this post was submitted on 01 Mar 2024
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434
HDMI Forum to AMD: No, you can’t make an open source HDMI 2.1 driver | Linux users can't hit the same resolutions and speeds as Windows—or DisplayPort. (arstechnica.com)
submitted 8 months ago by [email protected] to c/[email protected]
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HDMI Forum to AMD: No, you can’t make an open source HDMI 2.1 driver | Linux users can't hit the same resolutions and speeds as Windows—or DisplayPort.::Linux users can't hit the same resolutions and speeds as Windows—or DisplayPort.

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[–] [email protected] 10 points 8 months ago (3 children)

Is this because of HDCP?

[–] [email protected] 24 points 8 months ago (1 children)

No, patents.

[–] [email protected] 3 points 8 months ago (1 children)

So I still don't quite understand patents,

Does it forbid someone from selling the intention? Making the invention? Can I not even make an invention for personal use if it's patented??

[–] [email protected] 3 points 8 months ago (1 children)

I think you can generally make one, but it has to be for personal use and you can't ever sell it.

[–] [email protected] 1 points 8 months ago* (last edited 8 months ago) (1 children)

is amd having support on the linux kernel counting as selling?

[–] [email protected] 2 points 8 months ago

No but it isn't for personal use. You likely wouldn't be able to get the specs to do it for yourself either though.

[–] [email protected] 14 points 8 months ago

A speculation, https://www.phoronix.com/news/HDMI-2.1-OSS-Rejected, about HDCP, i.e. not exposing technical details as to prevent video copying, was offered.

[–] [email protected] 8 points 8 months ago

In practice probably largely. But I doubt they say explicitly.