseq, &addr->grph.addr);
+		gpu_addr_to_uma(hwseq, &addr->grph.meta_addr);
+		break;
+	case PLN_ADDR_TYPE_GRPH_STEREO:
+		gpu_addr_to_uma(hwseq, &addr->grph_stereo.left_addr);
+		gpu_addr_to_uma(hwseq, &addr->grph_stereo.left_meta_addr);
+		gpu_addr_to_uma(hwseq, &addr->grph_stereo.right_addr);
+		gpu_addr_to_uma(hwseq, &addr->grph_stereo.right_meta_addr);
+		break;
+	case PLN_ADDR_TYPE_VIDEO_PROGRESSIVE:
+		gpu_addr_to_uma(hwseq, &addr->video_progressive.luma_addr);
+		gpu_addr_to_uma(hwseq, &addr->video_progressive.luma_meta_addr);
+		gpu_addr_to_uma(hwseq, &addr->video_progressive.chroma_addr);
+		gpu_addr_to_uma(hwseq, &addr->video_progressive.chroma_meta_addr);
+		break;
+	default:
+		BREAK_TO_DEBUGGER();
+		break;
+	}
+}
+
+void dcn201_update_plane_addr(const struct dc *dc, struct pipe_ctx *pipe_ctx)
+{
+	bool addr_patched = false;
+	PHYSICAL_ADDRESS_LOC addr;
+	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
+	struct dce_hwseq *hws = dc->hwseq;
+	struct dc_plane_address uma;
+
+	if (plane_state == NULL)
+		return;
+
+	uma = plane_state->address;
+	addr_patched = patch_address_for_sbs_tb_stereo(pipe_ctx, &addr);
+
+	plane_address_in_gpu_space_to_uma(hws, &uma);
+
+	pipe_ctx->plane_res.hubp->funcs->hubp_program_surface_flip_and_addr(
+			pipe_ctx->plane_res.hubp,
+			&uma,
+			plane_state->flip_immediate);
+
+	plane_state->status.requested_address = plane_state->address;
+
+	if (plane_state->flip_immediate)
+		plane_state->status.current_address = plane_state->address;
+
+	if (addr_patched)
+		pipe_ctx->plane_state->address.grph_stereo.left_addr = addr;
+}
+
+/* Blank pixel data during initialization */
+void dcn201_init_blank(
+		struct dc *dc,
+		struct timing_generator *tg)
+{
+	struct dce_hwseq *hws = dc->hwseq;
+	enum dc_color_space color_space;
+	struct tg_color black_color = {0};
+	struct output_pixel_processor *opp = NULL;
+	uint32_t num_opps, opp_id_src0, opp_id_src1;
+	uint32_t otg_active_width = 0, otg_active_height = 0;
+
+	/* program opp dpg blank color */
+	color_space = COLOR_SPACE_SRGB;
+	color_space_to_black_color(dc, color_space, &black_color);
+
+	/* get the OTG active size */
+	tg->funcs->get_otg_active_size(tg,
+			&otg_active_width,
+			&otg_active_height);
+
+	/* get the OPTC source */
+	tg->funcs->get_optc_source(tg, &num_opps, &opp_id_src0, &opp_id_src1);
+	ASSERT(opp_id_src0 < dc->res_pool->res_cap->num_opp);
+	opp = dc->res_pool->opps[opp_id_src0];
+
+	opp->funcs->opp_set_disp_pattern_generator(
+			opp,
+			CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
+			CONTROLLER_DP_COLOR_SPACE_UDEFINED,
+			COLOR_DEPTH_UNDEFINED,
+			&black_color,
+			otg_active_width,
+			otg_active_height,
+			0);
+
+	hws->funcs.wait_for_blank_complete(opp);
+}
+
+static void read_mmhub_vm_setup(struct dce_hwseq *hws)
+{
+	uint32_t fb_base = REG_READ(MC_VM_FB_LOCATION_BASE);
+	uint32_t fb_top = REG_READ(MC_VM_FB_LOCATION_TOP);
+	uint32_t fb_offset = REG_READ(MC_VM_FB_OFFSET);
+
+	/* MC_VM_FB_LOCATION_TOP is in pages, actual top should add 1 */
+	fb_top++;
+
+	/* bit 23:0 in register map to bit 47:24 in address */
+	hws->fb_base.low_part = fb_base;
+	hws->fb_base.quad_part <<= 24;
+
+	hws->fb_top.low_part  = fb_top;
+	hws->fb_top.quad_part <<= 24;
+	hws->fb_offset.low_part = fb_offset;
+	hws->fb_offset.quad_part <<= 24;
+
+	hws->uma_top.quad_part = hws->fb_top.quad_part
+			- hws->fb_base.quad_part + hws->fb_offset.quad_part;
+}
+
+void dcn201_init_hw(struct dc *dc)
+{
+	int i, j;
+	struct dce_hwseq *hws = dc->hwseq;
+	struct resource_pool *res_pool = dc->res_pool;
+	struct dc_state  *context = dc->current_state;
+
+	if (res_pool->dccg->funcs->dccg_init)
+		res_pool->dccg->funcs->dccg_init(res_pool->dccg);
+
+	if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
+		dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
+
+	hws->funcs.bios_golden_init(dc);
+
+	if (dc->ctx->dc_bios->fw_info_valid) {
+		res_pool->ref_clocks.xtalin_clock_inKhz =
+			dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency;
+
+		if (res_pool->hubbub) {
+			(res_pool->dccg->funcs->get_dccg_ref_freq)(res_pool->dccg,
+					dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency,
+					&res_pool->ref_clocks.dccg_ref_clock_inKhz);
+
+			(res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub,
+					res_pool->ref_clocks.dccg_ref_clock_inKhz,
+					&res_pool->ref_clocks.dchub_ref_clock_inKhz);
+		} else {
+			res_pool->ref_clocks.dccg_ref_clock_inKhz =
+					res_pool->ref_clocks.xtalin_clock_inKhz;
+			res_pool->ref_clocks.dchub_ref_clock_inKhz =
+					res_pool->ref_clocks.xtalin_clock_inKhz;
+		}
+	} else
+		ASSERT_CRITICAL(false);
+	for (i = 0; i < dc->link_count; i++) {
+		/* Power up AND update implementation according to the
+		 * required signal (which may be different from the
+		 * default signal on connector).
+		 */
+		struct dc_link *link = dc->links[i];
+
+		link->link_enc->funcs->hw_init(link->link_enc);
+	}
+	if (hws->fb_offset.quad_part == 0)
+		read_mmhub_vm_setup(hws);
+
+	/* Blank pixel data with OPP DPG */
+	for (i = 0; i < res_pool->timing_generator_count; i++) {
+		struct timing_generator *tg = res_pool->timing_generators[i];
+
+		if (tg->funcs->is_tg_enabled(tg)) {
+			dcn201_init_blank(dc, tg);
+		}
+	}
+
+	for (i = 0; i < res_pool->timing_generator_count; i++) {
+		struct timing_generator *tg = res_pool->timing_generators[i];
+
+		if (tg->funcs->is_tg_enabled(tg))
+			tg->funcs->lock(tg);
+	}
+
+	for (i = 0; i < res_pool->pipe_count; i++) {
+		struct dpp *dpp = res_pool->dpps[i];
+
+		dpp->funcs->dpp_reset(dpp);
+	}
+
+	/* Reset all MPCC muxes */
+	res_pool->mpc->funcs->mpc_init(res_pool->mpc);
+
+	/* initialize OPP mpc_tree parameter */
+	for (i = 0; i < res_pool->res_cap->num_opp; i++) {
+		res_pool->opps[i]->mpc_tree_params.opp_id = res_pool->opps[i]->inst;
+		res_pool->opps[i]->mpc_tree_params.opp_list = NULL;
+		for (j = 0; j < MAX_PIPES; j++)
+			res_pool->opps[i]->mpcc_disconnect_pending[j] = false;
+	}
+
+	for (i = 0; i < res_pool->timing_generator_count; i++) {
+		struct timing_generator *tg = res_pool->timing_generators[i];
+		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+		struct hubp *hubp = res_pool->hubps[i];
+		struct dpp *dpp = res_pool->dpps[i];
+
+		pipe_ctx->stream_res.tg = tg;
+		pipe_ctx->pipe_idx = i;
+
+		pipe_ctx->plane_res.hubp = hubp;
+		pipe_ctx->plane_res.dpp = dpp;
+		pipe_ctx->plane_res.mpcc_inst = dpp->inst;
+		hubp->mpcc_id = dpp->inst;
+		hubp->opp_id = OPP_ID_INVALID;
+		hubp->power_gated = false;
+		pipe_ctx->stream_res.opp = NULL;
+
+		hubp->funcs->hubp_init(hubp);
+
+		res_pool->opps[i]->mpcc_disconnect_pending[pipe_ctx->plane_res.mpcc_inst] = true;
+		pipe_ctx->stream_res.opp = res_pool->opps[i];
+		/*To do: number of MPCC != number of opp*/
+		hws->funcs.plane_atomic_disconnect(dc, context, pipe_ctx);
+	}
+
+	/* initialize DWB pointer to MCIF_WB */
+	for (i = 0; i < res_pool->res_cap->num_dwb; i++)
+		res_pool->dwbc[i]->mcif = res_pool->mcif_wb[i];
+
+	for (i = 0; i < res_pool->timing_generator_count; i++) {
+		struct timing_generator *tg = res_pool->timing_generators[i];
+
+		if (tg->funcs->is_tg_enabled(tg))
+			tg->funcs->unlock(tg);
+	}
+
+	for (i = 0; i < res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+
+		dc->hwss.disable_plane(dc, context, pipe_ctx);
+
+		pipe_ctx->stream_res.tg = NULL;
+		pipe_ctx->plane_res.hubp = NULL;
+	}
+
+	for (i = 0; i < res_pool->timing_generator_count; i++) {
+		struct timing_generator *tg = res_pool->timing_generators[i];
+
+		tg->funcs->tg_init(tg);
+	}
+
+	for (i = 0; i < res_pool->audio_count; i++) {
+		struct audio *audio = res_pool->audios[i];
+
+		audio->funcs->hw_init(audio);
+	}
+
+	/* power AFMT HDMI memory TODO: may move to dis/en output save power*/
+	if (dc->res_pool->dio && dc->res_pool->dio->funcs->mem_pwr_ctrl)
+		dc->res_pool->dio->funcs->mem_pwr_ctrl(dc->res_pool->dio, false);
+
+	if (!dc->debug.disable_clock_gate) {
+		/* enable all DCN clock gating */
+		if (dc->res_pool->dccg && dc->res_pool->dccg->funcs && dc->res_pool->dccg->funcs->allow_clock_gating)
+			dc->res_pool->dccg->funcs->allow_clock_gating(dc->res_pool->dccg, true);
+
+		REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
+	}
+}
+
+/* trigger HW to start disconnect plane from stream on the next vsync */
+void dcn201_plane_atomic_disconnect(struct dc *dc,
+		struct dc_state *state,
+		struct pipe_ctx *pipe_ctx)
+{
+	struct dce_hwseq *hws = dc->hwseq;
+	struct hubp *hubp = pipe_ctx->plane_res.hubp;
+	int dpp_id = pipe_ctx->plane_res.dpp->inst;
+	struct mpc *mpc = dc->res_pool->mpc;
+	struct mpc_tree *mpc_tree_params;
+	struct mpcc *mpcc_to_remove = NULL;
+	struct output_pixel_processor *opp = pipe_ctx->stream_res.opp;
+	bool mpcc_removed = false;
+
+	mpc_tree_params = &(opp->mpc_tree_params);
+
+	/* check if this plane is being used by an MPCC in the secondary blending chain */
+	if (mpc->funcs->get_mpcc_for_dpp_from_secondary)
+		mpcc_to_remove = mpc->funcs->get_mpcc_for_dpp_from_secondary(mpc_tree_params, dpp_id);
+
+	/* remove MPCC from secondary if being used */
+	if (mpcc_to_remove != NULL && mpc->funcs->remove_mpcc_from_secondary) {
+		mpc->funcs->remove_mpcc_from_secondary(mpc, mpc_tree_params, mpcc_to_remove);
+		mpcc_removed = true;
+	}
+
+	/* check if this MPCC is already being used for this plane (dpp) in the primary blending chain */
+	mpcc_to_remove = mpc->funcs->get_mpcc_for_dpp(mpc_tree_params, dpp_id);
+	if (mpcc_to_remove != NULL) {
+		mpc->funcs->remove_mpcc(mpc, mpc_tree_params, mpcc_to_remove);
+		mpcc_removed = true;
+	}
+
+	/*Already reset*/
+	if (mpcc_removed == false)
+		return;
+
+	opp->mpcc_disconnect_pending[pipe_ctx->plane_res.mpcc_inst] = true;
+
+	dc->optimized_required = true;
+
+	if (hubp->funcs->hubp_disconnect)
+		hubp->funcs->hubp_disconnect(hubp);
+
+	if (dc->debug.sanity_checks)
+		hws->funcs.verify_allow_pstate_change_high(dc);
+}
+
+void dcn201_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
+{
+	struct hubp *hubp = pipe_ctx->plane_res.hubp;
+	struct mpcc_blnd_cfg blnd_cfg;
+	bool per_pixel_alpha = pipe_ctx->plane_state->per_pixel_alpha && pipe_ctx->bottom_pipe;
+	int mpcc_id, dpp_id;
+	struct mpcc *new_mpcc;
+	struct mpcc *remove_mpcc = NULL;
+	struct mpc *mpc = dc->res_pool->mpc;
+	struct mpc_tree *mpc_tree_params = &(pipe_ctx->stream_res.opp->mpc_tree_params);
+
+	if (dc->debug.visual_confirm == VISUAL_CONFIRM_HDR) {
+		get_hdr_visual_confirm_color(
+				pipe_ctx, &blnd_cfg.black_color);
+	} else if (dc->debug.visual_confirm == VISUAL_CONFIRM_SURFACE) {
+		get_surface_visual_confirm_color(
+				pipe_ctx, &blnd_cfg.black_color);
+	} else {
+		color_space_to_black_color(
+				dc, pipe_ctx->stream->output_color_space,
+				&blnd_cfg.black_color);
+	}
+
+	if (per_pixel_alpha)
+		blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA;
+	else
+		blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_GLOBAL_ALPHA;
+
+	blnd_cfg.overlap_only = false;
+
+	if (pipe_ctx->plane_state->global_alpha_value)
+		blnd_cfg.global_alpha = pipe_ctx->plane_state->global_alpha_value;
+	else
+		blnd_cfg.global_alpha = 0xff;
+
+	blnd_cfg.global_gain = 0xff;
+	blnd_cfg.background_color_bpc = 4;
+	blnd_cfg.bottom_gain_mode = 0;
+	blnd_cfg.top_gain = 0x1f000;
+	blnd_cfg.bottom_inside_gain = 0x1f000;
+	blnd_cfg.bottom_outside_gain = 0x1f000;
+	/*the input to MPCC is RGB*/
+	blnd_cfg.black_color.color_b_cb = 0;
+	blnd_cfg.black_color.color_g_y = 0;
+	blnd_cfg.black_color.color_r_cr = 0;
+
+	/* DCN1.0 has output CM before MPC which seems to screw with
+	 * pre-multiplied alpha. This is a w/a hopefully unnecessary for DCN2.
+	 */
+	blnd_cfg.pre_multiplied_alpha = per_pixel_alpha;
+
+	/*
+	 * TODO: remove hack
+	 * Note: currently there is a bug in init_hw such that
+	 * on resume from hibernate, BIOS sets up MPCC0, and
+	 * we do mpcc_remove but the mpcc cannot go to idle
+	 * after remove. This cause us to pick mpcc1 here,
+	 * which causes a pstate hang for yet unknown reason.
+	 */
+	dpp_id = hubp->inst;
+	mpcc_id = dpp_id;
+
+	/* If there is no full update, don't need to touch MPC tree*/
+	if (!pipe_ctx->plane_state->update_flags.bits.full_update) {
+		dc->hwss.update_visual_confirm_color(dc, pipe_ctx, mpcc_id);
+		mpc->funcs->update_blending(mpc, &blnd_cfg, mpcc_id);
+		return;
+	}
+
+	/* check if this plane is being used by an MPCC in the secondary blending chain */
+	if (mpc->funcs->get_mpcc_for_dpp_from_secondary)
+		remove_mpcc = mpc->funcs->get_mpcc_for_dpp_from_secondary(mpc_tree_params, dpp_id);
+
+	/* remove MPCC from secondary if being used */
+	if (remove_mpcc != NULL && mpc->funcs->remove_mpcc_from_secondary)
+		mpc->funcs->remove_mpcc_from_secondary(mpc, mpc_tree_params, remove_mpcc);
+
+	/* check if this MPCC is already being used for this plane (dpp) in the primary blending chain */
+	remove_mpcc = mpc->funcs->get_mpcc_for_dpp(mpc_tree_params, dpp_id);
+	/* remove MPCC if being used */
+
+	if (remove_mpcc != NULL)
+		mpc->funcs->remove_mpcc(mpc, mpc_tree_params, remove_mpcc);
+	else
+		if (dc->debug.sanity_checks)
+			mpc->funcs->assert_mpcc_idle_before_connect(
+					dc->res_pool->mpc, mpcc_id);
+
+	/* Call MPC to insert new plane */
+	dc->hwss.update_visual_confirm_color(dc, pipe_ctx, mpcc_id);
+	new_mpcc = mpc->funcs->insert_plane(dc->res_pool->mpc,
+			mpc_tree_params,
+			&blnd_cfg,
+			NULL,
+			NULL,
+			dpp_id,
+			mpcc_id);
+
+	ASSERT(new_mpcc != NULL);
+	hubp->opp_id = pipe_ctx->stream_res.opp->inst;
+	hubp->mpcc_id = mpcc_id;
+}
+
+void dcn201_pipe_control_lock(
+	struct dc *dc,
+	struct pipe_ctx *pipe,
+	bool lock)
+{
+	struct dce_hwseq *hws = dc->hwseq;
+	/* use TG master update lock to lock everything on the TG
+	 * therefore only top pipe need to lock
+	 */
+	if (pipe->top_pipe)
+		return;
+
+	if (dc->debug.sanity_checks)
+		hws->funcs.verify_allow_pstate_change_high(dc);
+
+	if (pipe->plane_state != NULL && pipe->plane_state->triplebuffer_flips) {
+		if (lock)
+			pipe->stream_res.tg->funcs->triplebuffer_lock(pipe->stream_res.tg);
+		else
+			pipe->stream_res.tg->funcs->triplebuffer_unlock(pipe->stream_res.tg);
+	} else {
+		if (lock)
+			pipe->stream_res.tg->funcs->lock(pipe->stream_res.tg);
+		else
+			pipe->stream_res.tg->funcs->unlock(pipe->stream_res.tg);
+	}
+
+	if (dc->debug.sanity_checks)
+		hws->funcs.verify_allow_pstate_change_high(dc);
+}
+
+void dcn201_set_cursor_attribute(struct pipe_ctx *pipe_ctx)
+{
+	struct dc_cursor_attributes *attributes = &pipe_ctx->stream->cursor_attributes;
+
+	gpu_addr_to_uma(pipe_ctx->stream->ctx->dc->hwseq, &attributes->address);
+
+	pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes(
+			pipe_ctx->plane_res.hubp, attributes);
+	pipe_ctx->plane_res.dpp->funcs->set_cursor_attributes(
+		pipe_ctx->plane_res.dpp, attributes);
+}
+
+void dcn201_set_dmdata_attributes(struct pipe_ctx *pipe_ctx)
+{
+	struct dc_dmdata_attributes attr = { 0 };
+	struct hubp *hubp = pipe_ctx->plane_res.hubp;
+
+	gpu_addr_to_uma(pipe_ctx->stream->ctx->dc->hwseq,
+			&pipe_ctx->stream->dmdata_address);
+
+	attr.dmdata_mode = DMDATA_HW_MODE;
+	attr.dmdata_size =
+		dc_is_hdmi_signal(pipe_ctx->stream->signal) ? 32 : 36;
+	attr.address.quad_part =
+			pipe_ctx->stream->dmdata_address.quad_part;
+	attr.dmdata_dl_delta = 0;
+	attr.dmdata_qos_mode = 0;
+	attr.dmdata_qos_level = 0;
+	attr.dmdata_repeat = 1; /* always repeat */
+	attr.dmdata_updated = 1;
+	attr.dmdata_sw_data = NULL;
+
+	hubp->funcs->dmdata_set_attributes(hubp, &attr);
+}
+
+void dcn201_unblank_stream(struct pipe_ctx *pipe_ctx,
+		struct dc_link_settings *link_settings)
+{
+	struct encoder_unblank_param params = { { 0 } };
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	struct dc_link *link = stream->link;
+	struct dce_hwseq *hws = link->dc->hwseq;
+
+	/* only 3 items below are used by unblank */
+	params.timing = pipe_ctx->stream->timing;
+
+	params.link_settings.link_rate = link_settings->link_rate;
+
+	if (dc_is_dp_signal(pipe_ctx->stream->signal)) {
+		/*check whether it is half the rate*/
+		if (pipe_ctx->stream_res.tg->funcs->is_two_pixels_per_container(&stream->timing))
+			params.timing.pix_clk_100hz /= 2;
+
+		pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(link, pipe_ctx->stream_res.stream_enc, &params);
+	}
+
+	if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) {
+		hws->funcs.edp_backlight_control(link, true);
+	}
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn201/dcn201_hwseq.h

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2021 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCN201_H__
+#define __DC_HWSS_DCN201_H__
+
+#include "hw_sequencer_private.h"
+
+void dcn201_set_dmdata_attributes(struct pipe_ctx *pipe_ctx);
+void dcn201_init_hw(struct dc *dc);
+void dcn201_unblank_stream(struct pipe_ctx *pipe_ctx,
+		struct dc_link_settings *link_settings);
+void dcn201_update_plane_addr(const struct dc *dc, struct pipe_ctx *pipe_ctx);
+void dcn201_plane_atomic_disconnect(struct dc *dc, struct dc_state *state, struct pipe_ctx *pipe_ctx);
+void dcn201_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx);
+void dcn201_set_cursor_attribute(struct pipe_ctx *pipe_ctx);
+void dcn201_pipe_control_lock(
+	struct dc *dc,
+	struct pipe_ctx *pipe,
+	bool lock);
+void dcn201_init_blank(
+		struct dc *dc,
+		struct timing_generator *tg);
+#endif /* __DC_HWSS_DCN201_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn201/dcn201_init.c

@@ -0,0 +1,136 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dce110/dce110_hwseq.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "dcn20/dcn20_hwseq.h"
+#include "dcn201/dcn201_hwseq.h"
+#include "dcn201_init.h"
+
+static const struct hw_sequencer_funcs dcn201_funcs = {
+	.program_gamut_remap = dcn10_program_gamut_remap,
+	.init_hw = dcn201_init_hw,
+	.power_down_on_boot = NULL,
+	.apply_ctx_to_hw = dce110_apply_ctx_to_hw,
+	.apply_ctx_for_surface = NULL,
+	.program_front_end_for_ctx = dcn20_program_front_end_for_ctx,
+	.clear_surface_dcc_and_tiling = dcn10_reset_surface_dcc_and_tiling,
+	.wait_for_pending_cleared = dcn10_wait_for_pending_cleared,
+	.post_unlock_program_front_end = dcn10_post_unlock_program_front_end,
+	.update_plane_addr = dcn201_update_plane_addr,
+	.update_dchub = dcn10_update_dchub,
+	.update_pending_status = dcn10_update_pending_status,
+	.program_output_csc = dcn20_program_output_csc,
+	.enable_accelerated_mode = dce110_enable_accelerated_mode,
+	.enable_timing_synchronization = dcn10_enable_timing_synchronization,
+	.enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset,
+	.update_info_frame = dce110_update_info_frame,
+	.send_immediate_sdp_message = dcn10_send_immediate_sdp_message,
+	.enable_stream = dce110_enable_stream,
+	.disable_stream = dce110_disable_stream,
+	.unblank_stream = dcn201_unblank_stream,
+	.blank_stream = dce110_blank_stream,
+	.enable_audio_stream = dce110_enable_audio_stream,
+	.disable_audio_stream = dce110_disable_audio_stream,
+	.disable_plane = dcn10_disable_plane,
+	.pipe_control_lock = dcn201_pipe_control_lock,
+	.interdependent_update_lock = dcn10_lock_all_pipes,
+	.cursor_lock = dcn10_cursor_lock,
+	.prepare_bandwidth = dcn20_prepare_bandwidth,
+	.optimize_bandwidth = dcn20_optimize_bandwidth,
+	.update_bandwidth = dcn20_update_bandwidth,
+	.set_drr = dcn10_set_drr,
+	.get_position = dcn10_get_position,
+	.set_static_screen_control = dcn10_set_static_screen_control,
+	.setup_stereo = dcn10_setup_stereo,
+	.set_avmute = dce110_set_avmute,
+	.log_hw_state = dcn10_log_hw_state,
+	.get_hw_state = dcn10_get_hw_state,
+	.clear_status_bits = dcn10_clear_status_bits,
+	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.edp_power_control = dce110_edp_power_control,
+	.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
+	.setup_periodic_interrupt = dcn10_setup_periodic_interrupt,
+	.set_clock = dcn10_set_clock,
+	.get_clock = dcn10_get_clock,
+	.program_triplebuffer = dcn20_program_triple_buffer,
+	.dmdata_status_done = dcn20_dmdata_status_done,
+	.set_dmdata_attributes = dcn201_set_dmdata_attributes,
+	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+	.calc_vupdate_position = dcn10_calc_vupdate_position,
+	.set_cursor_position = dcn10_set_cursor_position,
+	.set_cursor_attribute = dcn201_set_cursor_attribute,
+	.set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
+	.set_backlight_level = dce110_set_backlight_level,
+	.set_abm_immediate_disable = dce110_set_abm_immediate_disable,
+	.set_pipe = dce110_set_pipe,
+	.enable_lvds_link_output = dce110_enable_lvds_link_output,
+	.enable_tmds_link_output = dce110_enable_tmds_link_output,
+	.enable_dp_link_output = dce110_enable_dp_link_output,
+	.disable_link_output = dce110_disable_link_output,
+	.set_disp_pattern_generator = dcn20_set_disp_pattern_generator,
+	.update_visual_confirm_color = dcn10_update_visual_confirm_color,
+};
+
+static const struct hwseq_private_funcs dcn201_private_funcs = {
+	.init_pipes = NULL,
+	.plane_atomic_disconnect = dcn201_plane_atomic_disconnect,
+	.program_pipe = dcn10_program_pipe,
+	.update_mpcc = dcn201_update_mpcc,
+	.set_input_transfer_func = dcn20_set_input_transfer_func,
+	.set_output_transfer_func = dcn20_set_output_transfer_func,
+	.power_down = dce110_power_down,
+	.enable_display_power_gating = dcn10_dummy_display_power_gating,
+	.blank_pixel_data = dcn20_blank_pixel_data,
+	.reset_hw_ctx_wrap = dcn10_reset_hw_ctx_wrap,
+	.enable_stream_timing = dcn20_enable_stream_timing,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.disable_stream_gating = NULL,
+	.enable_stream_gating = NULL,
+	.setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt,
+	.did_underflow_occur = dcn10_did_underflow_occur,
+	.init_blank = dcn201_init_blank,
+	.disable_vga = dcn10_disable_vga,
+	.bios_golden_init = dcn10_bios_golden_init,
+	.plane_atomic_disable = dcn10_plane_atomic_disable,
+	.plane_atomic_power_down = dcn10_plane_atomic_power_down,
+	.enable_power_gating_plane = dcn10_enable_power_gating_plane,
+	.dpp_pg_control = dcn10_dpp_pg_control,
+	.hubp_pg_control = dcn10_hubp_pg_control,
+	.dsc_pg_control = NULL,
+	.set_hdr_multiplier = dcn10_set_hdr_multiplier,
+	.verify_allow_pstate_change_high = dcn10_verify_allow_pstate_change_high,
+	.wait_for_blank_complete = dcn20_wait_for_blank_complete,
+	.dccg_init = dcn20_dccg_init,
+	.set_blend_lut = dcn20_set_blend_lut,
+	.set_shaper_3dlut = dcn20_set_shaper_3dlut,
+};
+
+void dcn201_hw_sequencer_construct(struct dc *dc)
+{
+	dc->hwss = dcn201_funcs;
+	dc->hwseq->funcs = dcn201_private_funcs;
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn201/dcn201_init.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_DCN201_INIT_H__
+#define __DC_DCN201_INIT_H__
+
+struct dc;
+
+void dcn201_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_DCN201_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c

