1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c
index 2d98ff92f3ba..d568aa4b10d1 100644
--- a/drivers/gpu/drm/udl/udl_connector.c
+++ b/drivers/gpu/drm/udl/udl_connector.c
@@ -66,6 +66,13 @@ static int udl_get_modes(struct drm_connector *connector)
 static int udl_mode_valid(struct drm_connector *connector,
                           struct drm_display_mode *mode)
 {
+        struct udl_device *udl = connector->dev->dev_private;
+        if (!udl->sku_pixel_limit)
+                return 0;
+
+        if (mode->vdisplay * mode->hdisplay > udl->sku_pixel_limit)
+                return MODE_VIRTUAL_Y;
+
         return 0;
 }