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path: root/drivers/gpu/drm/drm_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r--drivers/gpu/drm/drm_crtc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 4f35be732b83..452591b67996 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -3508,6 +3508,9 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
page_flip->reserved != 0)
return -EINVAL;
+ if ((page_flip->flags & DRM_MODE_PAGE_FLIP_ASYNC) && !dev->mode_config.async_page_flip)
+ return -EINVAL;
+
obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC);
if (!obj)
return -EINVAL;