On Fri, Feb 24, 2017 at 04:17:24PM -0600, Bjorn Helgaas wrote:
> On Fri, Feb 24, 2017 at 08:19:45PM +0100, Lukas Wunner wrote:
> > Detect on probe whether a PCI device is part of a Thunderbolt controller.
[...]
> > * If an external Thunderbolt GPU is connected to a dual GPU laptop (Mac
> > or not
On Fri, Feb 24, 2017 at 08:19:45PM +0100, Lukas Wunner wrote:
> Detect on probe whether a PCI device is part of a Thunderbolt controller.
>
> Intel uses a Vendor-Specific Extended Capability (VSEC) with ID 0x1234
> on such devices. Detect presence of this VSEC and cache it in a newly
> added is_t
On Sat, Feb 25, 2017 at 08:40:03AM +0100, Lukas Wunner wrote:
> On Fri, Feb 24, 2017 at 04:17:24PM -0600, Bjorn Helgaas wrote:
> > On Fri, Feb 24, 2017 at 08:19:45PM +0100, Lukas Wunner wrote:
> > > --- a/include/linux/pci.h
> > > +++ b/include/linux/pci.h
> > > @@ -358,6 +358,7 @@ struct pci_dev {
On Fri, Feb 24, 2017 at 04:17:24PM -0600, Bjorn Helgaas wrote:
> On Fri, Feb 24, 2017 at 08:19:45PM +0100, Lukas Wunner wrote:
> > --- a/include/linux/pci.h
> > +++ b/include/linux/pci.h
> > @@ -358,6 +358,7 @@ struct pci_dev {
> > unsigned intis_virtfn:1;
> > unsigned intreset_fn:1
Detect on probe whether a PCI device is part of a Thunderbolt controller.
Intel uses a Vendor-Specific Extended Capability (VSEC) with ID 0x1234
on such devices. Detect presence of this VSEC and cache it in a newly
added is_thunderbolt bit in struct pci_dev. Add a helper to check
whether a given
