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

Liu Ying Ying.Liu at freescale.com
Sun Feb 22 19:09:51 PST 2015


Signed-off-by: Liu Ying <Ying.Liu at freescale.com>
---
 drivers/gpu/drm/imx/parallel-display.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index 5e83e00..900dda6 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;
 
-- 
2.1.0



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