Re: [PATCH 1/2] vga_switcheroo: add power support for windows 10 machines.

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Hi Mika,

On Mon, Mar 14, 2016 at 11:43:35AM +0200, Mika Westerberg wrote:
> On Mon, Mar 14, 2016 at 12:19:14PM +1000, Dave Airlie wrote:
> > On 11 March 2016 at 23:45, Rafael J. Wysocki <rjw@xxxxxxxxxxxxx> wrote:
> > > On Friday, March 11, 2016 12:58:15 PM Mika Westerberg wrote:
> > >> On Thu, Mar 10, 2016 at 09:57:09PM +0100, Rafael J. Wysocki wrote:
> > >> > > It doesn't seem to do any runtime PM,
> > >> > > I do wonder if pcieport should be doing it's own runtime PM handling,
> > >> > > but that is a
> > >> > > larger task than I'm thinking to tackle here.
> > >> >
> > >> > PCIe ports don't do PM - yet.  Mika has posted a series of patches to implement
> > >> > that, however, that are waiting for comments now:
> > >> >
> > >> > https://patchwork.kernel.org/patch/8453311/
> > >> > https://patchwork.kernel.org/patch/8453381/
> > >> > https://patchwork.kernel.org/patch/8453391/
> > >> > https://patchwork.kernel.org/patch/8453411/
> > >> > https://patchwork.kernel.org/patch/8453371/
> > >> > https://patchwork.kernel.org/patch/8453351/

If a pciehp port is runtime suspended and pciehp_poll_mode is enabled,
the poll timer needs to be disabled and later reenabled on runtime resume.

Don't we need to add runtime pm callbacks to struct pcie_port_service_driver
for that, and call them from pcie_port_runtime_*()?

Best regards,

Lukas
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