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

[Connor Kuehl]

On 9/2/19 1:22 AM, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1833617
> 
> [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.
> 
> Likun Gao (1):
>    drm/amdgpu: pin the csb buffer on hw init for gfx v8
> 
>   drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 40 +++++++++++++++++++++++++++
>   1 file changed, 40 insertions(+)
> 


Acked-by: Connor Kuehl <connor.kuehl at canonical.com>