drm/radeon: add get_xclk() callback for CIK

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-04-09 13:32:18 -04:00
commit 2c67912c43
3 changed files with 30 additions and 0 deletions