tree ef370ce461ca29a3d40d6d821d2ae26ef52cf776
parent 1991bdfaf5897b6fbfdc7dce81508f7cbc044768
author Shaohua Li <shaohua.li@intel.com> 1259216561 +0800
committer Eric Anholt <eric@anholt.net> 1259602797 -0800

drm/i915: use msleep for intel_wait_for_vblank

20ms delay is quite big and the routine isn't called in atomic context.
better use msleep to let other tasks run. This can reduce cpu time used
by Xorg, so potentially boost boot.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>