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The TL;DR is that the organization that controls the HDMI standard won't allow any open source implementation of HDMI 2.1.

So the hardware is fully capable of it, but they'll get in trouble if them officially implement it.

Instead it's officially HDMI 2 (which maxes out at 4k @ 60Hz), but through a technique called chroma sub-sampling they've been able to raise that up to 4k @ 120Hz.

However there are some minor reductions in picture quality because of this, and the whole thing would be much easier if the HDMI forum would be more consumer friendly.

In the meantime, the Steam Machine also has display port as a completely issue free display option.

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[-] barryamelton@lemmy.world 26 points 22 hours ago

Tv oems are the ones that set up the hdmi club. They want the content encrypted with drm, from transit, to your pc, to your cable, to your screen. Look up the analog hole. This battle has been going on for 20 years. Share this with interested people.

[-] Blackmist@feddit.uk 10 points 20 hours ago

I don't know why they'd think I'd capture 600MB/s of uncompressed video though.

Since the torrent sites are crammed with full quality 4k Bluray remuxes and WebDLs direct from Amazon, there's clearly easier and better ways of doing this than putting encryption in a cable.

[-] barryamelton@lemmy.world 1 points 17 hours ago

Oh, they are working on that too. Win 11 depends on TPM modules, and it's not by mistake. Once they have the full software and hardware pipeline, they can control the media we see (for profit, but also for authoritarism because the jump is so small).

[-] Alaknar@sopuli.xyz 4 points 17 hours ago

I love that you're talking about these issues, but the TPM has nothing to do with any of this. It's also not a hard requirement for Windows 11 (even though that's basically all the media was talking about).

[-] barryamelton@lemmy.world 2 points 9 hours ago* (last edited 8 hours ago)

The TPM included DRM as its objective 20 years ago. They backtracked at that moment because of serious backslash. Now, it's present and a dependency. Then, it will be needed for banking. Afterwards, for social media and social credit like in China.

If you think they are going to stop where we are..

[-] Alaknar@sopuli.xyz 1 points 7 hours ago

I think you're confusing TPM (Trusted Platform Module) with TEE (Trusted Execution Environment).

If not, I'd love some links to read about that TPM with DRM from 20 years ago. However... I don't know, why would there be backlash about something that has then been implemented anyway, just in TEE instead?

this post was submitted on 05 Dec 2025
519 points (100.0% liked)

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