@@ -0,0 +1,301 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dm_services.h"
+#include "dm_helpers.h"
+#include "core_types.h"
+#include "resource.h"
+#include "dce/dce_hwseq.h"
+#include "dce110/dce110_hwseq.h"
+#include "dcn21_hwseq.h"
+#include "vmid.h"
+#include "reg_helper.h"
+#include "hw/clk_mgr.h"
+#include "hw/dccg.h"
+#include "dc_dmub_srv.h"
+#include "abm.h"
+#include "link_service.h"
+
+#define DC_LOGGER_INIT(logger)
+
+#define CTX \
+	hws->ctx
+#define REG(reg)\
+	hws->regs->reg
+
+#undef FN
+#define FN(reg_name, field_name) \
+	hws->shifts->field_name, hws->masks->field_name
+
+/* Temporary read settings, future will get values from kmd directly */
+static void mmhub_update_page_table_config(struct dcn_hubbub_phys_addr_config *config,
+		struct dce_hwseq *hws)
+{
+	uint32_t page_table_base_hi;
+	uint32_t page_table_base_lo;
+
+	REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
+			PAGE_DIRECTORY_ENTRY_HI32, &page_table_base_hi);
+	REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
+			PAGE_DIRECTORY_ENTRY_LO32, &page_table_base_lo);
+
+	config->gart_config.page_table_base_addr = ((uint64_t)page_table_base_hi << 32) | page_table_base_lo;
+
+}
+
+int dcn21_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config)
+{
+	struct dcn_hubbub_phys_addr_config config = {0};
+
+	config.system_aperture.fb_top = pa_config->system_aperture.fb_top;
+	config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset;
+	config.system_aperture.fb_base = pa_config->system_aperture.fb_base;
+	config.system_aperture.agp_top = pa_config->system_aperture.agp_top;
+	config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot;
+	config.system_aperture.agp_base = pa_config->system_aperture.agp_base;
+	config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr;
+	config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr;
+	config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
+
+	mmhub_update_page_table_config(&config, hws);
+
+	return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config);
+}
+
+// work around for Renoir s0i3, if register is programmed, bypass golden init.
+
+bool dcn21_s0i3_golden_init_wa(struct dc *dc)
+{
+	if (dc->res_pool->dccg && dc->res_pool->dccg->funcs && dc->res_pool->dccg->funcs->is_s0i3_golden_init_wa_done)
+		return !dc->res_pool->dccg->funcs->is_s0i3_golden_init_wa_done(dc->res_pool->dccg);
+
+	return false;
+}
+
+void dcn21_exit_optimized_pwr_state(
+		const struct dc *dc,
+		struct dc_state *context)
+{
+	dc->clk_mgr->funcs->update_clocks(
+			dc->clk_mgr,
+			context,
+			false);
+}
+
+void dcn21_optimize_pwr_state(
+		const struct dc *dc,
+		struct dc_state *context)
+{
+	dc->clk_mgr->funcs->update_clocks(
+			dc->clk_mgr,
+			context,
+			true);
+}
+
+/* If user hotplug a HDMI monitor while in monitor off,
+ * OS will do a mode set (with output timing) but keep output off.
+ * In this case DAL will ask vbios to power up the pll in the PHY.
+ * If user unplug the monitor (while we are on monitor off) or
+ * system attempt to enter modern standby (which we will disable PLL),
+ * PHY will hang on the next mode set attempt.
+ * if enable PLL follow by disable PLL (without executing lane enable/disable),
+ * RDPCS_PHY_DP_MPLLB_STATE remains 1,
+ * which indicate that PLL disable attempt actually didn't go through.
+ * As a workaround, insert PHY lane enable/disable before PLL disable.
+ */
+void dcn21_PLAT_58856_wa(struct dc_state *context, struct pipe_ctx *pipe_ctx)
+{
+	if (!pipe_ctx->stream->dpms_off)
+		return;
+
+	pipe_ctx->stream->dpms_off = false;
+	pipe_ctx->stream->ctx->dc->link_srv->set_dpms_on(context, pipe_ctx);
+	pipe_ctx->stream->ctx->dc->link_srv->set_dpms_off(pipe_ctx);
+	pipe_ctx->stream->dpms_off = true;
+}
+
+bool dcn21_dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst,
+		uint32_t option, uint32_t panel_inst, uint32_t pwrseq_inst)
+{
+	union dmub_rb_cmd cmd;
+	struct dc_context *dc = abm->ctx;
+	uint8_t ramping_boundary = 0xFF;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.abm_set_pipe.header.type = DMUB_CMD__ABM;
+	cmd.abm_set_pipe.header.sub_type = DMUB_CMD__ABM_SET_PIPE;
+	cmd.abm_set_pipe.abm_set_pipe_data.otg_inst = (uint8_t)otg_inst;
+	cmd.abm_set_pipe.abm_set_pipe_data.pwrseq_inst = (uint8_t)pwrseq_inst;
+	cmd.abm_set_pipe.abm_set_pipe_data.set_pipe_option = (uint8_t)option;
+	cmd.abm_set_pipe.abm_set_pipe_data.panel_inst = (uint8_t)panel_inst;
+	cmd.abm_set_pipe.abm_set_pipe_data.ramping_boundary = ramping_boundary;
+	cmd.abm_set_pipe.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_pipe_data);
+
+	dc_wake_and_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
+
+	return true;
+}
+
+static void dmub_abm_set_backlight(struct dc_context *dc, uint32_t backlight_pwm_u16_16,
+									uint32_t frame_ramp, uint32_t panel_inst)
+{
+	union dmub_rb_cmd cmd;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.abm_set_backlight.header.type = DMUB_CMD__ABM;
+	cmd.abm_set_backlight.header.sub_type = DMUB_CMD__ABM_SET_BACKLIGHT;
+	cmd.abm_set_backlight.abm_set_backlight_data.frame_ramp = frame_ramp;
+	cmd.abm_set_backlight.abm_set_backlight_data.backlight_user_level = backlight_pwm_u16_16;
+	cmd.abm_set_backlight.abm_set_backlight_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1;
+	cmd.abm_set_backlight.abm_set_backlight_data.panel_mask = (0x01 << panel_inst);
+	cmd.abm_set_backlight.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_backlight_data);
+
+	dc_wake_and_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
+}
+
+void dcn21_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx)
+{
+	struct abm *abm = pipe_ctx->stream_res.abm;
+	uint32_t otg_inst = pipe_ctx->stream_res.tg->inst;
+	struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
+	struct dmcu *dmcu = pipe_ctx->stream->ctx->dc->res_pool->dmcu;
+
+	// make a short term w/a for an issue that backlight ramping unexpectedly paused in the middle,
+	// will decouple backlight from ABM and redefine DMUB interface, then this w/a could be removed
+	if (pipe_ctx->stream->abm_level == 0 || pipe_ctx->stream->abm_level == ABM_LEVEL_IMMEDIATE_DISABLE) {
+		return;
+	}
+
+	if (dmcu) {
+		dce110_set_abm_immediate_disable(pipe_ctx);
+		return;
+	}
+
+	if (abm && panel_cntl) {
+		if (abm->funcs && abm->funcs->set_pipe_ex) {
+			abm->funcs->set_pipe_ex(abm, otg_inst, SET_ABM_PIPE_IMMEDIATELY_DISABLE,
+					panel_cntl->inst, panel_cntl->pwrseq_inst);
+		} else {
+			dcn21_dmub_abm_set_pipe(abm,
+						otg_inst,
+						SET_ABM_PIPE_IMMEDIATELY_DISABLE,
+						panel_cntl->inst,
+						panel_cntl->pwrseq_inst);
+		}
+		panel_cntl->funcs->store_backlight_level(panel_cntl);
+	}
+}
+
+void dcn21_set_pipe(struct pipe_ctx *pipe_ctx)
+{
+	struct abm *abm = pipe_ctx->stream_res.abm;
+	struct timing_generator *tg = pipe_ctx->stream_res.tg;
+	struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
+	struct dmcu *dmcu = pipe_ctx->stream->ctx->dc->res_pool->dmcu;
+	uint32_t otg_inst;
+
+	if (!abm || !tg || !panel_cntl)
+		return;
+
+	otg_inst = tg->inst;
+
+	if (dmcu) {
+		dce110_set_pipe(pipe_ctx);
+		return;
+	}
+
+	if (abm->funcs && abm->funcs->set_pipe_ex) {
+		abm->funcs->set_pipe_ex(abm,
+					otg_inst,
+					SET_ABM_PIPE_NORMAL,
+					panel_cntl->inst,
+					panel_cntl->pwrseq_inst);
+	} else {
+			dcn21_dmub_abm_set_pipe(abm, otg_inst,
+				  SET_ABM_PIPE_NORMAL,
+				  panel_cntl->inst,
+				  panel_cntl->pwrseq_inst);
+	}
+}
+
+bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx,
+	struct set_backlight_level_params *backlight_level_params)
+{
+	struct dc_context *dc = pipe_ctx->stream->ctx;
+	struct abm *abm = pipe_ctx->stream_res.abm;
+	struct timing_generator *tg = pipe_ctx->stream_res.tg;
+	struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
+	uint32_t otg_inst;
+	uint32_t backlight_pwm_u16_16 = backlight_level_params->backlight_pwm_u16_16;
+	uint32_t frame_ramp = backlight_level_params->frame_ramp;
+
+	if (!abm || !tg || !panel_cntl)
+		return false;
+
+	otg_inst = tg->inst;
+
+	if (dc->dc->res_pool->dmcu) {
+		dce110_set_backlight_level(pipe_ctx, backlight_level_params);
+		return true;
+	}
+
+	if (abm->funcs && abm->funcs->set_pipe_ex) {
+		abm->funcs->set_pipe_ex(abm,
+					otg_inst,
+					SET_ABM_PIPE_NORMAL,
+					panel_cntl->inst,
+					panel_cntl->pwrseq_inst);
+	} else {
+			dcn21_dmub_abm_set_pipe(abm,
+				  otg_inst,
+				  SET_ABM_PIPE_NORMAL,
+				  panel_cntl->inst,
+				  panel_cntl->pwrseq_inst);
+	}
+
+	if (abm->funcs && abm->funcs->set_backlight_level_pwm)
+		abm->funcs->set_backlight_level_pwm(abm, backlight_pwm_u16_16,
+			frame_ramp, 0, panel_cntl->inst);
+	else
+		dmub_abm_set_backlight(dc, backlight_pwm_u16_16, frame_ramp, panel_cntl->inst);
+
+	return true;
+}
+
+bool dcn21_is_abm_supported(struct dc *dc,
+		struct dc_state *context, struct dc_stream_state *stream)
+{
+	unsigned int i;
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+
+		if (pipe_ctx->stream == stream &&
+				(pipe_ctx->prev_odm_pipe == NULL && pipe_ctx->next_odm_pipe == NULL))
+			return true;
+	}
+	return false;
+}
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.h

@@ -0,0 +1,59 @@
+/*
+* Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCN21_H__
+#define __DC_HWSS_DCN21_H__
+
+#include "hw_sequencer_private.h"
+
+struct dc;
+
+int dcn21_init_sys_ctx(struct dce_hwseq *hws,
+		struct dc *dc,
+		struct dc_phy_addr_space_config *pa_config);
+
+bool dcn21_s0i3_golden_init_wa(struct dc *dc);
+
+void dcn21_exit_optimized_pwr_state(
+		const struct dc *dc,
+		struct dc_state *context);
+
+void dcn21_optimize_pwr_state(
+		const struct dc *dc,
+		struct dc_state *context);
+
+void dcn21_PLAT_58856_wa(struct dc_state *context,
+		struct pipe_ctx *pipe_ctx);
+
+bool dcn21_dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst,
+	uint32_t option, uint32_t panel_inst, uint32_t pwrseq_inst);
+void dcn21_set_pipe(struct pipe_ctx *pipe_ctx);
+void dcn21_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx);
+bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx,
+	struct set_backlight_level_params *params);
+bool dcn21_is_abm_supported(struct dc *dc,
+		struct dc_state *context, struct dc_stream_state *stream);
+
+#endif /* __DC_HWSS_DCN21_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_init.c

@@ -0,0 +1,151 @@
+/*
+ * Copyright 2016-2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dce110/dce110_hwseq.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "dcn20/dcn20_hwseq.h"
+#include "dcn21/dcn21_hwseq.h"
+
+#include "dcn21_init.h"
+
+static const struct hw_sequencer_funcs dcn21_funcs = {
+	.program_gamut_remap = dcn10_program_gamut_remap,
+	.init_hw = dcn10_init_hw,
+	.power_down_on_boot = dcn10_power_down_on_boot,
+	.apply_ctx_to_hw = dce110_apply_ctx_to_hw,
+	.apply_ctx_for_surface = NULL,
+	.program_front_end_for_ctx = dcn20_program_front_end_for_ctx,
+	.clear_surface_dcc_and_tiling = dcn10_reset_surface_dcc_and_tiling,
+	.wait_for_pending_cleared = dcn10_wait_for_pending_cleared,
+	.post_unlock_program_front_end = dcn20_post_unlock_program_front_end,
+	.update_plane_addr = dcn20_update_plane_addr,
+	.update_dchub = dcn10_update_dchub,
+	.update_pending_status = dcn10_update_pending_status,
+	.program_output_csc = dcn20_program_output_csc,
+	.enable_accelerated_mode = dce110_enable_accelerated_mode,
+	.enable_timing_synchronization = dcn10_enable_timing_synchronization,
+	.enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset,
+	.update_info_frame = dce110_update_info_frame,
+	.send_immediate_sdp_message = dcn10_send_immediate_sdp_message,
+	.enable_stream = dcn20_enable_stream,
+	.disable_stream = dce110_disable_stream,
+	.unblank_stream = dcn20_unblank_stream,
+	.blank_stream = dce110_blank_stream,
+	.enable_audio_stream = dce110_enable_audio_stream,
+	.disable_audio_stream = dce110_disable_audio_stream,
+	.disable_plane = dcn20_disable_plane,
+	.pipe_control_lock = dcn20_pipe_control_lock,
+	.interdependent_update_lock = dcn10_lock_all_pipes,
+	.cursor_lock = dcn10_cursor_lock,
+	.prepare_bandwidth = dcn20_prepare_bandwidth,
+	.optimize_bandwidth = dcn20_optimize_bandwidth,
+	.update_bandwidth = dcn20_update_bandwidth,
+	.set_drr = dcn10_set_drr,
+	.get_position = dcn10_get_position,
+	.set_static_screen_control = dcn10_set_static_screen_control,
+	.setup_stereo = dcn10_setup_stereo,
+	.set_avmute = dce110_set_avmute,
+	.log_hw_state = dcn10_log_hw_state,
+	.get_hw_state = dcn10_get_hw_state,
+	.log_color_state = dcn20_log_color_state,
+	.clear_status_bits = dcn10_clear_status_bits,
+	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.edp_power_control = dce110_edp_power_control,
+	.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
+	.set_cursor_position = dcn10_set_cursor_position,
+	.set_cursor_attribute = dcn10_set_cursor_attribute,
+	.set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
+	.setup_periodic_interrupt = dcn10_setup_periodic_interrupt,
+	.set_clock = dcn10_set_clock,
+	.get_clock = dcn10_get_clock,
+	.program_triplebuffer = dcn20_program_triple_buffer,
+	.enable_writeback = dcn20_enable_writeback,
+	.disable_writeback = dcn20_disable_writeback,
+	.dmdata_status_done = dcn20_dmdata_status_done,
+	.program_dmdata_engine = dcn20_program_dmdata_engine,
+	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
+	.init_sys_ctx = dcn21_init_sys_ctx,
+	.init_vm_ctx = dcn20_init_vm_ctx,
+	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
+	.optimize_pwr_state = dcn21_optimize_pwr_state,
+	.exit_optimized_pwr_state = dcn21_exit_optimized_pwr_state,
+	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+	.calc_vupdate_position = dcn10_calc_vupdate_position,
+	.set_backlight_level = dcn21_set_backlight_level,
+	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
+	.set_pipe = dcn21_set_pipe,
+	.enable_lvds_link_output = dce110_enable_lvds_link_output,
+	.enable_tmds_link_output = dce110_enable_tmds_link_output,
+	.enable_dp_link_output = dce110_enable_dp_link_output,
+	.disable_link_output = dce110_disable_link_output,
+	.is_abm_supported = dcn21_is_abm_supported,
+	.set_disp_pattern_generator = dcn20_set_disp_pattern_generator,
+	.get_dcc_en_bits = dcn10_get_dcc_en_bits,
+	.update_visual_confirm_color = dcn10_update_visual_confirm_color,
+};
+
+static const struct hwseq_private_funcs dcn21_private_funcs = {
+	.init_pipes = dcn10_init_pipes,
+	.plane_atomic_disconnect = dcn10_plane_atomic_disconnect,
+	.update_mpcc = dcn20_update_mpcc,
+	.set_input_transfer_func = dcn20_set_input_transfer_func,
+	.set_output_transfer_func = dcn20_set_output_transfer_func,
+	.power_down = dce110_power_down,
+	.enable_display_power_gating = dcn10_dummy_display_power_gating,
+	.blank_pixel_data = dcn20_blank_pixel_data,
+	.reset_hw_ctx_wrap = dcn20_reset_hw_ctx_wrap,
+	.enable_stream_timing = dcn20_enable_stream_timing,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.disable_stream_gating = dcn20_disable_stream_gating,
+	.enable_stream_gating = dcn20_enable_stream_gating,
+	.setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt,
+	.did_underflow_occur = dcn10_did_underflow_occur,
+	.init_blank = dcn20_init_blank,
+	.disable_vga = dcn20_disable_vga,
+	.bios_golden_init = dcn10_bios_golden_init,
+	.plane_atomic_disable = dcn20_plane_atomic_disable,
+	.plane_atomic_power_down = dcn10_plane_atomic_power_down,
+	.enable_power_gating_plane = dcn20_enable_power_gating_plane,
+	.dpp_pg_control = dcn20_dpp_pg_control,
+	.hubp_pg_control = dcn20_hubp_pg_control,
+	.update_odm = dcn20_update_odm,
+	.dsc_pg_control = dcn20_dsc_pg_control,
+	.set_hdr_multiplier = dcn10_set_hdr_multiplier,
+	.verify_allow_pstate_change_high = dcn10_verify_allow_pstate_change_high,
+	.s0i3_golden_init_wa = dcn21_s0i3_golden_init_wa,
+	.wait_for_blank_complete = dcn20_wait_for_blank_complete,
+	.dccg_init = dcn20_dccg_init,
+	.set_blend_lut = dcn20_set_blend_lut,
+	.set_shaper_3dlut = dcn20_set_shaper_3dlut,
+	.PLAT_58856_wa = dcn21_PLAT_58856_wa,
+};
+
+void dcn21_hw_sequencer_construct(struct dc *dc)
+{
+	dc->hwss = dcn21_funcs;
+	dc->hwseq->funcs = dcn21_private_funcs;
+
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_init.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_DCN21_INIT_H__
+#define __DC_DCN21_INIT_H__
+
+struct dc;
+
+void dcn21_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_DCN20_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.h

@@ -0,0 +1,119 @@
+/*
+* Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCN30_H__
+#define __DC_HWSS_DCN30_H__
+
+#include "hw_sequencer_private.h"
+
+struct dc;
+struct dc_underflow_debug_data;
+
+void dcn30_init_hw(struct dc *dc);
+void dcn30_program_all_writeback_pipes_in_tree(
+		struct dc *dc,
+		const struct dc_stream_state *stream,
+		struct dc_state *context);
+void dcn30_update_writeback(
+		struct dc *dc,
+		struct dc_writeback_info *wb_info,
+		struct dc_state *context);
+void dcn30_enable_writeback(
+		struct dc *dc,
+		struct dc_writeback_info *wb_info,
+		struct dc_state *context);
+void dcn30_disable_writeback(
+		struct dc *dc,
+		unsigned int dwb_pipe_inst);
+
+bool dcn30_mmhubbub_warmup(
+	struct dc *dc,
+	unsigned int num_dwb,
+	struct dc_writeback_info *wb_info);
+
+void dcn30_log_color_state(struct dc *dc,
+			   struct dc_log_buffer_ctx *log_ctx);
+
+bool dcn30_set_blend_lut(struct pipe_ctx *pipe_ctx,
+		const struct dc_plane_state *plane_state);
+
+bool dcn30_set_input_transfer_func(struct dc *dc,
+				struct pipe_ctx *pipe_ctx,
+				const struct dc_plane_state *plane_state);
+
+void dcn30_program_gamut_remap(struct pipe_ctx *pipe_ctx);
+
+bool dcn30_set_output_transfer_func(struct dc *dc,
+				struct pipe_ctx *pipe_ctx,
+				const struct dc_stream_state *stream);
+void dcn30_set_avmute(struct pipe_ctx *pipe_ctx, bool enable);
+void dcn30_update_info_frame(struct pipe_ctx *pipe_ctx);
+void dcn30_program_dmdata_engine(struct pipe_ctx *pipe_ctx);
+
+enum dc_status dcn30_setup_hdmi_frl_link(
+		struct dc_link *link,
+		int hpo_inst,
+		enum clock_source_id frl_phy_clock_source_id);
+void dcn30_hw_set_fva_vrr_adj(struct dc *dc, struct pipe_ctx **pipe_ctx, int num_pipes,
+		struct fva_adj *fva_adj,
+		struct dc_crtc_timing_adjust *vrr_adj);
+
+int dcn30_hw_get_max_fva_factor(struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		struct dc_crtc_timing *timing,
+		unsigned int max_pixel_clock);
+
+bool dcn30_does_plane_fit_in_mall(struct dc *dc,
+		unsigned int pitch,
+		unsigned int height,
+		enum surface_pixel_format format,
+		struct dc_cursor_attributes *cursor_attr);
+
+bool dcn30_apply_idle_power_optimizations(struct dc *dc, bool enable);
+
+void dcn30_hardware_release(struct dc *dc);
+
+void dcn30_set_disp_pattern_generator(const struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		enum controller_dp_test_pattern test_pattern,
+		enum controller_dp_color_space color_space,
+		enum dc_color_depth color_depth,
+		const struct tg_color *solid_color,
+		int width, int height, int offset);
+
+void dcn30_set_hubp_blank(const struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		bool blank_enable);
+
+void dcn30_prepare_bandwidth(struct dc *dc,
+	struct dc_state *context);
+
+void dcn30_wait_for_all_pending_updates(const struct pipe_ctx *pipe_ctx);
+
+void dcn30_get_underflow_debug_data(const struct dc *dc,
+	struct timing_generator *tg,
+	struct dc_underflow_debug_data *out_data);
+
+#endif /* __DC_HWSS_DCN30_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_init.c

@@ -0,0 +1,158 @@
+/*
+ * Copyright 2016-2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dce110/dce110_hwseq.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "dcn20/dcn20_hwseq.h"
+#include "dcn21/dcn21_hwseq.h"
+#include "dcn30/dcn30_hwseq.h"
+
+#include "dcn30_init.h"
+
+static const struct hw_sequencer_funcs dcn30_funcs = {
+	.program_gamut_remap = dcn30_program_gamut_remap,
+	.init_hw = dcn30_init_hw,
+	.apply_ctx_to_hw = dce110_apply_ctx_to_hw,
+	.apply_ctx_for_surface = NULL,
+	.program_front_end_for_ctx = dcn20_program_front_end_for_ctx,
+	.clear_surface_dcc_and_tiling = dcn10_reset_surface_dcc_and_tiling,
+	.wait_for_pending_cleared = dcn10_wait_for_pending_cleared,
+	.post_unlock_program_front_end = dcn20_post_unlock_program_front_end,
+	.update_plane_addr = dcn20_update_plane_addr,
+	.update_dchub = dcn10_update_dchub,
+	.update_pending_status = dcn10_update_pending_status,
+	.program_output_csc = dcn20_program_output_csc,
+	.enable_accelerated_mode = dce110_enable_accelerated_mode,
+	.enable_timing_synchronization = dcn10_enable_timing_synchronization,
+	.enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset,
+	.update_info_frame = dcn30_update_info_frame,
+	.send_immediate_sdp_message = dcn10_send_immediate_sdp_message,
+	.enable_stream = dcn20_enable_stream,
+	.disable_stream = dce110_disable_stream,
+	.unblank_stream = dcn20_unblank_stream,
+	.blank_stream = dce110_blank_stream,
+	.enable_audio_stream = dce110_enable_audio_stream,
+	.disable_audio_stream = dce110_disable_audio_stream,
+	.disable_plane = dcn20_disable_plane,
+	.disable_pixel_data = dcn20_disable_pixel_data,
+	.pipe_control_lock = dcn20_pipe_control_lock,
+	.interdependent_update_lock = dcn10_lock_all_pipes,
+	.cursor_lock = dcn10_cursor_lock,
+	.prepare_bandwidth = dcn30_prepare_bandwidth,
+	.optimize_bandwidth = dcn20_optimize_bandwidth,
+	.update_bandwidth = dcn20_update_bandwidth,
+	.set_drr = dcn10_set_drr,
+	.get_position = dcn10_get_position,
+	.set_static_screen_control = dcn10_set_static_screen_control,
+	.setup_stereo = dcn10_setup_stereo,
+	.set_avmute = dcn30_set_avmute,
+	.log_hw_state = dcn10_log_hw_state,
+	.log_color_state = dcn30_log_color_state,
+	.get_hw_state = dcn10_get_hw_state,
+	.clear_status_bits = dcn10_clear_status_bits,
+	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.edp_power_control = dce110_edp_power_control,
+	.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
+	.edp_wait_for_T12 = dce110_edp_wait_for_T12,
+	.set_cursor_position = dcn10_set_cursor_position,
+	.set_cursor_attribute = dcn10_set_cursor_attribute,
+	.set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
+	.setup_periodic_interrupt = dcn10_setup_periodic_interrupt,
+	.set_clock = dcn10_set_clock,
+	.get_clock = dcn10_get_clock,
+	.program_triplebuffer = dcn20_program_triple_buffer,
+	.enable_writeback = dcn30_enable_writeback,
+	.disable_writeback = dcn30_disable_writeback,
+	.update_writeback = dcn30_update_writeback,
+	.dmdata_status_done = dcn20_dmdata_status_done,
+	.program_dmdata_engine = dcn30_program_dmdata_engine,
+	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
+	.init_sys_ctx = dcn20_init_sys_ctx,
+	.init_vm_ctx = dcn20_init_vm_ctx,
+	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
+	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+	.calc_vupdate_position = dcn10_calc_vupdate_position,
+	.apply_idle_power_optimizations = dcn30_apply_idle_power_optimizations,
+	.does_plane_fit_in_mall = dcn30_does_plane_fit_in_mall,
+	.set_backlight_level = dcn21_set_backlight_level,
+	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
+	.hardware_release = dcn30_hardware_release,
+	.set_pipe = dcn21_set_pipe,
+	.enable_lvds_link_output = dce110_enable_lvds_link_output,
+	.enable_tmds_link_output = dce110_enable_tmds_link_output,
+	.enable_dp_link_output = dce110_enable_dp_link_output,
+	.disable_link_output = dce110_disable_link_output,
+	.setup_hdmi_frl_link = dcn30_setup_hdmi_frl_link,
+	.set_disp_pattern_generator = dcn30_set_disp_pattern_generator,
+	.get_dcc_en_bits = dcn10_get_dcc_en_bits,
+	.update_visual_confirm_color = dcn10_update_visual_confirm_color,
+	.is_abm_supported = dcn21_is_abm_supported,
+	.wait_for_all_pending_updates = dcn30_wait_for_all_pending_updates,
+	.get_underflow_debug_data = dcn30_get_underflow_debug_data,
+};
+
+static const struct hwseq_private_funcs dcn30_private_funcs = {
+	.init_pipes = dcn10_init_pipes,
+	.plane_atomic_disconnect = dcn10_plane_atomic_disconnect,
+	.update_mpcc = dcn20_update_mpcc,
+	.set_input_transfer_func = dcn30_set_input_transfer_func,
+	.set_output_transfer_func = dcn30_set_output_transfer_func,
+	.power_down = dce110_power_down,
+	.enable_display_power_gating = dcn10_dummy_display_power_gating,
+	.blank_pixel_data = dcn20_blank_pixel_data,
+	.reset_hw_ctx_wrap = dcn20_reset_hw_ctx_wrap,
+	.enable_stream_timing = dcn20_enable_stream_timing,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.disable_stream_gating = dcn20_disable_stream_gating,
+	.enable_stream_gating = dcn20_enable_stream_gating,
+	.setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt,
+	.did_underflow_occur = dcn10_did_underflow_occur,
+	.init_blank = dcn20_init_blank,
+	.disable_vga = dcn20_disable_vga,
+	.bios_golden_init = dcn10_bios_golden_init,
+	.plane_atomic_disable = dcn20_plane_atomic_disable,
+	.plane_atomic_power_down = dcn10_plane_atomic_power_down,
+	.enable_power_gating_plane = dcn20_enable_power_gating_plane,
+	.dpp_pg_control = dcn20_dpp_pg_control,
+	.hubp_pg_control = dcn20_hubp_pg_control,
+	.program_all_writeback_pipes_in_tree = dcn30_program_all_writeback_pipes_in_tree,
+	.update_odm = dcn20_update_odm,
+	.dsc_pg_control = dcn20_dsc_pg_control,
+	.set_hdr_multiplier = dcn10_set_hdr_multiplier,
+	.verify_allow_pstate_change_high = dcn10_verify_allow_pstate_change_high,
+	.wait_for_blank_complete = dcn20_wait_for_blank_complete,
+	.set_blend_lut = dcn30_set_blend_lut,
+	.set_shaper_3dlut = dcn20_set_shaper_3dlut,
+	.wait_for_pipe_update_if_needed = dcn10_wait_for_pipe_update_if_needed,
+	.set_wait_for_update_needed_for_pipe = dcn10_set_wait_for_update_needed_for_pipe,
+};
+
+void dcn30_hw_sequencer_construct(struct dc *dc)
+{
+	dc->hwss = dcn30_funcs;
+	dc->hwseq->funcs = dcn30_private_funcs;
+
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_init.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_DCN30_INIT_H__
+#define __DC_DCN30_INIT_H__
+
+struct dc;
+
+void dcn30_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_DCN30_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn301/dcn301_hwseq.c

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "core_types.h"
+#include "dce/dce_hwseq.h"
+#include "dcn301_hwseq.h"
+#include "reg_helper.h"
+
+#define DC_LOGGER_INIT(logger)
+
+#define CTX \
+	hws->ctx
+#define REG(reg)\
+	hws->regs->reg
+
+#undef FN
+#define FN(reg_name, field_name) \
+	hws->shifts->field_name, hws->masks->field_name
+
+

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn301/dcn301_hwseq.h

@@ -0,0 +1,32 @@
+/*
+* Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCN301_H__
+#define __DC_HWSS_DCN301_H__
+
+#include "hw_sequencer_private.h"
+
+
+#endif /* __DC_HWSS_DCN301_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn301/dcn301_init.c

