This standard describes the use of the DisplayPort protocol between devices that support the USB Type-C connector using USB Type-C to USB Type-C Cable Assemblies. It describes cable assemblies that adapt the USB Type-C connector to Legacy DisplayPort connectors. It describes cable assemblies and adapters to adapt DisplayPort on USB Type-C to other video protocols. It describes the simultaneous use of USB Enhanced SuperSpeed and the DisplayPort protocol on the USB Type-C connector for docking applications. This standard describes the USB Type-C connector pin assignments and DisplayPort signaling rates to be used in various scenarios when using the above cable assemblies and adapters. It describes how the USB-PD Alternate Mode Discovery and Entry Processes are applied to DisplayPort on the USB Type-C connector.

本文档为DP官方1.4版协议标准，内容详尽。DP的资料相当难得，很难搜索到这么详尽的官方协议资料。 The DisplayPort standard specifies an open digital communications interface for use in both internal connections, such as interfaces within a PC or monitor, and external display connections. Suitable external display connections include interfaces between a PC and monitor or projector, between a PC and TV, or between a device such as a DVD player and TV display.

包括以下标准 Display Port Standard V1.1、Display Port Standard V1.2、Display Port Standard V1.2a、Display Port Standard V1.4；

DP1.4标准--VESA Proposed DisplayPort (DP) Standard

在网上找到过不少的profibus资料，把其中的DP部分抽取出来了，免得做DP协议的花了一大堆时间去看FMS的资料到头来发现看错了。