diff options
| author | Shaohua Li <shaohua.li@intel.com> | 2009-11-26 06:22:41 (GMT) |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-11-30 17:39:57 (GMT) |
| commit | 311089d3d372c6f2b01a6d8a5ed7fcbcd9ad7621 (patch) | |
| tree | ef370ce461ca29a3d40d6d821d2ae26ef52cf776 /drivers | |
| parent | 1991bdfaf5897b6fbfdc7dce81508f7cbc044768 (diff) | |
| download | linux-311089d3d372c6f2b01a6d8a5ed7fcbcd9ad7621.tar.xz | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index a1833cb..b6251cd 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -950,7 +950,7 @@ void intel_wait_for_vblank(struct drm_device *dev) { /* Wait for 20ms, i.e. one cycle at 50hz. */ - mdelay(20); + msleep(20); } /* Parameters have changed, update FBC info */ |