diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-08 22:34:53 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-08 22:34:53 -0700 |
| commit | 38a4671cad3f0d277cf48445b49e42a475ebfb6a (patch) | |
| tree | 7348f3dd5f4e1bec39758dcff748a9dcbbf3430c /drivers/gpu/drm/drm_irq.c | |
| parent | d652f7022b359afd5d34fc9fffd71df118521ead (diff) | |
| parent | 317ddd256b9c24b0d78fa8018f80f1e495481a10 (diff) | |
Merge 3.10-rc5 into char-misc-next
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index a6a8643a6a77..8bcce7866d36 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -1054,7 +1054,7 @@ EXPORT_SYMBOL(drm_vblank_off); */ void drm_vblank_pre_modeset(struct drm_device *dev, int crtc) { - /* vblank is not initialized (IRQ not installed ?) */ + /* vblank is not initialized (IRQ not installed ?), or has been freed */ if (!dev->num_crtcs) return; /* @@ -1076,6 +1076,10 @@ void drm_vblank_post_modeset(struct drm_device *dev, int crtc) { unsigned long irqflags; + /* vblank is not initialized (IRQ not installed ?), or has been freed */ + if (!dev->num_crtcs) + return; + if (dev->vblank_inmodeset[crtc]) { spin_lock_irqsave(&dev->vbl_lock, irqflags); dev->vblank_disable_allowed = 1; |