diff options
| author |   Dave Airlie <airlied@redhat.com> | 2015-06-04 09:36:39 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-06-04 09:36:39 +1000 |
| commit | 63e1456122761745082d325329ccce749a426059 (patch) | |
| tree | ab23814f68ab4af1a45c7e9631561b2a1b01b430 /drivers/gpu/drm/drm_irq.c | |
| parent | Merge branch 'linux-4.1.0-rc5-tilcdc-refactor' of https://github.com/jsarha/linux into drm-next (diff) | |
| parent | Add MAINTAINERS entry for virtio-gpu. (diff) | |
| download | linux-dev-63e1456122761745082d325329ccce749a426059.tar.xz linux-dev-63e1456122761745082d325329ccce749a426059.zip | |
Merge branch 'virtio-gpu-drm-next' of git://git.kraxel.org/linux into drm-next
Yay, thanks to Gerd for pull this together.
* 'virtio-gpu-drm-next' of git://git.kraxel.org/linux:
Add MAINTAINERS entry for virtio-gpu.
Add virtio gpu driver.
drm_vblank_get: don't WARN_ON in case vblanks are not initialized
break kconfig dependency loop
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 6f02b4b560b8..f9cc68fbd2a3 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -1056,6 +1056,9 @@ int drm_vblank_get(struct drm_device *dev, int crtc) unsigned long irqflags; int ret = 0; + if (!dev->num_crtcs) + return -EINVAL; + if (WARN_ON(crtc >= dev->num_crtcs)) return -EINVAL; |