[Bug 104856] `intel_hpd_cancel_work` takes around 1 s during suspend on Dell XPS 13 9360

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104856

--- Comment #8 from Imre Deak <imre.deak at intel.com> ---
(In reply to Paul Menzel from comment #7)
> (In reply to Imre Deak from comment #6)
> > The problem is that AUX interrupts get disabled too early during suspend,
> > after which the driver still performs AUX transfers. Without interrupts
> > these transfers will be slow (each taking a 10ms timeout overhead). The
> > solution would be to do more fine-grained interrupt disabling during suspend.
> 
> What commit introduced this regression?

I don't think this is a regression, we never had support for keeping only AUX
interrupts enabled. So it needs to be implemented.

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