ACK: [SRU][PATCH 0/1][oem-5.6] fix amd RENOIR screen backlight issue.

Colin Ian King colin.king at canonical.com
Wed Jul 8 08:46:25 UTC 2020


On 08/07/2020 09:42, Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/1886785
> 
> [Impact]
> On AMD RENOIR gpu, after S3 backlight brightness can not be changed.
> 
> [Fix]
> Pevious patch prevent loading iram, then dmcu can not work.
> Remove unused check to load iram right. Then backlight works well.
> 
> [Test]
> Verified on hardware, after 10 times of S3, backlight can be changed by
> hotkey.
> 
> [Regression Potential]
> Low
> Upstream fix, backports is minimal.
> RENOIR is only supported on oem-5.6, no focal patch.
> 
> Harry Wentland (1):
>   Revert "drm/amd/display: disable dcn20 abm feature for bring up"
> 
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 11 ++++-------
>  1 file changed, 4 insertions(+), 7 deletions(-)
> 

Looks good to me, upstream fix, minimal backport changes, so..

Acked-by: Colin Ian King <colin.king at canonical.com>



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