OMAPDSS: init omap_dss_devices internally

Now that each output driver creates their own display devices, the
output drivers can also initialize those devices.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index 35eb297..de3454b 100644
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -339,7 +339,7 @@
 }
 EXPORT_SYMBOL(dpi_check_timings);
 
-int dpi_init_display(struct omap_dss_device *dssdev)
+static int __init dpi_init_display(struct omap_dss_device *dssdev)
 {
 	DSSDBG("init_display\n");
 
@@ -376,6 +376,12 @@
 		if (dssdev->type != OMAP_DISPLAY_TYPE_DPI)
 			continue;
 
+		r = dpi_init_display(dssdev);
+		if (r) {
+			DSSERR("device %s init failed: %d\n", dssdev->name, r);
+			continue;
+		}
+
 		r = omap_dss_register_device(dssdev, &pdev->dev, i);
 		if (r)
 			DSSERR("device %s register failed: %d\n",