+
+/* For DDI connections, it is possible to support different outputs over the
+ * same DDI port, such as HDMI or DP or even VGA via FDI. So we don't know by
+ * the time the output is detected what exactly is on the other end of it. This
+ * function aims at providing support for this detection and proper output
+ * configuration.
+ */
+void intel_ddi_init(struct drm_device *dev, enum port port)
+{
+ /* For now, we don't do any proper output detection and assume that we
+ * handle HDMI only */
+
+ switch(port){
+ case PORT_A:
+ /* We don't handle eDP and DP yet */
+ DRM_DEBUG_DRIVER("Found digital output on DDI port A\n");
+ break;
+ /* Assume that the ports B, C and D are working in HDMI mode for now */
+ case PORT_B:
+ case PORT_C:
+ case PORT_D:
+ intel_hdmi_init(dev, DDI_BUF_CTL(port));
+ break;
+ default:
+ DRM_DEBUG_DRIVER("No handlers defined for port %d, skipping DDI initialization\n",
+ port);
+ break;
+ }
+}