drm/radeon/dpm: track whether we are on AC or battery

Driver needs this information to validate power states.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2012-11-30 10:56:57 -05:00
commit 5ca302f701
2 changed files with 8 additions and 0 deletions