RE: Linux 5.10-rc4; graphics alignment

David Laight
2020-11-20T12:53:43Z

From: Thomas Zimmermann
> Sent: 20 November 2020 12:30
>
> Am 20.11.20 um 12:45 schrieb David Laight:
> > From: Thomas Zimmermann
> >> Sent: 20 November 2020 11:27
> > ...
> >>>> You can use drm-tip for testing, where many of the DRM patches go through.
> >>>>
> >>>> https://cgit.freedesktop.org/drm/drm-tip/
> >>>>
> >>>> It's fairly up-to-date.
> >>>
> >>> Any idea of tags either side of the 5.10 merge?
> >>
> >> The final commit before v5.9 appears to be
> >>
> >> Fixes: 33c8256b3bcc ("drm/amd/display: Change ABM config init interface")
> >>
> >> I'd try this as a good commit. For the bad commit, just try HEAD.
> >
> > HEAD off that tree works.
> > Colours ok and no stack backtrace.
> >
> > Ideas??
>
> The good news is that it's been fixed. All you have to do is wait for
> the fix to hit upstream.
>
> Did you try the patch that Dave linked?

That patch makes no difference to my system.
The condition is false so it doesn't corrupt the flags.
(I printed the values to see.)