From: Ilya Bakoulin <Ilya.Bakoulin@xxxxxxx>
[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@xxxxxxx>
Reviewed-by: Hanghong Ma <Hanghong.Ma@xxxxxxx>
Acked-by: Stylon Wang <stylon.wang@xxxxxxx>
---
.../gpu/drm/amd/display/dc/core/dc_link_dp.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index 27c5d49a7bc1..ba4883fca616 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -2975,6 +2975,22 @@ 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",
@@ -2982,9 +2998,10 @@ 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,
--
2.25.1
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