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-rw-r--r--drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c3
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
index 4942590e8b9c..70eb9472ccd9 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
@@ -662,6 +662,9 @@ bool dce110_link_encoder_validate_dp_output(
const struct dce110_link_encoder *enc110,
const struct dc_crtc_timing *crtc_timing)
{
+ if (crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
+ return false;
+
/* default RGB only */
if (crtc_timing->pixel_encoding == PIXEL_ENCODING_RGB)
return true;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c
index 6f675206a136..bef0011a98b0 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c
@@ -606,6 +606,9 @@ bool dcn10_link_encoder_validate_dp_output(
const struct dcn10_link_encoder *enc10,
const struct dc_crtc_timing *crtc_timing)
{
+ if (crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
+ return false;
+
/* default RGB only */
if (crtc_timing->pixel_encoding == PIXEL_ENCODING_RGB)
return true;