Post by @kkj

In reply to 4 earlier posts

@throws_lemy@reddthat.com on reddthat.com Open parent

The HDMI Forum, responsible for the HDMI specification, continues to stonewall open source. Valve’s Steam Machine theoretically supports HDMI 2.1, but the mini-PC is software-limited to HDMI 2.0. As a result, more than 60 frames per second at 4K resolution are only possible with limitations.

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@async_amuro@lemmy.zip on lemmy.zip Open parent

Maybe a dumb question… if I used a DisplayPort to HDMI 2.1 adapter, would I get 4K at 120Hz on the Steam Machine and my LG CX tv?

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@joyjoy@lemmy.zip on lemmy.zip Open parent

Depends on the adapter and source. You may find issues when playing HDPC protected content of you buy a low quality adapter.

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@fonix232@fedia.io on fedia.io Open parent

DisplayPort to HDMI doesn't need an adapter since DP has an alt signal mode with HDMI support. Although I'm not sure 2.1 signalling is available yet or not.

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kkj in !technology

@kkj@lemmy.dbzer0.com · Dec 10

DP++ HDMI support tells the GPU to output HDMI. If the GPU can’t output HDMI 2.1 over an HDMI port, it can’t output it over a DisplayPort (as a general rule; you could theoretically wire the DP for a higher standard, but why would you?)

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