DP AUX Channel 1.1
For AUX Channel, its speed is 1Mbps in DisplayPort 1. 1 but up to 720Mbps in DisplayPort 1. 2, so it also is called the Quick Auxiliary Mode. In DisplayPort 1. 1, this channelÃƒ¢€š¬™s main task is to find, and then establish and maintain the DisplayPort connection.
In DisplayPort 1. 2, it is to establish a reliable high-speed data connection between display application and device; it can be used to find and configure many data streams and topology construction, and to control various display devices