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drm/amd/display: Switch the custom "max bpc" property to the DRM prop

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[Why]
The custom "max bpc" property was added to limit color depth while the
DRM one was still being merged. It's been a few kernel versions since
then and this TODO was still sticking around.

[How]
Attach the DRM max bpc property to the connector and drop all of our
custom property management. Set the max bpc to 8 by default since
DRM defaults to the max in the range which would be 16 in this case.

No behavioral changes are intended with this patch, it should just be
a refactor.

v2: Don't force 8bpc when no state is given

Cc: Leo Li <sunpeng.li@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nicholas Kazlauskas
2019-05-22 12:00:54 -04:00
committed by Alex Deucher
parent a751767708
commit 1825fd34e8
4 changed files with 12 additions and 24 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
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@@ -631,10 +631,6 @@ int amdgpu_display_modeset_create_props(struct amdgpu_device *adev)
amdgpu_dither_enum_list, sz);
if (amdgpu_device_has_dc_support(adev)) {
adev->mode_info.max_bpc_property =
drm_property_create_range(adev->ddev, 0, "max bpc", 8, 16);
if (!adev->mode_info.max_bpc_property)
return -ENOMEM;
adev->mode_info.abm_level_property =
drm_property_create_range(adev->ddev, 0,
"abm level", 0, 4);