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Date: Mon, 2 Jan 2017 16:48:52 +0200
From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Lukas Wunner <lukas@wunner.de>
Cc: Kilian Singer <kilian.singer@quantumtechnology.info>,
	Bjorn Helgaas <helgaas@kernel.org>,
	linux-pci <linux-pci@vger.kernel.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Subject: Re: PCI: Revert "PCI: Add runtime PM support for PCIe ports"
Message-ID: <20170102144852.GE3353@lahna.fi.intel.com>
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 <52715138.511.1483053634089.JavaMail.zimbra@quantumtechnology.info>
 <20161230000731.GB18700@wunner.de>
 <1180505121.522.1483056977880.JavaMail.zimbra@quantumtechnology.info>
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On Mon, Jan 02, 2017 at 02:10:19PM +0200, Mika Westerberg wrote:
> I've checked the acpidump of this machine and it does not seem to be a
> traditional Optimus machine. At least this one is missing the magic _DSM
> which is used to gather capabilities of the graphics device.
> 
> However, it does have _PR3 and it is attached to the device
> (_SB.PCI0.PEG) itself, not the root port.

Nah, actually PEG is the root port. So it certainly looks like
a traditional Optimus machine.