Parent of sched fence is hw fence which is to signal sched fence. Change-Id: I9441545175a35875779d050038d0d099995503b8 Signed-off-by: Chunming Zhou <David1.Zhou at amd.com> --- drivers/gpu/drm/amd/scheduler/gpu_scheduler.c | 1 + drivers/gpu/drm/amd/scheduler/gpu_scheduler.h | 1 + drivers/gpu/drm/amd/scheduler/sched_fence.c | 1 + 3 files changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c index 2baedc4e..3794691 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c @@ -518,6 +518,7 @@ static int amd_sched_main(void *param) fence = sched->ops->run_job(sched_job); amd_sched_fence_scheduled(s_fence); if (fence) { + s_fence->parent = fence_get(fence); r = fence_add_callback(fence, &s_fence->cb, amd_sched_process_job); if (r == -ENOENT) diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h index 221a515..0a9f086 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h @@ -70,6 +70,7 @@ struct amd_sched_rq { }; struct amd_sched_fence { + struct fence *parent; struct fence scheduled; struct fence finished; struct fence_cb cb; diff --git a/drivers/gpu/drm/amd/scheduler/sched_fence.c b/drivers/gpu/drm/amd/scheduler/sched_fence.c index a5e3fef..6b63bea 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); } -- 1.9.1