drm/amdgpu: optimize scheduler fence handling
We only need to wait for jobs to be scheduled when
the dependency is from the same scheduler.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
index 939692b..a0f0ae5 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
@@ -27,6 +27,8 @@
#include <linux/kfifo.h>
#include <linux/fence.h>
+#define AMD_SCHED_FENCE_SCHEDULED_BIT FENCE_FLAG_USER_BITS
+
struct amd_gpu_scheduler;
struct amd_sched_rq;
@@ -68,6 +70,7 @@
struct amd_sched_fence {
struct fence base;
struct fence_cb cb;
+ struct list_head scheduled_cb;
struct amd_gpu_scheduler *sched;
spinlock_t lock;
void *owner;
@@ -134,7 +137,7 @@
struct amd_sched_fence *amd_sched_fence_create(
struct amd_sched_entity *s_entity, void *owner);
+void amd_sched_fence_scheduled(struct amd_sched_fence *fence);
void amd_sched_fence_signal(struct amd_sched_fence *fence);
-
#endif