AR# 71935

HDMI RX Subsystem v3.1 - Info frame packets corrupted when switching resolutions

Description

When switching resolutions, some info frames are returned from the core corrupted.

Solution

This is a known issue in HDMI v3.1 in Vivado 2018.1, 2018.2 and 2018.3.

This issue has only been observed using a QD980 source when switching between resolutions. 

When the issue occurs, the HDMI core believes that it is being sent 3D data and returns video from the subsystem incorrectly.

The patches below can be used to fix the issue by updating the core to filter out any incomplete packets or packets with ECC errors.

  • Vivado 2018.1 - Users can download the HDMI Receiver Subsystem patch from (Xilinx Answer 71203) to work around this issue.
  • Vivado 2018.2 - Users can download the HDMI Receiver Subsystem patch from (Xilinx Answer 71204) to work around this issue.
  • Vivado 2018.3 - Users can download the HDMI Receiver Subsystem patch from (Xilinx Answer 71920) to work around this issue.

Linked Answer Records

Master Answer Records

AR# 71935
Date 01/28/2019
Status Active
Type General Article
IP