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drm/amd/display: Handle pixel format test request

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[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: Ilya Bakoulin <Ilya.Bakoulin@amd.com>
Reviewed-by: Hanghong Ma <Hanghong.Ma@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ilya Bakoulin 2021-04-15 16:02:25 -04:00 committed by Alex Deucher
parent c31bef1cb1
commit 98ad74c6a9
1 changed files with 18 additions and 1 deletions
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19
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
View File

@ -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,