nouveau regression with 5.7 caused by "PCI/PM: Assume ports without DLL Link Active train links in 100 ms"

[Lukas Wunner]

On Fri, Jul 17, 2020 at 03:04:10PM -0400, Lyude Paul wrote:
> Isn't it possible to tell whether a PCI device is connected through
> thunderbolt or not? We could probably get away with just defaulting
> to 100ms for thunderbolt devices without DLL Link Active specified,
> and then default to the old delay value for non-thunderbolt devices.

pci_is_thunderbolt_attached()