Commit 98ad74c6 authored by Ilya Bakoulin's avatar Ilya Bakoulin Committed by Alex Deucher
Browse files

drm/amd/display: Handle pixel format test request 



[Why]
Some DSC tests fail because stream pixel encoding does not change
its value according to the type requested in the DPCD test params.

[How]
Set stream pixel encoding before updating DSC config and configuring
the test pattern.

Signed-off-by: default avatarIlya Bakoulin <Ilya.Bakoulin@amd.com>
Reviewed-by: default avatarHanghong Ma <Hanghong.Ma@amd.com>
Acked-by: default avatarStylon Wang <stylon.wang@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c31bef1c

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

+18 −1
Original line number Diff line number Diff line
@@ -2957,6 +2957,22 @@ static void dp_test_send_link_test_pattern(struct dc_link *link) 
		break;

	}



	switch (dpcd_test_params.bits.CLR_FORMAT) {

	case 0:

		pipe_ctx->stream->timing.pixel_encoding = PIXEL_ENCODING_RGB;

		break;

	case 1:

		pipe_ctx->stream->timing.pixel_encoding = PIXEL_ENCODING_YCBCR422;

		break;

	case 2:

		pipe_ctx->stream->timing.pixel_encoding = PIXEL_ENCODING_YCBCR444;

		break;

	default:

		pipe_ctx->stream->timing.pixel_encoding = PIXEL_ENCODING_RGB;

		break;

	}





	if (requestColorDepth != COLOR_DEPTH_UNDEFINED

			&& pipe_ctx->stream->timing.display_color_depth != requestColorDepth) {

		DC_LOG_DEBUG("%s: original bpc %d, changing to %d\n",
@@ -2964,9 +2980,10 @@ static void dp_test_send_link_test_pattern(struct dc_link *link) 
				pipe_ctx->stream->timing.display_color_depth,

				requestColorDepth);

		pipe_ctx->stream->timing.display_color_depth = requestColorDepth;

		dp_update_dsc_config(pipe_ctx);

	}



	dp_update_dsc_config(pipe_ctx);



	dc_link_dp_set_test_pattern(

			link,

			test_pattern,