On 25/10/2024 14:21, Boris Brezillon wrote:
> Userspace can use GROUP_SUBMIT errors as a trigger to check the group
> state and recreate the group if it became unusable. Make sure we
> report an error when the group became unusable.
>
> Fixes: de8548813824 ("drm/panthor: Add the scheduler logical block")
> Signed-off-by: Boris Brezillon <boris.brezil...@collabora.com>
Reviewed-by: Steven Price <steven.pr...@arm.com>
> ---
> drivers/gpu/drm/panthor/panthor_sched.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/panthor/panthor_sched.c
> b/drivers/gpu/drm/panthor/panthor_sched.c
> index 423743ad8842..9f02554a20db 100644
> --- a/drivers/gpu/drm/panthor/panthor_sched.c
> +++ b/drivers/gpu/drm/panthor/panthor_sched.c
> @@ -3678,6 +3678,11 @@ panthor_job_create(struct panthor_file *pfile,
> goto err_put_job;
> }
>
> + if (!group_can_run(job->group)) {
> + ret = -EINVAL;
> + goto err_put_job;
> + }
> +
> if (job->queue_idx >= job->group->queue_count ||
> !job->group->queues[job->queue_idx]) {
> ret = -EINVAL;