@@ -0,0 +1,153 @@
+/*
+ * Copyright 2016-2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dce110/dce110_hwseq.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "dcn20/dcn20_hwseq.h"
+#include "dcn21/dcn21_hwseq.h"
+#include "dcn30/dcn30_hwseq.h"
+#include "dcn301/dcn301_hwseq.h"
+
+#include "dcn301_init.h"
+
+static const struct hw_sequencer_funcs dcn301_funcs = {
+	.program_gamut_remap = dcn30_program_gamut_remap,
+	.init_hw = dcn10_init_hw,
+	.power_down_on_boot = dcn10_power_down_on_boot,
+	.apply_ctx_to_hw = dce110_apply_ctx_to_hw,
+	.apply_ctx_for_surface = NULL,
+	.program_front_end_for_ctx = dcn20_program_front_end_for_ctx,
+	.clear_surface_dcc_and_tiling = dcn10_reset_surface_dcc_and_tiling,
+	.wait_for_pending_cleared = dcn10_wait_for_pending_cleared,
+	.post_unlock_program_front_end = dcn20_post_unlock_program_front_end,
+	.update_plane_addr = dcn20_update_plane_addr,
+	.update_dchub = dcn10_update_dchub,
+	.update_pending_status = dcn10_update_pending_status,
+	.program_output_csc = dcn20_program_output_csc,
+	.enable_accelerated_mode = dce110_enable_accelerated_mode,
+	.enable_timing_synchronization = dcn10_enable_timing_synchronization,
+	.enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset,
+	.update_info_frame = dcn30_update_info_frame,
+	.send_immediate_sdp_message = dcn10_send_immediate_sdp_message,
+	.enable_stream = dcn20_enable_stream,
+	.disable_stream = dce110_disable_stream,
+	.unblank_stream = dcn20_unblank_stream,
+	.blank_stream = dce110_blank_stream,
+	.enable_audio_stream = dce110_enable_audio_stream,
+	.disable_audio_stream = dce110_disable_audio_stream,
+	.disable_plane = dcn20_disable_plane,
+	.pipe_control_lock = dcn20_pipe_control_lock,
+	.interdependent_update_lock = dcn10_lock_all_pipes,
+	.cursor_lock = dcn10_cursor_lock,
+	.prepare_bandwidth = dcn20_prepare_bandwidth,
+	.optimize_bandwidth = dcn20_optimize_bandwidth,
+	.update_bandwidth = dcn20_update_bandwidth,
+	.set_drr = dcn10_set_drr,
+	.get_position = dcn10_get_position,
+	.set_static_screen_control = dcn10_set_static_screen_control,
+	.setup_stereo = dcn10_setup_stereo,
+	.set_avmute = dcn30_set_avmute,
+	.log_hw_state = dcn10_log_hw_state,
+	.log_color_state = dcn30_log_color_state,
+	.get_hw_state = dcn10_get_hw_state,
+	.clear_status_bits = dcn10_clear_status_bits,
+	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.edp_power_control = dce110_edp_power_control,
+	.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
+	.set_cursor_position = dcn10_set_cursor_position,
+	.set_cursor_attribute = dcn10_set_cursor_attribute,
+	.set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
+	.setup_periodic_interrupt = dcn10_setup_periodic_interrupt,
+	.set_clock = dcn10_set_clock,
+	.get_clock = dcn10_get_clock,
+	.program_triplebuffer = dcn20_program_triple_buffer,
+	.enable_writeback = dcn30_enable_writeback,
+	.disable_writeback = dcn30_disable_writeback,
+	.update_writeback = dcn30_update_writeback,
+	.dmdata_status_done = dcn20_dmdata_status_done,
+	.program_dmdata_engine = dcn30_program_dmdata_engine,
+	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
+	.init_sys_ctx = dcn20_init_sys_ctx,
+	.init_vm_ctx = dcn20_init_vm_ctx,
+	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
+	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+	.calc_vupdate_position = dcn10_calc_vupdate_position,
+	.set_backlight_level = dcn21_set_backlight_level,
+	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
+	.set_pipe = dcn21_set_pipe,
+	.enable_lvds_link_output = dce110_enable_lvds_link_output,
+	.enable_tmds_link_output = dce110_enable_tmds_link_output,
+	.enable_dp_link_output = dce110_enable_dp_link_output,
+	.disable_link_output = dce110_disable_link_output,
+	.set_disp_pattern_generator = dcn30_set_disp_pattern_generator,
+	.get_dcc_en_bits = dcn10_get_dcc_en_bits,
+	.optimize_pwr_state = dcn21_optimize_pwr_state,
+	.exit_optimized_pwr_state = dcn21_exit_optimized_pwr_state,
+	.update_visual_confirm_color = dcn10_update_visual_confirm_color,
+	.wait_for_all_pending_updates = dcn30_wait_for_all_pending_updates,
+};
+
+static const struct hwseq_private_funcs dcn301_private_funcs = {
+	.init_pipes = dcn10_init_pipes,
+	.plane_atomic_disconnect = dcn10_plane_atomic_disconnect,
+	.update_mpcc = dcn20_update_mpcc,
+	.set_input_transfer_func = dcn30_set_input_transfer_func,
+	.set_output_transfer_func = dcn30_set_output_transfer_func,
+	.power_down = dce110_power_down,
+	.enable_display_power_gating = dcn10_dummy_display_power_gating,
+	.blank_pixel_data = dcn20_blank_pixel_data,
+	.reset_hw_ctx_wrap = dcn20_reset_hw_ctx_wrap,
+	.enable_stream_timing = dcn20_enable_stream_timing,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.disable_stream_gating = dcn20_disable_stream_gating,
+	.enable_stream_gating = dcn20_enable_stream_gating,
+	.setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt,
+	.did_underflow_occur = dcn10_did_underflow_occur,
+	.init_blank = dcn20_init_blank,
+	.disable_vga = dcn20_disable_vga,
+	.bios_golden_init = dcn10_bios_golden_init,
+	.plane_atomic_disable = dcn20_plane_atomic_disable,
+	.plane_atomic_power_down = dcn10_plane_atomic_power_down,
+	.enable_power_gating_plane = dcn20_enable_power_gating_plane,
+	.dpp_pg_control = dcn20_dpp_pg_control,
+	.hubp_pg_control = dcn20_hubp_pg_control,
+	.program_all_writeback_pipes_in_tree = dcn30_program_all_writeback_pipes_in_tree,
+	.update_odm = dcn20_update_odm,
+	.dsc_pg_control = dcn20_dsc_pg_control,
+	.set_hdr_multiplier = dcn10_set_hdr_multiplier,
+	.verify_allow_pstate_change_high = dcn10_verify_allow_pstate_change_high,
+	.wait_for_blank_complete = dcn20_wait_for_blank_complete,
+	.set_blend_lut = dcn30_set_blend_lut,
+	.set_shaper_3dlut = dcn20_set_shaper_3dlut,
+	.wait_for_pipe_update_if_needed = dcn10_wait_for_pipe_update_if_needed,
+	.set_wait_for_update_needed_for_pipe = dcn10_set_wait_for_update_needed_for_pipe,
+};
+
+void dcn301_hw_sequencer_construct(struct dc *dc)
+{
+	dc->hwss = dcn301_funcs;
+	dc->hwseq->funcs = dcn301_private_funcs;
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn301/dcn301_init.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_DCN301_INIT_H__
+#define __DC_DCN301_INIT_H__
+
+struct dc;
+
+void dcn301_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_DCN30_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn302/dcn302_hwseq.c

@@ -0,0 +1,223 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dcn302_hwseq.h"
+
+#include "dce/dce_hwseq.h"
+
+#include "reg_helper.h"
+#include "dc.h"
+
+#define DC_LOGGER_INIT(logger)
+
+#define CTX \
+	hws->ctx
+#define REG(reg)\
+	hws->regs->reg
+
+#undef FN
+#define FN(reg_name, field_name) \
+	hws->shifts->field_name, hws->masks->field_name
+
+
+void dcn302_dpp_pg_control(struct dce_hwseq *hws, unsigned int dpp_inst, bool power_on)
+{
+	uint32_t power_gate = power_on ? 0 : 1;
+	uint32_t pwr_status = power_on ? 0 : 2;
+
+	if (hws->ctx->dc->debug.disable_dpp_power_gate)
+		return;
+	if (REG(DOMAIN1_PG_CONFIG) == 0)
+		return;
+
+	switch (dpp_inst) {
+	case 0: /* DPP0 */
+		REG_UPDATE(DOMAIN1_PG_CONFIG,
+				DOMAIN1_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN1_PG_STATUS,
+				DOMAIN1_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 1: /* DPP1 */
+		REG_UPDATE(DOMAIN3_PG_CONFIG,
+				DOMAIN3_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN3_PG_STATUS,
+				DOMAIN3_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 2: /* DPP2 */
+		REG_UPDATE(DOMAIN5_PG_CONFIG,
+				DOMAIN5_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN5_PG_STATUS,
+				DOMAIN5_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 3: /* DPP3 */
+		REG_UPDATE(DOMAIN7_PG_CONFIG,
+				DOMAIN7_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN7_PG_STATUS,
+				DOMAIN7_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 4: /* DPP4 */
+		REG_UPDATE(DOMAIN9_PG_CONFIG,
+				DOMAIN9_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN9_PG_STATUS,
+				DOMAIN9_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	default:
+		BREAK_TO_DEBUGGER();
+		break;
+	}
+}
+
+void dcn302_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on)
+{
+	uint32_t power_gate = power_on ? 0 : 1;
+	uint32_t pwr_status = power_on ? 0 : 2;
+
+	if (hws->ctx->dc->debug.disable_hubp_power_gate)
+		return;
+	if (REG(DOMAIN0_PG_CONFIG) == 0)
+		return;
+
+	switch (hubp_inst) {
+	case 0: /* DCHUBP0 */
+		REG_UPDATE(DOMAIN0_PG_CONFIG,
+				DOMAIN0_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN0_PG_STATUS,
+				DOMAIN0_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 1: /* DCHUBP1 */
+		REG_UPDATE(DOMAIN2_PG_CONFIG,
+				DOMAIN2_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN2_PG_STATUS,
+				DOMAIN2_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 2: /* DCHUBP2 */
+		REG_UPDATE(DOMAIN4_PG_CONFIG,
+				DOMAIN4_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN4_PG_STATUS,
+				DOMAIN4_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 3: /* DCHUBP3 */
+		REG_UPDATE(DOMAIN6_PG_CONFIG,
+				DOMAIN6_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN6_PG_STATUS,
+				DOMAIN6_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 4: /* DCHUBP4 */
+		REG_UPDATE(DOMAIN8_PG_CONFIG,
+				DOMAIN8_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN8_PG_STATUS,
+				DOMAIN8_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	default:
+		BREAK_TO_DEBUGGER();
+		break;
+	}
+}
+
+void dcn302_dsc_pg_control(struct dce_hwseq *hws, unsigned int dsc_inst, bool power_on)
+{
+	uint32_t power_gate = power_on ? 0 : 1;
+	uint32_t pwr_status = power_on ? 0 : 2;
+	uint32_t org_ip_request_cntl = 0;
+
+	if (hws->ctx->dc->debug.disable_dsc_power_gate)
+		return;
+
+	if (REG(DOMAIN16_PG_CONFIG) == 0)
+		return;
+
+	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
+	if (org_ip_request_cntl == 0)
+		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
+
+	switch (dsc_inst) {
+	case 0: /* DSC0 */
+		REG_UPDATE(DOMAIN16_PG_CONFIG,
+				DOMAIN16_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN16_PG_STATUS,
+				DOMAIN16_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 1: /* DSC1 */
+		REG_UPDATE(DOMAIN17_PG_CONFIG,
+				DOMAIN17_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN17_PG_STATUS,
+				DOMAIN17_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 2: /* DSC2 */
+		REG_UPDATE(DOMAIN18_PG_CONFIG,
+				DOMAIN18_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN18_PG_STATUS,
+				DOMAIN18_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 3: /* DSC3 */
+		REG_UPDATE(DOMAIN19_PG_CONFIG,
+				DOMAIN19_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN19_PG_STATUS,
+				DOMAIN19_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 4: /* DSC4 */
+		REG_UPDATE(DOMAIN20_PG_CONFIG,
+				DOMAIN20_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN20_PG_STATUS,
+				DOMAIN20_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	default:
+		BREAK_TO_DEBUGGER();
+		break;
+	}
+
+	if (org_ip_request_cntl == 0)
+		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn302/dcn302_hwseq.h

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCN302_H__
+#define __DC_HWSS_DCN302_H__
+
+#include "hw_sequencer_private.h"
+
+void dcn302_dpp_pg_control(struct dce_hwseq *hws, unsigned int dpp_inst, bool power_on);
+void dcn302_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on);
+void dcn302_dsc_pg_control(struct dce_hwseq *hws, unsigned int dsc_inst, bool power_on);
+
+#endif /* __DC_HWSS_DCN302_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn302/dcn302_init.c

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dcn302/dcn302_hwseq.h"
+
+#include "dcn30/dcn30_init.h"
+
+#include "dc.h"
+
+#include "dcn302_init.h"
+
+void dcn302_hw_sequencer_construct(struct dc *dc)
+{
+	dcn30_hw_sequencer_construct(dc);
+
+	dc->hwseq->funcs.dpp_pg_control = dcn302_dpp_pg_control;
+	dc->hwseq->funcs.hubp_pg_control = dcn302_hubp_pg_control;
+	dc->hwseq->funcs.dsc_pg_control = dcn302_dsc_pg_control;
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn302/dcn302_init.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_DCN302_INIT_H__
+#define __DC_DCN302_INIT_H__
+
+struct dc;
+
+void dcn302_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_DCN302_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn303/dcn303_hwseq.c

@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright (C) 2021 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dcn303_hwseq.h"
+
+#include "dce/dce_hwseq.h"
+
+#include "reg_helper.h"
+#include "dc.h"
+
+#define DC_LOGGER_INIT(logger)
+
+#define CTX \
+	hws->ctx
+#define REG(reg)\
+	hws->regs->reg
+
+#undef FN
+#define FN(reg_name, field_name) \
+	hws->shifts->field_name, hws->masks->field_name
+
+
+void dcn303_dpp_pg_control(struct dce_hwseq *hws, unsigned int dpp_inst, bool power_on)
+{
+	(void)dpp_inst;
+	(void)hws;
+	(void)power_on;
+	/*DCN303 removes PG registers*/
+}
+
+void dcn303_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on)
+{
+	(void)hubp_inst;
+	(void)hws;
+	(void)power_on;
+	/*DCN303 removes PG registers*/
+}
+
+void dcn303_dsc_pg_control(struct dce_hwseq *hws, unsigned int dsc_inst, bool power_on)
+{
+	(void)dsc_inst;
+	(void)hws;
+	(void)power_on;
+	/*DCN303 removes PG registers*/
+}
+
+void dcn303_enable_power_gating_plane(struct dce_hwseq *hws, bool enable)
+{
+	(void)enable;
+	(void)hws;
+	/*DCN303 removes PG registers*/
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn303/dcn303_hwseq.h

@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright (C) 2021 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCN303_H__
+#define __DC_HWSS_DCN303_H__
+
+#include "hw_sequencer_private.h"
+
+void dcn303_dpp_pg_control(struct dce_hwseq *hws, unsigned int dpp_inst, bool power_on);
+void dcn303_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on);
+void dcn303_dsc_pg_control(struct dce_hwseq *hws, unsigned int dsc_inst, bool power_on);
+void dcn303_enable_power_gating_plane(struct dce_hwseq *hws, bool enable);
+
+#endif /* __DC_HWSS_DCN303_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn303/dcn303_init.c

@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright (C) 2021 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ */
+
+#include "dcn303/dcn303_hwseq.h"
+#include "dcn30/dcn30_init.h"
+#include "dc.h"
+
+#include "dcn303_init.h"
+
+void dcn303_hw_sequencer_construct(struct dc *dc)
+{
+	dcn30_hw_sequencer_construct(dc);
+
+	dc->hwseq->funcs.dpp_pg_control = dcn303_dpp_pg_control;
+	dc->hwseq->funcs.hubp_pg_control = dcn303_hubp_pg_control;
+	dc->hwseq->funcs.dsc_pg_control = dcn303_dsc_pg_control;
+	dc->hwseq->funcs.enable_power_gating_plane = dcn303_enable_power_gating_plane;
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn303/dcn303_init.h

@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright (C) 2021 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ */
+
+#ifndef __DC_DCN303_INIT_H__
+#define __DC_DCN303_INIT_H__
+
+struct dc;
+
+void dcn303_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_DCN303_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c

@@ -0,0 +1,745 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+
+#include "dm_services.h"
+#include "dm_helpers.h"
+#include "core_types.h"
+#include "resource.h"
+#include "dccg.h"
+#include "dce/dce_hwseq.h"
+#include "clk_mgr.h"
+#include "reg_helper.h"
+#include "dcn10/dcn10_hubbub.h"
+#include "abm.h"
+#include "hubp.h"
+#include "dchubbub.h"
+#include "timing_generator.h"
+#include "opp.h"
+#include "ipp.h"
+#include "mpc.h"
+#include "mcif_wb.h"
+#include "dc_dmub_srv.h"
+#include "dcn31_hwseq.h"
+#include "link_hwss.h"
+#include "dpcd_defs.h"
+#include "dce/dmub_outbox.h"
+#include "link_service.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "dcn21/dcn21_hwseq.h"
+#include "inc/link_enc_cfg.h"
+#include "dcn30/dcn30_vpg.h"
+#include "dce/dce_i2c_hw.h"
+#include "dce/dmub_abm_lcd.h"
+#include "dio/dcn10/dcn10_dio.h"
+
+#define DC_LOGGER_INIT(logger)
+
+#define CTX \
+	hws->ctx
+#define REG(reg)\
+	hws->regs->reg
+#define DC_LOGGER \
+		dc->ctx->logger
+
+
+#undef FN
+#define FN(reg_name, field_name) \
+	hws->shifts->field_name, hws->masks->field_name
+
+static void enable_memory_low_power(struct dc *dc)
+{
+	struct dce_hwseq *hws = dc->hwseq;
+	unsigned int i;
+
+	if (dc->debug.enable_mem_low_power.bits.dmcu) {
+		// Force ERAM to shutdown if DMCU is not enabled
+		if (dc->debug.disable_dmcu || dc->config.disable_dmcu) {
+			REG_UPDATE(DMU_MEM_PWR_CNTL, DMCU_ERAM_MEM_PWR_FORCE, 3);
+		}
+	}
+
+	// Set default OPTC memory power states
+	if (dc->debug.enable_mem_low_power.bits.optc) {
+		// Shutdown when unassigned and light sleep in VBLANK
+		REG_SET_2(ODM_MEM_PWR_CTRL3, 0, ODM_MEM_UNASSIGNED_PWR_MODE, 3, ODM_MEM_VBLANK_PWR_MODE, 1);
+	}
+
+	if (dc->debug.enable_mem_low_power.bits.vga) {
+		// Power down VGA memory
+		REG_UPDATE(MMHUBBUB_MEM_PWR_CNTL, VGA_MEM_PWR_FORCE, 1);
+	}
+
+	if (dc->debug.enable_mem_low_power.bits.mpc &&
+		dc->res_pool->mpc->funcs->set_mpc_mem_lp_mode)
+		dc->res_pool->mpc->funcs->set_mpc_mem_lp_mode(dc->res_pool->mpc);
+
+
+	if (dc->debug.enable_mem_low_power.bits.vpg && dc->res_pool->stream_enc[0]->vpg->funcs->vpg_powerdown) {
+		// Power down VPGs
+		for (i = 0; i < dc->res_pool->stream_enc_count; i++)
+			if (dc->res_pool->stream_enc[i]->vpg)
+				dc->res_pool->stream_enc[i]->vpg->funcs->vpg_powerdown(dc->res_pool->stream_enc[i]->vpg);
+		for (i = 0; i < dc->res_pool->hpo_dp_stream_enc_count; i++)
+			dc->res_pool->hpo_dp_stream_enc[i]->vpg->funcs->vpg_powerdown(dc->res_pool->hpo_dp_stream_enc[i]->vpg);
+		for (i = 0; i < dc->res_pool->hpo_frl_stream_enc_count; i++)
+			dc->res_pool->hpo_frl_stream_enc[i]->vpg->funcs->vpg_powerdown(dc->res_pool->hpo_frl_stream_enc[i]->vpg);
+	}
+
+}
+
+void dcn31_init_hw(struct dc *dc)
+{
+	struct abm **abms = dc->res_pool->multiple_abms;
+	struct dce_hwseq *hws = dc->hwseq;
+	struct dc_bios *dcb = dc->ctx->dc_bios;
+	struct resource_pool *res_pool = dc->res_pool;
+	uint32_t backlight = MAX_BACKLIGHT_LEVEL;
+	uint32_t user_level = MAX_BACKLIGHT_LEVEL;
+	unsigned int i;
+
+	if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
+		dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
+
+	if (!dcb->funcs->is_accelerated_mode(dcb)) {
+		hws->funcs.bios_golden_init(dc);
+		if (hws->funcs.disable_vga)
+			hws->funcs.disable_vga(dc->hwseq);
+	}
+	// Initialize the dccg
+	if (res_pool->dccg->funcs->dccg_init)
+		res_pool->dccg->funcs->dccg_init(res_pool->dccg);
+
+	enable_memory_low_power(dc);
+
+	if (dc->ctx->dc_bios->fw_info_valid) {
+		res_pool->ref_clocks.xtalin_clock_inKhz =
+				dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency;
+
+		if (res_pool->hubbub) {
+
+			(res_pool->dccg->funcs->get_dccg_ref_freq)(res_pool->dccg,
+					dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency,
+					&res_pool->ref_clocks.dccg_ref_clock_inKhz);
+
+			(res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub,
+					res_pool->ref_clocks.dccg_ref_clock_inKhz,
+					&res_pool->ref_clocks.dchub_ref_clock_inKhz);
+		} else {
+			// Not all ASICs have DCCG sw component
+			res_pool->ref_clocks.dccg_ref_clock_inKhz =
+					res_pool->ref_clocks.xtalin_clock_inKhz;
+			res_pool->ref_clocks.dchub_ref_clock_inKhz =
+					res_pool->ref_clocks.xtalin_clock_inKhz;
+		}
+	} else
+		ASSERT_CRITICAL(false);
+
+	for (i = 0; i < dc->link_count; i++) {
+		/* Power up AND update implementation according to the
+		 * required signal (which may be different from the
+		 * default signal on connector).
+		 */
+		struct dc_link *link = dc->links[i];
+
+		if (link->ep_type != DISPLAY_ENDPOINT_PHY)
+			continue;
+
+		link->link_enc->funcs->hw_init(link->link_enc);
+
+		/* Check for enabled DIG to identify enabled display */
+		if (link->link_enc->funcs->is_dig_enabled &&
+			link->link_enc->funcs->is_dig_enabled(link->link_enc)) {
+			link->link_status.link_active = true;
+			if (link->link_enc->funcs->fec_is_active &&
+					link->link_enc->funcs->fec_is_active(link->link_enc))
+				link->fec_state = dc_link_fec_enabled;
+		}
+	}
+
+	/* we want to turn off all dp displays before doing detection */
+	dc->link_srv->blank_all_dp_displays(dc);
+
+	if (hws->funcs.enable_power_gating_plane)
+		hws->funcs.enable_power_gating_plane(dc->hwseq, true);
+
+	/* If taking control over from VBIOS, we may want to optimize our first
+	 * mode set, so we need to skip powering down pipes until we know which
+	 * pipes we want to use.
+	 * Otherwise, if taking control is not possible, we need to power
+	 * everything down.
+	 */
+	if (dcb->funcs->is_accelerated_mode(dcb) || !dc->config.seamless_boot_edp_requested) {
+
+		// we want to turn off edp displays if odm is enabled and no seamless boot
+		if (!dc->caps.seamless_odm) {
+			for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
+				struct timing_generator *tg = dc->res_pool->timing_generators[i];
+				uint32_t num_opps, opp_id_src0, opp_id_src1;
+
+				num_opps = 1;
+				if (tg) {
+					if (tg->funcs->is_tg_enabled(tg) && tg->funcs->get_optc_source) {
+						tg->funcs->get_optc_source(tg, &num_opps,
+								&opp_id_src0, &opp_id_src1);
+					}
+				}
+
+				if (num_opps > 1) {
+					dc->link_srv->blank_all_edp_displays(dc);
+					break;
+				}
+			}
+		}
+
+		hws->funcs.init_pipes(dc, dc->current_state);
+		if (dc->res_pool->hubbub->funcs->allow_self_refresh_control)
+			dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub,
+					!dc->res_pool->hubbub->ctx->dc->debug.disable_stutter);
+	}
+
+	for (i = 0; i < res_pool->audio_count; i++) {
+		struct audio *audio = res_pool->audios[i];
+
+		audio->funcs->hw_init(audio);
+	}
+
+	for (i = 0; i < dc->link_count; i++) {
+		struct dc_link *link = dc->links[i];
+
+		if (link->panel_cntl) {
+			backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl);
+			user_level = link->panel_cntl->stored_backlight_registers.USER_LEVEL;
+		}
+	}
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		if (abms[i] != NULL)
+			abms[i]->funcs->abm_init(abms[i], backlight, user_level);
+	}
+
+	/* Power on DIO memory (AFMT HDMI) and set I2C to light sleep */
+	if (dc->res_pool->dio && dc->res_pool->dio->funcs->mem_pwr_ctrl)
+		dc->res_pool->dio->funcs->mem_pwr_ctrl(dc->res_pool->dio, dc->debug.enable_mem_low_power.bits.i2c);
+
+	if (hws->funcs.setup_hpo_hw_control)
+		hws->funcs.setup_hpo_hw_control(hws, false);
+
+	if (!dc->debug.disable_clock_gate) {
+		/* enable all DCN clock gating */
+		if (dc->res_pool->dccg && dc->res_pool->dccg->funcs && dc->res_pool->dccg->funcs->allow_clock_gating)
+			dc->res_pool->dccg->funcs->allow_clock_gating(dc->res_pool->dccg, true);
+
+		REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
+	}
+
+	if (!dcb->funcs->is_accelerated_mode(dcb) && dc->res_pool->hubbub->funcs->init_watermarks)
+		dc->res_pool->hubbub->funcs->init_watermarks(dc->res_pool->hubbub);
+
+	if (dc->clk_mgr && dc->clk_mgr->funcs->notify_wm_ranges)
+		dc->clk_mgr->funcs->notify_wm_ranges(dc->clk_mgr);
+
+	if (dc->clk_mgr && dc->clk_mgr->funcs->set_hard_max_memclk && !dc->clk_mgr->dc_mode_softmax_enabled)
+		dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr);
+
+	if (dc->res_pool->hubbub->funcs->force_pstate_change_control)
+		dc->res_pool->hubbub->funcs->force_pstate_change_control(
+				dc->res_pool->hubbub, false, false);
+#if defined(CONFIG_DRM_AMD_DC_FP)
+	if (dc->res_pool->hubbub->funcs->init_crb)
+		dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub);
+#endif
+
+	// Get DMCUB capabilities
+	dc_dmub_srv_query_caps_cmd(dc->ctx->dmub_srv);
+	dc->caps.dmub_caps.psr = dc->ctx->dmub_srv->dmub->feature_caps.psr;
+	dc->caps.dmub_caps.mclk_sw = dc->ctx->dmub_srv->dmub->feature_caps.fw_assisted_mclk_switch_ver;
+}
+
+void dcn31_dsc_pg_control(
+		struct dce_hwseq *hws,
+		unsigned int dsc_inst,
+		bool power_on)
+{
+	uint32_t power_gate = power_on ? 0 : 1;
+	uint32_t pwr_status = power_on ? 0 : 2;
+	uint32_t org_ip_request_cntl = 0;
+
+	if (hws->ctx->dc->debug.disable_dsc_power_gate)
+		return;
+
+	if (hws->ctx->dc->debug.root_clock_optimization.bits.dsc &&
+		hws->ctx->dc->res_pool->dccg->funcs->enable_dsc &&
+		power_on)
+		hws->ctx->dc->res_pool->dccg->funcs->enable_dsc(
+			hws->ctx->dc->res_pool->dccg, dsc_inst);
+
+	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
+	if (org_ip_request_cntl == 0)
+		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
+
+	switch (dsc_inst) {
+	case 0: /* DSC0 */
+		REG_UPDATE(DOMAIN16_PG_CONFIG,
+				DOMAIN_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN16_PG_STATUS,
+				DOMAIN_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 1: /* DSC1 */
+		REG_UPDATE(DOMAIN17_PG_CONFIG,
+				DOMAIN_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN17_PG_STATUS,
+				DOMAIN_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 2: /* DSC2 */
+		REG_UPDATE(DOMAIN18_PG_CONFIG,
+				DOMAIN_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN18_PG_STATUS,
+				DOMAIN_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	default:
+		BREAK_TO_DEBUGGER();
+		break;
+	}
+
+	if (org_ip_request_cntl == 0)
+		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
+
+	if (hws->ctx->dc->debug.root_clock_optimization.bits.dsc) {
+		if (hws->ctx->dc->res_pool->dccg->funcs->disable_dsc && !power_on)
+			hws->ctx->dc->res_pool->dccg->funcs->disable_dsc(
+				hws->ctx->dc->res_pool->dccg, dsc_inst);
+	}
+
+}
+
+
+void dcn31_enable_power_gating_plane(
+	struct dce_hwseq *hws,
+	bool enable)
+{
+	bool force_on = true; /* disable power gating */
+	uint32_t org_ip_request_cntl = 0;
+
+	if (enable && !hws->ctx->dc->debug.disable_hubp_power_gate)
+		force_on = false;
+
+	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
+	if (org_ip_request_cntl == 0)
+		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
+	/* DCHUBP0/1/2/3/4/5 */
+	REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
+	REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
+	/* DPP0/1/2/3/4/5 */
+	REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
+	REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
+
+	force_on = true; /* disable power gating */
+	if (enable && !hws->ctx->dc->debug.disable_dsc_power_gate)
+		force_on = false;
+
+	/* DCS0/1/2/3/4/5 */
+	REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
+	REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
+	REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
+
+	if (org_ip_request_cntl == 0)
+		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
+}
+
+void dcn31_update_info_frame(struct pipe_ctx *pipe_ctx)
+{
+	bool is_hdmi_tmds;
+	bool is_dp;
+	bool is_hdmi_frl;
+
+	ASSERT(pipe_ctx->stream);
+
+	if (pipe_ctx->stream_res.stream_enc == NULL &&
+			pipe_ctx->stream_res.hpo_frl_stream_enc == NULL)
+		return;  /* this is not root pipe */
+
+	is_hdmi_tmds = dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal);
+	is_dp = dc_is_dp_signal(pipe_ctx->stream->signal);
+
+	is_hdmi_frl = dc_is_hdmi_frl_signal(pipe_ctx->stream->signal);
+	if (!is_hdmi_tmds && !is_dp && !is_hdmi_frl)
+		return;
+
+	if (is_hdmi_tmds)
+		pipe_ctx->stream_res.stream_enc->funcs->update_hdmi_info_packets(
+			pipe_ctx->stream_res.stream_enc,
+			&pipe_ctx->stream_res.encoder_info_frame);
+	else if (is_hdmi_frl)
+		pipe_ctx->stream_res.hpo_frl_stream_enc->funcs->update_hdmi_info_packets(
+			pipe_ctx->stream_res.hpo_frl_stream_enc,
+			&pipe_ctx->stream_res.encoder_info_frame);
+	else if (pipe_ctx->stream->ctx->dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) {
+		if (pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->update_dp_info_packets_sdp_line_num)
+			pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->update_dp_info_packets_sdp_line_num(
+				pipe_ctx->stream_res.hpo_dp_stream_enc,
+				&pipe_ctx->stream_res.encoder_info_frame);
+
+		pipe_ctx->stream_res.encoder_info_frame.firmware_controlled_hdr_info_packet
+			= pipe_ctx->stream->firmware_controlled_hdr_info_packet;
+
+		pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->update_dp_info_packets(
+				pipe_ctx->stream_res.hpo_dp_stream_enc,
+				&pipe_ctx->stream_res.encoder_info_frame);
+		return;
+	} else {
+		if (pipe_ctx->stream_res.stream_enc->funcs->update_dp_info_packets_sdp_line_num)
+			pipe_ctx->stream_res.stream_enc->funcs->update_dp_info_packets_sdp_line_num(
+				pipe_ctx->stream_res.stream_enc,
+				&pipe_ctx->stream_res.encoder_info_frame);
+
+		pipe_ctx->stream_res.encoder_info_frame.firmware_controlled_hdr_info_packet
+			= pipe_ctx->stream->firmware_controlled_hdr_info_packet;
+
+		pipe_ctx->stream_res.stream_enc->funcs->update_dp_info_packets(
+			pipe_ctx->stream_res.stream_enc,
+			&pipe_ctx->stream_res.encoder_info_frame);
+	}
+}
+void dcn31_z10_save_init(struct dc *dc)
+{
+	union dmub_rb_cmd cmd;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.dcn_restore.header.type = DMUB_CMD__IDLE_OPT;
+	cmd.dcn_restore.header.sub_type = DMUB_CMD__IDLE_OPT_DCN_SAVE_INIT;
+
+	dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
+}
+
+void dcn31_z10_restore(const struct dc *dc)
+{
+	union dmub_rb_cmd cmd;
+
+	/*
+	 * DMUB notifies whether restore is required.
+	 * Optimization to avoid sending commands when not required.
+	 */
+	if (!dc_dmub_srv_is_restore_required(dc->ctx->dmub_srv))
+		return;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.dcn_restore.header.type = DMUB_CMD__IDLE_OPT;
+	cmd.dcn_restore.header.sub_type = DMUB_CMD__IDLE_OPT_DCN_RESTORE;
+
+	dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
+}
+
+void dcn31_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on)
+{
+	uint32_t power_gate = power_on ? 0 : 1;
+	uint32_t pwr_status = power_on ? 0 : 2;
+	uint32_t org_ip_request_cntl;
+	if (hws->ctx->dc->debug.disable_hubp_power_gate)
+		return;
+
+	if (REG(DOMAIN0_PG_CONFIG) == 0)
+		return;
+	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
+	if (org_ip_request_cntl == 0)
+		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
+
+	switch (hubp_inst) {
+	case 0:
+		REG_SET(DOMAIN0_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
+		REG_WAIT(DOMAIN0_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
+		break;
+	case 1:
+		REG_SET(DOMAIN1_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
+		REG_WAIT(DOMAIN1_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
+		break;
+	case 2:
+		REG_SET(DOMAIN2_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
+		REG_WAIT(DOMAIN2_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
+		break;
+	case 3:
+		REG_SET(DOMAIN3_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
+		REG_WAIT(DOMAIN3_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
+		break;
+	default:
+		BREAK_TO_DEBUGGER();
+		break;
+	}
+	if (org_ip_request_cntl == 0)
+		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
+}
+
+int dcn31_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config)
+{
+	(void)hws;
+	struct dcn_hubbub_phys_addr_config config = {0};
+
+	config.system_aperture.fb_top = pa_config->system_aperture.fb_top;
+	config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset;
+	config.system_aperture.fb_base = pa_config->system_aperture.fb_base;
+	config.system_aperture.agp_top = pa_config->system_aperture.agp_top;
+	config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot;
+	config.system_aperture.agp_base = pa_config->system_aperture.agp_base;
+	config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr;
+	config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr;
+
+	if (pa_config->gart_config.base_addr_is_mc_addr) {
+		/* Convert from MC address to offset into FB */
+		config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr -
+				pa_config->system_aperture.fb_base +
+				pa_config->system_aperture.fb_offset;
+	} else
+		config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
+
+	return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config);
+}
+
+static void dcn31_reset_back_end_for_pipe(
+		struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		struct dc_state *context)
+{
+	(void)context;
+	struct dc_link *link;
+
+	if (pipe_ctx->stream_res.stream_enc == NULL) {
+		pipe_ctx->stream = NULL;
+		return;
+	}
+	ASSERT(!pipe_ctx->top_pipe);
+
+	dc->hwss.set_abm_immediate_disable(pipe_ctx);
+
+	link = pipe_ctx->stream->link;
+
+	if (dc->hwseq)
+		dc->hwseq->wa_state.skip_blank_stream = false;
+
+	if ((!pipe_ctx->stream->dpms_off || link->link_status.link_active) &&
+		(link->connector_signal == SIGNAL_TYPE_EDP)) {
+		dc->hwss.blank_stream(pipe_ctx);
+		if (dc->hwseq)
+			dc->hwseq->wa_state.skip_blank_stream = true;
+	}
+
+	pipe_ctx->stream_res.tg->funcs->set_dsc_config(
+			pipe_ctx->stream_res.tg,
+			OPTC_DSC_DISABLED, 0, 0);
+
+	pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg);
+
+	pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false);
+	if (pipe_ctx->stream_res.tg->funcs->set_odm_bypass)
+		pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
+				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
+	/*
+	 * TODO - convert symclk_ref_cnts for otg to a bit map to solve
+	 * the case where the same symclk is shared across multiple otg
+	 * instances
+	 */
+	if (dc_is_tmds_signal(pipe_ctx->stream->signal))
+		link->phy_state.symclk_ref_cnts.otg = 0;
+
+	if (pipe_ctx->top_pipe == NULL) {
+		if (link->phy_state.symclk_state == SYMCLK_ON_TX_OFF) {
+			const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
+
+			link_hwss->disable_link_output(link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
+			link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF;
+		}
+	}
+
+	set_drr_and_clear_adjust_pending(pipe_ctx, pipe_ctx->stream, NULL);
+
+	/* DPMS may already disable or */
+	/* dpms_off status is incorrect due to fastboot
+	 * feature. When system resume from S4 with second
+	 * screen only, the dpms_off would be true but
+	 * VBIOS lit up eDP, so check link status too.
+	 */
+	if (!pipe_ctx->stream->dpms_off || link->link_status.link_active)
+		dc->link_srv->set_dpms_off(pipe_ctx);
+	else if (pipe_ctx->stream_res.audio)
+		dc->hwss.disable_audio_stream(pipe_ctx);
+
+	/* Temporary workaround to perform DSC programming ahead of pipe reset
+	 * for smartmux/SPRS
+	 * TODO: Remove SmartMux/SPRS checks once movement of DSC programming is generalized
+	 */
+	if (pipe_ctx->stream->timing.flags.DSC) {
+		if ((pipe_ctx->stream->signal == SIGNAL_TYPE_EDP &&
+			((link->dc->config.smart_mux_version && link->dc->is_switch_in_progress_dest)
+			|| link->is_dds || link->skip_implict_edp_power_control)) &&
+			(dc_is_dp_signal(pipe_ctx->stream->signal) ||
+			dc_is_virtual_signal(pipe_ctx->stream->signal)))
+			dc->link_srv->set_dsc_enable(pipe_ctx, false);
+	}
+
+	/* free acquired resources */
+	if (pipe_ctx->stream_res.audio) {
+		/*disable az_endpoint*/
+		pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio);
+
+		/*free audio*/
+		if (dc->caps.dynamic_audio == true) {
+			/*we have to dynamic arbitrate the audio endpoints*/
+			/*we free the resource, need reset is_audio_acquired*/
+			update_audio_usage(&dc->current_state->res_ctx, dc->res_pool,
+					pipe_ctx->stream_res.audio, false);
+			pipe_ctx->stream_res.audio = NULL;
+		}
+	}
+	if (dc->hwseq)
+		dc->hwseq->wa_state.skip_blank_stream = false;
+	pipe_ctx->stream = NULL;
+	DC_LOG_DEBUG("Reset back end for pipe %d, tg:%d\n",
+					pipe_ctx->pipe_idx, pipe_ctx->stream_res.tg->inst);
+}
+
+void dcn31_reset_hw_ctx_wrap(
+		struct dc *dc,
+		struct dc_state *context)
+{
+	int i;
+	struct dce_hwseq *hws = dc->hwseq;
+
+	/* Reset Back End*/
+	for (i = dc->res_pool->pipe_count - 1; i >= 0 ; i--) {
+		struct pipe_ctx *pipe_ctx_old =
+			&dc->current_state->res_ctx.pipe_ctx[i];
+		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+
+		if (!pipe_ctx_old->stream)
+			continue;
+
+		if (pipe_ctx_old->top_pipe || pipe_ctx_old->prev_odm_pipe)
+			continue;
+
+		if (!pipe_ctx->stream ||
+				pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) {
+			struct clock_source *old_clk = pipe_ctx_old->clock_source;
+
+			/* Reset pipe which is seamless boot stream. */
+			if (!pipe_ctx_old->plane_state &&
+				dc->res_pool->hubbub->funcs->program_det_size &&
+				dc->res_pool->hubbub->funcs->wait_for_det_apply) {
+				dc->res_pool->hubbub->funcs->program_det_size(
+					dc->res_pool->hubbub, pipe_ctx_old->plane_res.hubp->inst, 0);
+				/* Wait det size changed. */
+				dc->res_pool->hubbub->funcs->wait_for_det_apply(
+					dc->res_pool->hubbub, pipe_ctx_old->plane_res.hubp->inst);
+			}
+
+			dcn31_reset_back_end_for_pipe(dc, pipe_ctx_old, dc->current_state);
+			if (hws->funcs.enable_stream_gating)
+				hws->funcs.enable_stream_gating(dc, pipe_ctx_old);
+			if (old_clk)
+				old_clk->funcs->cs_power_down(old_clk);
+		}
+	}
+
+	/* New dc_state in the process of being applied to hardware. */
+	if (!dc->config.unify_link_enc_assignment)
+		link_enc_cfg_set_transient_mode(dc, dc->current_state, context);
+}
+
+void dcn31_setup_hpo_hw_control(const struct dce_hwseq *hws, bool enable)
+{
+	if (hws->ctx->dc->debug.hpo_optimization)
+		REG_UPDATE(HPO_TOP_HW_CONTROL, HPO_IO_EN, !!enable);
+}
+
+void dcn31_set_static_screen_control(struct pipe_ctx **pipe_ctx,
+		int num_pipes, const struct dc_static_screen_params *params)
+{
+	int i;
+	unsigned int triggers = 0;
+
+	if (params->triggers.surface_update)
+		triggers |= 0x100;
+	if (params->triggers.cursor_update)
+		triggers |= 0x8;
+	if (params->triggers.force_trigger)
+		triggers |= 0x1;
+
+	for (i = 0; i < num_pipes; i++)
+		pipe_ctx[i]->stream_res.tg->funcs->set_static_screen_control(pipe_ctx[i]->stream_res.tg,
+					triggers, params->num_frames);
+}
+
+static void dmub_abm_set_backlight(struct dc_context *dc,
+	struct set_backlight_level_params *backlight_level_params, uint32_t panel_inst)
+{
+	union dmub_rb_cmd cmd;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.abm_set_backlight.header.type = DMUB_CMD__ABM;
+	cmd.abm_set_backlight.header.sub_type = DMUB_CMD__ABM_SET_BACKLIGHT;
+	cmd.abm_set_backlight.abm_set_backlight_data.frame_ramp = backlight_level_params->frame_ramp;
+	cmd.abm_set_backlight.abm_set_backlight_data.backlight_user_level = backlight_level_params->backlight_pwm_u16_16;
+	cmd.abm_set_backlight.abm_set_backlight_data.backlight_control_type =
+		(enum dmub_backlight_control_type) backlight_level_params->control_type;
+	cmd.abm_set_backlight.abm_set_backlight_data.min_luminance = backlight_level_params->min_luminance;
+	cmd.abm_set_backlight.abm_set_backlight_data.max_luminance = backlight_level_params->max_luminance;
+	cmd.abm_set_backlight.abm_set_backlight_data.min_backlight_pwm = backlight_level_params->min_backlight_pwm;
+	cmd.abm_set_backlight.abm_set_backlight_data.max_backlight_pwm = backlight_level_params->max_backlight_pwm;
+	cmd.abm_set_backlight.abm_set_backlight_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1;
+	cmd.abm_set_backlight.abm_set_backlight_data.panel_mask = (0x01 << panel_inst);
+	cmd.abm_set_backlight.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_backlight_data);
+
+	dc_wake_and_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
+}
+
+bool dcn31_set_backlight_level(struct pipe_ctx *pipe_ctx,
+	struct set_backlight_level_params *backlight_level_params)
+{
+	struct dc_context *dc = pipe_ctx->stream->ctx;
+	struct abm *abm = pipe_ctx->stream_res.abm;
+	struct timing_generator *tg = pipe_ctx->stream_res.tg;
+	struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
+	uint32_t otg_inst;
+
+	if (!abm || !tg || !panel_cntl)
+		return false;
+
+	otg_inst = tg->inst;
+
+		dcn21_dmub_abm_set_pipe(abm,
+			otg_inst,
+			SET_ABM_PIPE_NORMAL,
+			panel_cntl->inst,
+			panel_cntl->pwrseq_inst);
+
+	if (backlight_level_params->control_type != BACKLIGHT_CONTROL_AMD_AUX)
+		dmub_abm_set_backlight(dc, backlight_level_params, panel_cntl->inst);
+
+	return true;
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.h

