DisplayPort Intel® FPGA IP User Guide

ID 683273
Date 1/24/2022
Public

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9.49. btc_dptx_mst_down_rep_irq

Prototype:

int btc_dptx_mst_down_rep_irq(BYTE tx_idx)

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)

Description:

This function must be invoked every time the connected DisplayPort sink issues an HPD_IRQ with DOWN_REP_MSG_RDY = 1

Example:

btc_dptx_mst_down_rep_irq(0);