You can't make an open source HDMI 2.1 driver
You can't make an open source HDMI 2.1 driver

arstechnica.com
HDMI Forum to AMD: No, you can’t make an open source HDMI 2.1 driver

You can't make an open source HDMI 2.1 driver
HDMI Forum to AMD: No, you can’t make an open source HDMI 2.1 driver