[Bug 65068] vgaswitcheroo doesn't deal with powered off dGPU on resume

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65068

--- Comment #5 from Alex Deucher <agd5f at yahoo.com> ---
(In reply to comment #4)
> I'm not sure if this has anything to do with this bug, but the PCI config
> space is all messed up when running on the integrated GPU:

When you disable the GPU the hardware is physically powered off so you are
accessing non-existent registers.  You need to power up the GPU using
vgaswitcheroo before loading/resuming the driver or access the config space
with lspci.

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