drm/sched: Avoid job cleanup if sched thread is parked. (2b6f717c) · Commits · 戴 / test

When the sched thread is parked we assume ring_mirror_list is not accessed from here. Signed-off-by:

drivers/gpu/drm/scheduler/sched_main.c

+7 −3

Original line number	Diff line number	Diff line
		@@ -650,9 +650,13 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched)
		struct drm_sched_job *job;
		unsigned long flags;

		/* Don't destroy jobs while the timeout worker is running */
		if (sched->timeout != MAX_SCHEDULE_TIMEOUT &&
		!cancel_delayed_work(&sched->work_tdr))
		/*
		* Don't destroy jobs while the timeout worker is running OR thread
		* is being parked and hence assumed to not touch ring_mirror_list
		*/
		if ((sched->timeout != MAX_SCHEDULE_TIMEOUT &&
		!cancel_delayed_work(&sched->work_tdr)) \|\|
		__kthread_should_park(sched->thread))
		return NULL;

		spin_lock_irqsave(&sched->job_list_lock, flags);