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@xxxxxxxxxxxxxxxx>
---
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) {
--
Regards,
Laurent Pinchart
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