tree abbbd0efe290bc984cd5a35d9fc784817dc69dfd
parent 2e9d4c05a17e3f3056c823c76f2c908d4eda17aa
author Alex Deucher <alexander.deucher@amd.com> 1365789562 -0400
committer Alex Deucher <alexander.deucher@amd.com> 1372344565 -0400

drm/radeon/kms: add dpm support for rs780/rs880

This adds dpm support for rs780/rs880 asics.  This includes:
- clockgating
- dynamic engine clock scaling
- dynamic voltage scaling

set radeon.dpm=1 to enable it.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>