drm/nouveau/tmr: fix miscalculation of ratio on pre-nv4x chipsets

The clock_get() hook returns KHz, not Hz.

Also fixed to use crystal freq from dev_priv.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-07-21 16:12:58 +10:00
commit afb0c796d8