Re: PCI: Revert "PCI: Add runtime PM support for PCIe ports"

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On Tuesday, January 03, 2017 05:11:23 PM Lukas Wunner wrote:
> [cc += Dave Airlie:
> 
> Dave, we're about to lose support for newer Optimus laptops which use
> _PR3 to cut power to the discrete GPU because Bjorn Helgaas has queued
> a commit on his for-linus branch to remove runtime PM for PCIe ports.
> This fixes a regression on Kilian Singer's laptop on which locking the
> screen breaks USB and PS/2 input devices:

It doesn't fix the broken system suspend/resume on his system, though.

Thanks,
Rafael

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