6.11-stable review patch. If anyone has any objections, please let me know.
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From: Boris Brezillon boris.brezillon@collabora.com
[ Upstream commit 412a2a8fdd4eb89b263623c7a59b77dbfcf8f215 ]
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: de8548813824 ("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.... Signed-off-by: Sasha Levin sashal@kernel.org --- 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 4d1d5a342a4a6..9b64c61caab64 100644 --- a/drivers/gpu/drm/panthor/panthor_sched.c +++ b/drivers/gpu/drm/panthor/panthor_sched.c @@ -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;