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 --- 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) {