Re: [PATCH] drm/lima: fix wait pp reset timeout

[Qiang Yu <yuq825@gmail.com>]

Thanks, applied to drm-misc-fixes.

Regards,
Qiang

On Sun, Jul 19, 2020 at 6:41 PM Erico Nunes <nunes.erico@gmail.com> wrote:
>
> On Sun, Jul 19, 2020 at 9:31 AM Qiang Yu <yuq825@gmail.com> wrote:
> >
> > PP bcast is marked as doing async reset after job is done.
> > When resume after suspend, each PP is reset individually,
> > so no need to reset in PP bcast resume. But I forgot to
> > clear the PP bcast async reset mark so call into async wait
> > before job run and gets timeout.
> >
> > Fixes: 3446d7e9883d ("drm/lima: add resume/suspend callback for each ip")
> > Signed-off-by: Qiang Yu <yuq825@gmail.com>
> > ---
> >  drivers/gpu/drm/lima/lima_pp.c | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/lima/lima_pp.c b/drivers/gpu/drm/lima/lima_pp.c
> > index 33f01383409c..a5c95bed08c0 100644
> > --- a/drivers/gpu/drm/lima/lima_pp.c
> > +++ b/drivers/gpu/drm/lima/lima_pp.c
> > @@ -271,6 +271,8 @@ void lima_pp_fini(struct lima_ip *ip)
> >
> >  int lima_pp_bcast_resume(struct lima_ip *ip)
> >  {
> > +       /* PP has been reset by individual PP resume */
> > +       ip->data.async_reset = false;
> >         return 0;
> >  }
> >
> > --
>
> Reviewed-by: Erico Nunes <nunes.erico@gmail.com>
>
> This fixes the issue reported at
> https://gitlab.freedesktop.org/lima/linux/-/issues/34 .
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