DisplayPort Intel® FPGA IP User Guide

ID 683273
Date 4/18/2023
Public

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Document Table of Contents

9.21. btc_dprx_mst_conn_stat_notify_req

Prototype:

int btc_dprx_mst_conn_stat_notify_req ( 
   BYTE rx_idx,
   BYTE dfp_num, 
   BYTE legacy_device_plug_status, 
   BYTE displayport_device_plug_status, 
   BYTE messaging_capability_status, 
   BYTE input_port, 
   BYTE peer_device_type)

Thread-safe:

No

Available from ISR:

No

Include:

< btc_dprx_syslib.h >

Return:

0 = success, 1 = fail

Parameters:

  • rx_idx—RX instance index (0 - 3)
  • dfp_num—Downstream-facing port number (0 - 3)
  • legacy_device_plug_status—Refer to spec 2.11.9.3
  • displayport_device_plug_status—Refer to spec 2.11.9.3
  • messaging_capability_status—Refer to spec 2.11.9.5
  • input_port—Refer to spec 2.11.9.3
  • peer_device_type—Refer to spec 2.11.9.3

Description:

This function issues a CONNECTION_STATUS_NOTIFY UP_REQUEST MST node broadcast sideband message.

Example: btc_dprx_mst_conn_stat_notify_req(0, 8, 0, 1, 1, 1, 3);