[Intel-gfx] REGRESSION with 5.12: Suspend not working on Toshiba notebook - FIXED

[Andreas Friedrich]

On Mon, May 03, 2021 at 02:00:50PM +0200, Andreas Friedrich wrote:

Hello Joonas,
> ...
> > It's very possible that it can be i915 bug. What you can try is to
> > blacklist i915 module and operate the system with SSH and see if the
> > latest kernel still freezes?
> This is a good idea. I have disabled i915 in my kernel configuration:
>   grep I915 .config
>   # CONFIG_DRM_I915 is not set
> This time the suspend works fine! So I think it is definitely an i915
> DRM bug.
> >
> > Also, please try drm-tip kernel and see if it fixed there.
> I have tried:
>   uname -r
>   5.12.0-rc8+
> but no changes. The system freezes after the first try.
> ...
> > Please do file a bug on the issue tracker as requested:
> >
> > https://gitlab.freedesktop.org/drm/intel/issues/
> Done.

Fixed with 5.12.2
  drm/i915: Disable runtime power management during shutdown,
  commit 7962893ecb853aa7c8925ce237ab6c4274cfc1c7 upstream.

Best regards
Andreas Friedrich