AR# 68212

LogiCORE IP Video Processing Subsystem (VPSS), Software Driver v2.1 - Why is the TVALID deasserted and there no output when using the VPSS in full-fledged mode, when input is set as RGB selected and the output is set as YCbCr 4:2:2 or 4:2:0?

Description

The TVALID is deasserted and there is no output when using the VPSS in full-fledged mode, when the input is set as RGB selected and the output is set as YCbCr 4:2:2 or 4:2:0.

Why is this the case?

Solution

This is a known issue in the Horizontal Scaler sub-driver of the Video Processing Subsystem Software Driver v2.1 in Vivado 2016.3.

This issue is resolved in the Video Processing Subsystem Software Driver in Vivado 2016.4 and later.

  • Vivado 2016.3 - Users can download the Video Processing Subsystem Software Driver Patch from (Xilinx Answer 68199) to work around this issue.

Linked Answer Records

Master Answer Records

AR# 68212
Date 04/26/2018
Status Archive
Type General Article
IP