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Merge tag 'v4.8' into patchwork
[cascardo/linux.git]
/
drivers
/
gpu
/
drm
/
drm_crtc.c
diff --git
a/drivers/gpu/drm/drm_crtc.c
b/drivers/gpu/drm/drm_crtc.c
index
b1dbb60
..
ddebe54
100644
(file)
--- a/
drivers/gpu/drm/drm_crtc.c
+++ b/
drivers/gpu/drm/drm_crtc.c
@@
-5404,6
+5404,9
@@
int drm_mode_page_flip_ioctl(struct drm_device *dev,
struct drm_pending_vblank_event *e = NULL;
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;