drm/amd/display: Implement backlight_ops.get_brightness

Browse source

[Why]
This hook that is supposed to read the actual backlight value
is used in a few places throughout the kernel to setup or force
update on backlight

[How]
Create a dc function that calls the existing abm function, and
call that function from amdgpu

Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

David Francis 2018-07-19 11:25:05 -04:00 • committed by Alex Deucher

parent 0301ccbaf6

commit 620a0d27b2

3 changed files with 17 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

7

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

View file

9

drivers/gpu/drm/amd/display/dc/core/dc_link.c

View file

2

drivers/gpu/drm/amd/display/dc/dc_link.h

View file