to_amdgpu_fence
to_amdgpu_fence(fence)->start_timestamp = ktime_get();
to_amdgpu_fence(fence)->start_timestamp);
to_amdgpu_fence(fence)->start_timestamp = timestamp;
return (const char *)to_amdgpu_fence(f)->ring->name;
if (!timer_pending(&to_amdgpu_fence(f)->ring->fence_drv.fallback_timer))
amdgpu_fence_schedule_fallback(to_amdgpu_fence(f)->ring);
kfree(to_amdgpu_fence(f));