diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/thc63lvd1024.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/thc63lvd1024.c | 38 |
1 files changed, 11 insertions, 27 deletions
diff --git a/drivers/gpu/drm/bridge/thc63lvd1024.c b/drivers/gpu/drm/bridge/thc63lvd1024.c index e21078b2f8b5..2cb7cd0c0608 100644 --- a/drivers/gpu/drm/bridge/thc63lvd1024.c +++ b/drivers/gpu/drm/bridge/thc63lvd1024.c @@ -43,11 +43,12 @@ static inline struct thc63_dev *to_thc63(struct drm_bridge *bridge) } static int thc63_attach(struct drm_bridge *bridge, + struct drm_encoder *encoder, enum drm_bridge_attach_flags flags) { struct thc63_dev *thc63 = to_thc63(bridge); - return drm_bridge_attach(bridge->encoder, thc63->next, bridge, flags); + return drm_bridge_attach(encoder, thc63->next, bridge, flags); } static enum drm_mode_status thc63_mode_valid(struct drm_bridge *bridge, @@ -123,29 +124,14 @@ static int thc63_parse_dt(struct thc63_dev *thc63) struct device_node *endpoint; struct device_node *remote; - endpoint = of_graph_get_endpoint_by_regs(thc63->dev->of_node, - THC63_RGB_OUT0, -1); - if (!endpoint) { - dev_err(thc63->dev, "Missing endpoint in port@%u\n", - THC63_RGB_OUT0); - return -ENODEV; - } - - remote = of_graph_get_remote_port_parent(endpoint); - of_node_put(endpoint); + remote = of_graph_get_remote_node(thc63->dev->of_node, + THC63_RGB_OUT0, -1); if (!remote) { - dev_err(thc63->dev, "Endpoint in port@%u unconnected\n", + dev_err(thc63->dev, "No remote endpoint for port@%u\n", THC63_RGB_OUT0); return -ENODEV; } - if (!of_device_is_available(remote)) { - dev_err(thc63->dev, "port@%u remote endpoint is disabled\n", - THC63_RGB_OUT0); - of_node_put(remote); - return -ENODEV; - } - thc63->next = of_drm_find_bridge(remote); of_node_put(remote); if (!thc63->next) @@ -195,9 +181,10 @@ static int thc63_probe(struct platform_device *pdev) struct thc63_dev *thc63; int ret; - thc63 = devm_kzalloc(&pdev->dev, sizeof(*thc63), GFP_KERNEL); - if (!thc63) - return -ENOMEM; + thc63 = devm_drm_bridge_alloc(&pdev->dev, struct thc63_dev, bridge, + &thc63_bridge_func); + if (IS_ERR(thc63)) + return PTR_ERR(thc63); thc63->dev = &pdev->dev; platform_set_drvdata(pdev, thc63); @@ -222,7 +209,6 @@ static int thc63_probe(struct platform_device *pdev) thc63->bridge.driver_private = thc63; thc63->bridge.of_node = pdev->dev.of_node; - thc63->bridge.funcs = &thc63_bridge_func; thc63->bridge.timings = &thc63->timings; drm_bridge_add(&thc63->bridge); @@ -230,13 +216,11 @@ static int thc63_probe(struct platform_device *pdev) return 0; } -static int thc63_remove(struct platform_device *pdev) +static void thc63_remove(struct platform_device *pdev) { struct thc63_dev *thc63 = platform_get_drvdata(pdev); drm_bridge_remove(&thc63->bridge); - - return 0; } static const struct of_device_id thc63_match[] = { @@ -247,7 +231,7 @@ MODULE_DEVICE_TABLE(of, thc63_match); static struct platform_driver thc63_driver = { .probe = thc63_probe, - .remove = thc63_remove, + .remove = thc63_remove, .driver = { .name = "thc63lvd1024", .of_match_table = thc63_match, |