If your outputs go to 0, check your licensing.
- User LEDs
- LED0 - HDMI 1.4/2.0 RX Subsystem
lock (when the HDMI Example Design is used)
- See the Debugging
Appendix in the
Video PHY Controller LogiCORE IP Product Guide
HDMI GT Controller LogiCORE IP Product Guide
, and ensure there is
no problem with clocking.
Important: Not all HDMI
sources are fully compliant. Often, a source can send unexpected video or
auxiliary packets. Therefore, if you observe issues with a particular
source, test the same design on other sources to ensure there are no
problems with the video information sent from the HDMI source.