Resguardo inicial

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__ */