@@ -0,0 +1,64 @@
+/*
+* Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCN31_H__
+#define __DC_HWSS_DCN31_H__
+
+#include "hw_sequencer_private.h"
+
+struct dc;
+
+void dcn31_init_hw(struct dc *dc);
+
+void dcn31_dsc_pg_control(
+		struct dce_hwseq *hws,
+		unsigned int dsc_inst,
+		bool power_on);
+
+void dcn31_enable_power_gating_plane(
+	struct dce_hwseq *hws,
+	bool enable);
+
+void dcn31_update_info_frame(struct pipe_ctx *pipe_ctx);
+
+void dcn31_z10_restore(const struct dc *dc);
+void dcn31_z10_save_init(struct dc *dc);
+
+void dcn31_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on);
+int dcn31_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config);
+void dcn31_reset_hw_ctx_wrap(
+		struct dc *dc,
+		struct dc_state *context);
+bool dcn31_set_backlight_level(struct pipe_ctx *pipe_ctx,
+		struct set_backlight_level_params *params);
+bool dcn31_is_abm_supported(struct dc *dc,
+		struct dc_state *context, struct dc_stream_state *stream);
+void dcn31_init_pipes(struct dc *dc, struct dc_state *context);
+void dcn31_setup_hpo_hw_control(const struct dce_hwseq *hws, bool enable);
+
+void dcn31_set_static_screen_control(struct pipe_ctx **pipe_ctx,
+		int num_pipes, const struct dc_static_screen_params *params);
+
+#endif /* __DC_HWSS_DCN31_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_init.c

@@ -0,0 +1,160 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dce110/dce110_hwseq.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "dcn20/dcn20_hwseq.h"
+#include "dcn21/dcn21_hwseq.h"
+#include "dcn30/dcn30_hwseq.h"
+#include "dcn301/dcn301_hwseq.h"
+#include "dcn31/dcn31_hwseq.h"
+
+#include "dcn31_init.h"
+
+static const struct hw_sequencer_funcs dcn31_funcs = {
+	.program_gamut_remap = dcn30_program_gamut_remap,
+	.init_hw = dcn31_init_hw,
+	.power_down_on_boot = dcn10_power_down_on_boot,
+	.apply_ctx_to_hw = dce110_apply_ctx_to_hw,
+	.apply_ctx_for_surface = NULL,
+	.program_front_end_for_ctx = dcn20_program_front_end_for_ctx,
+	.clear_surface_dcc_and_tiling = dcn10_reset_surface_dcc_and_tiling,
+	.wait_for_pending_cleared = dcn10_wait_for_pending_cleared,
+	.post_unlock_program_front_end = dcn20_post_unlock_program_front_end,
+	.update_plane_addr = dcn20_update_plane_addr,
+	.update_dchub = dcn10_update_dchub,
+	.update_pending_status = dcn10_update_pending_status,
+	.program_output_csc = dcn20_program_output_csc,
+	.enable_accelerated_mode = dce110_enable_accelerated_mode,
+	.enable_timing_synchronization = dcn10_enable_timing_synchronization,
+	.enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset,
+	.update_info_frame = dcn31_update_info_frame,
+	.send_immediate_sdp_message = dcn10_send_immediate_sdp_message,
+	.enable_stream = dcn20_enable_stream,
+	.disable_stream = dce110_disable_stream,
+	.unblank_stream = dcn20_unblank_stream,
+	.blank_stream = dce110_blank_stream,
+	.enable_audio_stream = dce110_enable_audio_stream,
+	.disable_audio_stream = dce110_disable_audio_stream,
+	.disable_plane = dcn20_disable_plane,
+	.disable_pixel_data = dcn20_disable_pixel_data,
+	.pipe_control_lock = dcn20_pipe_control_lock,
+	.interdependent_update_lock = dcn10_lock_all_pipes,
+	.cursor_lock = dcn10_cursor_lock,
+	.prepare_bandwidth = dcn20_prepare_bandwidth,
+	.optimize_bandwidth = dcn20_optimize_bandwidth,
+	.update_bandwidth = dcn20_update_bandwidth,
+	.set_drr = dcn10_set_drr,
+	.get_position = dcn10_get_position,
+	.set_static_screen_control = dcn31_set_static_screen_control,
+	.setup_stereo = dcn10_setup_stereo,
+	.set_avmute = dcn30_set_avmute,
+	.log_hw_state = dcn10_log_hw_state,
+	.log_color_state = dcn30_log_color_state,
+	.get_hw_state = dcn10_get_hw_state,
+	.clear_status_bits = dcn10_clear_status_bits,
+	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.edp_power_control = dce110_edp_power_control,
+	.edp_wait_for_T12 = dce110_edp_wait_for_T12,
+	.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
+	.set_cursor_position = dcn10_set_cursor_position,
+	.set_cursor_attribute = dcn10_set_cursor_attribute,
+	.set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
+	.setup_periodic_interrupt = dcn10_setup_periodic_interrupt,
+	.set_clock = dcn10_set_clock,
+	.get_clock = dcn10_get_clock,
+	.program_triplebuffer = dcn20_program_triple_buffer,
+	.enable_writeback = dcn30_enable_writeback,
+	.disable_writeback = dcn30_disable_writeback,
+	.update_writeback = dcn30_update_writeback,
+	.dmdata_status_done = dcn20_dmdata_status_done,
+	.program_dmdata_engine = dcn30_program_dmdata_engine,
+	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
+	.init_sys_ctx = dcn31_init_sys_ctx,
+	.init_vm_ctx = dcn20_init_vm_ctx,
+	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
+	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+	.calc_vupdate_position = dcn10_calc_vupdate_position,
+	.setup_hdmi_frl_link = dcn30_setup_hdmi_frl_link,
+	.set_backlight_level = dcn21_set_backlight_level,
+	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
+	.set_pipe = dcn21_set_pipe,
+	.enable_lvds_link_output = dce110_enable_lvds_link_output,
+	.enable_tmds_link_output = dce110_enable_tmds_link_output,
+	.enable_dp_link_output = dce110_enable_dp_link_output,
+	.disable_link_output = dce110_disable_link_output,
+	.z10_restore = dcn31_z10_restore,
+	.z10_save_init = dcn31_z10_save_init,
+	.set_disp_pattern_generator = dcn30_set_disp_pattern_generator,
+	.optimize_pwr_state = dcn21_optimize_pwr_state,
+	.exit_optimized_pwr_state = dcn21_exit_optimized_pwr_state,
+	.update_visual_confirm_color = dcn10_update_visual_confirm_color,
+	.setup_hpo_hw_control = dcn31_setup_hpo_hw_control,
+	.get_underflow_debug_data = dcn30_get_underflow_debug_data,
+};
+
+static const struct hwseq_private_funcs dcn31_private_funcs = {
+	.init_pipes = dcn10_init_pipes,
+	.plane_atomic_disconnect = dcn10_plane_atomic_disconnect,
+	.update_mpcc = dcn20_update_mpcc,
+	.set_input_transfer_func = dcn30_set_input_transfer_func,
+	.set_output_transfer_func = dcn30_set_output_transfer_func,
+	.power_down = dce110_power_down,
+	.enable_display_power_gating = dcn10_dummy_display_power_gating,
+	.blank_pixel_data = dcn20_blank_pixel_data,
+	.reset_hw_ctx_wrap = dcn31_reset_hw_ctx_wrap,
+	.enable_stream_timing = dcn20_enable_stream_timing,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.disable_stream_gating = dcn20_disable_stream_gating,
+	.enable_stream_gating = dcn20_enable_stream_gating,
+	.setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt,
+	.did_underflow_occur = dcn10_did_underflow_occur,
+	.init_blank = dcn20_init_blank,
+	.disable_vga = dcn20_disable_vga,
+	.bios_golden_init = dcn10_bios_golden_init,
+	.plane_atomic_disable = dcn20_plane_atomic_disable,
+	.plane_atomic_power_down = dcn10_plane_atomic_power_down,
+	.enable_power_gating_plane = dcn31_enable_power_gating_plane,
+	.hubp_pg_control = dcn31_hubp_pg_control,
+	.program_all_writeback_pipes_in_tree = dcn30_program_all_writeback_pipes_in_tree,
+	.update_odm = dcn20_update_odm,
+	.dsc_pg_control = dcn31_dsc_pg_control,
+	.set_hdr_multiplier = dcn10_set_hdr_multiplier,
+	.verify_allow_pstate_change_high = dcn10_verify_allow_pstate_change_high,
+	.wait_for_blank_complete = dcn20_wait_for_blank_complete,
+	.set_blend_lut = dcn30_set_blend_lut,
+	.set_shaper_3dlut = dcn20_set_shaper_3dlut,
+	.setup_hpo_hw_control = dcn31_setup_hpo_hw_control,
+	.wait_for_pipe_update_if_needed = dcn10_wait_for_pipe_update_if_needed,
+	.set_wait_for_update_needed_for_pipe = dcn10_set_wait_for_update_needed_for_pipe,
+};
+
+void dcn31_hw_sequencer_construct(struct dc *dc)
+{
+	dc->hwss = dcn31_funcs;
+	dc->hwseq->funcs = dcn31_private_funcs;
+
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_init.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_DCN31_INIT_H__
+#define __DC_DCN31_INIT_H__
+
+struct dc;
+
+void dcn31_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_DCN31_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c

