drm/radeon/dpm: add helpers for extended power tables (v2)

This data will be needed for dpm on newer asics.

v2: fix typo in rebase

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2012-11-14 19:57:42 -05:00
commit 61b7d60110
3 changed files with 252 additions and 0 deletions