diff options
| author | Dave Airlie <airlied@redhat.com> | 2011-05-16 10:45:40 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-05-16 10:45:40 +1000 |
| commit | 69f7876b2ab61e8114675d6092ad0b482e233612 (patch) | |
| tree | a55aefd08d6c5f617d277a99e11b5a707e162585 /drivers/gpu/drm/drm_irq.c | |
| parent | 0eacdba3a186e5d5b8a8bb421caacddc135e67e3 (diff) | |
| parent | 645c62a5e95a5f9a8e0d0627446bbda4ee042024 (diff) | |
Merge remote branch 'keithp/drm-intel-next' of /ssd/git/drm-next into drm-core-next
* 'keithp/drm-intel-next' of /ssd/git/drm-next: (301 commits)
drm/i915: split PCH clock gating init
drm/i915: add Ivybridge clock gating init function
drm/i915: Update the location of the ringbuffers' HWS_PGA registers for IVB.
drm/i915: Add support for fence registers on Ivybridge.
drm/i915: Use existing function instead of open-coding fence reg clear.
drm/i915: split clock gating init into per-chipset functions
drm/i915: set IBX pch type explicitly
drm/i915: add Ivy Bridge PCI IDs and driver feature structs
drm/i915: add PantherPoint PCH ID
agp/intel: add Ivy Bridge support
drm/i915: ring support for Ivy Bridge
drm/i915: page flip support for Ivy Bridge
drm/i915: interrupt & vblank support for Ivy Bridge
drm/i915: treat Ivy Bridge watermarks like Sandy Bridge
drm/i915: manual FDI training for Ivy Bridge
drm/i915: add swizzle/tiling support for Ivy Bridge
drm/i915: Ivy Bridge has split display and pipe control
drm/i915: add IS_IVYBRIDGE macro for checks
drm/i915: add IS_GEN7 macro to cover Ivy Bridge and later
drm/i915: split enable/disable vblank code into chipset specific functions
...
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 62ced7554ba4..2022a5c966bb 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -933,11 +933,34 @@ EXPORT_SYMBOL(drm_vblank_put); void drm_vblank_off(struct drm_device *dev, int crtc) { + struct drm_pending_vblank_event *e, *t; + struct timeval now; unsigned long irqflags; + unsigned int seq; spin_lock_irqsave(&dev->vbl_lock, irqflags); vblank_disable_and_save(dev, crtc); DRM_WAKEUP(&dev->vbl_queue[crtc]); + + /* Send any queued vblank events, lest the natives grow disquiet */ + seq = drm_vblank_count_and_time(dev, crtc, &now); + list_for_each_entry_safe(e, t, &dev->vblank_event_list, base.link) { + if (e->pipe != crtc) + continue; + DRM_DEBUG("Sending premature vblank event on disable: \ + wanted %d, current %d\n", + e->event.sequence, seq); + + e->event.sequence = seq; + e->event.tv_sec = now.tv_sec; + e->event.tv_usec = now.tv_usec; + drm_vblank_put(dev, e->pipe); + list_move_tail(&e->base.link, &e->base.file_priv->event_list); + wake_up_interruptible(&e->base.file_priv->event_wait); + trace_drm_vblank_event_delivered(e->base.pid, e->pipe, + e->event.sequence); + } + spin_unlock_irqrestore(&dev->vbl_lock, irqflags); } EXPORT_SYMBOL(drm_vblank_off); |