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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>
This commit is contained in:
Chunming Zhou 2016-06-30 11:23:31 +08:00 committed by Alex Deucher
parent f263ec622f
commit 754ce0fa55
3 changed files with 3 additions and 0 deletions
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1
drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
View File

@ -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)

1
drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
View File

@ -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;

1
drivers/gpu/drm/amd/scheduler/sched_fence.c
View File

@ -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);
}