9 mo. ago • 99%

HDMI Forum Rejects Open-Source HDMI 2.1 Driver Support Sought By AMD - Phoronix

www.phoronix.com HDMI Forum Rejects Open-Source HDMI 2.1 Driver Support Sought By AMD

For three years there has been a bug report around 4K@120Hz being unavailable via HDMI 2.1 on the AMD Linux driver.

The wait continues...

Hardware @lemmy.ml HDMI Forum Rejects Open-Source HDMI 2.1 Driver Support Sought By AMD

Furry Technologists @pawb.social HDMI Forum Rejects Open-Source HDMI 2.1 Driver Support Sought By AMD - Phoronix

Hacker News @lemmy.smeargle.fans HDMI Forum Rejects Open-Source HDMI 2.1 Driver Support Sought by AMD

62 comments

This really bothers me. Closed standards locked behind a licensing fee may as well not be standards at all, in my opinion.

239
- I don't understand why any hardware uses HDMI anymore anyway, what does it have that displayport doesn't?
  
  70
  
  HDMi foundation is founded by companies who own the home theatre environement (mainly movie conpanies and television) who puts DRM on HDMI to make it harder to illegally copy content like movies, ao they will always want to be anti open source because thats the request of streaming services/movie businesses. Its why for example, mobile devices have widevine levels. those levels basically determine how "unlocked" the device is and services will refuse to offer full functionality to unlocked devices because of it, be it audio or video.
  
  Members of VESA, who control the displaypprt standard are generally computer companies are mostly not in the business of media, so they value specs over drm on changes, which for example a use case is that displayport allows for daisychaining diaplays.
  
  69
  
  Decades of being the standard in a/v. That's like asking, why don't we get rid of gas stations and just install electric chargers? Well, everybody's got gas powered cars.
  
  50
  
  Probably a lot more hardware using HDMI than DisplayPort? Just throwing a guess, tbh.
  
  That being said, I might consider looking towards DisplayPort when I can get a new monitor...
  
  22
  
  CEC (technically I think displayport could support it, but generally isn't implemented) and ethernet up to 100Mbps.
  
  9
  
  Feature-wise probably next to nothing, and it's usually behind one or two generations in terms of bandwidth. HDMI is often the only port available on TVs though, so GPU makers likely can't afford to just leave it out.
  
  7
  
  eARC and 12gbp/s more bandwidth (4k@185hz vs 4k@120hz)
  
  Otherwise the same
  
  6
  
  Can hook up to TVs…
  
  0
- Permanently Deleted
  
  32
  
  My guess is it has something to do with DRM protection in the HDMI spec. I have no proof but it seems like it is always DRM that screws over open source.
  
  1
- Besed on the upvotes, it's not only your opinion. 👍
  
  2
Alright AMD, just remove HDMI from your graphics cards and be done with it 🤷 . Fuck the HDMI forum.

107
- As much as I want them to give HDMI the middle finger I don't think they have enough leverage in the GPU market to pull such a bold move off.
  
  39
  
  They could they just include a DP to HDMI adapter in the box and have no HDMI ports on the GPU maybe?
  
  16
  
  They’re currently what 15% of the market? Nvidia would happily swoop in and pick up some more market share.
  
  8
Alright, displayport, here we come

73
- I've been on the DP bandwagon since using my GTX 660Ti
  
  22
  
  I don’t think I’ve ever used hdmi by choice. It’s always been VGA > DVI > DisplayPort. The only times I use HDMI is consoles or stupid monitors either only 1 DP and a bunch of HDMI.
  
  10
These guys can go fuck themselves

7
So I see people on the phoronix forums complaining that this is a bad thing because they have TVs which are HDMI only. From what I read, the HDMI 2.1+ spec is only needed to support extreme cases like 4k@120Hz and above. So my question is how many people are there who have a TV old enough to have no display ports but be of that outrageous specification.

Edit : it seems I am mistaken in thinking that new TVs have display port.

5
- So my question is how many people are there who have a TV old enough to have no display ports but be of that outrageous specification
  
  As far as I know no consumer TV has Display port.
  
  I bought a TV maybe 2-3 years ago that supports 4K@120 and it doesn't have a display port, only HDMI.
  
  5
- I'm using a recent 42" LG OLED TV as a large affordable PC monitor in order to support 4K@120Hz+HDR@10bit, which is great for gaming or content creation that can appreciate the screen real estate. Anything in the proper PC Monitor market similarly sized or even slightly smaller costs way more per screen area and feature parity.
  
  Unfortunately such TVs rarely include anything other than HDMI for digital video input, regardless of the growing trend connecting gaming PCs in the living room, like with fiber optic HDMI cables. I actually went with a GPU with more than one HDMI output so I could display to both TVs in the house simultaneously.
  
  Also, having an API as well as a remote to control my monitor is kind of nice. Enough folks are using LG TVs as monitors for this midsize range that there even open source projects to entirely mimic conventional display behaviors:
  
  https://github.com/JPersson77/LGTVCompanion
  
  https://github.com/cali-95/LGTVLinuxCompanion
  
  I also kind of like using the TV as simple KVMs with less cables. For example with audio, I can independently control volume and mux output to either speakers or multiple Bluetooth devices from the TV, without having fiddle around with repairing Bluetooth peripherals to each PC or gaming console. That's particularly nice when swapping from playing games on the PC to watching movies on a Chromecast with a friend over two pairs of headphones, while still keeping the house quite for the family. That kind of KVM functionality and connectivity is still kind of a premium feature for modest priced PC monitors. Of course others find their own use cases for hacking the TV remote APIs:
  
  https://youtu.be/io_AFseYleE
  
  https://youtu.be/76wAEJOdBq8
  
  4
- TVs don't have DisplayPort. I just bought a new TV, none of the options I looked at had display port.
  
  2
This destroys any chance of Valve making an Xbox-competitive home console with SteamOS :(

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- 46
  
  Permanently Deleted
  
  15
  
  Tell Samsung that for my TV...
  
  9
- Is anyone doing 4K at above 60Hz with the steam deck? I highly doubt it.
  
  2
  
  This stops them releasing a more powerful home version though. As SteamOS/Linux will not be able to support modern HDMI2.1 features.
  
  1

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