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Is it known yet if the 9070 (XT) support HDMI2.1 in Linux (feddit.nl)
submitted 1 year ago by to c/linux_gaming@lemmy.world
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I hope AMD fixed this on their side, maybe by implementing it in hardware. Does anyone have a source? I've only seen reports of HDMI 2.1b support not specifying "Windows-only". Fingers crossed.

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[–] 19 points 1 year ago (1 child)

It's not known either way yet, but unless they offloaded it to a separate firmware like Nvidia or Intel, it's not possible for them to do in Linux due to HDMI patents. The way the other vendors avoided this is to use a separate component that does everything internally, so none of the code is in the drivers. AMD doesn't do that historically, and thus can only support such features with closed source drivers/OS.

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  • [–] 25 points 1 year ago (2 children)

    Jep. People need to understand that HDMI is bad. You're literally paying for worse service. Just use DP. Open and better.

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  • [–] [S] 11 points 1 year ago (2 children)

    I mean, I agree. But I've waited long enough for a good OLED TV with DisplayPort. I don't get why they don't just add one.

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  • [–] 13 points 1 year ago

    Royalties. It's been 10 years since DP became capable of carrying audio on the same cable, so that's not an excuse anymore.

    There are larger format monitors that have both, but I don't think they're configured in a way that makes them very cost effective.

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