Resguardo inicial

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__ */