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

Andrea Righi andrea.righi at
Wed Jul 8 09:50:47 UTC 2020

On Wed, Jul 08, 2020 at 04:42:03AM -0400, Aaron Ma wrote:
> BugLink:
> [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.

Looks good to me.

Acked-by: Andrea Righi <andrea.righi at>

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