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-rw-r--r--drivers/gpu/drm/drm_connector.c39
-rw-r--r--include/drm/drm_connector.h5
2 files changed, 44 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
index 4d2df7f64dc5..8c471bdfbfff 100644
--- a/drivers/gpu/drm/drm_connector.c
+++ b/drivers/gpu/drm/drm_connector.c
@@ -453,6 +453,45 @@ int drmm_connector_init(struct drm_device *dev,
EXPORT_SYMBOL(drmm_connector_init);
/**
+ * drmm_connector_hdmi_init - Init a preallocated HDMI connector
+ * @dev: DRM device
+ * @connector: A pointer to the HDMI connector to init
+ * @funcs: callbacks for this connector
+ * @connector_type: user visible type of the connector
+ * @ddc: optional pointer to the associated ddc adapter
+ *
+ * Initialises a preallocated HDMI connector. Connectors can be
+ * subclassed as part of driver connector objects.
+ *
+ * Cleanup is automatically handled with a call to
+ * drm_connector_cleanup() in a DRM-managed action.
+ *
+ * The connector structure should be allocated with drmm_kzalloc().
+ *
+ * Returns:
+ * Zero on success, error code on failure.
+ */
+int drmm_connector_hdmi_init(struct drm_device *dev,
+ struct drm_connector *connector,
+ const struct drm_connector_funcs *funcs,
+ int connector_type,
+ struct i2c_adapter *ddc)
+{
+ int ret;
+
+ if (!(connector_type == DRM_MODE_CONNECTOR_HDMIA ||
+ connector_type == DRM_MODE_CONNECTOR_HDMIB))
+ return -EINVAL;
+
+ ret = drmm_connector_init(dev, connector, funcs, connector_type, ddc);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+EXPORT_SYMBOL(drmm_connector_hdmi_init);
+
+/**
* drm_connector_attach_edid_property - attach edid property.
* @connector: the connector
*
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 58ee9adf9091..7ef1ff83d885 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -1908,6 +1908,11 @@ int drmm_connector_init(struct drm_device *dev,
const struct drm_connector_funcs *funcs,
int connector_type,
struct i2c_adapter *ddc);
+int drmm_connector_hdmi_init(struct drm_device *dev,
+ struct drm_connector *connector,
+ const struct drm_connector_funcs *funcs,
+ int connector_type,
+ struct i2c_adapter *ddc);
void drm_connector_attach_edid_property(struct drm_connector *connector);
int drm_connector_register(struct drm_connector *connector);
void drm_connector_unregister(struct drm_connector *connector);