From: Liu Ying <Ying.Liu@freescale.com>
Date: Mon, 23 Feb 2015 03:09:51 +0000 (+0800)
Subject: DRM: i.MX: parallel display: Support probe deferral for finding DRM panel
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d70e96ae05928643a7b10b8a519dc27afe4750d0;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

DRM: i.MX: parallel display: Support probe deferral for finding DRM panel

Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
---

diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index 5e83e007080f..900dda6a8e71 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -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;