Periodic lag spike on FreeBSD 13.2-RELEASE (intel graphics / wayland)

Hello all,

I'm not sure if anyone is experiencing this, but on my framework laptop running this graphic card:

vgapci0@pci0:0:2:0: class=0x030000 rev=0x01 hdr=0x00 vendor=0x8086 device=0x9a49 subvendor=0xf111 subdevice=0x0001
vendor = 'Intel Corporation'
device = 'TigerLake-LP GT2 [Iris Xe Graphics]'
class = display
subclass = VGA

I get periodic lag spikes. The lag spikes last about 2-3 seconds, almost as if there is some sort of garbage collection running. Wayland/sway continue to function properly, it's just annoying. I do notice these messages in my dmesg and I think they may be related:

drmn0: [drm] *ERROR* Atomic update failure on pipe D (start=20288 end=20289) time 0 us, min 1073, max 1079, scanline start 1050, end 1081

I'm running drm-510-kmod as listed below:

jon@leslie:~ $ pkg info drm-510-kmod
drm-510-kmod-5.10.163_7
Name : drm-510-kmod
Version : 5.10.163_7
Installed on : Tue May 16 16:37:56 2023 EDT
Origin : graphics/drm-510-kmod
Architecture : FreeBSD:13:amd64
Prefix : /usr/local
Categories : kld graphics
Licenses : MIT and GPLv2 and BSD2CLAUSE
Maintainer : x11@FreeBSD.org
WWW : https://github.com/freebsd/drm-kmod/
Comment : DRM drivers modules
Annotations :
FreeBSD_version: 1301000
repo_type : binary
repository : FreeBSD
Flat size : 12.6MiB
Description :
amdgpu, i915, and radeon DRM drivers modules.
Currently corresponding to Linux 5.10 DRM.
This version is for FreeBSD 13.1 and above.

WWW: https://github.com/freebsd/drm-kmod/

I can't remember at the moment if it also happened with X11, but it may have.

Please let me know if there is anything else I can provide to narrow down the root cause. Thank you!

Jonathan Vasquez
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