Commit b126a699 authored by Wesley Chalmers's avatar Wesley Chalmers Committed by Alex Deucher
Browse files

drm/amd/display: New path for enabling DPG 



[WHY]
We want to make enabling test pattern a part of the
stream update code path. This change is the first step
towards that goal.

Signed-off-by: default avatarWesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: default avatarAric Cyr <Aric.Cyr@amd.com>
Reviewed-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Acked-by: default avatarAnson Jacob <Anson.Jacob@amd.com>
Tested-by: default avatarDan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 79ed7354

drivers/gpu/drm/amd/display/dc/core/dc.c

+11 −0
Original line number Diff line number Diff line
@@ -2394,6 +2394,8 @@ static void copy_stream_update_to_stream(struct dc *dc, 
	if (update->dither_option)

		stream->dither_option = *update->dither_option;



	if (update->pending_test_pattern)

		stream->test_pattern = *update->pending_test_pattern;

	/* update current stream with writeback info */

	if (update->wb_update) {

		int i;
@@ -2489,6 +2491,15 @@ static void commit_planes_do_stream_update(struct dc *dc, 
				}

			}



			if (stream_update->pending_test_pattern) {

				dc_link_dp_set_test_pattern(stream->link,

					stream->test_pattern.type,

					stream->test_pattern.color_space,

					stream->test_pattern.p_link_settings,

					stream->test_pattern.p_custom_pattern,

					stream->test_pattern.cust_pattern_size);

			}



			/* Full fe update*/

			if (update_type == UPDATE_TYPE_FAST)

				continue;

drivers/gpu/drm/amd/display/dc/dc_stream.h

+12 −0
Original line number Diff line number Diff line
@@ -130,6 +130,14 @@ union stream_update_flags { 
	uint32_t raw;

};



struct test_pattern {

	enum dp_test_pattern type;

	enum dp_test_pattern_color_space color_space;

	struct link_training_settings const *p_link_settings;

	unsigned char const *p_custom_pattern;

	unsigned int cust_pattern_size;

};



struct dc_stream_state {

	// sink is deprecated, new code should not reference

	// this pointer
@@ -231,6 +239,8 @@ struct dc_stream_state { 


	uint32_t stream_id;

	bool is_dsc_enabled;



	struct test_pattern test_pattern;

	union stream_update_flags update_flags;



	bool has_non_synchronizable_pclk;
@@ -268,6 +278,8 @@ struct dc_stream_update { 
	struct dc_dsc_config *dsc_config;

	struct dc_transfer_func *func_shaper;

	struct dc_3dlut *lut3d_func;



	struct test_pattern *pending_test_pattern;

};



bool dc_is_stream_unchanged(