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AMD wanted to incorporate parts of the HDMI 2.1 spec into its open-source Linux drivers, but the HDMI Forum's legal beagles shutdown the whole idea.
It's HDMI 2.1, Jim, but not as we know it.
All of this means that Linux gamers with Radeon GPUs will still need to use the DisplayPort output and an appropriate DP-to-HDMI cable if they want to run an HDMI-only 4K display at 120 Hz or more. He ended up becoming a physics and IT teacher, but by the late 1990s decided it was time to cut his teeth writing for a long defunct UK tech site. After a short stint working at Beyond3D.com, Nick joined Futuremark (MadOnion rebranded) full-time, as editor-in-chief for its gaming and hardware section, YouGamers.
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