Am Dienstag, 28. November 2023, 09:03:46 CET schrieb Andy Yan:
> Hi Heiko:
>
> On 11/27/23 23:02, Heiko Stübner wrote:
> > Am Mittwoch, 22. November 2023, 13:54:25 CET schrieb Andy Yan:
> >> From: Andy Yan <andy....@rock-chips.com>
> >>
> >> The enable bit and transform offset of cluster windows should be
> >> cleared when it work at linear mode, or we may have a iommu fault
> >> issue.
> >>
> >> Signed-off-by: Andy Yan <andy....@rock-chips.com>
> > I guess same here?
> >
> > Fixes: 604be85547ce ("drm/rockchip: Add VOP2 driver")
>
>
> I'm not sure if we need a Fixes tag here, in fact this issue never happens on
>
> rk3566/8 , because the cluster windows of rk356x only support afbc format,
>
> they don't have a chance to switch between afbc and linear mode.
>
> Of course, the lack support of linear mode of rk356x cluster windows is a
> thoughtless
>
> of IC design, if it really support both afbc and linear format, we indeed
> need this fix.
>
> The situation is the same as patch 03/12.
>
> So I hope follow your advice, if it need a Fixes tag here.
ah ok, thanks for the explanation. Then I guess we don't need a fixes tag
when the rk3568 is not affected by this.
Same for the other patch. If you're re-sending you could add this information
to the commit message though. (existing support for rk3568 only supports
afbc cluster windows and is therefore not affected)
Thanks
Heiko
