Article ID: 000078529 Content Type: Troubleshooting Last Reviewed: 07/04/2016

Altera DisplayPort Auxiliary Protocol Not Compliant to DisplayPort Specifications

Environment

    Intel® Quartus® Prime Pro Edition
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Critical Issue

Description

The DPTX and DPRX AUX channels may fail to receive correct replies for DPTX or requests for DPRX. This issue occurs when you generate the connected device AUX channel data with a period shorter than 472 µs or larger than 529 µs. The DisplayPort specifications allow for a period within the range of 400 µs to 600 µs.

Resolution

There is no workaround for this issue.

This issue is fixed in version 15.1 of the DisplayPort IP core.

Related Products

This article applies to 1 products

Intel® Programmable Devices

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