[REGRESSION]: acpi/nouveau: Hardware unavailable upon resume or suspend fails

Reproducing

1. Boot system to framebuffer console.
2. Run systemctl suspend. If undocked without secondary display, suspend fails. If docked with secondary display, suspend succeeds.
3. Resume from suspend if applicable.
4. System is now in a broken state.

Testing

• culprit commit is 89c290ea
• v6.6 fails
• v6.6 with culprit commit reverted does not fail
• Compiled with attached v6.6-config1

Hardware

• ThinkPad W530 2438-52U
• Dock with Nvidia-connected DVI ports
• Secondary display connected via DVI
• Nvidia Optimus GPU switching system

$ lspci | grep -i vga
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
01:00.0 VGA compatible controller: NVIDIA Corporation GK107GLM [Quadro K2000M] (rev a1)

Decoded logs from v6.6

• System is not docked and fails to suspend: undocked.log
• System is docked and fails after resume: docked.log

See also

• https://bugzilla.kernel.org/show_bug.cgi?id=218124
• https://lore.kernel.org/regressions/9f36fb06-64c4-4264-aaeb-4e1289e764c4@owenh.net/
• https://linux-regtracking.leemhuis.info/regzbot/regression/lore/9f36fb06-64c4-4264-aaeb-4e1289e764c4@owenh.net/