amdgpu_ring_undo
amdgpu_ring_undo(ring);
amdgpu_ring_undo(ring);
amdgpu_ring_undo(ring);
amdgpu_ring_undo(ring);
amdgpu_ring_undo(ring);
amdgpu_ring_undo(ring);
amdgpu_ring_undo(ring);
void amdgpu_ring_undo(struct amdgpu_ring *ring);
amdgpu_ring_undo(ring);
amdgpu_ring_undo(ring);
amdgpu_ring_undo(ring);
amdgpu_ring_undo(ring);