drm/radeon: clear the page directory using the DMA

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2013-10-29 20:14:51 +01:00 • committed by Alex Deucher
commit db96bd2586