this post was submitted on 20 Mar 2024
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Since nvidia drivers do not properly implement implicit sync, this protocol not existing is the root cause of flickering with nvidia graphics on Wayland. This MR being merged means that Wayland might finally be usable with nvidia graphics with the next driver release.

EDIT: Nvidia dev posted that support is planned in the 555 driver, with beta release planned for May 15: https://github.com/NVIDIA/egl-wayland/pull/104#issuecomment-2010292221

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[–] [email protected] 2 points 7 months ago (1 children)

I'm all for progress, I hope it helps people, but I haven't had any issues with my Nvidia card and my two monitors on Wayland.

[–] [email protected] 5 points 7 months ago

If I remember right, the syncing issue was particularly egregious when you run windowed X11 programs on Wayland. So it could be that you got lucky.

[–] [email protected] 2 points 7 months ago (1 children)

I've been using Wayland on two Nvidia machines for months now, is the flickering the whole screen or just some applications because until I updated my Nvidia drivers very recently I've not had any flickering issues at all

[–] [email protected] 4 points 7 months ago (1 children)

I’ve been on NVIDIA with Wayland since June 23 (which is when I switched to Linux in general) and I am still mystified what all this fuss is about. Everything just… works? What am I missing?

[–] [email protected] 2 points 7 months ago (1 children)

Depends on your card, I've had an good number of different issues between my pc and laptop

[–] [email protected] 3 points 7 months ago (1 children)

It is great to see I'm not alone, yeah, I wish people would realize that it's just hardware at the end of the day. The company does crappy stuff but individuals who work there, most of them are smart individuals just trying their hardest to develope something they can be proud of, that people can enjoy, and that might benefit society in some way.

Mostly engineers but you get my point.

[–] [email protected] 2 points 7 months ago (1 children)

Engineers are made to do things they don't want to do, not their fault but they don't really have the power to do things properly

[–] [email protected] 1 points 7 months ago* (last edited 7 months ago)

They're still people at the end of the day. If they really disagree with the direction of the company they'll typically leave and find work elsewhere. Coming from a company like Nvidia, there's no shortage of options for those individuals.

Don't forget framework was started by a group of talented individuals from various ODM manufactures fed up with the direction laptops were going in the industry. Also look at the talent leaving game studios to create their own studios free from the influence of publishers.

I do agree with you, sometimes you gotta do things you don't want to do. The good has to outweigh the bad or generally they'll be left demotivated.

[–] [email protected] 7 points 7 months ago (1 children)

How long does a change like this take to make it's way into Plasma 6?

[–] [email protected] 4 points 7 months ago* (last edited 7 months ago)

https://invent.kde.org/plasma/kwin/-/merge_requests/4693

there's already a non-draft implementation, if I had to guess a few weeks before it's merged, and then you have to wait for a release, and then your distro has to package it. So, it's gonna be a while.

BUT, I think much more importantly is when it is merged into xwayland

https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/967

Which should be fairly soon!

[–] [email protected] 6 points 7 months ago* (last edited 7 months ago) (1 children)

Does it have to be supported in wlroots/composers, or are these changes in wayland enough? Edit: nevermind, the pr links other prs, such as https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/4262

[–] [email protected] 4 points 7 months ago

I saw a comment from an nvidia dev somewhere that XWayland support is enough to resolve the flickering, but compositor support is needed for best performance.

[–] [email protected] 4 points 7 months ago (1 children)

so was the problem wayland not doing something correctly or nvidia not doing something correctly 🤔

[–] [email protected] 17 points 7 months ago* (last edited 7 months ago) (1 children)

Well correct is a matter of opinion.

Nvidia doesn’t support implicit sync, because they view explicit sync as more correct, it lets the driver do fewer things that might be wrong and perform better. This is true.

The Linux world often assumes implicit sync works. This was never true.

[–] [email protected] 2 points 7 months ago (2 children)

so another 'just wayland things'?

[–] [email protected] 16 points 7 months ago

Well, kind of. This is an example of everybody doing it one way and NVIDIA doing something else. So, we should not lose sight of this being NVIDIA being a poor team player and expecting the world to revolve around them.

That said, you can argue that the way NVIDIA wants to work is more correct and that a “complete” Wayland implementation should support that approach.

It is totally fair to see this as a missing feature in Wayland ( so “just wayland things” ). However, a more collaborative NVIDIA could have absolutely made a better experience for their users in the meantime ( as AMD has for example ).

Taken in combination, this is why so many of the “I use Wayland and it works just fine” people do not use NVIDIA and why so many of the “Wayland is not ready” people are NVIDIA users.

Reading the tea leaves, things should generally work for most people by the time the major distros make their releases in the fall ( eg. Ubuntu 24.10 ). By then, many of these improvements to Wayland will have made their way to shipping code. At the same time, improvements to both the NVIDIA proprietary drivers and NVK will have done the same. The fact the Wayland support in Wine will have matured by then may also be a factor.

[–] [email protected] 6 points 7 months ago* (last edited 7 months ago)

No, there are hundreds of projects that assume implicit sync. Because its worked forever on Mesa.

[–] [email protected] 106 points 7 months ago (5 children)

Bought AMD never looked back

[–] [email protected] 9 points 7 months ago (1 children)

Is this MR NVIDIA related? It looks independent from that.

P.S fuck NVIDIA nonetheless

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[–] [email protected] 5 points 7 months ago (1 children)

Stayed with X11 and have no problems.

[–] [email protected] 2 points 7 months ago

Both. Both is fine.

[–] [email protected] 36 points 7 months ago (2 children)

Rather, I bought from the vendor who contributed their GPU drivers to the Linux Kernel. It just so happened that's AMD.

NVIDIA sycophants hate that one weird trick.

[–] [email protected] 1 points 7 months ago

Honestly... I don't really have anything against Nvidia, but I do. It's really a good company, but it sucks.

Those are my lines :D

[–] [email protected] -1 points 7 months ago (1 children)

Nvidia sycophants just call you an idiot for wasting your time on linux. :/

[–] [email protected] 1 points 7 months ago* (last edited 7 months ago)

Lol, down votes from chumps who can't tell the difference between NVIDIA's excellent hardware and Nvidia's shitty business practice.

[–] [email protected] 5 points 7 months ago

I last purchased a 2080ti, so I will probably ride that comfortably for another couple of years, but I window shop new AMD cards sometimes. I could probably convince myself to buy one even though it's unnecessary, but I use and love my mini PC case, and the newest cards are too long to fit. I really hope smaller high-end GPUs becomes a trend to push innovation in that direction. Kind of like how phones just kept getting thinner for the longest time, I want GPUs to fight for shortest.

[–] [email protected] 0 points 7 months ago

Good for you.

[–] [email protected] 44 points 7 months ago (3 children)

AFAIK we still need this merge request here for it to actually affect 99% of games, because they all run with Xwayland, right? https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/967

[–] [email protected] 10 points 7 months ago

Currently yes, tho Wine has gotten pretty far with Wayland support, so it wouldn't be too surprising to see Wine Wayland be useable for gaming in the next year or two.

[–] [email protected] 10 points 7 months ago

We also need support for the new protocol in Nvidia's driver. Support will be available in driver 555, the beta of which will be released on May 15. So there's still some time to wait until it's fully fixed.

[–] [email protected] 36 points 7 months ago

Yes, but that's bound to be merged quickly, the protocol itself was the main holdup from what I understand.

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