When the sched thread is parked we assume ring_mirror_list is
not accessed from here.

Signed-off-by: Andrey Grodzovsky <[email protected]>
---
 drivers/gpu/drm/scheduler/sched_main.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/scheduler/sched_main.c 
b/drivers/gpu/drm/scheduler/sched_main.c
index 38bbad7..80ddbdf 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -647,9 +647,13 @@ static void drm_sched_cleanup_jobs(struct 
drm_gpu_scheduler *sched)
 {
        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;
 
 
-- 
2.7.4

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