diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index 107e800635532c1d95fd833e9c8ca6c4756c51d2..be218754629ab85b02000c9ea6d379ab44ad8148 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -195,6 +195,7 @@ struct amdgpu_ring_funcs {
 	/* Try to soft recover the ring to make the fence signal */
 	void (*soft_recovery)(struct amdgpu_ring *ring, unsigned vmid);
 	int (*preempt_ib)(struct amdgpu_ring *ring);
+	void (*emit_mem_sync)(struct amdgpu_ring *ring);
 };
 
 struct amdgpu_ring {