drm/amd/display: check cursor scaling

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Don't allow user-space to set different scaling parameters for the
cursor plane and for the primary plane. Because of DCE/DCN design,
it's not possible to have a mismatch.

The old check in dm_update_plane_state is superseded by this new
check.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Harry Wentland <hwentlan@amd.com>
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Simon Ser 2020-11-20 20:18:59 +00:00 • committed by Alex Deucher

parent 5f58124815

commit 12f4849a1c

1 changed files with 44 additions and 7 deletions

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

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