drm/amd/display: Program VSC SDP colorimetry for all DP sinks >= 1.4

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In order for display colorimetry to work correctly on DP displays
we need to send the VSC SDP packet. We should only do so for
panels with DPCD revision greater or equal to 1.4 as older
receivers might have problems with it.

Cc: stable@vger.kernel.org
Cc: Joshua Ashton <joshua@froggi.es>
Cc: Xaver Hugl <xaver.hugl@gmail.com>
Cc: Melissa Wen <mwen@igalia.com>
Cc: Agustin Gutierrez <Agustin.Gutierrez@amd.com>
Reviewed-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Harry Wentland 2024-03-12 11:55:52 -04:00 • committed by Alex Deucher

parent 9850a1c44c

commit 1abfb9f9c7

1 changed files with 5 additions and 2 deletions

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drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

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