Re: [PATCH v2 4/4] drm/panfrost: Handle non-aligned lock addresses

From: Alyssa Rosenzweig
Date: Wed Aug 25 2021 - 11:06:18 EST


> > Horrifying, and not what I wanted to read my last day before 2 weeks of
> > leave. Let's drop this patch, hopefully by the time I'm back, your
> > friends in GPU can confirm that's a spec bug and not an actual
> > hardware/driver one...
> >
> > Can you apply the other 3 patches in the mean time? Thanks :-)
> >
>
> Yeah, sure. I'll push the first 3 to drm-misc-next-fixes (should land in
> v5.15).
>
> It's interesting that if my (new) reading of the spec is correct then
> kbase has been horribly broken in this respect forever. So clearly it
> can't be something that crops up very often. It would have been good if
> the spec could have included wording such as "naturally aligned" if
> that's what was intended.

Indeed. Fingers crossed this is a mix-up. Although the text you quoted
seems pretty clear unfortunately :|

> Enjoy your holiday!

Thanks!