@@ -0,0 +1,605 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2022 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+
+#include "dm_services.h"
+#include "dm_helpers.h"
+#include "core_types.h"
+#include "resource.h"
+#include "dccg.h"
+#include "dce/dce_hwseq.h"
+#include "clk_mgr.h"
+#include "reg_helper.h"
+#include "abm.h"
+#include "hubp.h"
+#include "dchubbub.h"
+#include "timing_generator.h"
+#include "opp.h"
+#include "ipp.h"
+#include "mpc.h"
+#include "mcif_wb.h"
+#include "dc_dmub_srv.h"
+#include "dcn314_hwseq.h"
+#include "link_hwss.h"
+#include "dpcd_defs.h"
+#include "dce/dmub_outbox.h"
+#include "link_service.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "inc/link_enc_cfg.h"
+#include "dcn30/dcn30_vpg.h"
+#include "dce/dce_i2c_hw.h"
+#include "dsc.h"
+#include "dcn20/dcn20_optc.h"
+#include "dcn30/dcn30_cm_common.h"
+
+#define DC_LOGGER_INIT(logger)
+
+#define CTX \
+	hws->ctx
+#define REG(reg)\
+	hws->regs->reg
+#define DC_LOGGER \
+	stream->ctx->logger
+
+
+#undef FN
+#define FN(reg_name, field_name) \
+	hws->shifts->field_name, hws->masks->field_name
+
+static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
+{
+	struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	struct pipe_ctx *odm_pipe;
+	int opp_cnt = 1;
+
+	ASSERT(dsc);
+	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
+		opp_cnt++;
+
+	if (enable) {
+		struct dsc_config dsc_cfg;
+		struct dsc_optc_config dsc_optc_cfg = {0};
+		enum optc_dsc_mode optc_dsc_mode;
+		struct dcn_dsc_state dsc_state = {0};
+
+		if (!dsc) {
+			DC_LOG_DSC("DSC is NULL for tg instance %d:", pipe_ctx->stream_res.tg->inst);
+			return;
+		}
+
+		if (dsc->funcs->dsc_read_state) {
+			dsc->funcs->dsc_read_state(dsc, &dsc_state);
+			if (!dsc_state.dsc_fw_en) {
+				DC_LOG_DSC("DSC has been disabled for tg instance %d:", pipe_ctx->stream_res.tg->inst);
+				return;
+			}
+		}
+
+		/* Enable DSC hw block */
+		dsc_cfg.pic_width = (stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right) / opp_cnt;
+		dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom;
+		dsc_cfg.pixel_encoding = stream->timing.pixel_encoding;
+		dsc_cfg.color_depth = stream->timing.display_color_depth;
+		dsc_cfg.is_odm = pipe_ctx->next_odm_pipe ? true : false;
+		dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg;
+		ASSERT(dsc_cfg.dc_dsc_cfg.num_slices_h % opp_cnt == 0);
+		dsc_cfg.dc_dsc_cfg.num_slices_h /= opp_cnt;
+		dsc_cfg.dsc_padding = 0;
+
+		dsc->funcs->dsc_set_config(dsc, &dsc_cfg, &dsc_optc_cfg);
+		dsc->funcs->dsc_enable(dsc, pipe_ctx->stream_res.opp->inst);
+		for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
+			struct display_stream_compressor *odm_dsc = odm_pipe->stream_res.dsc;
+
+			ASSERT(odm_dsc);
+			odm_dsc->funcs->dsc_set_config(odm_dsc, &dsc_cfg, &dsc_optc_cfg);
+			odm_dsc->funcs->dsc_enable(odm_dsc, odm_pipe->stream_res.opp->inst);
+		}
+		dsc_cfg.dc_dsc_cfg.num_slices_h *= opp_cnt;
+		dsc_cfg.pic_width *= opp_cnt;
+
+		optc_dsc_mode = dsc_optc_cfg.is_pixel_format_444 ? OPTC_DSC_ENABLED_444 : OPTC_DSC_ENABLED_NATIVE_SUBSAMPLED;
+
+		/* Enable DSC in OPTC */
+		DC_LOG_DSC("Setting optc DSC config for tg instance %d:", pipe_ctx->stream_res.tg->inst);
+		pipe_ctx->stream_res.tg->funcs->set_dsc_config(pipe_ctx->stream_res.tg,
+							optc_dsc_mode,
+							dsc_optc_cfg.bytes_per_pixel,
+							dsc_optc_cfg.slice_width);
+	} else {
+		/* disable DSC in OPTC */
+		pipe_ctx->stream_res.tg->funcs->set_dsc_config(
+				pipe_ctx->stream_res.tg,
+				OPTC_DSC_DISABLED, 0, 0);
+
+		/* disable DSC block */
+		dsc->funcs->dsc_disable(pipe_ctx->stream_res.dsc);
+		for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
+			ASSERT(odm_pipe->stream_res.dsc);
+			odm_pipe->stream_res.dsc->funcs->dsc_disable(odm_pipe->stream_res.dsc);
+		}
+	}
+}
+
+// Given any pipe_ctx, return the total ODM combine factor, and optionally return
+// the OPPids which are used
+static unsigned int get_odm_config(struct pipe_ctx *pipe_ctx, int *opp_instances)
+{
+	unsigned int opp_count = 1;
+	struct pipe_ctx *odm_pipe;
+
+	// First get to the top pipe
+	for (odm_pipe = pipe_ctx; odm_pipe->prev_odm_pipe; odm_pipe = odm_pipe->prev_odm_pipe)
+		;
+
+	// First pipe is always used
+	if (opp_instances)
+		opp_instances[0] = odm_pipe->stream_res.opp->inst;
+
+	// Find and count odm pipes, if any
+	for (odm_pipe = odm_pipe->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
+		if (opp_instances)
+			opp_instances[opp_count] = odm_pipe->stream_res.opp->inst;
+		opp_count++;
+	}
+
+	return opp_count;
+}
+
+void dcn314_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx)
+{
+	(void)context;
+	struct pipe_ctx *odm_pipe;
+	int opp_cnt = 0;
+	int opp_inst[MAX_PIPES] = {0};
+	int odm_slice_width = resource_get_odm_slice_dst_width(pipe_ctx, false);
+	int last_odm_slice_width = resource_get_odm_slice_dst_width(pipe_ctx, true);
+	struct mpc *mpc = dc->res_pool->mpc;
+	int i;
+
+	opp_cnt = get_odm_config(pipe_ctx, opp_inst);
+
+	if (opp_cnt > 1)
+		pipe_ctx->stream_res.tg->funcs->set_odm_combine(
+				pipe_ctx->stream_res.tg,
+				opp_inst, opp_cnt,
+				odm_slice_width, last_odm_slice_width);
+	else
+		pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
+				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
+
+	if (mpc->funcs->set_out_rate_control) {
+		for (i = 0; i < opp_cnt; ++i) {
+			mpc->funcs->set_out_rate_control(
+					mpc, opp_inst[i],
+					false,
+					0,
+					NULL);
+		}
+	}
+
+	for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
+		odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control(
+				odm_pipe->stream_res.opp,
+				true);
+	}
+
+	if (pipe_ctx->stream_res.dsc) {
+		struct pipe_ctx *current_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[pipe_ctx->pipe_idx];
+
+		update_dsc_on_stream(pipe_ctx, pipe_ctx->stream->timing.flags.DSC != 0);
+
+		/* Check if no longer using pipe for ODM, then need to disconnect DSC for that pipe */
+		if (!pipe_ctx->next_odm_pipe && current_pipe_ctx->next_odm_pipe &&
+				current_pipe_ctx->next_odm_pipe->stream_res.dsc) {
+			struct display_stream_compressor *dsc = current_pipe_ctx->next_odm_pipe->stream_res.dsc;
+			/* disconnect DSC block from stream */
+			dsc->funcs->dsc_disconnect(dsc);
+		}
+	}
+}
+
+void dcn314_dsc_pg_control(
+		struct dce_hwseq *hws,
+		unsigned int dsc_inst,
+		bool power_on)
+{
+	uint32_t power_gate = power_on ? 0 : 1;
+	uint32_t pwr_status = power_on ? 0 : 2;
+	uint32_t org_ip_request_cntl = 0;
+
+	if (hws->ctx->dc->debug.root_clock_optimization.bits.dsc &&
+		hws->ctx->dc->res_pool->dccg->funcs->enable_dsc &&
+		power_on)
+		hws->ctx->dc->res_pool->dccg->funcs->enable_dsc(
+			hws->ctx->dc->res_pool->dccg, dsc_inst);
+
+	if (!hws->ctx->dc->debug.disable_dsc_power_gate) {
+
+		REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
+		if (org_ip_request_cntl == 0)
+			REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
+
+		switch (dsc_inst) {
+		case 0: /* DSC0 */
+			REG_UPDATE(DOMAIN16_PG_CONFIG,
+					DOMAIN_POWER_GATE, power_gate);
+
+			REG_WAIT(DOMAIN16_PG_STATUS,
+					DOMAIN_PGFSM_PWR_STATUS, pwr_status,
+					1, 1000);
+			break;
+		case 1: /* DSC1 */
+			REG_UPDATE(DOMAIN17_PG_CONFIG,
+					DOMAIN_POWER_GATE, power_gate);
+
+			REG_WAIT(DOMAIN17_PG_STATUS,
+					DOMAIN_PGFSM_PWR_STATUS, pwr_status,
+					1, 1000);
+			break;
+		case 2: /* DSC2 */
+			REG_UPDATE(DOMAIN18_PG_CONFIG,
+					DOMAIN_POWER_GATE, power_gate);
+
+			REG_WAIT(DOMAIN18_PG_STATUS,
+					DOMAIN_PGFSM_PWR_STATUS, pwr_status,
+					1, 1000);
+			break;
+		case 3: /* DSC3 */
+			REG_UPDATE(DOMAIN19_PG_CONFIG,
+					DOMAIN_POWER_GATE, power_gate);
+
+			REG_WAIT(DOMAIN19_PG_STATUS,
+					DOMAIN_PGFSM_PWR_STATUS, pwr_status,
+					1, 1000);
+			break;
+		default:
+			BREAK_TO_DEBUGGER();
+			break;
+		}
+
+		if (org_ip_request_cntl == 0)
+			REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
+	}
+
+	if (hws->ctx->dc->debug.root_clock_optimization.bits.dsc) {
+		if (hws->ctx->dc->res_pool->dccg->funcs->disable_dsc && !power_on)
+			hws->ctx->dc->res_pool->dccg->funcs->disable_dsc(
+				hws->ctx->dc->res_pool->dccg, dsc_inst);
+	}
+
+}
+
+void dcn314_enable_power_gating_plane(struct dce_hwseq *hws, bool enable)
+{
+	bool force_on = true; /* disable power gating */
+	uint32_t org_ip_request_cntl = 0;
+
+	if (enable && !hws->ctx->dc->debug.disable_hubp_power_gate)
+		force_on = false;
+
+	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
+	if (org_ip_request_cntl == 0)
+		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
+	/* DCHUBP0/1/2/3/4/5 */
+	REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
+	REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
+	/* DPP0/1/2/3/4/5 */
+	REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
+	REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
+
+	force_on = true; /* disable power gating */
+	if (enable && !hws->ctx->dc->debug.disable_dsc_power_gate)
+		force_on = false;
+
+	/* DCS0/1/2/3/4 */
+	REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
+	REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
+	REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
+	REG_UPDATE(DOMAIN19_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
+
+	if (org_ip_request_cntl == 0)
+		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
+}
+
+unsigned int dcn314_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int *k1_div, unsigned int *k2_div)
+{
+	struct dc_stream_state *stream = pipe_ctx->stream;
+	unsigned int odm_combine_factor = 0;
+	bool two_pix_per_container = false;
+
+	two_pix_per_container = pipe_ctx->stream_res.tg->funcs->is_two_pixels_per_container(&stream->timing);
+	odm_combine_factor = get_odm_config(pipe_ctx, NULL);
+
+	if (dc_is_hdmi_frl_signal(pipe_ctx->stream->signal) ||
+			stream->ctx->dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) {
+		*k1_div = PIXEL_RATE_DIV_BY_1;
+		*k2_div = PIXEL_RATE_DIV_BY_1;
+	} else if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal) || dc_is_dvi_signal(pipe_ctx->stream->signal)) {
+		*k1_div = PIXEL_RATE_DIV_BY_1;
+		if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420)
+			*k2_div = PIXEL_RATE_DIV_BY_2;
+		else
+			*k2_div = PIXEL_RATE_DIV_BY_4;
+	} else if (dc_is_dp_signal(pipe_ctx->stream->signal) || dc_is_virtual_signal(pipe_ctx->stream->signal)) {
+		if (two_pix_per_container) {
+			*k1_div = PIXEL_RATE_DIV_BY_1;
+			*k2_div = PIXEL_RATE_DIV_BY_2;
+		} else {
+			*k1_div = PIXEL_RATE_DIV_BY_1;
+			*k2_div = PIXEL_RATE_DIV_BY_4;
+			if (odm_combine_factor == 2)
+				*k2_div = PIXEL_RATE_DIV_BY_2;
+		}
+	}
+
+	if ((*k1_div == PIXEL_RATE_DIV_NA) && (*k2_div == PIXEL_RATE_DIV_NA))
+		ASSERT(false);
+
+	return odm_combine_factor;
+}
+
+void dcn314_calculate_pix_rate_divider(
+		struct dc *dc,
+		struct dc_state *context,
+		const struct dc_stream_state *stream)
+{
+	struct dce_hwseq *hws = dc->hwseq;
+	struct pipe_ctx *pipe_ctx = NULL;
+	unsigned int k1_div = PIXEL_RATE_DIV_NA;
+	unsigned int k2_div = PIXEL_RATE_DIV_NA;
+
+	pipe_ctx = resource_get_otg_master_for_stream(&context->res_ctx, stream);
+
+	if (pipe_ctx) {
+		if (hws->funcs.calculate_dccg_k1_k2_values)
+			hws->funcs.calculate_dccg_k1_k2_values(pipe_ctx, &k1_div, &k2_div);
+
+		pipe_ctx->pixel_rate_divider.div_factor1 = k1_div;
+		pipe_ctx->pixel_rate_divider.div_factor2 = k2_div;
+	}
+}
+
+static bool dcn314_is_pipe_dig_fifo_on(struct pipe_ctx *pipe)
+{
+	return pipe && pipe->stream
+		// Check dig's otg instance.
+		&& pipe->stream_res.stream_enc
+		&& pipe->stream_res.stream_enc->funcs->dig_source_otg
+		&& pipe->stream_res.tg->inst == pipe->stream_res.stream_enc->funcs->dig_source_otg(pipe->stream_res.stream_enc)
+		&& pipe->stream->link && pipe->stream->link->link_enc
+		&& pipe->stream->link->link_enc->funcs->is_dig_enabled
+		&& pipe->stream->link->link_enc->funcs->is_dig_enabled(pipe->stream->link->link_enc)
+		&& pipe->stream_res.stream_enc->funcs->is_fifo_enabled
+		&& pipe->stream_res.stream_enc->funcs->is_fifo_enabled(pipe->stream_res.stream_enc);
+}
+
+void dcn314_resync_fifo_dccg_dio(struct dce_hwseq *hws, struct dc *dc, struct dc_state *context, unsigned int current_pipe_idx)
+{
+	unsigned int i;
+	struct pipe_ctx *pipe = NULL;
+	bool otg_disabled[MAX_PIPES] = {false};
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		if (i <= current_pipe_idx) {
+			pipe = &context->res_ctx.pipe_ctx[i];
+		} else {
+			pipe = &dc->current_state->res_ctx.pipe_ctx[i];
+		}
+
+		if (pipe->top_pipe || pipe->prev_odm_pipe)
+			continue;
+
+		if (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal)) &&
+			!pipe->stream->apply_seamless_boot_optimization &&
+			!pipe->stream->apply_edp_fast_boot_optimization) {
+			if (dcn314_is_pipe_dig_fifo_on(pipe))
+				continue;
+			pipe->stream_res.tg->funcs->disable_crtc(pipe->stream_res.tg);
+			reset_sync_context_for_pipe(dc, context, (uint8_t)i);
+			otg_disabled[i] = true;
+		}
+	}
+
+	hws->ctx->dc->res_pool->dccg->funcs->trigger_dio_fifo_resync(hws->ctx->dc->res_pool->dccg);
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		if (i <= current_pipe_idx)
+			pipe = &context->res_ctx.pipe_ctx[i];
+		else
+			pipe = &dc->current_state->res_ctx.pipe_ctx[i];
+
+		if (otg_disabled[i]) {
+			int opp_inst[MAX_PIPES] = { pipe->stream_res.opp->inst };
+			int opp_cnt = 1;
+			int last_odm_slice_width = resource_get_odm_slice_dst_width(pipe, true);
+			int odm_slice_width = resource_get_odm_slice_dst_width(pipe, false);
+			struct pipe_ctx *odm_pipe;
+
+			for (odm_pipe = pipe->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
+				opp_inst[opp_cnt] = odm_pipe->stream_res.opp->inst;
+				opp_cnt++;
+			}
+			if (opp_cnt > 1)
+				pipe->stream_res.tg->funcs->set_odm_combine(
+						pipe->stream_res.tg,
+						opp_inst, opp_cnt,
+						odm_slice_width,
+						last_odm_slice_width);
+			pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg);
+		}
+	}
+}
+
+void dcn314_dpp_root_clock_control(struct dce_hwseq *hws, unsigned int dpp_inst, bool clock_on)
+{
+	if (!hws->ctx->dc->debug.root_clock_optimization.bits.dpp)
+		return;
+
+	if (hws->ctx->dc->res_pool->dccg->funcs->dpp_root_clock_control)
+		hws->ctx->dc->res_pool->dccg->funcs->dpp_root_clock_control(
+			hws->ctx->dc->res_pool->dccg, dpp_inst, clock_on);
+}
+
+static void apply_symclk_on_tx_off_wa(struct dc_link *link)
+{
+	/* There are use cases where SYMCLK is referenced by OTG. For instance
+	 * for TMDS signal, OTG relies SYMCLK even if TX video output is off.
+	 * However current link interface will power off PHY when disabling link
+	 * output. This will turn off SYMCLK generated by PHY. The workaround is
+	 * to identify such case where SYMCLK is still in use by OTG when we
+	 * power off PHY. When this is detected, we will temporarily power PHY
+	 * back on and move PHY's SYMCLK state to SYMCLK_ON_TX_OFF by calling
+	 * program_pix_clk interface. When OTG is disabled, we will then power
+	 * off PHY by calling disable link output again.
+	 *
+	 * In future dcn generations, we plan to rework transmitter control
+	 * interface so that we could have an option to set SYMCLK ON TX OFF
+	 * state in one step without this workaround
+	 */
+
+	struct dc *dc = link->ctx->dc;
+	struct pipe_ctx *pipe_ctx = NULL;
+	uint8_t i;
+
+	if (link->phy_state.symclk_ref_cnts.otg > 0) {
+		for (i = 0; i < MAX_PIPES; i++) {
+			pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
+			if (pipe_ctx->stream && pipe_ctx->stream->link == link && pipe_ctx->top_pipe == NULL) {
+				pipe_ctx->clock_source->funcs->program_pix_clk(
+						pipe_ctx->clock_source,
+						&pipe_ctx->stream_res.pix_clk_params,
+						dc->link_srv->dp_get_encoding_format(
+								&pipe_ctx->link_config.dp_link_settings),
+						&pipe_ctx->pll_settings);
+				link->phy_state.symclk_state = SYMCLK_ON_TX_OFF;
+				break;
+			}
+		}
+	}
+}
+
+void dcn314_disable_link_output(struct dc_link *link,
+		const struct link_resource *link_res,
+		enum signal_type signal)
+{
+	struct dc *dc = link->ctx->dc;
+	const struct link_hwss *link_hwss = get_link_hwss(link, link_res);
+	struct dmcu *dmcu = dc->res_pool->dmcu;
+
+	if (signal == SIGNAL_TYPE_EDP &&
+			link->dc->hwss.edp_backlight_control &&
+			!link->skip_implict_edp_power_control)
+		link->dc->hwss.edp_backlight_control(link, false);
+	else if (dmcu != NULL && dmcu->funcs->lock_phy)
+		dmcu->funcs->lock_phy(dmcu);
+
+	link_hwss->disable_link_output(link, link_res, signal);
+	link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF;
+	/*
+	 * Add the logic to extract BOTH power up and power down sequences
+	 * from enable/disable link output and only call edp panel control
+	 * in enable_link_dp and disable_link_dp once.
+	 */
+	if (dmcu != NULL && dmcu->funcs->unlock_phy)
+		dmcu->funcs->unlock_phy(dmcu);
+	dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
+
+	apply_symclk_on_tx_off_wa(link);
+}
+
+/**
+ * dcn314_dpp_pg_control - DPP power gate control.
+ *
+ * @hws: dce_hwseq reference.
+ * @dpp_inst: DPP instance reference.
+ * @power_on: true if we want to enable power gate, false otherwise.
+ *
+ * Enable or disable power gate in the specific DPP instance.
+ * If power gating is disabled, will force disable cursor in the DPP instance.
+ */
+void dcn314_dpp_pg_control(
+		struct dce_hwseq *hws,
+		unsigned int dpp_inst,
+		bool power_on)
+{
+	uint32_t power_gate = power_on ? 0 : 1;
+	uint32_t pwr_status = power_on ? 0 : 2;
+
+
+	if (hws->ctx->dc->debug.disable_dpp_power_gate) {
+		/* Workaround for DCN314 with disabled power gating */
+		if (!power_on) {
+
+			/* Force disable cursor if power gating is disabled */
+			struct dpp *dpp = hws->ctx->dc->res_pool->dpps[dpp_inst];
+			if (dpp && dpp->funcs->dpp_force_disable_cursor)
+				dpp->funcs->dpp_force_disable_cursor(dpp);
+		}
+		return;
+	}
+	if (REG(DOMAIN1_PG_CONFIG) == 0)
+		return;
+
+	switch (dpp_inst) {
+	case 0: /* DPP0 */
+		REG_UPDATE(DOMAIN1_PG_CONFIG,
+				DOMAIN1_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN1_PG_STATUS,
+				DOMAIN1_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 1: /* DPP1 */
+		REG_UPDATE(DOMAIN3_PG_CONFIG,
+				DOMAIN3_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN3_PG_STATUS,
+				DOMAIN3_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 2: /* DPP2 */
+		REG_UPDATE(DOMAIN5_PG_CONFIG,
+				DOMAIN5_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN5_PG_STATUS,
+				DOMAIN5_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	case 3: /* DPP3 */
+		REG_UPDATE(DOMAIN7_PG_CONFIG,
+				DOMAIN7_POWER_GATE, power_gate);
+
+		REG_WAIT(DOMAIN7_PG_STATUS,
+				DOMAIN7_PGFSM_PWR_STATUS, pwr_status,
+				1, 1000);
+		break;
+	default:
+		BREAK_TO_DEBUGGER();
+		break;
+	}
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.h

@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2022 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCN314_H__
+#define __DC_HWSS_DCN314_H__
+
+#include "hw_sequencer_private.h"
+
+struct dc;
+
+void dcn314_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx);
+
+void dcn314_dsc_pg_control(struct dce_hwseq *hws, unsigned int dsc_inst, bool power_on);
+
+void dcn314_enable_power_gating_plane(struct dce_hwseq *hws, bool enable);
+
+unsigned int dcn314_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int *k1_div, unsigned int *k2_div);
+
+void dcn314_calculate_pix_rate_divider(struct dc *dc, struct dc_state *context, const struct dc_stream_state *stream);
+
+void dcn314_resync_fifo_dccg_dio(struct dce_hwseq *hws, struct dc *dc, struct dc_state *context, unsigned int current_pipe_idx);
+
+void dcn314_dpp_root_clock_control(struct dce_hwseq *hws, unsigned int dpp_inst, bool clock_on);
+
+void dcn314_disable_link_output(struct dc_link *link, const struct link_resource *link_res, enum signal_type signal);
+
+void dcn314_dpp_pg_control(struct dce_hwseq *hws, unsigned int dpp_inst, bool power_on);
+
+#endif /* __DC_HWSS_DCN314_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.c

@@ -0,0 +1,167 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2022 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dce110/dce110_hwseq.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "dcn20/dcn20_hwseq.h"
+#include "dcn21/dcn21_hwseq.h"
+#include "dcn30/dcn30_hwseq.h"
+#include "dcn301/dcn301_hwseq.h"
+#include "dcn31/dcn31_hwseq.h"
+#include "dcn314/dcn314_hwseq.h"
+
+#include "dcn314_init.h"
+
+static const struct hw_sequencer_funcs dcn314_funcs = {
+	.program_gamut_remap = dcn30_program_gamut_remap,
+	.init_hw = dcn31_init_hw,
+	.power_down_on_boot = dcn10_power_down_on_boot,
+	.apply_ctx_to_hw = dce110_apply_ctx_to_hw,
+	.apply_ctx_for_surface = NULL,
+	.program_front_end_for_ctx = dcn20_program_front_end_for_ctx,
+	.clear_surface_dcc_and_tiling = dcn10_reset_surface_dcc_and_tiling,
+	.wait_for_pending_cleared = dcn10_wait_for_pending_cleared,
+	.post_unlock_program_front_end = dcn20_post_unlock_program_front_end,
+	.update_plane_addr = dcn20_update_plane_addr,
+	.update_dchub = dcn10_update_dchub,
+	.update_pending_status = dcn10_update_pending_status,
+	.program_output_csc = dcn20_program_output_csc,
+	.enable_accelerated_mode = dce110_enable_accelerated_mode,
+	.enable_timing_synchronization = dcn10_enable_timing_synchronization,
+	.enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset,
+	.update_info_frame = dcn31_update_info_frame,
+	.send_immediate_sdp_message = dcn10_send_immediate_sdp_message,
+	.enable_stream = dcn20_enable_stream,
+	.disable_stream = dce110_disable_stream,
+	.unblank_stream = dcn20_unblank_stream,
+	.blank_stream = dce110_blank_stream,
+	.enable_audio_stream = dce110_enable_audio_stream,
+	.disable_audio_stream = dce110_disable_audio_stream,
+	.disable_plane = dcn20_disable_plane,
+	.disable_pixel_data = dcn20_disable_pixel_data,
+	.pipe_control_lock = dcn20_pipe_control_lock,
+	.interdependent_update_lock = dcn10_lock_all_pipes,
+	.cursor_lock = dcn10_cursor_lock,
+	.prepare_bandwidth = dcn20_prepare_bandwidth,
+	.optimize_bandwidth = dcn20_optimize_bandwidth,
+	.update_bandwidth = dcn20_update_bandwidth,
+	.set_drr = dcn10_set_drr,
+	.get_position = dcn10_get_position,
+	.set_static_screen_control = dcn31_set_static_screen_control,
+	.setup_stereo = dcn10_setup_stereo,
+	.set_avmute = dcn30_set_avmute,
+	.log_hw_state = dcn10_log_hw_state,
+	.get_hw_state = dcn10_get_hw_state,
+	.log_color_state = dcn30_log_color_state,
+	.clear_status_bits = dcn10_clear_status_bits,
+	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.edp_power_control = dce110_edp_power_control,
+	.edp_wait_for_T12 = dce110_edp_wait_for_T12,
+	.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
+	.set_cursor_position = dcn10_set_cursor_position,
+	.set_cursor_attribute = dcn10_set_cursor_attribute,
+	.set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
+	.setup_periodic_interrupt = dcn10_setup_periodic_interrupt,
+	.set_clock = dcn10_set_clock,
+	.get_clock = dcn10_get_clock,
+	.program_triplebuffer = dcn20_program_triple_buffer,
+	.enable_writeback = dcn30_enable_writeback,
+	.disable_writeback = dcn30_disable_writeback,
+	.update_writeback = dcn30_update_writeback,
+	.dmdata_status_done = dcn20_dmdata_status_done,
+	.program_dmdata_engine = dcn30_program_dmdata_engine,
+	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
+	.init_sys_ctx = dcn31_init_sys_ctx,
+	.init_vm_ctx = dcn20_init_vm_ctx,
+	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
+	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+	.calc_vupdate_position = dcn10_calc_vupdate_position,
+	.setup_hdmi_frl_link = dcn30_setup_hdmi_frl_link,
+	.set_backlight_level = dcn21_set_backlight_level,
+	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
+	.set_pipe = dcn21_set_pipe,
+	.enable_lvds_link_output = dce110_enable_lvds_link_output,
+	.enable_tmds_link_output = dce110_enable_tmds_link_output,
+	.enable_dp_link_output = dce110_enable_dp_link_output,
+	.disable_link_output = dcn314_disable_link_output,
+	.z10_restore = dcn31_z10_restore,
+	.z10_save_init = dcn31_z10_save_init,
+	.set_disp_pattern_generator = dcn30_set_disp_pattern_generator,
+	.optimize_pwr_state = dcn21_optimize_pwr_state,
+	.exit_optimized_pwr_state = dcn21_exit_optimized_pwr_state,
+	.update_visual_confirm_color = dcn10_update_visual_confirm_color,
+	.calculate_pix_rate_divider = dcn314_calculate_pix_rate_divider,
+	.setup_hpo_hw_control = dcn31_setup_hpo_hw_control,
+	.get_underflow_debug_data = dcn30_get_underflow_debug_data,
+};
+
+static const struct hwseq_private_funcs dcn314_private_funcs = {
+	.init_pipes = dcn10_init_pipes,
+	.plane_atomic_disconnect = dcn10_plane_atomic_disconnect,
+	.update_mpcc = dcn20_update_mpcc,
+	.set_input_transfer_func = dcn30_set_input_transfer_func,
+	.set_output_transfer_func = dcn30_set_output_transfer_func,
+	.power_down = dce110_power_down,
+	.enable_display_power_gating = dcn10_dummy_display_power_gating,
+	.blank_pixel_data = dcn20_blank_pixel_data,
+	.reset_hw_ctx_wrap = dcn31_reset_hw_ctx_wrap,
+	.enable_stream_timing = dcn20_enable_stream_timing,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.disable_stream_gating = dcn20_disable_stream_gating,
+	.enable_stream_gating = dcn20_enable_stream_gating,
+	.setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt,
+	.did_underflow_occur = dcn10_did_underflow_occur,
+	.init_blank = dcn20_init_blank,
+	.disable_vga = dcn20_disable_vga,
+	.bios_golden_init = dcn10_bios_golden_init,
+	.plane_atomic_disable = dcn20_plane_atomic_disable,
+	.plane_atomic_power_down = dcn10_plane_atomic_power_down,
+	.enable_power_gating_plane = dcn314_enable_power_gating_plane,
+	.dpp_root_clock_control = dcn314_dpp_root_clock_control,
+	.hubp_pg_control = dcn31_hubp_pg_control,
+	.dpp_pg_control = dcn314_dpp_pg_control,
+	.program_all_writeback_pipes_in_tree = dcn30_program_all_writeback_pipes_in_tree,
+	.update_odm = dcn314_update_odm,
+	.dsc_pg_control = dcn314_dsc_pg_control,
+	.set_hdr_multiplier = dcn10_set_hdr_multiplier,
+	.verify_allow_pstate_change_high = dcn10_verify_allow_pstate_change_high,
+	.wait_for_blank_complete = dcn20_wait_for_blank_complete,
+	.set_blend_lut = dcn30_set_blend_lut,
+	.set_shaper_3dlut = dcn20_set_shaper_3dlut,
+	.setup_hpo_hw_control = dcn31_setup_hpo_hw_control,
+	.calculate_dccg_k1_k2_values = dcn314_calculate_dccg_k1_k2_values,
+	.resync_fifo_dccg_dio = dcn314_resync_fifo_dccg_dio,
+	.wait_for_pipe_update_if_needed = dcn10_wait_for_pipe_update_if_needed,
+	.set_wait_for_update_needed_for_pipe = dcn10_set_wait_for_update_needed_for_pipe,
+};
+
+void dcn314_hw_sequencer_construct(struct dc *dc)
+{
+	dc->hwss = dcn314_funcs;
+	dc->hwseq->funcs = dcn314_private_funcs;
+
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.h

@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2022 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_DCN314_INIT_H__
+#define __DC_DCN314_INIT_H__
+
+struct dc;
+
+void dcn314_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_DCN314_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.h

@@ -0,0 +1,135 @@
+/*
+* Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCN32_H__
+#define __DC_HWSS_DCN32_H__
+
+#include "hw_sequencer_private.h"
+
+struct dc;
+
+void dcn32_dsc_pg_control(
+		struct dce_hwseq *hws,
+		unsigned int dsc_inst,
+		bool power_on);
+
+void dcn32_enable_power_gating_plane(
+	struct dce_hwseq *hws,
+	bool enable);
+
+void dcn32_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on);
+
+bool dcn32_apply_idle_power_optimizations(struct dc *dc, bool enable);
+
+void dcn32_cab_for_ss_control(struct dc *dc, bool enable);
+
+void dcn32_commit_subvp_config(struct dc *dc, struct dc_state *context);
+
+bool dcn32_set_mcm_luts(struct pipe_ctx *pipe_ctx,
+				const struct dc_plane_state *plane_state);
+
+bool dcn32_set_input_transfer_func(struct dc *dc,
+				struct pipe_ctx *pipe_ctx,
+				const struct dc_plane_state *plane_state);
+
+bool dcn32_set_mpc_shaper_3dlut(
+	struct pipe_ctx *pipe_ctx, const struct dc_stream_state *stream);
+
+bool dcn32_set_output_transfer_func(struct dc *dc,
+				struct pipe_ctx *pipe_ctx,
+				const struct dc_stream_state *stream);
+
+void dcn32_init_hw(struct dc *dc);
+
+void dcn32_program_mall_pipe_config(struct dc *dc, struct dc_state *context);
+
+void dcn32_update_mall_sel(struct dc *dc, struct dc_state *context);
+
+void dcn32_update_force_pstate(struct dc *dc, struct dc_state *context);
+
+void dcn32_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx);
+
+void dcn32_update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable);
+
+unsigned int dcn32_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int *k1_div, unsigned int *k2_div);
+
+void dcn32_resync_fifo_dccg_dio(struct dce_hwseq *hws, struct dc *dc, struct dc_state *context, unsigned int current_pipe_idx);
+
+void dcn32_subvp_pipe_control_lock(struct dc *dc,
+		struct dc_state *context,
+		bool lock,
+		bool should_lock_all_pipes,
+		struct pipe_ctx *top_pipe_to_program,
+		bool subvp_prev_use);
+
+void dcn32_subvp_pipe_control_lock_fast(union block_sequence_params *params);
+
+void dcn32_unblank_stream(struct pipe_ctx *pipe_ctx,
+		struct dc_link_settings *link_settings);
+
+bool dcn32_is_dp_dig_pixel_rate_div_policy(struct pipe_ctx *pipe_ctx);
+
+void dcn32_calculate_pix_rate_divider(struct dc *dc, struct dc_state *context, const struct dc_stream_state *stream);
+
+void dcn32_disable_link_output(struct dc_link *link,
+		const struct link_resource *link_res,
+		enum signal_type signal);
+
+void dcn32_update_phantom_vp_position(struct dc *dc,
+		struct dc_state *context,
+		struct pipe_ctx *phantom_pipe);
+
+void dcn32_apply_update_flags_for_phantom(struct pipe_ctx *phantom_pipe);
+
+bool dcn32_dsc_pg_status(
+		struct dce_hwseq *hws,
+		unsigned int dsc_inst);
+
+void dcn32_update_dsc_pg(struct dc *dc,
+		struct dc_state *context,
+		bool safe_to_disable);
+
+void dcn32_enable_phantom_streams(struct dc *dc, struct dc_state *context);
+
+void dcn32_disable_phantom_streams(struct dc *dc, struct dc_state *context);
+
+void dcn32_init_blank(
+		struct dc *dc,
+		struct timing_generator *tg);
+
+bool dcn32_is_pipe_topology_transition_seamless(struct dc *dc,
+		const struct dc_state *cur_ctx,
+		const struct dc_state *new_ctx);
+
+void dcn32_prepare_bandwidth(struct dc *dc,
+	struct dc_state *context);
+
+void dcn32_interdependent_update_lock(struct dc *dc,
+		struct dc_state *context, bool lock);
+
+void dcn32_program_outstanding_updates(struct dc *dc,
+		struct dc_state *context);
+
+#endif /* __DC_HWSS_DCN32_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c

