diff options
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 8dbcc3f892d5..af33df1adc6d 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -1126,9 +1126,12 @@ void drm_vblank_on(struct drm_device *dev, int crtc) vblank->last = (dev->driver->get_vblank_counter(dev, crtc) - 1) & dev->max_vblank_count; - - /* re-enable interrupts if there's are users left */ - if (atomic_read(&vblank->refcount) != 0) + /* + * re-enable interrupts if there are users left, or the + * user wishes vblank interrupts to be enabled all the time. + */ + if (atomic_read(&vblank->refcount) != 0 || + (!dev->vblank_disable_immediate && drm_vblank_offdelay == 0)) WARN_ON(drm_vblank_enable(dev, crtc)); spin_unlock_irqrestore(&dev->vbl_lock, irqflags); } |