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drm: 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.

Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
=?utf-8?q?Michel_D=C3=A4nzer?= 2006-10-24 23:34:58 +10:00 committed by airlied
parent ab285d74e6
commit 049b323321
1 changed files with 3 additions and 2 deletions
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5
drivers/char/drm/drm_irq.c
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@ -296,8 +296,6 @@ 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
@ -310,6 +308,7 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
&& vbl_sig->task == current) {
spin_unlock_irqrestore(&dev->vbl_lock,
irqflags);
vblwait.reply.sequence = seq;
goto done;
}
}
@ -340,6 +339,8 @@ 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)