@@ -0,0 +1,178 @@
+/*
+ * Copyright 2022 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dce110/dce110_hwseq.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "dcn20/dcn20_hwseq.h"
+#include "dcn21/dcn21_hwseq.h"
+#include "dcn30/dcn30_hwseq.h"
+#include "dcn31/dcn31_hwseq.h"
+#include "dcn32/dcn32_hwseq.h"
+#include "dcn401/dcn401_hwseq.h"
+#include "dml/dcn32/dcn32_fpu.h"
+#include "dcn32_init.h"
+
+static const struct hw_sequencer_funcs dcn32_funcs = {
+	.program_gamut_remap = dcn30_program_gamut_remap,
+	.init_hw = dcn32_init_hw,
+	.apply_ctx_to_hw = dce110_apply_ctx_to_hw,
+	.apply_ctx_for_surface = NULL,
+	.program_front_end_for_ctx = dcn20_program_front_end_for_ctx,
+	.clear_surface_dcc_and_tiling = dcn10_reset_surface_dcc_and_tiling,
+	.wait_for_pending_cleared = dcn10_wait_for_pending_cleared,
+	.post_unlock_program_front_end = dcn20_post_unlock_program_front_end,
+	.update_plane_addr = dcn20_update_plane_addr,
+	.update_dchub = dcn10_update_dchub,
+	.update_pending_status = dcn10_update_pending_status,
+	.program_output_csc = dcn20_program_output_csc,
+	.enable_accelerated_mode = dce110_enable_accelerated_mode,
+	.enable_timing_synchronization = dcn10_enable_timing_synchronization,
+	.enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset,
+	.update_info_frame = dcn31_update_info_frame,
+	.send_immediate_sdp_message = dcn10_send_immediate_sdp_message,
+	.enable_stream = dcn20_enable_stream,
+	.disable_stream = dce110_disable_stream,
+	.unblank_stream = dcn32_unblank_stream,
+	.blank_stream = dce110_blank_stream,
+	.enable_audio_stream = dce110_enable_audio_stream,
+	.disable_audio_stream = dce110_disable_audio_stream,
+	.disable_plane = dcn20_disable_plane,
+	.disable_pixel_data = dcn20_disable_pixel_data,
+	.pipe_control_lock = dcn20_pipe_control_lock,
+	.interdependent_update_lock = dcn32_interdependent_update_lock,
+	.cursor_lock = dcn10_cursor_lock,
+	.prepare_bandwidth = dcn32_prepare_bandwidth,
+	.optimize_bandwidth = dcn20_optimize_bandwidth,
+	.update_bandwidth = dcn20_update_bandwidth,
+	.set_drr = dcn10_set_drr,
+	.get_position = dcn10_get_position,
+	.set_static_screen_control = dcn31_set_static_screen_control,
+	.setup_stereo = dcn10_setup_stereo,
+	.set_avmute = dcn30_set_avmute,
+	.log_hw_state = dcn10_log_hw_state,
+	.get_hw_state = dcn10_get_hw_state,
+	.clear_status_bits = dcn10_clear_status_bits,
+	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.edp_power_control = dce110_edp_power_control,
+	.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
+	.edp_wait_for_T12 = dce110_edp_wait_for_T12,
+	.set_cursor_position = dcn10_set_cursor_position,
+	.set_cursor_attribute = dcn10_set_cursor_attribute,
+	.set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
+	.setup_periodic_interrupt = dcn10_setup_periodic_interrupt,
+	.set_clock = dcn10_set_clock,
+	.get_clock = dcn10_get_clock,
+	.program_triplebuffer = dcn20_program_triple_buffer,
+	.enable_writeback = dcn30_enable_writeback,
+	.disable_writeback = dcn30_disable_writeback,
+	.update_writeback = dcn30_update_writeback,
+	.dmdata_status_done = dcn20_dmdata_status_done,
+	.program_dmdata_engine = dcn30_program_dmdata_engine,
+	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
+	.init_sys_ctx = dcn20_init_sys_ctx,
+	.init_vm_ctx = dcn20_init_vm_ctx,
+	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
+	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+	.calc_vupdate_position = dcn10_calc_vupdate_position,
+	.setup_hdmi_frl_link = dcn30_setup_hdmi_frl_link,
+	.get_max_dispclk_mhz = dcn32_get_max_dispclk_mhz,
+	.apply_idle_power_optimizations = dcn32_apply_idle_power_optimizations,
+	.does_plane_fit_in_mall = NULL,
+	.set_backlight_level = dcn31_set_backlight_level,
+	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
+	.hardware_release = dcn30_hardware_release,
+	.set_pipe = dcn21_set_pipe,
+	.enable_lvds_link_output = dce110_enable_lvds_link_output,
+	.enable_tmds_link_output = dce110_enable_tmds_link_output,
+	.enable_dp_link_output = dce110_enable_dp_link_output,
+	.disable_link_output = dcn32_disable_link_output,
+	.set_disp_pattern_generator = dcn30_set_disp_pattern_generator,
+	.get_dcc_en_bits = dcn10_get_dcc_en_bits,
+	.commit_subvp_config = dcn32_commit_subvp_config,
+	.enable_phantom_streams = dcn32_enable_phantom_streams,
+	.disable_phantom_streams = dcn32_disable_phantom_streams,
+	.subvp_pipe_control_lock = dcn32_subvp_pipe_control_lock,
+	.update_visual_confirm_color = dcn10_update_visual_confirm_color,
+	.subvp_pipe_control_lock_fast = dcn32_subvp_pipe_control_lock_fast,
+	.update_phantom_vp_position = dcn32_update_phantom_vp_position,
+	.update_dsc_pg = dcn32_update_dsc_pg,
+	.apply_update_flags_for_phantom = dcn32_apply_update_flags_for_phantom,
+	.is_pipe_topology_transition_seamless = dcn32_is_pipe_topology_transition_seamless,
+	.calculate_pix_rate_divider = dcn32_calculate_pix_rate_divider,
+	.program_outstanding_updates = dcn32_program_outstanding_updates,
+	.wait_for_all_pending_updates = dcn30_wait_for_all_pending_updates,
+	.get_underflow_debug_data = dcn30_get_underflow_debug_data,
+};
+
+static const struct hwseq_private_funcs dcn32_private_funcs = {
+	.init_pipes = dcn10_init_pipes,
+	.plane_atomic_disconnect = dcn10_plane_atomic_disconnect,
+	.update_mpcc = dcn20_update_mpcc,
+	.set_input_transfer_func = dcn32_set_input_transfer_func,
+	.set_output_transfer_func = dcn32_set_output_transfer_func,
+	.power_down = dce110_power_down,
+	.enable_display_power_gating = dcn10_dummy_display_power_gating,
+	.blank_pixel_data = dcn20_blank_pixel_data,
+	.reset_hw_ctx_wrap = dcn20_reset_hw_ctx_wrap,
+	.enable_stream_timing = dcn20_enable_stream_timing,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.disable_stream_gating = dcn20_disable_stream_gating,
+	.enable_stream_gating = dcn20_enable_stream_gating,
+	.setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt,
+	.did_underflow_occur = dcn10_did_underflow_occur,
+	.init_blank = dcn32_init_blank,
+	.disable_vga = dcn20_disable_vga,
+	.bios_golden_init = dcn10_bios_golden_init,
+	.plane_atomic_disable = dcn20_plane_atomic_disable,
+	.plane_atomic_power_down = dcn10_plane_atomic_power_down,
+	.enable_power_gating_plane = dcn32_enable_power_gating_plane,
+	.hubp_pg_control = dcn32_hubp_pg_control,
+	.program_all_writeback_pipes_in_tree = dcn30_program_all_writeback_pipes_in_tree,
+	.update_odm = dcn32_update_odm,
+	.dsc_pg_control = dcn32_dsc_pg_control,
+	.dsc_pg_status = dcn32_dsc_pg_status,
+	.set_hdr_multiplier = dcn10_set_hdr_multiplier,
+	.verify_allow_pstate_change_high = dcn10_verify_allow_pstate_change_high,
+	.wait_for_blank_complete = dcn20_wait_for_blank_complete,
+	.set_mcm_luts = dcn32_set_mcm_luts,
+	.program_mall_pipe_config = dcn32_program_mall_pipe_config,
+	.update_force_pstate = dcn32_update_force_pstate,
+	.update_mall_sel = dcn32_update_mall_sel,
+	.calculate_dccg_k1_k2_values = dcn32_calculate_dccg_k1_k2_values,
+	.resync_fifo_dccg_dio = dcn32_resync_fifo_dccg_dio,
+	.is_dp_dig_pixel_rate_div_policy = dcn32_is_dp_dig_pixel_rate_div_policy,
+	.apply_single_controller_ctx_to_hw = dce110_apply_single_controller_ctx_to_hw,
+	.reset_back_end_for_pipe = dcn20_reset_back_end_for_pipe,
+	.wait_for_pipe_update_if_needed = dcn10_wait_for_pipe_update_if_needed,
+	.set_wait_for_update_needed_for_pipe = dcn10_set_wait_for_update_needed_for_pipe,
+};
+
+void dcn32_hw_sequencer_init_functions(struct dc *dc)
+{
+	dc->hwss = dcn32_funcs;
+	dc->hwseq->funcs = dcn32_private_funcs;
+
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2022 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_DCN32_INIT_H__
+#define __DC_DCN32_INIT_H__
+
+struct dc;
+
+void dcn32_hw_sequencer_init_functions(struct dc *dc);
+
+#endif /* __DC_DCN32_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.h

@@ -0,0 +1,117 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCN35_H__
+#define __DC_HWSS_DCN35_H__
+
+#include "hw_sequencer_private.h"
+
+struct dc;
+
+void dcn35_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx);
+
+void dcn35_dsc_pg_control(struct dce_hwseq *hws, unsigned int dsc_inst, bool power_on);
+
+void dcn35_dpp_root_clock_control(struct dce_hwseq *hws, unsigned int dpp_inst, bool clock_on);
+
+void dcn35_dpstream_root_clock_control(struct dce_hwseq *hws, unsigned int dp_hpo_inst, bool clock_on);
+
+void dcn35_hdmistream_root_clock_control(struct dce_hwseq *hws, bool clock_on);
+
+void dcn35_physymclk_root_clock_control(struct dce_hwseq *hws, unsigned int phy_inst, bool clock_on);
+
+void dcn35_enable_power_gating_plane(struct dce_hwseq *hws, bool enable);
+
+void dcn35_set_dmu_fgcg(struct dce_hwseq *hws, bool enable);
+
+void dcn35_init_hw(struct dc *dc);
+
+void dcn35_disable_link_output(struct dc_link *link,
+		const struct link_resource *link_res,
+		enum signal_type signal);
+
+void dcn35_power_down_on_boot(struct dc *dc);
+
+bool dcn35_apply_idle_power_optimizations(struct dc *dc, bool enable);
+
+void dcn35_z10_restore(const struct dc *dc);
+
+void dcn35_init_pipes(struct dc *dc, struct dc_state *context);
+void dcn35_plane_atomic_disable(struct dc *dc, struct pipe_ctx *pipe_ctx);
+void dcn35_enable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx,
+			       struct dc_state *context);
+void dcn35_disable_plane(struct dc *dc, struct dc_state *state, struct pipe_ctx *pipe_ctx);
+
+void dcn35_calc_blocks_to_gate(struct dc *dc, struct dc_state *context,
+	struct pg_block_update *update_state);
+void dcn35_calc_blocks_to_ungate(struct dc *dc, struct dc_state *context,
+	struct pg_block_update *update_state);
+void dcn35_hw_block_power_up(struct dc *dc,
+	struct pg_block_update *update_state);
+void dcn35_hw_block_power_down(struct dc *dc,
+	struct pg_block_update *update_state);
+void dcn35_root_clock_control(struct dc *dc,
+	struct pg_block_update *update_state, bool power_on);
+
+void dcn35_prepare_bandwidth(
+		struct dc *dc,
+		struct dc_state *context);
+
+void dcn35_optimize_bandwidth(
+		struct dc *dc,
+		struct dc_state *context);
+
+void dcn35_setup_hpo_hw_control(const struct dce_hwseq *hws, bool enable);
+void dcn35_dsc_pg_control(
+		struct dce_hwseq *hws,
+		unsigned int dsc_inst,
+		bool power_on);
+
+void dcn35_set_drr(struct pipe_ctx **pipe_ctx,
+		int num_pipes, struct dc_crtc_timing_adjust adjust);
+
+void dcn35_set_static_screen_control(struct pipe_ctx **pipe_ctx,
+		int num_pipes, const struct dc_static_screen_params *params);
+
+void dcn35_set_long_vblank(struct pipe_ctx **pipe_ctx,
+		int num_pipes, uint32_t v_total_min, uint32_t v_total_max);
+
+bool dcn35_is_dp_dig_pixel_rate_div_policy(struct pipe_ctx *pipe_ctx);
+
+void dcn35_hardware_release(struct dc *dc);
+
+void dcn35_abort_cursor_offload_update(struct dc *dc, const struct pipe_ctx *pipe);
+void dcn35_begin_cursor_offload_update(struct dc *dc, const struct pipe_ctx *pipe);
+void dcn35_commit_cursor_offload_update(struct dc *dc, const struct pipe_ctx *pipe);
+void dcn35_update_cursor_offload_pipe(struct dc *dc, const struct pipe_ctx *pipe);
+void dcn35_notify_cursor_offload_drr_update(struct dc *dc, struct dc_state *context,
+					    const struct dc_stream_state *stream);
+void dcn35_program_cursor_offload_now(struct dc *dc, const struct pipe_ctx *pipe);
+void dcn35_disable_link_output(struct dc_link *link,
+		const struct link_resource *link_res,
+		enum signal_type signal);
+
+#endif /* __DC_HWSS_DCN35_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c

@@ -0,0 +1,185 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dce110/dce110_hwseq.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "dcn20/dcn20_hwseq.h"
+#include "dcn21/dcn21_hwseq.h"
+#include "dcn30/dcn30_hwseq.h"
+#include "dcn301/dcn301_hwseq.h"
+#include "dcn31/dcn31_hwseq.h"
+#include "dcn314/dcn314_hwseq.h"
+#include "dcn32/dcn32_hwseq.h"
+#include "dcn35/dcn35_hwseq.h"
+
+#include "dcn35_init.h"
+
+static const struct hw_sequencer_funcs dcn35_funcs = {
+	.program_gamut_remap = dcn30_program_gamut_remap,
+	.init_hw = dcn35_init_hw,
+	.power_down_on_boot = dcn35_power_down_on_boot,
+	.apply_ctx_to_hw = dce110_apply_ctx_to_hw,
+	.apply_ctx_for_surface = NULL,
+	.program_front_end_for_ctx = dcn20_program_front_end_for_ctx,
+	.clear_surface_dcc_and_tiling = dcn10_reset_surface_dcc_and_tiling,
+	.wait_for_pending_cleared = dcn10_wait_for_pending_cleared,
+	.post_unlock_program_front_end = dcn20_post_unlock_program_front_end,
+	.update_plane_addr = dcn20_update_plane_addr,
+	.update_dchub = dcn10_update_dchub,
+	.update_pending_status = dcn10_update_pending_status,
+	.program_output_csc = dcn20_program_output_csc,
+	.enable_accelerated_mode = dce110_enable_accelerated_mode,
+	.enable_timing_synchronization = dcn10_enable_timing_synchronization,
+	.enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset,
+	.update_info_frame = dcn31_update_info_frame,
+	.send_immediate_sdp_message = dcn10_send_immediate_sdp_message,
+	.enable_stream = dcn20_enable_stream,
+	.disable_stream = dce110_disable_stream,
+	.unblank_stream = dcn32_unblank_stream,
+	.blank_stream = dce110_blank_stream,
+	.enable_audio_stream = dce110_enable_audio_stream,
+	.disable_audio_stream = dce110_disable_audio_stream,
+	.disable_plane = dcn35_disable_plane,
+	.disable_pixel_data = dcn20_disable_pixel_data,
+	.pipe_control_lock = dcn20_pipe_control_lock,
+	.interdependent_update_lock = dcn10_lock_all_pipes,
+	.cursor_lock = dcn10_cursor_lock,
+	.prepare_bandwidth = dcn35_prepare_bandwidth,
+	.optimize_bandwidth = dcn35_optimize_bandwidth,
+	.update_bandwidth = dcn20_update_bandwidth,
+	.set_drr = dcn35_set_drr,
+	.get_position = dcn10_get_position,
+	.set_static_screen_control = dcn35_set_static_screen_control,
+	.setup_stereo = dcn10_setup_stereo,
+	.set_avmute = dcn30_set_avmute,
+	.log_hw_state = dcn10_log_hw_state,
+	.get_hw_state = dcn10_get_hw_state,
+	.clear_status_bits = dcn10_clear_status_bits,
+	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.edp_power_control = dce110_edp_power_control,
+	.edp_wait_for_T12 = dce110_edp_wait_for_T12,
+	.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
+	.set_cursor_position = dcn10_set_cursor_position,
+	.set_cursor_attribute = dcn10_set_cursor_attribute,
+	.set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
+	.abort_cursor_offload_update = dcn35_abort_cursor_offload_update,
+	.begin_cursor_offload_update = dcn35_begin_cursor_offload_update,
+	.commit_cursor_offload_update = dcn35_commit_cursor_offload_update,
+	.update_cursor_offload_pipe = dcn35_update_cursor_offload_pipe,
+	.notify_cursor_offload_drr_update = dcn35_notify_cursor_offload_drr_update,
+	.program_cursor_offload_now = dcn35_program_cursor_offload_now,
+	.setup_periodic_interrupt = dcn10_setup_periodic_interrupt,
+	.set_clock = dcn10_set_clock,
+	.get_clock = dcn10_get_clock,
+	.program_triplebuffer = dcn20_program_triple_buffer,
+	.enable_writeback = dcn30_enable_writeback,
+	.disable_writeback = dcn30_disable_writeback,
+	.update_writeback = dcn30_update_writeback,
+	.dmdata_status_done = dcn20_dmdata_status_done,
+	.program_dmdata_engine = dcn30_program_dmdata_engine,
+	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
+	.init_sys_ctx = dcn31_init_sys_ctx,
+	.init_vm_ctx = dcn20_init_vm_ctx,
+	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
+	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+	.calc_vupdate_position = dcn10_calc_vupdate_position,
+	.setup_hdmi_frl_link = dcn30_setup_hdmi_frl_link,
+	.set_backlight_level = dcn31_set_backlight_level,
+	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
+	.set_pipe = dcn21_set_pipe,
+	.enable_lvds_link_output = dce110_enable_lvds_link_output,
+	.enable_tmds_link_output = dce110_enable_tmds_link_output,
+	.enable_dp_link_output = dce110_enable_dp_link_output,
+	.disable_link_output = dcn35_disable_link_output,
+	.z10_restore = dcn35_z10_restore,
+	.z10_save_init = dcn31_z10_save_init,
+	.set_disp_pattern_generator = dcn30_set_disp_pattern_generator,
+	.optimize_pwr_state = dcn21_optimize_pwr_state,
+	.exit_optimized_pwr_state = dcn21_exit_optimized_pwr_state,
+	.update_visual_confirm_color = dcn10_update_visual_confirm_color,
+	.apply_idle_power_optimizations = dcn35_apply_idle_power_optimizations,
+	.calc_blocks_to_gate = dcn35_calc_blocks_to_gate,
+	.calc_blocks_to_ungate = dcn35_calc_blocks_to_ungate,
+	.hw_block_power_up = dcn35_hw_block_power_up,
+	.hw_block_power_down = dcn35_hw_block_power_down,
+	.root_clock_control = dcn35_root_clock_control,
+	.set_long_vtotal = dcn35_set_long_vblank,
+	.calculate_pix_rate_divider = dcn32_calculate_pix_rate_divider,
+	.hardware_release = dcn35_hardware_release,
+	.detect_pipe_changes = dcn20_detect_pipe_changes,
+	.enable_plane = dcn20_enable_plane,
+	.update_dchubp_dpp = dcn20_update_dchubp_dpp,
+	.post_unlock_reset_opp = dcn20_post_unlock_reset_opp,
+	.get_underflow_debug_data = dcn30_get_underflow_debug_data,
+};
+
+static const struct hwseq_private_funcs dcn35_private_funcs = {
+	.init_pipes = dcn35_init_pipes,
+	.plane_atomic_disconnect = dcn10_plane_atomic_disconnect,
+	.update_mpcc = dcn20_update_mpcc,
+	.set_input_transfer_func = dcn32_set_input_transfer_func,
+	.set_output_transfer_func = dcn32_set_output_transfer_func,
+	.power_down = dce110_power_down,
+	.enable_display_power_gating = dcn10_dummy_display_power_gating,
+	.blank_pixel_data = dcn20_blank_pixel_data,
+	.reset_hw_ctx_wrap = dcn31_reset_hw_ctx_wrap,
+	.enable_stream_timing = dcn20_enable_stream_timing,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt,
+	.did_underflow_occur = dcn10_did_underflow_occur,
+	.init_blank = dcn20_init_blank,
+	.disable_vga = NULL,
+	.bios_golden_init = dcn10_bios_golden_init,
+	.plane_atomic_disable = dcn35_plane_atomic_disable,
+	//.plane_atomic_disable = dcn20_plane_atomic_disable,/*todo*/
+	//.hubp_pg_control = dcn35_hubp_pg_control,
+	.dpp_root_clock_control = dcn35_dpp_root_clock_control,
+	.dpstream_root_clock_control = dcn35_dpstream_root_clock_control,
+	.hdmistream_root_clock_control = dcn35_hdmistream_root_clock_control,
+	.physymclk_root_clock_control = dcn35_physymclk_root_clock_control,
+	.program_all_writeback_pipes_in_tree = dcn30_program_all_writeback_pipes_in_tree,
+	.update_odm = dcn35_update_odm,
+	.set_hdr_multiplier = dcn10_set_hdr_multiplier,
+	.verify_allow_pstate_change_high = dcn10_verify_allow_pstate_change_high,
+	.wait_for_blank_complete = dcn20_wait_for_blank_complete,
+	.set_mcm_luts = dcn32_set_mcm_luts,
+	.setup_hpo_hw_control = dcn35_setup_hpo_hw_control,
+	.calculate_dccg_k1_k2_values = dcn32_calculate_dccg_k1_k2_values,
+	.resync_fifo_dccg_dio = dcn314_resync_fifo_dccg_dio,
+	.is_dp_dig_pixel_rate_div_policy = dcn35_is_dp_dig_pixel_rate_div_policy,
+	.dsc_pg_status = dcn32_dsc_pg_status,
+	.enable_plane = dcn35_enable_plane,
+	.wait_for_pipe_update_if_needed = dcn10_wait_for_pipe_update_if_needed,
+	.set_wait_for_update_needed_for_pipe = dcn10_set_wait_for_update_needed_for_pipe,
+};
+
+void dcn35_hw_sequencer_construct(struct dc *dc)
+{
+	dc->hwss = dcn35_funcs;
+	dc->hwseq->funcs = dcn35_private_funcs;
+
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.h

@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_DCN35_INIT_H__
+#define __DC_DCN35_INIT_H__
+
+struct dc;
+
+void dcn35_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_DCN35_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn351/Makefile

@@ -0,0 +1,28 @@
+#
+# Copyright (c) 2022-2024 Advanced Micro Devices, Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+# Makefile for DCN351.
+
+DCN351 = dcn351_hwseq.o dcn351_init.o
+
+AMD_DAL_DCN351 = $(addprefix $(AMDDALPATH)/dc/dcn351/,$(DCN351))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_DCN351)

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_hwseq.c

@@ -0,0 +1,182 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2024 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "core_types.h"
+#include "resource.h"
+#include "dcn351_hwseq.h"
+#include "dcn35/dcn35_hwseq.h"
+
+#define DC_LOGGER_INIT(logger) \
+	struct dal_logger *dc_logger = logger
+
+#define DC_LOGGER \
+	dc_logger
+
+void dcn351_calc_blocks_to_gate(struct dc *dc, struct dc_state *context,
+	struct pg_block_update *update_state)
+{
+	int i, j;
+
+	dcn35_calc_blocks_to_gate(dc, context, update_state);
+
+	for (i = dc->res_pool->pipe_count - 1; i >= 0; i--) {
+		if (!update_state->pg_pipe_res_update[PG_HUBP][i] &&
+			!update_state->pg_pipe_res_update[PG_DPP][i]) {
+			for (j = i - 1; j >= 0; j--) {
+				update_state->pg_pipe_res_update[PG_HUBP][j] = false;
+				update_state->pg_pipe_res_update[PG_DPP][j] = false;
+			}
+
+			break;
+		}
+	}
+}
+
+void dcn351_calc_blocks_to_ungate(struct dc *dc, struct dc_state *context,
+	struct pg_block_update *update_state)
+{
+	int i, j;
+
+	dcn35_calc_blocks_to_ungate(dc, context, update_state);
+
+	for (i = dc->res_pool->pipe_count - 1; i >= 0; i--) {
+		if (update_state->pg_pipe_res_update[PG_HUBP][i] &&
+			update_state->pg_pipe_res_update[PG_DPP][i]) {
+			for (j = i - 1; j >= 0; j--) {
+				update_state->pg_pipe_res_update[PG_HUBP][j] = true;
+				update_state->pg_pipe_res_update[PG_DPP][j] = true;
+			}
+
+			break;
+		}
+	}
+}
+
+/**
+ * dcn351_hw_block_power_down() - power down sequence
+ *
+ * The following sequence describes the ON-OFF (ONO) for power down:
+ *
+ *	ONO Region 11, DCPG 19: dsc3
+ *	ONO Region 10, DCPG 3: dchubp3, dpp3
+ *	ONO Region 9, DCPG 18: dsc2
+ *	ONO Region 8, DCPG 2: dchubp2, dpp2
+ *	ONO Region 7, DCPG 17: dsc1
+ *	ONO Region 6, DCPG 1: dchubp1, dpp1
+ *	ONO Region 5, DCPG 16: dsc0
+ *	ONO Region 4, DCPG 0: dchubp0, dpp0
+ *	ONO Region 3, DCPG 25: hpo - SKIPPED. Should be kept on
+ *	ONO Region 2, DCPG 24: mpc opp optc dwb
+ *	ONO Region 1, DCPG 23: dchubbub dchvm dchubbubmem - SKIPPED. PMFW will pwr dwn at IPS2 entry
+ *	ONO Region 0, DCPG 22: dccg dio dcio - SKIPPED. will be pwr dwn after lono timer is armed
+ *
+ * @dc: Current DC state
+ * @update_state: update PG sequence states for HW block
+ */
+void dcn351_hw_block_power_down(struct dc *dc,
+	struct pg_block_update *update_state)
+{
+	int i = 0;
+	struct pg_cntl *pg_cntl = dc->res_pool->pg_cntl;
+
+	if (!pg_cntl || dc->debug.ignore_pg)
+		return;
+
+	for (i = dc->res_pool->pipe_count - 1; i >= 0; i--) {
+		if (update_state->pg_pipe_res_update[PG_DSC][i]) {
+			if (pg_cntl->funcs->dsc_pg_control)
+				pg_cntl->funcs->dsc_pg_control(pg_cntl, i, false);
+		}
+
+		if (update_state->pg_pipe_res_update[PG_HUBP][i] &&
+			update_state->pg_pipe_res_update[PG_DPP][i]) {
+			if (pg_cntl->funcs->hubp_dpp_pg_control)
+				pg_cntl->funcs->hubp_dpp_pg_control(pg_cntl, i, false);
+		}
+	}
+
+	// domain25 currently always on.
+
+	/* this will need all the clients to unregister optc interrupts, let dmubfw handle this */
+	if (pg_cntl->funcs->plane_otg_pg_control)
+		pg_cntl->funcs->plane_otg_pg_control(pg_cntl, false);
+
+	// domain23 currently always on.
+	// domain22 currently always on.
+}
+
+/**
+ * dcn351_hw_block_power_up() - power up sequence
+ *
+ * The following sequence describes the ON-OFF (ONO) for power up:
+ *
+ *	ONO Region 0, DCPG 22: dccg dio dcio - SKIPPED
+ *	ONO Region 1, DCPG 23: dchubbub dchvm dchubbubmem - SKIPPED. PMFW will power up at IPS2 exit
+ *	ONO Region 2, DCPG 24: mpc opp optc dwb
+ *	ONO Region 3, DCPG 25: hpo - SKIPPED
+ *	ONO Region 4, DCPG 0: dchubp0, dpp0
+ *	ONO Region 5, DCPG 16: dsc0
+ *	ONO Region 6, DCPG 1: dchubp1, dpp1
+ *	ONO Region 7, DCPG 17: dsc1
+ *	ONO Region 8, DCPG 2: dchubp2, dpp2
+ *	ONO Region 9, DCPG 18: dsc2
+ *	ONO Region 10, DCPG 3: dchubp3, dpp3
+ *	ONO Region 11, DCPG 19: dsc3
+ *
+ * @dc: Current DC state
+ * @update_state: update PG sequence states for HW block
+ */
+void dcn351_hw_block_power_up(struct dc *dc,
+	struct pg_block_update *update_state)
+{
+	unsigned int i = 0;
+	struct pg_cntl *pg_cntl = dc->res_pool->pg_cntl;
+
+	if (!pg_cntl || dc->debug.ignore_pg)
+		return;
+
+	// domain22 currently always on.
+	// domain23 currently always on.
+
+	/* this will need all the clients to unregister optc interrupts, let dmubfw handle this */
+	if (pg_cntl->funcs->plane_otg_pg_control)
+		pg_cntl->funcs->plane_otg_pg_control(pg_cntl, true);
+
+	// domain25 currently always on.
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		if (update_state->pg_pipe_res_update[PG_HUBP][i] &&
+			update_state->pg_pipe_res_update[PG_DPP][i]) {
+			if (pg_cntl->funcs->hubp_dpp_pg_control)
+				pg_cntl->funcs->hubp_dpp_pg_control(pg_cntl, i, true);
+		}
+
+		if (update_state->pg_pipe_res_update[PG_DSC][i]) {
+			if (pg_cntl->funcs->dsc_pg_control)
+				pg_cntl->funcs->dsc_pg_control(pg_cntl, i, true);
+		}
+	}
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_hwseq.h

@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2024 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HWSS_DCN351_H__
+#define __DC_HWSS_DCN351_H__
+
+#include "hw_sequencer_private.h"
+
+void dcn351_calc_blocks_to_gate(struct dc *dc, struct dc_state *context,
+	struct pg_block_update *update_state);
+void dcn351_calc_blocks_to_ungate(struct dc *dc, struct dc_state *context,
+	struct pg_block_update *update_state);
+void dcn351_hw_block_power_up(struct dc *dc,
+	struct pg_block_update *update_state);
+void dcn351_hw_block_power_down(struct dc *dc,
+	struct pg_block_update *update_state);
+
+#endif /* __DC_HWSS_DCN351_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c

