linux-kernel - Re: [Q] How to tell we're using the KMS (during suspend/resume) outside the graphics driver

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Message-ID: <20100310211704.GA29201@srcf.ucam.org>
Date:	Wed, 10 Mar 2010 21:17:04 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Pauli Nieminen <suokkos@...il.com>,
	Paul Mundt <lethal@...ux-sh.org>,
	Luca Tettamanti <kronos.it@...il.com>,
	Linux PCI <linux-pci@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	dri-devel@...ts.sourceforge.net
Subject: Re: [Q] How to tell we're using the KMS (during suspend/resume)
	outside the graphics driver

On Wed, Mar 10, 2010 at 10:15:26PM +0100, Rafael J. Wysocki wrote:
> On Wednesday 10 March 2010, Matthew Garrett wrote:
> > As far as the ACPI video driver goes, acpi_get_physical_pci_device() 
> > will give you something to work with.
> 
> Hmm.  Did you mean acpi_get_physical_device()?

Ah, no, acpi_get_pci_dev.

> Which acpi_device should I call that for?

The video one. acpi_video_bus_check does something very similar to check 
whether the device actually exists.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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