https://bugs.freedesktop.org/show_bug.cgi?id=98502
--- Comment #23 from Emil Velikov <emil.l.veli...@gmail.com> ---
(In reply to Eugene Shalygin from comment #22)
> I don't quite understand the situation too. I observe two opposite
> behaviours with the same kernel version (4.9): lspci wakes up dGPU on
> ArchLinux or not (Gentoo). Which one is bugged?
As I said earlier - first, you want to ensure that the dGPU is powered off in
_both_ cases (Arch vs Gentoo). Assuming you're OK with building your own kernel
a couple of printfs is all you need.
If the state is not the same - check you can the conditions under which the
device should be powered-off - powertop toggles, something using your dGPU,
etc.
If they are - check with the lspci/other version and thus code used on both
systems.
In either case all this sounds unrelated to this bug, so I'd suggest keeping it
separate.
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