Re: [PATCH] PCI: Blacklist power management of Gigabyte X299 DESIGNARE EX PCIe ports

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On Wed, Dec 05, 2018 at 12:40:29PM +0200, Mika Westerberg wrote:
> On Wed, Dec 05, 2018 at 10:48:18AM +0100, Lukas Wunner wrote:
> > Does the root port have a _RMV and/or _SUN object?  We could e.g.
> > disallow runtime PM for any bridge with _RMV present and the HPC
> > bit not set in the Slot Capabilities.
> 
> Unfortunately it does not have either of those methods :/ It pretty much
> looks like a "normal root port" from OS perspective.
> 
> Below is the ASL related to the root port (RP05) in question:

The information might be buried in the Device Labeling DSM but I can't
make sense of it because I only have access to the PCI Firmware Spec 3.0,
which is too old.

Thanks,

Lukas



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