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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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2
drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
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@@ -331,8 +331,6 @@ struct amdgpu_mode_info {
struct drm_property *audio_property;
/* FMT dithering */
struct drm_property *dither_property;
/* maximum number of bits per channel for monitor color */
struct drm_property *max_bpc_property;
/* Adaptive Backlight Modulation (power feature) */
struct drm_property *abm_level_property;
/* hardcoded DFP edid from BIOS */