drm/amd/display: Filter out YCbCr420 timing if VSC SDP not supported

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[Why]
Per DP specification, YCbCr420 shall use VSC SDP.

[How]
For YCbCr420 timings, fail DP mode timing validation
if DPCD caps do not indicate VSC SDP colorimetry
support.

Signed-off-by: George Shen <george.shen@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

George Shen 2021-04-16 17:35:07 -04:00 • committed by Alex Deucher

parent 70c14a1d7e

commit 05e62b6b64

1 changed files with 6 additions and 0 deletions

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

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