drm/amd: add parent for sched fence

Parent of sched fence is hw fence which is to signal sched fence.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/scheduler/sched_fence.c b/drivers/gpu/drm/amd/scheduler/sched_fence.c
index a5e3fef622fb..6b63beaf7574 100644
--- a/drivers/gpu/drm/amd/scheduler/sched_fence.c
+++ b/drivers/gpu/drm/amd/scheduler/sched_fence.c
@@ -98,6 +98,7 @@ static void amd_sched_fence_free(struct rcu_head *rcu)
         struct fence *f = container_of(rcu, struct fence, rcu);
         struct amd_sched_fence *fence = to_amd_sched_fence(f);
 
+        fence_put(fence->parent);
         kmem_cache_free(sched_fence_slab, fence);
 }