Re: [PATCH] drm/msm/adreno: Leave the GPU RSC awake for system poweroff

[Konrad Dybcio]

On 10/3/26 9:35 PM, Michael Burch wrote:
> On X1E80100 (Dell XPS 13 9345), commit d9108bfdb746 ("drm/msm/a6xx: Fix
> stale rpmh votes after suspend") appears to turn poweroff into a reboot.
> It seems to happen when the GPU RSC/PDC is asleep at system off, i.e.
> when the GPU was idle before shutdown. Keeping the GPU awake until
> shutdown avoids it.
> 
> Resume the GPU in adreno_shutdown() and skip the RSC sleep in the final
> stop. Suspend and runtime suspend are unchanged.
> 
> Tested on X1E80100 only: poweroff and reboot on AC and battery, and
> deep suspend still drops the GPU votes.
> 
> Fixes: d9108bfdb746 ("drm/msm/a6xx: Fix stale rpmh votes after suspend")
> Signed-off-by: Michael Burch <me@xxxxxxxxxxxxxxxx>
> ---

This is odd - did you test it precisely with and without this patch
and no other changes?

Konrad