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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Feb 9 15:18:19 UTC 2018


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

--- Comment #7 from Paul Menzel <pmenzel+bugs.freedesktop at molgen.mpg.de> ---
(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?

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