drm/amd/display: Implement support for backlight optimization

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- Add functionality to get real hw backlight level as opposed to user
level, meaning the level that takes into account backlight ramping
over time and backlight reduction due to Varibright
- Add backlight optimization which allows for a second OS state
that is able to control ABM

Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Anthony Koo 2017-05-04 14:09:09 -04:00 • committed by Alex Deucher

parent c0ba5ec70e

commit fe62673471

2 changed files with 12 additions and 2 deletions

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13

drivers/gpu/drm/amd/display/dc/dce/dce_abm.c

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1

drivers/gpu/drm/amd/display/dc/inc/hw/abm.h

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