Commit 311089d3 authored by Shaohua Li's avatar Shaohua Li Committed by Eric Anholt

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: default avatarShaohua Li <shaohua.li@intel.com>
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
parent 1991bdfa
...@@ -950,7 +950,7 @@ void ...@@ -950,7 +950,7 @@ void
intel_wait_for_vblank(struct drm_device *dev) intel_wait_for_vblank(struct drm_device *dev)
{ {
/* Wait for 20ms, i.e. one cycle at 50hz. */ /* Wait for 20ms, i.e. one cycle at 50hz. */
mdelay(20); msleep(20);
} }
/* Parameters have changed, update FBC info */ /* Parameters have changed, update FBC info */
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment