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Platform: GPD Win 3, I7-1165G7, Iris Xe graphics.
Kernel: Linux 5.12.15-arch1-1 ( downgraded due to https://bbs.archlinux.org/viewtopic.php?id=268439 ), however with testing, the issue is present on 5.13.10-arch1-1.
Desktop: KDE (Wayland or X11, same behavior). If I set the power button to "Turn off screen" in "Energy Saving" settings, when waking the screen back up (key press, mouse movement, etc) the backlight turns on but the screen is black. Restarting display manager/etc does nothing, it is stuck black until reboot. No cursor.
SSH connections to the device remain, it seems that graphics alone gets messed up.
I've "worked around" the issue by forbidding the screen from shutting off ever, and setting the power button to "Do nothing". I've been searching for an upstream bug (like with the linked bluetooth issue) or something to find precedent for, but have been unable to. Installed Arch about 5 days ago, so aside from the kernel most everything else is up to date. Full system update right before this post, latest kernel (5.13.10-arch1-1 at the time of writing), the issue is present.
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