Why Does HDMI RX Fail to Lock to Progressive Video With Unaligned Vsync And Hsync? - Why Does HDMI RX Fail to Lock to Progressive Video With Unaligned Vsync And Hsync? Description 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. Resolution There is no work around for this issue. This issue is fixed in 17.1 and 17.1std version of the HDMI IP core. Custom Fields values: ['novalue'] Troubleshooting FB: 484842; True ['HDMI IP'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 17.1 16.0 ['Arria® V FPGAs and SoCs', 'Arria® 10 FPGAs and SoCs', 'Stratix® V FPGAs'] ['novalue'] ['novalue'] ['novalue']