From 754ce0fa55c4e464626e961ddb98f935ab85aa19 Mon Sep 17 00:00:00 2001 From: Chunming Zhou Date: Thu, 30 Jun 2016 11:23:31 +0800 Subject: [PATCH] drm/amd: add parent for sched fence MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Parent of sched fence is hw fence which is to signal sched fence. Signed-off-by: Chunming Zhou Reviewed-by: Christian König Signed-off-by: Alex Deucher --- 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 3405372cda0c..717655d0c642 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c @@ -516,6 +516,7 @@ 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 9024dc5592e3..545fda73a05f 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h @@ -69,6 +69,7 @@ struct amd_sched_fence { struct fence scheduled; struct fence finished; struct fence_cb cb; + struct fence *parent; struct amd_gpu_scheduler *sched; spinlock_t lock; void *owner; 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); } -- 2.11.0