Author: rnoland
Date: Tue Jun 23 17:50:35 2009
New Revision: 194745
URL: http://svn.freebsd.org/changeset/base/194745
Log:
vblank[crtc].last represents the hardware counter while request.sequence
represents the software counter. Don't currupt things here.
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 Tue Jun 23 17:44:55 2009 (r194744)
+++ head/sys/dev/drm/drm_irq.c Tue Jun 23 17:50:35 2009 (r194745)
@@ -463,7 +463,6 @@ int drm_wait_vblank(struct drm_device *d
} else {
DRM_DEBUG("waiting on vblank count %d, crtc %d\n",
vblwait->request.sequence, crtc);
- dev->vblank[crtc].last = vblwait->request.sequence;
for ( ret = 0 ; !ret && !(((drm_vblank_count(dev, crtc) -
vblwait->request.sequence) <= (1 << 23)) ||
!dev->irq_enabled) ; ) {
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