drm/radeon: use status regs to determine what to reset (si)

When we attempt the reset the GPU, look at the status registers
to determine what blocks need to be reset.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-01-18 19:36:20 -05:00
commit 014bb20921
2 changed files with 132 additions and 34 deletions