drm/radeon/kms: add common dpm infrastructure

This adds the common dpm (dynamic power management)
infrastructure:
- dpm callbacks
- dpm init/fini/suspend/resume
- dpm power state selection

No device specific code is enabled yet.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-04-12 13:55:22 -04:00
commit da321c8a6a
3 changed files with 591 additions and 9 deletions