On Mon, 21 Jun 2021 15:38:56 +0200
Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx> wrote:
> Jobs can be in-flight when the file descriptor is closed (either because
> the process did not terminate properly, or because it didn't wait for
> all GPU jobs to be finished), and apparently panfrost_job_close() does
> not cancel already running jobs. Let's refcount the MMU context object
> so it's lifetime is no longer bound to the FD lifetime and running jobs
> can finish properly without generating spurious page faults.
>
> Reported-by: Icecream95 <ixn@xxxxxxxxxx>
> Fixes: 7282f7645d06 ("drm/panfrost: Implement per FD address spaces")
> Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
Queued this patch to drm-misc-next. I'll respin the rest of this series.
