drm: rcar-du: Print the error value when DRM/KMS init fails

This helps debugging probe failures.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index da1216a73969ef62f062486734d5946082ee093f..780ca11512ba6cf138c593327186cdd7ab751777 100644 (file)
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -190,7 +190,7 @@ static int rcar_du_load(struct drm_device *dev, unsigned long flags)
        /* DRM/KMS objects */
        ret = rcar_du_modeset_init(rcdu);
        if (ret < 0) {
-               dev_err(&pdev->dev, "failed to initialize DRM/KMS\n");
+               dev_err(&pdev->dev, "failed to initialize DRM/KMS (%d)\n", ret);
                goto done;
        }