drm/radeon: remove special handling for the DMA ring

Now that we have callbacks for [rw]ptr handling we can
remove the special handling for the DMA rings and use
the callbacks instead.

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 2013-08-13 11:56:52 +02:00 • committed by Alex Deucher
commit 2e1e6dad6a
11 changed files with 95 additions and 59 deletions