to_amdgpu_amdkfd_fence
struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f);
struct amdgpu_amdkfd_fence *fence = to_amdgpu_amdkfd_fence(f);
struct amdgpu_amdkfd_fence *fence = to_amdgpu_amdkfd_fence(f);
struct amdgpu_amdkfd_fence *fence = to_amdgpu_amdkfd_fence(f);
struct amdgpu_amdkfd_fence *fence = to_amdgpu_amdkfd_fence(f);
if (!to_amdgpu_amdkfd_fence(fence))
kfd_fence = to_amdgpu_amdkfd_fence(f);