DRM: i.MX: parallel display: Support probe deferral for finding DRM panel
authorLiu Ying <Ying.Liu@freescale.com>
Mon, 23 Feb 2015 03:09:51 +0000 (11:09 +0800)
committerPhilipp Zabel <p.zabel@pengutronix.de>
Mon, 23 Feb 2015 16:19:25 +0000 (17:19 +0100)
Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
drivers/gpu/drm/imx/parallel-display.c

index 5e83e00..900dda6 100644 (file)
@@ -236,8 +236,11 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data)
        }
 
        panel_node = of_parse_phandle(np, "fsl,panel", 0);
-       if (panel_node)
+       if (panel_node) {
                imxpd->panel = of_drm_find_panel(panel_node);
+               if (!imxpd->panel)
+                       return -EPROBE_DEFER;
+       }
 
        imxpd->dev = dev;