return ret;
}
- ret = rockchip_dp_pre_init(dp);
- if (ret < 0) {
- dev_err(dp->dev, "failed to pre init %d\n", ret);
- return ret;
- }
-
return 0;
}
{
struct rockchip_dp_device *dp = dev_get_drvdata(dev);
const struct rockchip_dp_chip_data *dp_data;
+ struct device_node *panel_node, *port, *endpoint;
+ struct drm_panel *panel = NULL;
struct drm_device *drm_dev = data;
int ret;
+ port = of_graph_get_port_by_id(dev->of_node, 1);
+ if (port) {
+ endpoint = of_get_child_by_name(port, "endpoint");
+ of_node_put(port);
+ if (!endpoint) {
+ dev_err(dev, "no output endpoint found\n");
+ return -EINVAL;
+ }
+
+ panel_node = of_graph_get_remote_port_parent(endpoint);
+ of_node_put(endpoint);
+ if (!panel_node) {
+ dev_err(dev, "no output node found\n");
+ return -EINVAL;
+ }
+
+ panel = of_drm_find_panel(panel_node);
+ if (!panel) {
+ DRM_ERROR("failed to find panel\n");
+ of_node_put(panel_node);
+ return -EPROBE_DEFER;
+ }
+ of_node_put(panel_node);
+ }
+
+ dp->plat_data.panel = panel;
/*
* Just like the probe function said, we don't need the
* device drvrate anymore, we should leave the charge to
static int rockchip_dp_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct device_node *panel_node, *port, *endpoint;
- struct drm_panel *panel = NULL;
struct rockchip_dp_device *dp;
- port = of_graph_get_port_by_id(dev->of_node, 1);
- if (port) {
- endpoint = of_get_child_by_name(port, "endpoint");
- of_node_put(port);
- if (!endpoint) {
- dev_err(dev, "no output endpoint found\n");
- return -EINVAL;
- }
-
- panel_node = of_graph_get_remote_port_parent(endpoint);
- of_node_put(endpoint);
- if (!panel_node) {
- dev_err(dev, "no output node found\n");
- return -EINVAL;
- }
-
- panel = of_drm_find_panel(panel_node);
- if (!panel) {
- DRM_ERROR("failed to find panel\n");
- of_node_put(panel_node);
- return -EPROBE_DEFER;
- }
- of_node_put(panel_node);
- }
-
dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL);
if (!dp)
return -ENOMEM;
dp->dev = dev;
- dp->plat_data.panel = panel;
-
/*
* We just use the drvdata until driver run into component
* add function, and then we would set drvdata to null, so