Timing Violation for Arria 10 DisplayPort Design

When you run the DisplayPort design for Arria 10 devices, the design may encounter timing violation on the rx_restart signal. This signal is clocked as rx_std_clkout in the DisplayPort IP core, but connects to the reset pin in the reset controller running on the Avalon Memory-Mapped (Avalon-MM) clock domain.

To work around this issue, add a reset synchronizer for the rx_restart signal at the top level before you connect to the reset controller.

This issue is fixed in version 15.1 Update 1 of the DisplayPort IP core.