drm/radeon: add infrastructure for advanced ring synchronization v2

v2: BUG_ON not matching rings.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
This commit is contained in:
Christian König 2012-05-10 15:57:31 +02:00
commit 68e250b7c2
2 changed files with 87 additions and 11 deletions