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by BlueTemplar 666 days ago
Yeah, as far as I understand, exactly this : for instance you can't use the DRM embedded in HDMI for your own purposes, you have to be a licensee and get access to the source code (and a way to modify the chips) for that.

Somewhat relevant :

HDMI Forum rejects AMD's HDMI 2.1 open-source driver :

https://news.ycombinator.com/item?id=41386667