[PATCH] drm/tilcdc: Defer probe if no encoders/connectors found

[Markus Pargmann]

At the moment this driver fails to load if no encoders/connectors were
found. In case other drivers that register encoders/connectors
(tilcdc_panel) are defered it would be better to check for
encoders/connectors later again. This patch replaces the returncode
-ENXIO with -EPROBE_DEFER to get a working setup even if tilcdc_panel
probes after tilcdc.

Signed-off-by: Markus Pargmann <mpa at pengutronix.de>
---
 drivers/gpu/drm/tilcdc/tilcdc_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c 
b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index 116da19..217303c 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -84,7 +84,7 @@ static int modeset_init(struct drm_device *dev)
        if ((priv->num_encoders == 0) || (priv->num_connectors == 0)) {
                /* oh nos! */
                dev_err(dev->dev, "no encoders/connectors found\n");
-               return -ENXIO;
+               return -EPROBE_DEFER;
        }

        dev->mode_config.min_width = 0;
-- 
1.8.5.1