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mirror_ubuntu-kernels/drivers/gpu/drm/amd/display
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Zhan Liu c010efb7f0 drm/amdgpu/display - only update eDP's backlight level when necessary 
[Why]
The original logic is to update eDP's backlight level
on every amdgpu dm atomic commit, which causes excessive
DMUB write. As a result, when playing game or moving window
around, DMUB timeout and system lagging are observed.

[How]
We only need to update eDP's backlight level when current level
doesn't match requested level.

Signed-off-by: Zhan Liu <zhan.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-07-13 11:58:30 -04:00
..
amdgpu_dm drm/amdgpu/display - only update eDP's backlight level when necessary 2021-07-13 11:58:30 -04:00
dc drm/amd/display: update header file name 2021-07-13 11:48:12 -04:00
dmub drm/amd/display: Extend DMUB diagnostic logging to DCN3.1 2021-07-01 00:05:40 -04:00
include drm/amdgpu/display: fold DRM_AMD_DC_DCN3_1 into DRM_AMD_DC_DCN 2021-06-22 16:51:45 -04:00
modules drm/amdgpu/display: fold DRM_AMD_DC_DCN3_1 into DRM_AMD_DC_DCN 2021-06-22 16:51:45 -04:00
Kconfig drm/amdgpu/display: fold DRM_AMD_DC_DCN3_1 into DRM_AMD_DC_DCN 2021-06-22 16:51:45 -04:00
Makefile drm/amd/display: Drop CONFIG_DRM_AMD_DC_DMUB guards 2019-11-13 15:29:42 -05:00
TODO