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Core vsync: Don't clobber target sequence number when scheduling signal. 

It looks like this would have caused signals to always get sent on the next
vertical blank, regardless of the sequence number.
main
Michel Dänzer 2006-09-01 11:35:31 +02:00
parent 89e323e490
commit cf6b2c5299
1 changed files with 3 additions and 2 deletions
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5
linux-core/drm_irq.c
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@ -295,8 +295,6 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
? &dev->vbl_sigs2 : &dev->vbl_sigs;
drm_vbl_sig_t *vbl_sig;
vblwait.reply.sequence = seq;
spin_lock_irqsave(&dev->vbl_lock, irqflags);
/* Check if this task has already scheduled the same signal
@ -309,6 +307,7 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
&& vbl_sig->task == current) {
spin_unlock_irqrestore(&dev->vbl_lock,
irqflags);
vblwait.reply.sequence = seq;
goto done;
}
}
@ -339,6 +338,8 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
list_add_tail((struct list_head *)vbl_sig, &vbl_sigs->head);
spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
vblwait.reply.sequence = seq;
} else {
if (flags & _DRM_VBLANK_SECONDARY) {
if (dev->driver->vblank_wait2)