tested-by: jingwen chen jingwen.chen@amd.com Signed-off-by: Monk Liu Monk.Liu@amd.com Signed-off-by: jingwen chen jingwen.chen@amd.com --- drivers/gpu/drm/scheduler/sched_main.c | 24 ++++-------------------- 1 file changed, 4 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index 3e0bbc7..87d72e9 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -319,19 +319,17 @@ static void drm_sched_job_timedout(struct work_struct *work) sched = container_of(work, struct drm_gpu_scheduler, work_tdr.work);
/* Protects against concurrent deletion in drm_sched_get_cleanup_job */ + if (!__kthread_should_park(sched->thread)) + kthread_park(sched->thread); + spin_lock(&sched->job_list_lock); job = list_first_entry_or_null(&sched->pending_list, struct drm_sched_job, list);
if (job) { - /* - * Remove the bad job so it cannot be freed by concurrent - * drm_sched_cleanup_jobs. It will be reinserted back after sched->thread - * is parked at which point it's safe. - */ - list_del_init(&job->list); spin_unlock(&sched->job_list_lock);
+ /* vendor's timeout_job should call drm_sched_start() */ status = job->sched->ops->timedout_job(job);
/* @@ -393,20 +391,6 @@ void drm_sched_stop(struct drm_gpu_scheduler *sched, struct drm_sched_job *bad) kthread_park(sched->thread);
/* - * Reinsert back the bad job here - now it's safe as - * drm_sched_get_cleanup_job cannot race against us and release the - * bad job at this point - we parked (waited for) any in progress - * (earlier) cleanups and drm_sched_get_cleanup_job will not be called - * now until the scheduler thread is unparked. - */ - if (bad && bad->sched == sched) - /* - * Add at the head of the queue to reflect it was the earliest - * job extracted. - */ - list_add(&bad->list, &sched->pending_list); - - /* * Iterate the job list from later to earlier one and either deactive * their HW callbacks or remove them from pending list if they already * signaled.