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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2016-12-01 13:07:49 +0200
committerLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2017-04-04 17:04:17 +0300
commit4739a0d40b668ed4d60e048ee8ff03cd863e0987 (patch)
tree1c65245073cd4c5e88054204fb43e0db3d4e14d4 /drivers/gpu/drm/rcar-du/rcar_du_kms.c
parent40d0fa7095d06c73c33da4fa7e381350141682f5 (diff)
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>
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_kms.c')
-rw-r--r--drivers/gpu/drm/rcar-du/rcar_du_kms.c7
1 files changed, 7 insertions, 0 deletions
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) {