[PATCH 0/1][SRU][OEM-5.10/OEM-5.13/H/U]Fix HDR backlight issue on AMD

Aaron Ma aaron.ma at canonical.com
Fri Jul 30 08:02:27 UTC 2021

BugLink: https://bugs.launchpad.net/bugs/1934557

SRU justification:

backlight can't be controlled on AMD platform.

AUX doesn't work on HDR panel, fallback to PWM mode to make backlight be

Verified on hardware, backlight brightness works fine.

[Where problems could occur]
It may break backlight control on AMD platform.

Alex Deucher (1):
  drm/amdgpu/display: only enable aux backlight control for OLED panels

 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)


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