[Bug 102468] RX470 powerplay issues on hybrid laptop system (dGPU does not power down)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102468

--- Comment #2 from taijian at posteo.de ---
I followed the recommendations of this page:
https://wiki.archlinux.org/index.php/Hybrid_graphics

The call working on my system is: echo "\\_SB.PCI0.PEG0.PEGP._OFF" >
/proc/acpi/call

If I use this command on a system that does not have amdgpu blacklisted,
however, this will lead to unstable system behaviour and a certain crash within
~5 min.

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