Hi,
Yesterday I upgraded my Nvidia driver from 510.73.05 to 515.48.07 and the display port (1.4) stopped working (HDMI 2.0 still works). Rolling back to the previous version made it work again.
My specs:
- GPU: GTX 970 OC 4Gb (MSI)
- O.S: ArchLinux
- Kernel: 5.17.9