On Tue, Feb 20, 2018 at 10:31:51AM +0100, Rafael J. Wysocki wrote:
> On Tue, Feb 20, 2018 at 12:14 AM, Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:
> > From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> >
> > Add details about how we decide whether we can put a PCI bridge in D3.
> > 9d26d3a8f1b0 ("PCI: Put PCIe ports into D3 during suspend") added this
> > support to reduce power consumption on Intel Sunrise Point and Broxton
> > platforms.
> >
> > In some cases we don't use D3 for bridges even when it should work, simply
> > because it's impractical to test the configuration, or we tripped over some
> > possible hardware issue on older platforms. Links to discussion of the
> > PCIe port runtime power management patches, which includes mention of these
> > issues, are below.
> >
> > No functional change.
> >
> > Link: v1: https://lkml.kernel.org/r/1456750566-116248-1-git-send-email-mika.westerberg@xxxxxxxxxxxxxxx
> > Link: v2: https://lkml.kernel.org/r/1460111790-92836-1-git-send-email-mika.westerberg@xxxxxxxxxxxxxxx
> > Link: v3: https://lkml.kernel.org/r/1460628268-16204-1-git-send-email-mika.westerberg@xxxxxxxxxxxxxxx
> > Link: v4: https://lkml.kernel.org/r/1461578004-129094-1-git-send-email-mika.westerberg@xxxxxxxxxxxxxxx
> > Link: v5: https://lkml.kernel.org/r/1461919919-120102-1-git-send-email-mika.westerberg@xxxxxxxxxxxxxxx
> > Link: v6: https://lkml.kernel.org/r/1464855435-32960-1-git-send-email-mika.westerberg@xxxxxxxxxxxxxxx
> > Link: https://lkml.kernel.org/r/2858019.9TUCWsDpTB@xxxxxxxxxxxxxx
> > Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
>
> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Also
Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
