drm/amd/scheduler: add WARN_ON for s_fence->parent

Signed-off-by: Chunming Zhou <[email protected]>
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index 9e3748a5b398f6917e2abd7b4570917577bddcae..dcb987e6d94ab6c7136cc8df80640e6f32c92e05 100644 (file)
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -241,6 +241,7 @@ void amd_sched_entity_fini(struct amd_gpu_scheduler *sched,
                        amd_sched_fence_scheduled(s_fence);
                        dma_fence_set_error(&s_fence->finished, -ESRCH);
                        amd_sched_fence_finished(s_fence);
+                       WARN_ON(s_fence->parent);
                        dma_fence_put(&s_fence->finished);
                        sched->ops->free_job(job);
                }