4k@120hz unavailable via HDMI 2.1 (#1417) · Issues · drm / amd · GitLab
gitlab.freedesktop.org
Brief summary of the problem: I have a RX 6800 XT connected to a LG B9 TV via HDMI. As both...

Alex Deucher:

The HDMI Forum has rejected our proposal unfortunately. At this time an open source HDMI 2.1 implementation is not possible without running afoul of the HDMI Forum requirements.

  • nickwitha_k (he/him)
    19•3 months ago

    DisplayPort is open in name only. The specifications are locked behind membership (and requisite fees of ~$5k/yr - just enough to keep most hobbyists and the like out while being less than a rounding error for big companies).