@@ -0,0 +1,173 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dce110/dce110_hwseq.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "dcn20/dcn20_hwseq.h"
+#include "dcn21/dcn21_hwseq.h"
+#include "dcn30/dcn30_hwseq.h"
+#include "dcn301/dcn301_hwseq.h"
+#include "dcn31/dcn31_hwseq.h"
+#include "dcn32/dcn32_hwseq.h"
+#include "dcn35/dcn35_hwseq.h"
+#include "dcn351/dcn351_hwseq.h"
+
+#include "dcn351_init.h"
+
+static const struct hw_sequencer_funcs dcn351_funcs = {
+	.program_gamut_remap = dcn30_program_gamut_remap,
+	.init_hw = dcn35_init_hw,
+	.power_down_on_boot = dcn35_power_down_on_boot,
+	.apply_ctx_to_hw = dce110_apply_ctx_to_hw,
+	.apply_ctx_for_surface = NULL,
+	.program_front_end_for_ctx = dcn20_program_front_end_for_ctx,
+	.clear_surface_dcc_and_tiling = dcn10_reset_surface_dcc_and_tiling,
+	.wait_for_pending_cleared = dcn10_wait_for_pending_cleared,
+	.post_unlock_program_front_end = dcn20_post_unlock_program_front_end,
+	.update_plane_addr = dcn20_update_plane_addr,
+	.update_dchub = dcn10_update_dchub,
+	.update_pending_status = dcn10_update_pending_status,
+	.program_output_csc = dcn20_program_output_csc,
+	.enable_accelerated_mode = dce110_enable_accelerated_mode,
+	.enable_timing_synchronization = dcn10_enable_timing_synchronization,
+	.enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset,
+	.update_info_frame = dcn31_update_info_frame,
+	.send_immediate_sdp_message = dcn10_send_immediate_sdp_message,
+	.enable_stream = dcn20_enable_stream,
+	.disable_stream = dce110_disable_stream,
+	.unblank_stream = dcn32_unblank_stream,
+	.blank_stream = dce110_blank_stream,
+	.enable_audio_stream = dce110_enable_audio_stream,
+	.disable_audio_stream = dce110_disable_audio_stream,
+	.disable_plane = dcn35_disable_plane,
+	.disable_pixel_data = dcn20_disable_pixel_data,
+	.pipe_control_lock = dcn20_pipe_control_lock,
+	.interdependent_update_lock = dcn10_lock_all_pipes,
+	.cursor_lock = dcn10_cursor_lock,
+	.prepare_bandwidth = dcn35_prepare_bandwidth,
+	.optimize_bandwidth = dcn35_optimize_bandwidth,
+	.update_bandwidth = dcn20_update_bandwidth,
+	.set_drr = dcn35_set_drr,
+	.get_position = dcn10_get_position,
+	.set_static_screen_control = dcn35_set_static_screen_control,
+	.setup_stereo = dcn10_setup_stereo,
+	.set_avmute = dcn30_set_avmute,
+	.log_hw_state = dcn10_log_hw_state,
+	.get_hw_state = dcn10_get_hw_state,
+	.clear_status_bits = dcn10_clear_status_bits,
+	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.edp_power_control = dce110_edp_power_control,
+	.edp_wait_for_T12 = dce110_edp_wait_for_T12,
+	.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
+	.set_cursor_position = dcn10_set_cursor_position,
+	.set_cursor_attribute = dcn10_set_cursor_attribute,
+	.set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
+	.setup_periodic_interrupt = dcn10_setup_periodic_interrupt,
+	.set_clock = dcn10_set_clock,
+	.get_clock = dcn10_get_clock,
+	.program_triplebuffer = dcn20_program_triple_buffer,
+	.enable_writeback = dcn30_enable_writeback,
+	.disable_writeback = dcn30_disable_writeback,
+	.update_writeback = dcn30_update_writeback,
+	.dmdata_status_done = dcn20_dmdata_status_done,
+	.program_dmdata_engine = dcn30_program_dmdata_engine,
+	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
+	.init_sys_ctx = dcn31_init_sys_ctx,
+	.init_vm_ctx = dcn20_init_vm_ctx,
+	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
+	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+	.calc_vupdate_position = dcn10_calc_vupdate_position,
+	.setup_hdmi_frl_link = dcn30_setup_hdmi_frl_link,
+	.set_backlight_level = dcn31_set_backlight_level,
+	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
+	.set_pipe = dcn21_set_pipe,
+	.enable_lvds_link_output = dce110_enable_lvds_link_output,
+	.enable_tmds_link_output = dce110_enable_tmds_link_output,
+	.enable_dp_link_output = dce110_enable_dp_link_output,
+	.disable_link_output = dcn32_disable_link_output,
+	.z10_restore = dcn35_z10_restore,
+	.z10_save_init = dcn31_z10_save_init,
+	.set_disp_pattern_generator = dcn30_set_disp_pattern_generator,
+	.optimize_pwr_state = dcn21_optimize_pwr_state,
+	.exit_optimized_pwr_state = dcn21_exit_optimized_pwr_state,
+	.update_visual_confirm_color = dcn10_update_visual_confirm_color,
+	.apply_idle_power_optimizations = dcn35_apply_idle_power_optimizations,
+	.calc_blocks_to_gate = dcn351_calc_blocks_to_gate,
+	.calc_blocks_to_ungate = dcn351_calc_blocks_to_ungate,
+	.hw_block_power_up = dcn351_hw_block_power_up,
+	.hw_block_power_down = dcn351_hw_block_power_down,
+	.root_clock_control = dcn35_root_clock_control,
+	.set_long_vtotal = dcn35_set_long_vblank,
+	.calculate_pix_rate_divider = dcn32_calculate_pix_rate_divider,
+	.setup_hpo_hw_control = dcn35_setup_hpo_hw_control,
+	.get_underflow_debug_data = dcn30_get_underflow_debug_data,
+};
+
+static const struct hwseq_private_funcs dcn351_private_funcs = {
+	.init_pipes = dcn35_init_pipes,
+	.plane_atomic_disconnect = dcn10_plane_atomic_disconnect,
+	.update_mpcc = dcn20_update_mpcc,
+	.set_input_transfer_func = dcn32_set_input_transfer_func,
+	.set_output_transfer_func = dcn32_set_output_transfer_func,
+	.power_down = dce110_power_down,
+	.enable_display_power_gating = dcn10_dummy_display_power_gating,
+	.blank_pixel_data = dcn20_blank_pixel_data,
+	.reset_hw_ctx_wrap = dcn31_reset_hw_ctx_wrap,
+	.enable_stream_timing = dcn20_enable_stream_timing,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt,
+	.did_underflow_occur = dcn10_did_underflow_occur,
+	.init_blank = dcn20_init_blank,
+	.disable_vga = NULL,
+	.bios_golden_init = dcn10_bios_golden_init,
+	.plane_atomic_disable = dcn35_plane_atomic_disable,
+	//.plane_atomic_disable = dcn20_plane_atomic_disable,/*todo*/
+	//.hubp_pg_control = dcn35_hubp_pg_control,
+	.dpp_root_clock_control = dcn35_dpp_root_clock_control,
+	.dpstream_root_clock_control = dcn35_dpstream_root_clock_control,
+	.hdmistream_root_clock_control = dcn35_hdmistream_root_clock_control,
+	.physymclk_root_clock_control = dcn35_physymclk_root_clock_control,
+	.program_all_writeback_pipes_in_tree = dcn30_program_all_writeback_pipes_in_tree,
+	.update_odm = dcn35_update_odm,
+	.set_hdr_multiplier = dcn10_set_hdr_multiplier,
+	.verify_allow_pstate_change_high = dcn10_verify_allow_pstate_change_high,
+	.wait_for_blank_complete = dcn20_wait_for_blank_complete,
+	.set_mcm_luts = dcn32_set_mcm_luts,
+	.setup_hpo_hw_control = dcn35_setup_hpo_hw_control,
+	.calculate_dccg_k1_k2_values = dcn32_calculate_dccg_k1_k2_values,
+	.is_dp_dig_pixel_rate_div_policy = dcn35_is_dp_dig_pixel_rate_div_policy,
+	.dsc_pg_status = dcn32_dsc_pg_status,
+	.enable_plane = dcn35_enable_plane,
+	.wait_for_pipe_update_if_needed = dcn10_wait_for_pipe_update_if_needed,
+	.set_wait_for_update_needed_for_pipe = dcn10_set_wait_for_update_needed_for_pipe,
+};
+
+void dcn351_hw_sequencer_construct(struct dc *dc)
+{
+	dc->hwss = dcn351_funcs;
+	dc->hwseq->funcs = dcn351_private_funcs;
+
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_DCN351_INIT_H__
+#define __DC_DCN351_INIT_H__
+
+struct dc;
+
+void dcn351_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_DCN351_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.h

@@ -0,0 +1,213 @@
+// SPDX-License-Identifier: MIT
+//
+// Copyright 2024 Advanced Micro Devices, Inc.
+
+#ifndef __DC_HWSS_DCN401_H__
+#define __DC_HWSS_DCN401_H__
+
+#include "inc/core_types.h"
+#include "dc.h"
+#include "dc_stream.h"
+#include "hw_sequencer_private.h"
+#include "hwss/hw_sequencer.h"
+#include "dcn401/dcn401_dccg.h"
+
+struct dc;
+
+enum ips_ono_state {
+	ONO_ON = 0,
+	ONO_ON_IN_PROGRESS = 1,
+	ONO_OFF = 2,
+	ONO_OFF_IN_PROGRESS = 3
+};
+
+struct ips_ono_region_state {
+	/**
+	 * @desire_pwr_state: desired power state based on configured value
+	 */
+	uint32_t desire_pwr_state;
+	/**
+	 * @current_pwr_state: current power gate status
+	 */
+	uint32_t current_pwr_state;
+};
+
+void dcn401_program_gamut_remap(struct pipe_ctx *pipe_ctx);
+
+void dcn401_init_hw(struct dc *dc);
+
+bool dcn401_set_mcm_luts(struct pipe_ctx *pipe_ctx,
+				const struct dc_plane_state *plane_state);
+bool dcn401_set_output_transfer_func(struct dc *dc,
+				struct pipe_ctx *pipe_ctx,
+				const struct dc_stream_state *stream);
+void dcn401_trigger_3dlut_dma_load(struct dc *dc,
+				struct pipe_ctx *pipe_ctx);
+void dcn401_calculate_dccg_tmds_div_value(struct pipe_ctx *pipe_ctx,
+				unsigned int *tmds_div);
+enum dc_status dcn401_enable_stream_timing(
+				struct pipe_ctx *pipe_ctx,
+				struct dc_state *context,
+				struct dc *dc);
+void dcn401_enable_stream(struct pipe_ctx *pipe_ctx);
+void dcn401_populate_mcm_luts(struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		struct dc_cm2_func_luts mcm_luts,
+		bool lut_bank_a);
+void dcn401_setup_hpo_hw_control(const struct dce_hwseq *hws, bool enable);
+
+void dcn401_disable_link_output(struct dc_link *link,
+		const struct link_resource *link_res,
+		enum signal_type signal);
+
+void dcn401_set_cursor_position(struct pipe_ctx *pipe_ctx);
+
+bool dcn401_apply_idle_power_optimizations(struct dc *dc, bool enable);
+
+void dcn401_wait_for_dcc_meta_propagation(const struct dc *dc,
+		const struct pipe_ctx *top_pipe_to_program);
+
+void dcn401_prepare_bandwidth(struct dc *dc,
+		struct dc_state *context);
+
+void dcn401_optimize_bandwidth(
+		struct dc *dc,
+		struct dc_state *context);
+
+void dcn401_dmub_hw_control_lock(struct dc *dc,
+		struct dc_state *context,
+		bool lock);
+void dcn401_fams2_update_config(struct dc *dc, struct dc_state *context, bool enable);
+void dcn401_dmub_hw_control_lock_fast(union block_sequence_params *params);
+void dcn401_unblank_stream(struct pipe_ctx *pipe_ctx, struct dc_link_settings *link_settings);
+void dcn401_hardware_release(struct dc *dc);
+void dcn401_update_odm(struct dc *dc, struct dc_state *context,
+		struct pipe_ctx *otg_master);
+void dcn401_update_odm_sequence(struct dc *dc, struct dc_state *context,
+		struct pipe_ctx *otg_master, struct block_sequence_state *seq_state);
+void adjust_hotspot_between_slices_for_2x_magnify(uint32_t cursor_width, struct dc_cursor_position *pos_cpy);
+void dcn401_wait_for_det_buffer_update_under_otg_master(struct dc *dc, struct dc_state *context, struct pipe_ctx *otg_master);
+void dcn401_interdependent_update_lock(struct dc *dc, struct dc_state *context, bool lock);
+void dcn401_program_outstanding_updates(struct dc *dc, struct dc_state *context);
+void dcn401_reset_back_end_for_pipe(
+		struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		struct dc_state *context);
+void dcn401_reset_hw_ctx_wrap(
+		struct dc *dc,
+		struct dc_state *context);
+void dcn401_program_pipe(
+	struct dc *dc,
+	struct pipe_ctx *pipe_ctx,
+	struct dc_state *context);
+void dcn401_program_pipe_sequence(
+	struct dc *dc,
+	struct pipe_ctx *pipe_ctx,
+	struct dc_state *context,
+	struct block_sequence_state *seq_state);
+void dcn401_perform_3dlut_wa_unlock(struct pipe_ctx *pipe_ctx);
+void dcn401_program_front_end_for_ctx(struct dc *dc, struct dc_state *context);
+void dcn401_post_unlock_program_front_end(struct dc *dc, struct dc_state *context);
+bool dcn401_update_bandwidth(struct dc *dc, struct dc_state *context);
+void dcn401_detect_pipe_changes(
+	struct dc_state *old_state,
+	struct dc_state *new_state,
+	struct pipe_ctx *old_pipe,
+	struct pipe_ctx *new_pipe);
+void dcn401_plane_atomic_power_down(struct dc *dc,
+		struct dpp *dpp,
+		struct hubp *hubp);
+void dcn401_plane_atomic_power_down_sequence(struct dc *dc,
+		struct dpp *dpp,
+		struct hubp *hubp,
+		struct block_sequence_state *seq_state);
+void dcn401_plane_atomic_disconnect_sequence(struct dc *dc,
+		struct dc_state *state,
+		struct pipe_ctx *pipe_ctx,
+		struct block_sequence_state *seq_state);
+void dcn401_blank_pixel_data_sequence(
+	struct dc *dc,
+	struct pipe_ctx *pipe_ctx,
+	bool blank,
+	struct block_sequence_state *seq_state);
+void dcn401_initialize_min_clocks(struct dc *dc);
+void dcn401_update_cursor_offload_pipe(struct dc *dc, const struct pipe_ctx *pipe);
+
+void dcn401_program_all_writeback_pipes_in_tree_sequence(
+		struct dc *dc,
+		const struct dc_stream_state *stream,
+		struct dc_state *context,
+		struct block_sequence_state *seq_state);
+
+void dcn401_enable_writeback_sequence(
+		struct dc *dc,
+		struct dc_writeback_info *wb_info,
+		struct dc_state *context,
+		int mpcc_inst,
+		struct block_sequence_state *seq_state);
+
+void dcn401_disable_writeback_sequence(
+		struct dc *dc,
+		struct dc_writeback_info *wb_info,
+		struct block_sequence_state *seq_state);
+
+void dcn401_update_writeback_sequence(
+		struct dc *dc,
+		struct dc_writeback_info *wb_info,
+		struct dc_state *context,
+		struct block_sequence_state *seq_state);
+
+void dcn401_setup_gsl_group_as_lock_sequence(
+		const struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		bool enable,
+		struct block_sequence_state *seq_state);
+
+void dcn401_disable_plane_sequence(
+		struct dc *dc,
+		struct dc_state *state,
+		struct pipe_ctx *pipe_ctx,
+		struct block_sequence_state *seq_state);
+
+void dcn401_post_unlock_reset_opp_sequence(
+		struct dc *dc,
+		struct pipe_ctx *opp_head,
+		struct block_sequence_state *seq_state);
+
+void dcn401_dc_ip_request_cntl(struct dc *dc, bool enable);
+
+void dcn401_enable_plane_sequence(struct dc *dc, struct pipe_ctx *pipe_ctx,
+				 struct dc_state *context,
+				 struct block_sequence_state *seq_state);
+
+void dcn401_update_dchubp_dpp_sequence(struct dc *dc,
+				       struct pipe_ctx *pipe_ctx,
+				       struct dc_state *context,
+				       struct block_sequence_state *seq_state);
+
+void dcn401_update_mpcc_sequence(struct dc *dc,
+				struct pipe_ctx *pipe_ctx,
+				struct block_sequence_state *seq_state);
+
+void dcn401_wait_for_mpcc_disconnect_sequence(
+		struct dc *dc,
+		struct resource_pool *res_pool,
+		struct pipe_ctx *pipe_ctx,
+		struct block_sequence_state *seq_state);
+
+void dcn401_setup_vupdate_interrupt_sequence(struct dc *dc, struct pipe_ctx *pipe_ctx,
+		struct block_sequence_state *seq_state);
+
+void dcn401_set_hdr_multiplier_sequence(struct pipe_ctx *pipe_ctx,
+		struct block_sequence_state *seq_state);
+
+void dcn401_program_mall_pipe_config_sequence(struct dc *dc, struct dc_state *context,
+		struct block_sequence_state *seq_state);
+
+void dcn401_verify_allow_pstate_change_high_sequence(struct dc *dc,
+		struct block_sequence_state *seq_state);
+
+bool dcn401_hw_wa_force_recovery_sequence(struct dc *dc,
+		struct block_sequence_state *seq_state);
+
+#endif /* __DC_HWSS_DCN401_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c

@@ -0,0 +1,179 @@
+// SPDX-License-Identifier: MIT
+//
+// Copyright 2024 Advanced Micro Devices, Inc.
+
+#include "dce110/dce110_hwseq.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "dcn20/dcn20_hwseq.h"
+#include "dcn21/dcn21_hwseq.h"
+#include "dcn30/dcn30_hwseq.h"
+#include "dcn31/dcn31_hwseq.h"
+#include "dcn32/dcn32_hwseq.h"
+#include "dcn35/dcn35_hwseq.h"
+#include "dcn401/dcn401_hwseq.h"
+#include "dcn401_init.h"
+
+static const struct hw_sequencer_funcs dcn401_funcs = {
+	.program_gamut_remap = dcn401_program_gamut_remap,
+	.init_hw = dcn401_init_hw,
+	.apply_ctx_to_hw = dce110_apply_ctx_to_hw,
+	.apply_ctx_for_surface = NULL,
+	.program_front_end_for_ctx = dcn401_program_front_end_for_ctx,
+	.clear_surface_dcc_and_tiling = dcn10_reset_surface_dcc_and_tiling,
+	.wait_for_pending_cleared = dcn10_wait_for_pending_cleared,
+	.post_unlock_program_front_end = dcn401_post_unlock_program_front_end,
+	.update_plane_addr = dcn20_update_plane_addr,
+	.update_dchub = dcn10_update_dchub,
+	.update_pending_status = dcn10_update_pending_status,
+	.program_output_csc = dcn20_program_output_csc,
+	.trigger_3dlut_dma_load = dcn401_trigger_3dlut_dma_load,
+	.enable_accelerated_mode = dce110_enable_accelerated_mode,
+	.enable_timing_synchronization = dcn10_enable_timing_synchronization,
+	.enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset,
+	.update_info_frame = dcn31_update_info_frame,
+	.send_immediate_sdp_message = dcn10_send_immediate_sdp_message,
+	.enable_stream = dcn401_enable_stream,
+	.disable_stream = dce110_disable_stream,
+	.unblank_stream = dcn401_unblank_stream,
+	.blank_stream = dce110_blank_stream,
+	.enable_audio_stream = dce110_enable_audio_stream,
+	.disable_audio_stream = dce110_disable_audio_stream,
+	.disable_plane = dcn20_disable_plane,
+	.disable_plane_sequence = dcn401_disable_plane_sequence,
+	.pipe_control_lock = dcn20_pipe_control_lock,
+	.interdependent_update_lock = dcn401_interdependent_update_lock,
+	.cursor_lock = dcn10_cursor_lock,
+	.prepare_bandwidth = dcn401_prepare_bandwidth,
+	.optimize_bandwidth = dcn401_optimize_bandwidth,
+	.update_bandwidth = dcn401_update_bandwidth,
+	.set_drr = dcn10_set_drr,
+	.get_position = dcn10_get_position,
+	.set_static_screen_control = dcn31_set_static_screen_control,
+	.setup_stereo = dcn10_setup_stereo,
+	.set_avmute = dcn30_set_avmute,
+	.log_hw_state = dcn10_log_hw_state,
+	.get_hw_state = dcn10_get_hw_state,
+	.clear_status_bits = dcn10_clear_status_bits,
+	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
+	.wait_for_mpcc_disconnect_sequence = dcn401_wait_for_mpcc_disconnect_sequence,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.edp_power_control = dce110_edp_power_control,
+	.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
+	.edp_wait_for_T12 = dce110_edp_wait_for_T12,
+	.set_cursor_position = dcn401_set_cursor_position,
+	.set_cursor_attribute = dcn10_set_cursor_attribute,
+	.set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
+	.abort_cursor_offload_update = dcn35_abort_cursor_offload_update,
+	.begin_cursor_offload_update = dcn35_begin_cursor_offload_update,
+	.commit_cursor_offload_update = dcn35_commit_cursor_offload_update,
+	.update_cursor_offload_pipe = dcn401_update_cursor_offload_pipe,
+	.notify_cursor_offload_drr_update = dcn35_notify_cursor_offload_drr_update,
+	.program_cursor_offload_now = dcn35_program_cursor_offload_now,
+	.setup_periodic_interrupt = dcn10_setup_periodic_interrupt,
+	.set_clock = dcn10_set_clock,
+	.get_clock = dcn10_get_clock,
+	.program_triplebuffer = dcn20_program_triple_buffer,
+	.enable_writeback = dcn30_enable_writeback,
+	.disable_writeback = dcn30_disable_writeback,
+	.update_writeback = dcn30_update_writeback,
+	.dmdata_status_done = dcn20_dmdata_status_done,
+	.program_dmdata_engine = dcn30_program_dmdata_engine,
+	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
+	.init_sys_ctx = dcn20_init_sys_ctx,
+	.init_vm_ctx = dcn20_init_vm_ctx,
+	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
+	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+	.calc_vupdate_position = dcn10_calc_vupdate_position,
+	.setup_hdmi_frl_link = dcn30_setup_hdmi_frl_link,
+	.apply_idle_power_optimizations = dcn401_apply_idle_power_optimizations,
+	.does_plane_fit_in_mall = NULL,
+	.set_backlight_level = dcn31_set_backlight_level,
+	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
+	.hardware_release = dcn401_hardware_release,
+	.set_pipe = dcn21_set_pipe,
+	.enable_lvds_link_output = dce110_enable_lvds_link_output,
+	.enable_tmds_link_output = dce110_enable_tmds_link_output,
+	.enable_dp_link_output = dce110_enable_dp_link_output,
+	.disable_link_output = dcn401_disable_link_output,
+	.set_disp_pattern_generator = dcn30_set_disp_pattern_generator,
+	.get_dcc_en_bits = dcn10_get_dcc_en_bits,
+	.enable_phantom_streams = dcn32_enable_phantom_streams,
+	.disable_phantom_streams = dcn32_disable_phantom_streams,
+	.update_visual_confirm_color = dcn10_update_visual_confirm_color,
+	.update_phantom_vp_position = dcn32_update_phantom_vp_position,
+	.update_dsc_pg = dcn32_update_dsc_pg,
+	.apply_update_flags_for_phantom = dcn32_apply_update_flags_for_phantom,
+	.wait_for_dcc_meta_propagation = dcn401_wait_for_dcc_meta_propagation,
+	.is_pipe_topology_transition_seamless = dcn32_is_pipe_topology_transition_seamless,
+	.dmub_hw_control_lock = dcn401_dmub_hw_control_lock,
+	.fams2_update_config = dcn401_fams2_update_config,
+	.dmub_hw_control_lock_fast = dcn401_dmub_hw_control_lock_fast,
+	.program_outstanding_updates = dcn401_program_outstanding_updates,
+	.wait_for_all_pending_updates = dcn30_wait_for_all_pending_updates,
+	.detect_pipe_changes = dcn401_detect_pipe_changes,
+	.enable_plane = dcn20_enable_plane,
+	.enable_plane_sequence = dcn401_enable_plane_sequence,
+	.update_dchubp_dpp = dcn20_update_dchubp_dpp,
+	.update_dchubp_dpp_sequence = dcn401_update_dchubp_dpp_sequence,
+	.post_unlock_reset_opp = dcn20_post_unlock_reset_opp,
+	.post_unlock_reset_opp_sequence = dcn401_post_unlock_reset_opp_sequence,
+	.get_underflow_debug_data = dcn30_get_underflow_debug_data,
+};
+
+static const struct hwseq_private_funcs dcn401_private_funcs = {
+	.init_pipes = dcn10_init_pipes,
+	.plane_atomic_disconnect = dcn10_plane_atomic_disconnect,
+	.plane_atomic_disconnect_sequence = dcn401_plane_atomic_disconnect_sequence,
+	.update_mpcc = dcn20_update_mpcc,
+	.update_mpcc_sequence = dcn401_update_mpcc_sequence,
+	.set_input_transfer_func = dcn32_set_input_transfer_func,
+	.set_output_transfer_func = dcn401_set_output_transfer_func,
+	.power_down = dce110_power_down,
+	.enable_display_power_gating = dcn10_dummy_display_power_gating,
+	.blank_pixel_data = dcn20_blank_pixel_data,
+	.blank_pixel_data_sequence = dcn401_blank_pixel_data_sequence,
+	.reset_hw_ctx_wrap = dcn401_reset_hw_ctx_wrap,
+	.enable_stream_timing = dcn401_enable_stream_timing,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt,
+	.setup_vupdate_interrupt_sequence = dcn401_setup_vupdate_interrupt_sequence,
+	.did_underflow_occur = dcn10_did_underflow_occur,
+	.init_blank = dcn32_init_blank,
+	.disable_vga = dcn20_disable_vga,
+	.bios_golden_init = dcn10_bios_golden_init,
+	.plane_atomic_disable = dcn20_plane_atomic_disable,
+	.plane_atomic_power_down = dcn401_plane_atomic_power_down,
+	.plane_atomic_power_down_sequence = dcn401_plane_atomic_power_down_sequence,
+	.enable_power_gating_plane = dcn32_enable_power_gating_plane,
+	.hubp_pg_control = dcn32_hubp_pg_control,
+	.program_all_writeback_pipes_in_tree = dcn30_program_all_writeback_pipes_in_tree,
+	.program_all_writeback_pipes_in_tree_sequence = dcn401_program_all_writeback_pipes_in_tree_sequence,
+	.update_odm = dcn401_update_odm,
+	.update_odm_sequence = dcn401_update_odm_sequence,
+	.dsc_pg_control = dcn32_dsc_pg_control,
+	.dsc_pg_status = dcn32_dsc_pg_status,
+	.set_hdr_multiplier = dcn10_set_hdr_multiplier,
+	.set_hdr_multiplier_sequence = dcn401_set_hdr_multiplier_sequence,
+	.verify_allow_pstate_change_high = dcn10_verify_allow_pstate_change_high,
+	.verify_allow_pstate_change_high_sequence = dcn401_verify_allow_pstate_change_high_sequence,
+	.wait_for_blank_complete = dcn20_wait_for_blank_complete,
+	.set_mcm_luts = dcn401_set_mcm_luts,
+	.program_mall_pipe_config = dcn32_program_mall_pipe_config,
+	.program_mall_pipe_config_sequence = dcn401_program_mall_pipe_config_sequence,
+	.update_mall_sel = dcn32_update_mall_sel,
+	.calculate_dccg_k1_k2_values = NULL,
+	.apply_single_controller_ctx_to_hw = dce110_apply_single_controller_ctx_to_hw,
+	.reset_back_end_for_pipe = dcn401_reset_back_end_for_pipe,
+	.populate_mcm_luts = NULL,
+	.perform_3dlut_wa_unlock = dcn401_perform_3dlut_wa_unlock,
+	.program_pipe_sequence = dcn401_program_pipe_sequence,
+	.dc_ip_request_cntl = dcn401_dc_ip_request_cntl,
+	.wait_for_pipe_update_if_needed = dcn10_wait_for_pipe_update_if_needed,
+	.set_wait_for_update_needed_for_pipe = dcn10_set_wait_for_update_needed_for_pipe,
+};
+
+void dcn401_hw_sequencer_init_functions(struct dc *dc)
+{
+	dc->hwss = dcn401_funcs;
+	dc->hwseq->funcs = dcn401_private_funcs;
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.h

@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: MIT
+//
+// Copyright 2024 Advanced Micro Devices, Inc.
+
+#ifndef __DC_DCN401_INIT_H__
+#define __DC_DCN401_INIT_H__
+
+struct dc;
+
+void dcn401_hw_sequencer_init_functions(struct dc *dc);
+
+#endif /* __DC_DCN401_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn42/dcn42_hwseq.h

@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright 2026 Advanced Micro Devices, Inc. */
+
+#ifndef __DC_HWSS_DCN42_H__
+#define __DC_HWSS_DCN42_H__
+
+#include "dc.h"
+#include "hw_sequencer_private.h"
+
+void dcn42_init_hw(struct dc *dc);
+void dcn42_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx);
+
+void dcn42_program_cm_hist(
+	struct dc *dc,
+	struct pipe_ctx *pipe_ctx,
+	const struct dc_plane_state *plane_state);
+
+bool dcn42_set_mcm_luts(struct pipe_ctx *pipe_ctx,
+	const struct dc_plane_state *plane_state);
+
+void dcn42_populate_mcm_luts(struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		struct dc_cm2_func_luts mcm_luts,
+		bool lut_bank_a);
+
+bool dcn42_program_rmcm_luts(
+	struct hubp *hubp,
+	struct pipe_ctx *pipe_ctx,
+	enum dc_cm2_transfer_func_source lut3d_src,
+	struct dc_cm2_func_luts *mcm_luts,
+	struct mpc *mpc,
+	bool lut_bank_a,
+	int mpcc_id);
+void dcn42_hardware_release(struct dc *dc);
+
+void dcn42_prepare_bandwidth(
+	struct dc *dc,
+	struct dc_state *context);
+void dcn42_optimize_bandwidth(struct dc *dc, struct dc_state *context);
+void dcn42_calc_blocks_to_gate(struct dc *dc, struct dc_state *context,
+		struct pg_block_update *update_state);
+void dcn42_calc_blocks_to_ungate(struct dc *dc, struct dc_state *context,
+		struct pg_block_update *update_state);
+void dcn42_hw_block_power_down(struct dc *dc,
+	struct pg_block_update *update_state);
+void dcn42_hw_block_power_up(struct dc *dc,
+		struct pg_block_update *update_state);
+void dcn42_root_clock_control(struct dc *dc,
+		struct pg_block_update *update_state, bool power_on);
+void dcn42_dmub_hw_control_lock(struct dc *dc, struct dc_state *context, bool lock);
+void dcn42_dmub_hw_control_lock_fast(union block_sequence_params *params);
+void dcn42_setup_stereo(struct pipe_ctx *pipe_ctx, struct dc *dc);
+void dcn42_power_down_on_boot(struct dc *dc);
+#endif

