Radeon regression in 6.6 kernel

[Dave Airlie]

>
> On 12.11.23 01:46, Phillip Susi wrote:
> > I had been testing some things on a post 6.6-rc5 kernel for a week or
> > two and then when I pulled to a post 6.6 release kernel, I found that
> > system suspend was broken.  It seems that the radeon driver failed to
> > suspend, leaving the display dead, the wayland display server hung, and
> > the system still running.  I have been trying to bisect it for the last
> > few days and have only been able to narrow it down to the following 3
> > commits:
> >
> > There are only 'skip'ped commits left to test.
> > The first bad commit could be any of:
> > 56e449603f0ac580700621a356d35d5716a62ce5
> > c07bf1636f0005f9eb7956404490672286ea59d3
> > b70438004a14f4d0f9890b3297cd66248728546c
> > We cannot bisect more!
>
> Hmm, not a single reply from the amdgpu folks. Wondering how we can
> encourage them to look into this.
>
> Phillip, reporting issues by mail should still work, but you might have
> more luck here, as that's where the amdgpu afaics prefer to track bugs:
> https://gitlab.freedesktop.org/drm/amd/-/issues
>
> When you file an issue there, please mention it here.
>
> Furthermore it might help if you could verify if 6.7-rc1 (or rc2, which
> comes out later today) or 6.6.2-rc1 improve things.

It would also be good to test if reverting any of these is possible or not.

File the gitlab issue and we should poke amd a but more to take a look.

Dave.