diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 19c01ca3cc76aaa2f5fe7cae45f8759104f74190..71f82056563745cf1fd79c662599dccbb81b39d8 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -1218,8 +1218,9 @@ int drm_wait_vblank(struct drm_device *dev, void *data, int ret; unsigned int flags, seq, crtc, high_crtc; - if ((!drm_dev_to_irq(dev)) || (!dev->irq_enabled)) - return -EINVAL; + if (drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) + if ((!drm_dev_to_irq(dev)) || (!dev->irq_enabled)) + return -EINVAL; if (vblwait->request.type & _DRM_VBLANK_SIGNAL) return -EINVAL;