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| author |   Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2016-12-01 13:07:49 +0200 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2017-04-04 17:04:17 +0300 |
| commit | 4739a0d40b668ed4d60e048ee8ff03cd863e0987 (patch) | |
| tree | 1c65245073cd4c5e88054204fb43e0db3d4e14d4 /drivers/gpu/drm/rcar-du | |
| parent | drm: rcar-du: Add Gen3 HDMI encoder support (diff) | |
| download | linux-dev-4739a0d40b668ed4d60e048ee8ff03cd863e0987.tar.xz linux-dev-4739a0d40b668ed4d60e048ee8ff03cd863e0987.zip | |
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')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_kms.c | 7 |
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) { |