[PATCH v2] drm/panthor: flush FW AS caches in slow reset path
Boris Brezillon
boris.brezillon at collabora.com
Thu Sep 5 07:46:20 UTC 2024
On Mon, 2 Sep 2024 16:11:51 +0100
Steven Price <steven.price at arm.com> wrote:
> On 02/09/2024 14:02, Adrián Larumbe wrote:
> > In the off-chance that waiting for the firmware to signal its booted status
> > timed out in the fast reset path, one must flush the cache lines for the
> > entire FW VM address space before reloading the regions, otherwise stale
> > values eventually lead to a scheduler job timeout.
> >
> > Fixes: 647810ec2476 ("drm/panthor: Add the MMU/VM logical block")
> > Cc: stable at vger.kernel.org
> > Signed-off-by: Adrián Larumbe <adrian.larumbe at collabora.com>
> > Acked-by: Liviu Dudau <liviu.dudau at arm.com>
>
> Reviewed-by: Steven Price <steven.price at arm.com>
Pushed to drm-misc-fixes.
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