drm/radeon: switch back to using the DMA ring for VM PT updates
authorAlex Deucher <alexander.deucher@amd.com>
Thu, 31 Jan 2013 21:26:02 +0000 (16:26 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 1 Feb 2013 18:57:10 +0000 (13:57 -0500)
Now that we have switched to using IBs for page table updates,
we can switch back the using the DMA ring.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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