diff options
| author | Eric Yang <[email protected]> | 2018-09-14 13:53:14 -0400 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2018-10-09 17:02:08 -0500 |
| commit | b7cd6487a52484bed5ba5424177f7a90166bcaac (patch) | |
| tree | c54b951dc2e418bf7517c8c9365e1715f8d8a587 | |
| parent | 8ab2180f96f5334974a84f54e794b3bc5912f4d1 (diff) | |
drm/amd/display: block DP YCbCr420 modes
[why]
Currently not supported, will black screen when set.
[How]
Fail validate timing helper for those modes.
Signed-off-by: Eric Yang <[email protected]>
Reviewed-by: Tony Cheng <[email protected]>
Acked-by: Leo Li <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c | 3 |
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; |