If the HDMI RX IP core is attached to an external HDMI source that sends progressive video with unaligned Vsync and Hsync, there will be no video output.
Device Family: Intel® Arria® 10, Arria® V, Stratix® V
Type: Answers, Errata
Area: Intellectual Property
Version Found: v16.0
Version Fixed: v17.1
Bug ID: FB: 484842;
IP: HDMI
Why Does HDMI RX Fail to Lock to Progressive Video With Unaligned Vsync And Hsync?
Description
Workaround/Fix
There is no work around for this issue.
This issue is fixed in 17.1 and 17.1std version of the HDMI IP core.