tree 0b4afcd96291498ff983eac850fc0171121ab645
parent 233d1ad59a2895e348259bb6f9f4528a75ea7752
author Alex Deucher <alexander.deucher@amd.com> 1354652853 -0500
committer Alex Deucher <alexander.deucher@amd.com> 1355176414 -0500

drm/radeon/kms: Add initial support for async DMA on cayman/TN

There are 2 async DMA engines on cayman, one at 0xd000 and
one at 0xd800.  The programming interface is the same as
evergreen however there are some changes to the commands
for using vmids.

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