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(parent: 7470123) | patch
drm/amd/display: Add debugfs entry to force YUV420 output
authorStylon Wang <stylon.wang@amd.com>
Tue, 20 Aug 2019 18:48:37 +0000 (14:48 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 17 Sep 2019 13:06:54 +0000 (08:06 -0500)
commitd4252eee1f7cde7f8b1673626d1b49498c1d4f77
tree3335d30c1cb7203b2fafd872dac052899455c121tree | snapshot
parent747012382937e4b6eb34ba730e815f9da836e454commit | diff
drm/amd/display: Add debugfs entry to force YUV420 output

[Why]
Even if YUV420 is available for video mode, YUV444 is still
automatically selected. This poses a problem for compliance tests.

[How]
Add a per-connector debugfs entry "force_yuv420_output" to force
selection of YUV420 mode.

Signed-off-by: Stylon Wang <stylon.wang@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c diff | blob | history
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h diff | blob | history
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c diff | blob | history
Domain: System / Kernel;