FilterHN

When doing 4k@120fps 4:4:4 chroma you might have to deal with longer handshakes and sometimes even no handshake at all. Or random dropouts. Or HDR not activating properly.

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eliaspro

4 minutes ago

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But wouldn't this break the HDCP chain and therefore render many use-cases (playback of DRM-protected streams) broken?

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WithinReason

1 hour ago

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This was previously blocked from inclusion in SteamOS by the HDMI forum. It would help the Steam Machine to each 4K120Hz on HDMI.

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paol

1 hour ago

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It was blocked from inclusion in the AMD GPU drivers, it's nothing specific to Steam or the Steam Machine.

The HDMI Forum apparently forbids any open source implementation of HDMI 2.1. Although I don't know if they ever offered an official justification, for a group that exists to promote HDMI adoption, they're clearly morons.

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account42

1 hour ago

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It's a group that exists to make sure that the standard works for all the members, including media companies that think they can control the flow of information. They don't need to promote HDMI adoption since their members already control pretty much all the TV production.

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Aissen

1 hour ago

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were*

As the article says, they most likely changed their mind, probably following quite a bit of background discussions and industry influence.

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expedition32

44 minutes ago

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If memory serves HDMI includes DRM which they don't want people to reverse engineer.

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