Bug#1114806: Please backport commit 440cec4ca1c2 ("drm/amdgpu: Wait for bootloader after PSPv11 reset") to v6.16.y
Hi Greg,
[note fixing up my typo for the Debian bug, sorry about that]
On Sun, Sep 14, 2025 at 01:43:38PM +0200, Greg Kroah-Hartman wrote:
> On Sun, Sep 14, 2025 at 01:18:11PM +0200, Salvatore Bonaccorso wrote:
> > Hi
> >
> > In Debian we got the report in https://bugs.debian.org/1114806 that
> > suspend to RAM fails (amdgpu driver hang) and Niklas Cathor was both
> > able to bisect the issue down to 8345a71fc54b ("drm/amdgpu: Add more
> > checks to PSP mailbox") (which was backported to 6.12.2 as well).
> >
> > There is an upstream report as well at
> > https://gitlab.freedesktop.org/drm/amd/-/issues/4531 matching the
> > issue and fixed by 440cec4ca1c2 ("drm/amdgpu: Wait for bootloader
> > after PSPv11 reset").
> >
> > Unfortunately the commit does not apply cleanly to 6.16.y as well as
> > there were the changes around 9888f73679b7 ("drm/amdgpu: Add a
> > noverbose flag to psp_wait_for").
> >
> > Attached patch backports the commit due to this context changes,
> > assuming it is not desirable to pick as well 9888f73679b7.
> >
> > Does that looks good? If yes, can you please consider picking it up or
> > the next 6.16.y stable series as well?
>
> I have a revert of the offending commit in the 6.16.y queue right now,
> as this was pointed out as causing a problem:
> https://lore.kernel.org/all/20250904220457.473940-1-alexander.deucher@amd.com/
> so that should resolve this issue, right?
Ah good, yes that should be equally fine (I missed the pending
revert). Thanks a lot!
Regards,
Salvatore
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