[RESOLVED] If you're having graphical issues on Wayland

Framework Laptop 13 Linux
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I’ve been struggling with graphical freezes, glitched lines, and other weirdness running GNOME on Wayland for quite some time now, and I couldn’t for the life of me find anything out there that led anywhere. Well, through some incredible luck, I finally stumbled upon this last night: Haswell GPU Hang with kernel 5.10 (#3039) · Issues · drm / intel · GitLab

It seems running this has fixed the weirdness:

echo off | sudo tee /sys/module/i915/parameters/mitigations

So if you’ve experienced similar issues, hopefully this helps!

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You can make this permanent by doing

boot.extraModprobeConfig = ''
  options i915 mitigations=off
''
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For the record, “mitigations” refers to mitigations for this attack, so proceed with caution: More Details On Intel's CVE-2019-14615 Graphics Vulnerability, a.k.a. iGPU Leak - Phoronix

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Well, hrm. The problem came back even with that setting off. It seems to be substantially worse after coming out of suspend, and that seems to persist across warm boots too.

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Could you try “i915.enable_psr=0”?

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Sure, just updated and I’ll report back after a day or two of use to see if that does it.

Side note, I seem to remember this being a trick on 11th gen that eventually got fixed, I’m guessing it’s a similar deal with 12th gen?

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Potentially, I think I saw something about a load of intel GPU fixes coming in kernel 6.1

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Yes, this is the correct recommendation.

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Yeah, after a week I’ve had no more glitches or freezes.

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Delighted to hear it. I’ve been happy as well with the current state of things. [TRACKING] Fedora Freezes and Flickering on newer Kernels - #84 by Matt_Hartley

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Yes, this is the correct recommendation.

Could you give en explanation of where to set “i915.enable_psr=0”? I am not proficient with Linux, however, have the same issue of Fedora 37 freezing from time to time on my Framework 12th gen. By the way, I had it also with PopOS when I still had it installed a few months ago.
I found a workaround of switching away from Wayland to Xorg with the gear on the login screen, however, this disables some touchpad gestures.

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I have found out that the issue is now mentioned in Step 5 of the Fedora installation guide. This was not there when I installed Fedora a few months ago but nice to see it is updated.

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No problem, basically Panel Self Refresh is a power saving feature (speaking at a high level). It’s been known to help with screen flickering and in some cases, freezing and other oddities.

Yep, it’s a recent addition. I wanted to see more feedback from users trying it out as my own experience alone wasn’t enough. Now that we have proper testing done, it’s been added.

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