diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-18 03:57:20 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-18 03:57:20 +0400 |
| commit | bb07b00be77fb33274cb44a03bdbf2471e556189 (patch) | |
| tree | 620390077de843dd7626998f0d8441d14a6c66d9 /drivers/gpu/drm/drm_irq.c | |
| parent | b7165ebbf0898bad9aaeddfa22b918e94ed90e07 (diff) | |
| parent | 7d132055814ef17a6c7b69f342244c410a5e000f (diff) | |
| download | linux-bb07b00be77fb33274cb44a03bdbf2471e556189.tar.xz | |
Merge 3.10-rc6 into driver-core-next
We want these fixes here too.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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; |