drm/radeon: make non-DP PPLL sharing more robust

Compare the adjusted clock as well as the crtc mode
clock.  This handles cases where the driver adjusts
the clock for specific special cases.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2012-09-13 12:43:41 -04:00
commit 9642ac0e64