drm: rcar-du: Skip disabled outputs

When a DT node connected to a DU output is disabled no bridge will ever
be instantiated for it. Skip the output in that case.

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

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index f38fc2f..f4125c8 100644 (file)
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -302,6 +302,13 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu,
                return -ENODEV;
        }
 
+       if (!of_device_is_available(entity)) {
+               dev_dbg(rcdu->dev,
+                       "connected entity %s is disabled, skipping\n",
+                       entity->full_name);
+               return -ENODEV;
+       }
+
        entity_ep_node = of_parse_phandle(ep->local_node, "remote-endpoint", 0);
 
        for_each_endpoint_of_node(entity, ep_node) {