Why does the TREADY stall when using the TEST_PATTERN or BYPASS options available in some of the Video IP when the "Include Debug Features" option is enabled at generation?
There are two known issues that can affect both the ISE Design Suite and Vivado tool versions of the Video IP.
These issues will not be fixed in the ISE Design Suite versions of the Video IP.
This has been resolved in Vivado 2014.1 and later versions for the IP listed below:
The second problem can sometimes be worked around by turning on the BYPASS option (CONTROL = 0x00000013) before turning on the TEST_PATTERN (CONTROL = 0x00000023).
This problem affects the Video IP Listed below: