Merge tag 'topic/atomic-core-2015-01-05' of git://anongit.freedesktop.org/drm-intel...

[android-x86/kernel.git] / drivers / gpu / drm / drm_crtc.c

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 2059642..7e4acad 100644 (file)
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -2780,6 +2780,12 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
                        goto out;
                }
 
+               mode->status = drm_mode_validate_basic(mode);
+               if (mode->status != MODE_OK) {
+                       ret = -EINVAL;
+                       goto out;
+               }
+
                drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
 
                ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y,