drm/radeon/dpm: add an enum for pcie gen selection

This makes it easier the understand what the code is
doing.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-03-18 17:03:01 -04:00
commit 32ce4652dc
2 changed files with 20 additions and 9 deletions