ACK / APPLIED[E]: [SRU] [D/E] [PATCH 0/1] Fix S3 screen freeze on AMD Stoney Ridge

Seth Forshee seth.forshee at
Thu Sep 5 20:28:44 UTC 2019

On Mon, Sep 02, 2019 at 04:22:40PM +0800, Kai-Heng Feng wrote:
> BugLink:
> [Impact]
> Screen freeze after S3 on AMD Stoney Ridge.
> [Fix]
> Pin the VRAM so it won't contain garbage data after S3.
> [Test]
> After applying this patch I can confirm the issue is gone on Dell
> Inspiron 3180, a Stoney Ridge laptop.
> [Regression Potential]
> Low. This patch only touched a small subset of amdgpu.

Upstream cherry pick, positive testing.

Acked-by: Seth Forshee <seth.forshee at>

Applied to eoan/master-next, thanks!

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