Periodic stuttering on fresh gnome.40 wayland install on Arch Linux

Hey there :wave:

As the title states I’m getting stuttering that I don’t quite know how to diagnose. Not sure if it is caused by gnome 40, wayland, arch linux, or the framework.

For the record, I’ve tried latest kernel and 5.12.15.

Anyone else having stutters on wayland? It appears as mouse and keyboard lag every once in a while.

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I have the same issue on Sway/wlroots/5.13 kernel, so my guess would be an intel driver issue

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Check the fedora 34 community tab on the framework community website, I had this same issue and I have since then resolved the issue. I also fixed a vertical sync issue that was very apparent when my display would update.

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Awesome, thanks @Jerry! Here’s the link for others who find this https://community.frame.work/t/fedora-34-on-the-framework-laptop/2723/16?u=anthony_powell

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Have had this same issue on Arch (with Sway and other wlroots compositors) and can confirm that disabling PSR fixes it. Rather than pass it to the kernel from the bootloader, I instead created a file /etc/modprobe.d/i915.conf containing just this line:

options i915 enable_psr=0

Works great.

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I’m honestly shocked that Panel Self-Refresh is enabled by default.

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FWIW, after updating to kernel 5.14.2-1 I no longer see any stuttering. (Manjaro 21.1.2 Gnome 40 wayland).