This is a known issue that is fixed in the DisplayPort v5.0 (Rev. 1) in Vivado 2014.4 and later.
You can work around this issue by dividing the value by 2.
| Answer Number | Answer Title | Version Found | Version Resolved |
|---|---|---|---|
| 54522 | LogiCORE IP DisplayPort - Release Notes and Known Issues for Vivado 2013.1 and newer tool versions | N/A | N/A |
| AR# 62582 | |
|---|---|
| Date | 10/23/2014 |
| Status | Archive |
| Type | General Article |
| Tools |
|
| IP |
|