drm/radeon: use the reset mask to determine if rings are hung

fetch the reset mask and check if the relevant ring flags
are set to determine whether the ring is hung or not.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-01-24 11:37:19 -05:00
commit 123bc1832c
6 changed files with 173 additions and 80 deletions