diff options
-rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index dc84003f694e..5e4bb4837bae 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -5231,6 +5231,9 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev, unsigned long flags; int ret = -EINVAL; + if (!drm_core_check_feature(dev, DRIVER_MODESET)) + return -EINVAL; + if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || page_flip->reserved != 0) return -EINVAL; |