From 4739a0d40b668ed4d60e048ee8ff03cd863e0987 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Thu, 1 Dec 2016 13:07:49 +0200 Subject: [PATCH] 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 --- drivers/gpu/drm/rcar-du/rcar_du_kms.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index f38fc2f3f93d..f4125c8ca902 100644 --- 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) { -- 2.30.2