[PATCH] drm: rcar-du: EPROBE_DEFER case doesn't need error message

[Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>]

From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

EPROBE_DEFER is not error, thus, error message on kernel log on this
case is confusable for user. Prints it only error cases.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
 drivers/gpu/drm/rcar-du/rcar_du_drv.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index 26fd3ba..1db080c 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -354,14 +354,16 @@ static int rcar_du_probe(struct platform_device *pdev)
 	 */
 	ret = drm_vblank_init(ddev, (1 << rcdu->info->num_crtcs) - 1);
 	if (ret < 0) {
-		dev_err(&pdev->dev, "failed to initialize vblank\n");
+		if (ret != -EPROBE_DEFER)
+			dev_err(&pdev->dev, "failed to initialize vblank\n");
 		goto error;
 	}
 
 	/* DRM/KMS objects */
 	ret = rcar_du_modeset_init(rcdu);
 	if (ret < 0) {
-		dev_err(&pdev->dev, "failed to initialize DRM/KMS (%d)\n", ret);
+		if (ret != -EPROBE_DEFER)
+			dev_err(&pdev->dev, "failed to initialize DRM/KMS (%d)\n", ret);
 		goto error;
 	}
 
-- 
1.9.1