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drm/panthor: Fail job creation when the group is dead

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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.

Changes in v3:
- None

Changes in v2:
- Add R-bs

Fixes: de85488138 ("drm/panthor: Add the scheduler logical block")
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241029152912.270346-2-boris.brezillon@collabora.com
This commit is contained in:
Boris Brezillon 2024-10-29 16:29:10 +01:00
parent 5d01b56f05
commit 412a2a8fdd
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/panthor/panthor_sched.c
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@ -3409,6 +3409,11 @@ 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;