diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h
index 6c6d888416a75ecd8b8fa0409ba2f133913fb1c5..6aa4c377492d93430ee74abdac1c0c841fb64ac9 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -563,6 +563,8 @@ struct omap_dss_driver {
 			    struct videomode *vm);
 	void (*get_timings)(struct omap_dss_device *dssdev,
 			    struct videomode *vm);
+	void (*get_size)(struct omap_dss_device *dssdev,
+			 unsigned int *width, unsigned int *height);
 
 	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
 	u32 (*get_wss)(struct omap_dss_device *dssdev);
diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c
index aa5ba9ae2191c15518ee1aa326165793653912e1..188124adc8a852a6ee91ccd19fc0674c8ae528a5 100644
--- a/drivers/gpu/drm/omapdrm/omap_connector.c
+++ b/drivers/gpu/drm/omapdrm/omap_connector.c
@@ -149,6 +149,12 @@ static int omap_connector_get_modes(struct drm_connector *connector)
 		drm_mode_set_name(mode);
 		drm_mode_probed_add(connector, mode);
 
+		if (dssdrv->get_size) {
+			dssdrv->get_size(dssdev,
+					 &connector->display_info.width_mm,
+					 &connector->display_info.height_mm);
+		}
+
 		n = 1;
 	}