drm/radeon/kms: fix i2c prescale calc on older radeons

Should fix fdo bug 26430

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-03-12 12:55:34 -05:00 • committed by Dave Airlie
commit 96a4c8d50d