drm/radeon: rework GPU reset on r6xx/r7xx

Update the code to better match the recommended
programming sequence for soft reset.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-01-18 13:53:37 -05:00
commit d3cb781e83
2 changed files with 129 additions and 122 deletions