1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 951c8db01412..76033e2cdba8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -738,6 +738,7 @@ struct amdgpu_ctx {
         bool                    preamble_presented;
         enum amd_sched_priority init_priority;
         enum amd_sched_priority override_priority;
+        struct mutex            lock;
 };
 
 struct amdgpu_ctx_mgr {
@@ -760,9 +761,12 @@ void amdgpu_ctx_priority_override(struct amdgpu_ctx *ctx,
 int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
                      struct drm_file *filp);
 
+int amdgpu_ctx_wait_prev_fence(struct amdgpu_ctx *ctx, unsigned ring_id);
+
 void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr);
 void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr);
 
+
 /*
  * file private structure
  */