1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 239342f554b4..fe94cc10cd35 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -2178,6 +2178,13 @@ int drm_mode_setplane(struct drm_device *dev, void *data,
                 goto out;
         }
 
+        /* Check whether this plane is usable on this CRTC */
+        if (!(plane->possible_crtcs & drm_crtc_mask(crtc))) {
+                DRM_DEBUG_KMS("Invalid crtc for plane\n");
+                ret = -EINVAL;
+                goto out;
+        }
+
         fb = drm_framebuffer_lookup(dev, plane_req->fb_id);
         if (!fb) {
                 DRM_DEBUG_KMS("Unknown framebuffer ID %d\n",