svn commit: r190125 - head/sys/dev/drm
Robert Noland
rnoland at FreeBSD.org
Thu Mar 19 21:53:13 PDT 2009
Author: rnoland
Date: Fri Mar 20 04:53:12 2009
New Revision: 190125
URL: http://svn.freebsd.org/changeset/base/190125
Log:
Only issue the wakeup and store the counter if vblank is enabled on
the pipe.
MFC after: 3 days
Modified:
head/sys/dev/drm/drm_irq.c
Modified: head/sys/dev/drm/drm_irq.c
==============================================================================
--- head/sys/dev/drm/drm_irq.c Fri Mar 20 04:49:48 2009 (r190124)
+++ head/sys/dev/drm/drm_irq.c Fri Mar 20 04:53:12 2009 (r190125)
@@ -210,10 +210,12 @@ int drm_irq_uninstall(struct drm_device
*/
DRM_SPINLOCK(&dev->vbl_lock);
for (crtc = 0; crtc < dev->num_crtcs; crtc++) {
- DRM_WAKEUP(&dev->vblank[crtc].queue);
- dev->vblank[crtc].enabled = 0;
- dev->vblank[crtc].last =
- dev->driver->get_vblank_counter(dev, crtc);
+ if (dev->vblank[crtc].enabled) {
+ DRM_WAKEUP(&dev->vblank[crtc].queue);
+ dev->vblank[crtc].enabled = 0;
+ dev->vblank[crtc].last =
+ dev->driver->get_vblank_counter(dev, crtc);
+ }
}
DRM_SPINUNLOCK(&dev->vbl_lock);
More information about the svn-src-head
mailing list