drm/radeon/dpm/cayman: use new fixed point functions (v2)

Use the new fixed point functions for leakage
calculations on cayman.

v2: fix up 64 bit math

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-03-22 10:43:00 -04:00
commit b253e4b359