this post was submitted on 01 Mar 2024
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This is the best summary I could come up with:
Any Linux user trying to send the highest-resolution images to a display at the fastest frame rate is out of luck for the foreseeable future, at least when it comes to an HDMI connection.
Alex Deucher, an AMD engineer who has long contributed to the company's open source offerings, has kept a related bug thread alive for at least two years, only to deliver the negative outcome yesterday.
In February 2023, Deucher reported that he was "working with our [AMD] legal team to sort out what we can deliver while still complying with our obligations to HDMI Forum."
Two months later, he said that AMD got "the basic functionality up and running, now we have to go through each of the features with legal and determine if/how we can expose them while still meeting our obligations."
Phoronix and some commenters have suggested potential interference from media firms concerned about digital video ripping.
It also suggests that AMD has to decide whether to implement newer HDMI support inside closed-source Linux drivers or simply point its most demanding customers to other options.
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