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn42/dcn42_init.c

@@ -0,0 +1,175 @@
+// SPDX-License-Identifier: MIT
+//
+// Copyright 2026 Advanced Micro Devices, Inc.
+
+#include "dce110/dce110_hwseq.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "dcn20/dcn20_hwseq.h"
+#include "dcn21/dcn21_hwseq.h"
+#include "dcn30/dcn30_hwseq.h"
+#include "dcn31/dcn31_hwseq.h"
+#include "dcn32/dcn32_hwseq.h"
+#include "dcn314/dcn314_hwseq.h"
+#include "dcn35/dcn35_hwseq.h"
+#include "dcn401/dcn401_hwseq.h"
+#include "dcn42/dcn42_hwseq.h"
+#include "dcn42_init.h"
+
+static const struct hw_sequencer_funcs dcn42_funcs = {
+	.program_gamut_remap = dcn401_program_gamut_remap,
+	.init_hw = dcn42_init_hw,
+	.apply_ctx_to_hw = dce110_apply_ctx_to_hw,
+	.power_down_on_boot = dcn42_power_down_on_boot,
+	.apply_ctx_for_surface = NULL,
+	.program_front_end_for_ctx = dcn401_program_front_end_for_ctx,
+	.clear_surface_dcc_and_tiling = dcn10_reset_surface_dcc_and_tiling,
+	.wait_for_pending_cleared = dcn10_wait_for_pending_cleared,
+	.post_unlock_program_front_end = dcn401_post_unlock_program_front_end,
+	.update_plane_addr = dcn20_update_plane_addr,
+	.update_dchub = dcn10_update_dchub,
+	.update_pending_status = dcn10_update_pending_status,
+	.program_output_csc = dcn20_program_output_csc,
+	.trigger_3dlut_dma_load = dcn401_trigger_3dlut_dma_load,
+	.enable_accelerated_mode = dce110_enable_accelerated_mode,
+	.enable_timing_synchronization = dcn10_enable_timing_synchronization,
+	.enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset,
+	.update_info_frame = dcn31_update_info_frame,
+	.send_immediate_sdp_message = dcn10_send_immediate_sdp_message,
+	.enable_stream = dcn401_enable_stream,
+	.disable_stream = dce110_disable_stream,
+	.unblank_stream = dcn401_unblank_stream,
+	.blank_stream = dce110_blank_stream,
+	.enable_audio_stream = dce110_enable_audio_stream,
+	.disable_audio_stream = dce110_disable_audio_stream,
+	.disable_plane = dcn35_disable_plane,
+	.pipe_control_lock = dcn20_pipe_control_lock,
+	.interdependent_update_lock = dcn401_interdependent_update_lock,
+	.cursor_lock = dcn10_cursor_lock,
+	.prepare_bandwidth = dcn42_prepare_bandwidth,
+	.optimize_bandwidth = dcn42_optimize_bandwidth,
+	.update_bandwidth = dcn401_update_bandwidth,
+	.set_drr = dcn35_set_drr,
+	.get_position = dcn10_get_position,
+	.set_static_screen_control = dcn35_set_static_screen_control,
+	.setup_stereo = dcn42_setup_stereo,
+	.set_avmute = dcn30_set_avmute,
+	.log_hw_state = dcn10_log_hw_state,
+	.get_hw_state = dcn10_get_hw_state,
+	.clear_status_bits = dcn10_clear_status_bits,
+	.wait_for_mpcc_disconnect = dcn10_wait_for_mpcc_disconnect,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.edp_power_control = dce110_edp_power_control,
+	.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
+	.edp_wait_for_T12 = dce110_edp_wait_for_T12,
+	.set_cursor_position = dcn401_set_cursor_position,
+	.set_cursor_attribute = dcn10_set_cursor_attribute,
+	.set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
+	.abort_cursor_offload_update = dcn35_abort_cursor_offload_update,
+	.begin_cursor_offload_update = dcn35_begin_cursor_offload_update,
+	.commit_cursor_offload_update = dcn35_commit_cursor_offload_update,
+	.update_cursor_offload_pipe = dcn401_update_cursor_offload_pipe,
+	.notify_cursor_offload_drr_update = dcn35_notify_cursor_offload_drr_update,
+	.program_cursor_offload_now = dcn35_program_cursor_offload_now,
+	.setup_periodic_interrupt = dcn10_setup_periodic_interrupt,
+	.set_clock = dcn10_set_clock,
+	.get_clock = dcn10_get_clock,
+	.program_triplebuffer = dcn20_program_triple_buffer,
+	.enable_writeback = dcn30_enable_writeback,
+	.disable_writeback = dcn30_disable_writeback,
+	.update_writeback = dcn30_update_writeback,
+	.dmdata_status_done = dcn20_dmdata_status_done,
+	.program_dmdata_engine = dcn30_program_dmdata_engine,
+	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
+	.init_sys_ctx = dcn31_init_sys_ctx,
+	.init_vm_ctx = dcn20_init_vm_ctx,
+	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
+	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+	.calc_vupdate_position = dcn10_calc_vupdate_position,
+	.setup_hdmi_frl_link = dcn30_setup_hdmi_frl_link,
+	.apply_idle_power_optimizations = dcn35_apply_idle_power_optimizations,
+	.does_plane_fit_in_mall = NULL,
+	.set_backlight_level = dcn31_set_backlight_level,
+	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
+	.hardware_release = dcn42_hardware_release,
+	.set_pipe = dcn21_set_pipe,
+	.enable_lvds_link_output = dce110_enable_lvds_link_output,
+	.enable_tmds_link_output = dce110_enable_tmds_link_output,
+	.enable_dp_link_output = dce110_enable_dp_link_output,
+	.disable_link_output = dcn401_disable_link_output,
+	.set_disp_pattern_generator = dcn30_set_disp_pattern_generator,
+	.optimize_pwr_state = dcn21_optimize_pwr_state,
+	.exit_optimized_pwr_state = dcn21_exit_optimized_pwr_state,
+	.get_dcc_en_bits = dcn10_get_dcc_en_bits,
+	.enable_phantom_streams = dcn32_enable_phantom_streams,
+	.disable_phantom_streams = dcn32_disable_phantom_streams,
+	.update_visual_confirm_color = dcn10_update_visual_confirm_color,
+	.update_phantom_vp_position = dcn32_update_phantom_vp_position,
+	.apply_update_flags_for_phantom = dcn32_apply_update_flags_for_phantom,
+	.wait_for_dcc_meta_propagation = dcn401_wait_for_dcc_meta_propagation,
+	.is_pipe_topology_transition_seamless = dcn32_is_pipe_topology_transition_seamless,
+	.dmub_hw_control_lock = dcn42_dmub_hw_control_lock,
+	.fams2_update_config = dcn401_fams2_update_config,
+	.dmub_hw_control_lock_fast = dcn42_dmub_hw_control_lock_fast,
+	.program_outstanding_updates = dcn401_program_outstanding_updates,
+	.wait_for_all_pending_updates = dcn30_wait_for_all_pending_updates,
+	.detect_pipe_changes = dcn401_detect_pipe_changes,
+	.enable_plane = dcn35_enable_plane,
+	.update_dchubp_dpp = dcn20_update_dchubp_dpp,
+	.post_unlock_reset_opp = dcn20_post_unlock_reset_opp,
+	.get_underflow_debug_data = dcn30_get_underflow_debug_data,
+	// Driver PG
+	.hw_block_power_up = dcn42_hw_block_power_up,
+	.hw_block_power_down = dcn42_hw_block_power_down,
+	.root_clock_control = dcn42_root_clock_control,
+	.calc_blocks_to_gate = dcn42_calc_blocks_to_gate,
+	.calc_blocks_to_ungate = dcn42_calc_blocks_to_ungate,
+
+};
+
+static const struct hwseq_private_funcs dcn42_private_funcs = {
+	.init_pipes = dcn35_init_pipes,
+	.plane_atomic_disconnect = dcn10_plane_atomic_disconnect,
+	.update_mpcc = dcn42_update_mpcc,
+	.set_input_transfer_func = dcn32_set_input_transfer_func,
+	.set_output_transfer_func = dcn401_set_output_transfer_func,
+	.power_down = dce110_power_down,
+	.enable_display_power_gating = dcn10_dummy_display_power_gating,
+	.blank_pixel_data = dcn20_blank_pixel_data,
+	.reset_hw_ctx_wrap = dcn401_reset_hw_ctx_wrap,
+	.enable_stream_timing = dcn401_enable_stream_timing,
+	.edp_backlight_control = dce110_edp_backlight_control,
+	.setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt,
+	.did_underflow_occur = dcn10_did_underflow_occur,
+	.init_blank = dcn32_init_blank,
+	.disable_vga = dcn20_disable_vga,
+	.bios_golden_init = dcn10_bios_golden_init,
+	.plane_atomic_disable = dcn35_plane_atomic_disable,
+	.program_all_writeback_pipes_in_tree = dcn30_program_all_writeback_pipes_in_tree,
+	.update_odm = dcn401_update_odm,
+	.dsc_pg_status = dcn32_dsc_pg_status,
+	.set_hdr_multiplier = dcn10_set_hdr_multiplier,
+	.wait_for_blank_complete = dcn20_wait_for_blank_complete,
+	.set_mcm_luts = dcn42_set_mcm_luts,
+	.program_mall_pipe_config = dcn32_program_mall_pipe_config,
+	.update_mall_sel = dcn32_update_mall_sel,
+	.calculate_dccg_k1_k2_values = NULL,
+	.apply_single_controller_ctx_to_hw = dce110_apply_single_controller_ctx_to_hw,
+	.reset_back_end_for_pipe = dcn401_reset_back_end_for_pipe,
+	.populate_mcm_luts = NULL,
+	.perform_3dlut_wa_unlock = dcn401_perform_3dlut_wa_unlock,
+	.program_cm_hist = dcn42_program_cm_hist,
+	.dpp_root_clock_control = dcn35_dpp_root_clock_control,
+	.dpstream_root_clock_control = dcn35_dpstream_root_clock_control,
+	.hdmistream_root_clock_control = dcn35_hdmistream_root_clock_control,
+	.physymclk_root_clock_control = dcn35_physymclk_root_clock_control,
+	.resync_fifo_dccg_dio = dcn314_resync_fifo_dccg_dio,
+	.wait_for_pipe_update_if_needed = dcn10_wait_for_pipe_update_if_needed,
+	.set_wait_for_update_needed_for_pipe = dcn10_set_wait_for_update_needed_for_pipe,
+};
+
+void dcn42_hw_sequencer_init_functions(struct dc *dc)
+{
+	dc->hwss = dcn42_funcs;
+	dc->hwseq->funcs = dcn42_private_funcs;
+
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn42/dcn42_init.h

@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright 2026 Advanced Micro Devices, Inc. */
+
+#ifndef __DC_DCN42_INIT_H__
+#define __DC_DCN42_INIT_H__
+
+struct dc;
+
+void dcn42_hw_sequencer_init_functions(struct dc *dc);
+
+#endif /* __DC_DCN401_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn42b/dcn42b_hwseq.c

@@ -0,0 +1,238 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright 2026 Advanced Micro Devices, Inc.
+ */
+
+#include "dm_services.h"
+#include "core_types.h"
+#include "resource.h"
+#include "dce/dce_hwseq.h"
+#include "dcn10/dcn10_hwseq.h"
+#include "reg_helper.h"
+#include "hubp.h"
+#include "dchubbub.h"
+#include "timing_generator.h"
+#include "opp.h"
+#include "mpc.h"
+#include "dcn42b_hwseq.h"
+
+#define CTX \
+	hws->ctx
+
+#define REG(reg)\
+	hws->regs->reg
+
+#define DC_LOGGER \
+	hws->ctx->logger
+
+#undef FN
+#define FN(reg_name, field_name) \
+	hws->shifts->field_name, hws->masks->field_name
+
+/*
+ * dcn42b_init_pipes - Initialize pipes for dcn42b
+ *
+ * This function is modeled after dcn10_init_pipes but handles the case
+ * where num_timing_generator != num_pipes (e.g., 3 TGs but 4 pipes).
+ *
+ * For dcn42b:
+ * - num_timing_generator = 3
+ * - num_pipes (num_dpp) = 4
+ *
+ * The key difference is that we iterate over timing generators separately
+ * from pipes to avoid accessing timing_generators[i] when i >= num_timing_generator.
+ */
+void dcn42b_init_pipes(struct dc *dc, struct dc_state *context)
+{
+	uint8_t i;
+	struct dce_hwseq *hws = dc->hwseq;
+	struct hubbub *hubbub = dc->res_pool->hubbub;
+	bool can_apply_seamless_boot = false;
+	bool tg_enabled[MAX_PIPES] = {false};
+
+	for (i = 0; i < context->stream_count; i++) {
+		if (context->streams[i]->apply_seamless_boot_optimization) {
+			can_apply_seamless_boot = true;
+			break;
+		}
+	}
+
+	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
+		struct timing_generator *tg = dc->res_pool->timing_generators[i];
+		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+
+		/* There is assumption that pipe_ctx is not mapping irregularly
+		 * to non-preferred front end. If pipe_ctx->stream is not NULL,
+		 * we will use the pipe, so don't disable
+		 */
+		if (pipe_ctx->stream != NULL && can_apply_seamless_boot)
+			continue;
+
+		/* Blank controller using driver code instead of
+		 * command table.
+		 */
+		if (tg->funcs->is_tg_enabled(tg)) {
+			if (hws->funcs.init_blank != NULL) {
+				hws->funcs.init_blank(dc, tg);
+				tg->funcs->lock(tg);
+			} else {
+				tg->funcs->lock(tg);
+				tg->funcs->set_blank(tg, true);
+				hwss_wait_for_blank_complete(tg);
+			}
+		}
+	}
+
+	/* Reset det size */
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+		struct hubp *hubp = dc->res_pool->hubps[i];
+
+		/* Do not need to reset for seamless boot */
+		if (pipe_ctx->stream != NULL && can_apply_seamless_boot)
+			continue;
+
+		if (hubbub && hubp) {
+			if (hubbub->funcs->program_det_size)
+				hubbub->funcs->program_det_size(hubbub, hubp->inst, 0);
+			if (hubbub->funcs->program_det_segments)
+				hubbub->funcs->program_det_segments(hubbub, hubp->inst, 0);
+		}
+	}
+
+	/* num_opp will be equal to number of mpcc */
+	for (i = 0; i < dc->res_pool->res_cap->num_opp; i++) {
+		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+
+		/* Cannot reset the MPC mux if seamless boot */
+		if (pipe_ctx->stream != NULL && can_apply_seamless_boot)
+			continue;
+
+		dc->res_pool->mpc->funcs->mpc_init_single_inst(
+				dc->res_pool->mpc, i);
+	}
+
+	/* initialize DWB pointer to MCIF_WB */
+	for (i = 0; i < dc->res_pool->res_cap->num_dwb; i++)
+		dc->res_pool->dwbc[i]->mcif = dc->res_pool->mcif_wb[i];
+
+	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
+		struct timing_generator *tg = dc->res_pool->timing_generators[i];
+		struct hubp *hubp = dc->res_pool->hubps[i];
+		struct dpp *dpp = dc->res_pool->dpps[i];
+		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+
+		/* There is assumption that pipe_ctx is not mapping irregularly
+		 * to non-preferred front end. If pipe_ctx->stream is not NULL,
+		 * we will use the pipe, so don't disable
+		 */
+		if (can_apply_seamless_boot &&
+			pipe_ctx->stream != NULL &&
+			pipe_ctx->stream_res.tg->funcs->is_tg_enabled(
+				pipe_ctx->stream_res.tg)) {
+			// Enable double buffering for OTG_BLANK no matter if
+			// seamless boot is enabled or not to suppress global sync
+			// signals when OTG blanked. This is to prevent pipe from
+			// requesting data while in PSR.
+			tg->funcs->tg_init(tg);
+			hubp->power_gated = true;
+			tg_enabled[i] = true;
+			continue;
+		}
+
+		/* Disable on the current state so the new one isn't cleared. */
+		pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
+
+		hubp->funcs->hubp_reset(hubp);
+		dpp->funcs->dpp_reset(dpp);
+
+		pipe_ctx->stream_res.tg = tg;
+		pipe_ctx->pipe_idx = i;
+
+		pipe_ctx->plane_res.hubp = hubp;
+		pipe_ctx->plane_res.dpp = dpp;
+		pipe_ctx->plane_res.mpcc_inst = (uint8_t)dpp->inst;
+		hubp->mpcc_id = dpp->inst;
+		hubp->opp_id = OPP_ID_INVALID;
+		hubp->power_gated = false;
+
+		dc->res_pool->opps[i]->mpc_tree_params.opp_id = dc->res_pool->opps[i]->inst;
+		dc->res_pool->opps[i]->mpc_tree_params.opp_list = NULL;
+		dc->res_pool->opps[i]->mpcc_disconnect_pending[pipe_ctx->plane_res.mpcc_inst] = true;
+		pipe_ctx->stream_res.opp = dc->res_pool->opps[i];
+
+		hws->funcs.plane_atomic_disconnect(dc, context, pipe_ctx);
+
+		if (tg->funcs->is_tg_enabled(tg))
+			tg->funcs->unlock(tg);
+
+		dc->hwss.disable_plane(dc, context, pipe_ctx);
+
+		pipe_ctx->stream_res.tg = NULL;
+		pipe_ctx->plane_res.hubp = NULL;
+
+		if (tg->funcs->is_tg_enabled(tg)) {
+			if (tg->funcs->init_odm)
+				tg->funcs->init_odm(tg);
+		}
+
+		tg->funcs->tg_init(tg);
+	}
+
+	/* Clean up MPC tree */
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		if (tg_enabled[i]) {
+			if (dc->res_pool->opps[i]->mpc_tree_params.opp_list) {
+				if (dc->res_pool->opps[i]->mpc_tree_params.opp_list->mpcc_bot) {
+					int bot_id = dc->res_pool->opps[i]->mpc_tree_params.opp_list->mpcc_bot->mpcc_id;
+
+					if ((bot_id < MAX_MPCC) && (bot_id < MAX_PIPES) && (!tg_enabled[bot_id]))
+						dc->res_pool->opps[i]->mpc_tree_params.opp_list = NULL;
+				}
+			}
+		}
+	}
+
+	/* Power gate DSCs */
+	if (hws->funcs.dsc_pg_control != NULL) {
+		uint32_t num_opps = 0;
+		uint32_t opp_id_src0 = OPP_ID_INVALID;
+		uint32_t opp_id_src1 = OPP_ID_INVALID;
+
+		// Step 1: To find out which OPTC is running & OPTC DSC is ON
+		// We can't use res_pool->res_cap->num_timing_generator to check
+		// Because it records display pipes default setting built in driver,
+		// not display pipes of the current chip.
+		// Some ASICs would be fused display pipes less than the default setting.
+		// In dcnxx_resource_construct function, driver would obatin real information.
+		for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
+			uint32_t optc_dsc_state = 0;
+			struct timing_generator *tg = dc->res_pool->timing_generators[i];
+
+			if (tg->funcs->is_tg_enabled(tg)) {
+				if (tg->funcs->get_dsc_status)
+					tg->funcs->get_dsc_status(tg, &optc_dsc_state);
+				// Only one OPTC with DSC is ON, so if we got one result, we would exit this block.
+				// non-zero value is DSC enabled
+				if (optc_dsc_state != 0) {
+					tg->funcs->get_optc_source(tg, &num_opps, &opp_id_src0, &opp_id_src1);
+					break;
+				}
+			}
+		}
+
+		// Step 2: To power down DSC but skip DSC  of running OPTC
+		for (i = 0; i < dc->res_pool->res_cap->num_dsc; i++) {
+			struct dcn_dsc_state s  = {0};
+
+			dc->res_pool->dscs[i]->funcs->dsc_read_state(dc->res_pool->dscs[i], &s);
+
+			if ((s.dsc_opp_source == opp_id_src0 || s.dsc_opp_source == opp_id_src1) &&
+				s.dsc_clock_en && s.dsc_fw_en)
+				continue;
+
+			hws->funcs.dsc_pg_control(hws, dc->res_pool->dscs[i]->inst, false);
+		}
+	}
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn42b/dcn42b_hwseq.h

@@ -0,0 +1,15 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright 2026 Advanced Micro Devices, Inc.
+ */
+
+#ifndef __DC_HWSS_DCN42B_H__
+#define __DC_HWSS_DCN42B_H__
+
+#include "dc.h"
+#include "hw_sequencer_private.h"
+
+void dcn42b_init_pipes(struct dc *dc, struct dc_state *context);
+
+#endif /* __DC_HWSS_DCN42B_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn42b/dcn42b_init.c

@@ -0,0 +1,20 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright 2026 Advanced Micro Devices, Inc.
+ */
+
+#include "dcn20/dcn20_hwseq.h"
+#include "dcn42/dcn42_init.h"
+#include "dcn42b_hwseq.h"
+#include "dcn42b_init.h"
+
+void dcn42b_hw_sequencer_init_functions(struct dc *dc)
+{
+	/* Initialize with dcn42 functions first */
+	dcn42_hw_sequencer_init_functions(dc);
+
+	/* Override only init_pipes with dcn42b version */
+	dc->hwseq->funcs.init_pipes = dcn42b_init_pipes;
+
+}

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/dcn42b/dcn42b_init.h

@@ -0,0 +1,14 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright 2026 Advanced Micro Devices, Inc.
+ */
+
+#ifndef __DC_DCN42B_INIT_H__
+#define __DC_DCN42B_INIT_H__
+
+struct dc;
+
+void dcn42b_hw_sequencer_init_functions(struct dc *dc);
+
+#endif /* __DC_DCN42B_INIT_H__ */

linux-7.2.3/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer_private.h

@@ -0,0 +1,248 @@
+/*
+ * Copyright 2015-2026 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_HW_SEQUENCER_PRIVATE_H__
+#define __DC_HW_SEQUENCER_PRIVATE_H__
+
+#include "dc_types.h"
+#include "hw_sequencer.h"
+
+enum pipe_gating_control {
+	PIPE_GATING_CONTROL_DISABLE = 0,
+	PIPE_GATING_CONTROL_ENABLE,
+	PIPE_GATING_CONTROL_INIT
+};
+
+struct dce_hwseq_wa {
+	bool blnd_crtc_trigger;
+	bool DEGVIDCN10_253;
+	bool false_optc_underflow;
+	bool DEGVIDCN10_254;
+	bool DEGVIDCN21;
+	bool disallow_self_refresh_during_multi_plane_transition;
+	bool dp_hpo_and_otg_sequence;
+	bool wait_hubpret_read_start_during_mpo_transition;
+};
+
+struct hwseq_wa_state {
+	bool DEGVIDCN10_253_applied;
+	bool disallow_self_refresh_during_multi_plane_transition_applied;
+	unsigned int disallow_self_refresh_during_multi_plane_transition_applied_on_frame;
+	bool skip_blank_stream;
+};
+
+struct pipe_ctx;
+struct dc_state;
+struct dc_stream_status;
+struct dc_writeback_info;
+struct dchub_init_data;
+struct dc_static_screen_params;
+struct resource_pool;
+struct resource_context;
+struct stream_resource;
+struct dc_phy_addr_space_config;
+struct dc_virtual_addr_space_config;
+struct hubp;
+struct dpp;
+struct dce_hwseq;
+struct timing_generator;
+struct tg_color;
+struct output_pixel_processor;
+struct mpcc_blnd_cfg;
+
+struct hwseq_private_funcs {
+
+	void (*disable_stream_gating)(struct dc *dc, struct pipe_ctx *pipe_ctx);
+	void (*enable_stream_gating)(struct dc *dc, struct pipe_ctx *pipe_ctx);
+	void (*init_pipes)(struct dc *dc, struct dc_state *context);
+	void (*reset_hw_ctx_wrap)(struct dc *dc, struct dc_state *context);
+	void (*plane_atomic_disconnect)(struct dc *dc,
+			struct dc_state *state,
+			struct pipe_ctx *pipe_ctx);
+	void (*plane_atomic_disconnect_sequence)(struct dc *dc,
+			struct dc_state *state,
+			struct pipe_ctx *pipe_ctx,
+			struct block_sequence_state *seq_state);
+	void (*update_mpcc)(struct dc *dc, struct pipe_ctx *pipe_ctx);
+	void (*update_mpcc_sequence)(struct dc *dc, struct pipe_ctx *pipe_ctx,
+			struct block_sequence_state *seq_state);
+	bool (*set_input_transfer_func)(struct dc *dc,
+				struct pipe_ctx *pipe_ctx,
+				const struct dc_plane_state *plane_state);
+	bool (*set_output_transfer_func)(struct dc *dc,
+				struct pipe_ctx *pipe_ctx,
+				const struct dc_stream_state *stream);
+	void (*power_down)(struct dc *dc);
+	void (*enable_display_pipe_clock_gating)(struct dc_context *ctx,
+					bool clock_gating);
+	bool (*enable_display_power_gating)(struct dc *dc,
+					uint8_t controller_id,
+					struct dc_bios *dcb,
+					enum pipe_gating_control power_gating);
+	void (*blank_pixel_data)(struct dc *dc,
+			struct pipe_ctx *pipe_ctx,
+			bool blank);
+	void (*blank_pixel_data_sequence)(struct dc *dc,
+			struct pipe_ctx *pipe_ctx,
+			bool blank,
+			struct block_sequence_state *seq_state);
+	enum dc_status (*enable_stream_timing)(
+			struct pipe_ctx *pipe_ctx,
+			struct dc_state *context,
+			struct dc *dc);
+	void (*edp_backlight_control)(struct dc_link *link,
+			bool enable);
+	void (*setup_vupdate_interrupt)(struct dc *dc,
+			struct pipe_ctx *pipe_ctx);
+	void (*setup_vupdate_interrupt_sequence)(struct dc *dc, struct pipe_ctx *pipe_ctx,
+		struct block_sequence_state *seq_state);
+	bool (*did_underflow_occur)(struct dc *dc, struct pipe_ctx *pipe_ctx);
+	void (*init_blank)(struct dc *dc, struct timing_generator *tg);
+	void (*disable_vga)(struct dce_hwseq *hws);
+	void (*bios_golden_init)(struct dc *dc);
+	void (*plane_atomic_power_down)(struct dc *dc,
+			struct dpp *dpp,
+			struct hubp *hubp);
+	void (*plane_atomic_power_down_sequence)(struct dc *dc,
+			struct dpp *dpp,
+			struct hubp *hubp,
+			struct block_sequence_state *seq_state);
+	void (*plane_atomic_disable)(struct dc *dc, struct pipe_ctx *pipe_ctx);
+	void (*enable_power_gating_plane)(struct dce_hwseq *hws,
+		bool enable);
+	void (*dpp_root_clock_control)(
+			struct dce_hwseq *hws,
+			unsigned int dpp_inst,
+			bool clock_on);
+	void (*dpstream_root_clock_control)(
+			struct dce_hwseq *hws,
+			unsigned int dpp_inst,
+			bool clock_on);
+	void (*hdmistream_root_clock_control)(
+			struct dce_hwseq *hws,
+			bool clock_on);
+	void (*physymclk_root_clock_control)(
+			struct dce_hwseq *hws,
+			unsigned int phy_inst,
+			bool clock_on);
+	void (*dpp_pg_control)(struct dce_hwseq *hws,
+			unsigned int dpp_inst,
+			bool power_on);
+	void (*hubp_pg_control)(struct dce_hwseq *hws,
+			unsigned int hubp_inst,
+			bool power_on);
+	void (*dsc_pg_control)(struct dce_hwseq *hws,
+			unsigned int dsc_inst,
+			bool power_on);
+	bool (*dsc_pg_status)(struct dce_hwseq *hws,
+			unsigned int dsc_inst);
+	void (*update_odm)(struct dc *dc, struct dc_state *context,
+			struct pipe_ctx *pipe_ctx);
+	void (*update_odm_sequence)(struct dc *dc, struct dc_state *context,
+			struct pipe_ctx *pipe_ctx, struct block_sequence_state *seq_state);
+	void (*program_all_writeback_pipes_in_tree)(struct dc *dc,
+			const struct dc_stream_state *stream,
+			struct dc_state *context);
+	void (*program_all_writeback_pipes_in_tree_sequence)(
+			struct dc *dc,
+			const struct dc_stream_state *stream,
+			struct dc_state *context,
+			struct block_sequence_state *seq_state);
+	bool (*s0i3_golden_init_wa)(struct dc *dc);
+	void (*set_hdr_multiplier)(struct pipe_ctx *pipe_ctx);
+	void (*set_hdr_multiplier_sequence)(struct pipe_ctx *pipe_ctx,
+			struct block_sequence_state *seq_state);
+	void (*verify_allow_pstate_change_high)(struct dc *dc);
+	void (*verify_allow_pstate_change_high_sequence)(struct dc *dc,
+		struct block_sequence_state *seq_state);
+	void (*program_pipe)(struct dc *dc,
+			struct pipe_ctx *pipe_ctx,
+			struct dc_state *context);
+	void (*program_pipe_sequence)(
+		struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		struct dc_state *context,
+		struct block_sequence_state *seq_state);
+	bool (*wait_for_blank_complete)(struct output_pixel_processor *opp);
+	void (*dccg_init)(struct dce_hwseq *hws);
+	bool (*set_blend_lut)(struct pipe_ctx *pipe_ctx,
+			const struct dc_plane_state *plane_state);
+	bool (*set_shaper_3dlut)(struct pipe_ctx *pipe_ctx,
+			const struct dc_plane_state *plane_state);
+	bool (*set_mcm_luts)(struct pipe_ctx *pipe_ctx,
+			const struct dc_plane_state *plane_state);
+	void (*PLAT_58856_wa)(struct dc_state *context,
+			struct pipe_ctx *pipe_ctx);
+	void (*setup_hpo_hw_control)(const struct dce_hwseq *hws, bool enable);
+	void (*enable_plane)(struct dc *dc, struct pipe_ctx *pipe_ctx,
+			       struct dc_state *context);
+	void (*program_mall_pipe_config)(struct dc *dc, struct dc_state *context);
+	void (*program_mall_pipe_config_sequence)(struct dc *dc, struct dc_state *context,
+			struct block_sequence_state *seq_state);
+	void (*update_force_pstate)(struct dc *dc, struct dc_state *context);
+	void (*update_mall_sel)(struct dc *dc, struct dc_state *context);
+	unsigned int (*calculate_dccg_k1_k2_values)(struct pipe_ctx *pipe_ctx,
+			unsigned int *k1_div,
+			unsigned int *k2_div);
+	void (*resync_fifo_dccg_dio)(struct dce_hwseq *hws, struct dc *dc,
+			struct dc_state *context,
+			unsigned int current_pipe_idx);
+	enum dc_status (*apply_single_controller_ctx_to_hw)(
+			struct pipe_ctx *pipe_ctx,
+			struct dc_state *context,
+			struct dc *dc);
+	bool (*is_dp_dig_pixel_rate_div_policy)(struct pipe_ctx *pipe_ctx);
+	void (*reset_back_end_for_pipe)(struct dc *dc,
+			struct pipe_ctx *pipe_ctx,
+			struct dc_state *context);
+	void (*populate_mcm_luts)(struct dc *dc,
+			struct pipe_ctx *pipe_ctx,
+			struct dc_cm2_func_luts mcm_luts,
+			bool lut_bank_a);
+	void (*perform_3dlut_wa_unlock)(struct pipe_ctx *pipe_ctx);
+	void (*wait_for_pipe_update_if_needed)(struct dc *dc, struct pipe_ctx *pipe_ctx, bool is_surface_update_only);
+	void (*set_wait_for_update_needed_for_pipe)(struct dc *dc, struct pipe_ctx *pipe_ctx);
+	void (*dc_ip_request_cntl)(struct dc *dc, bool enable);
+	void (*program_cm_hist)(struct dc *dc,
+		struct pipe_ctx *pipe_ctx,
+		const struct dc_plane_state *plane_state);
+};
+
+struct dce_hwseq {
+	struct dc_context *ctx;
+	const struct dce_hwseq_registers *regs;
+	const struct dce_hwseq_shift *shifts;
+	const struct dce_hwseq_mask *masks;
+	struct dce_hwseq_wa wa;
+	struct hwseq_wa_state wa_state;
+	struct hwseq_private_funcs funcs;
+
+	PHYSICAL_ADDRESS_LOC fb_base;
+	PHYSICAL_ADDRESS_LOC fb_top;
+	PHYSICAL_ADDRESS_LOC fb_offset;
+	PHYSICAL_ADDRESS_LOC uma_top;
+};
+
+#endif /* __DC_HW_SEQUENCER_PRIVATE_H__ */