drm/amdgpu: fix timeout value check in amd_sched_job_recovery

Could be that we don't actually have a timeout set.

Signed-off-by: Christian König <[e-mail]>
Acked-by: Alex Deucher <[e-mail]>
Reviewed-by: Chunming Zhou <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/scheduler/gpu_scheduler.c

···
 	spin_lock(&sched->job_list_lock);
 	s_job = list_first_entry_or_null(&sched->ring_mirror_list,
 					 struct amd_sched_job, node);
-	if (s_job)
+	if (s_job && sched->timeout != MAX_SCHEDULE_TIMEOUT)
 		schedule_delayed_work(&s_job->work_tdr, sched->timeout);
 
 	list_for_each_entry_safe(s_job, tmp, &sched->ring_mirror_list, node) {