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

Kelsey Skunberg kelsey.skunberg at canonical.com
Fri Aug 13 01:05:57 UTC 2021


applied to hirsute master-next. Thank you!

-Kelsey

On 2021-07-30 16:02:27 , Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/1934557
> 
> SRU justification:
> 
> [Impact]
> backlight can't be controlled on AMD platform.
> 
> [Fix]
> AUX doesn't work on HDR panel, fallback to PWM mode to make backlight be
> controlled.
> 
> [Test]
> 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(-)
> 
> -- 
> 2.32.0
> 
> 
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