DisplayPort Intel® FPGA IP User Guide

ID 683273
Date 10/20/2022
Public

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9.35. btc_dptx_link_training

Prototype:

int btc_dptx_link_training( 
   BYTE tx_idx,
   unsigned int link_rate,
   unsigned int lane_count)

Thread-safe:

No

Available from ISR:

Yes

Include:

< btc_dptx_syslib.h >

Return:

0 = success, 1 = fail

Parameters:

  • tx_idx—Source instance index (0 - 3)
  • link_rate—Link rate: 0x06 = 1.62 Gbps; 0x0A = 2.70 Gbps; 0x14 = 5.40 Gbps
  • lane_count—1, 2, or 4

Description:

This function performs link training with the connected DisplayPort sink.

Example:

btc_dptx_link_training(0, 0x06, 4);