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From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: benh@kernel.crashing.org
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
	pm list <linux-pm@lists.linux-foundation.org>,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	Alan Stern <stern@rowland.harvard.edu>, Greg KH <greg@kroah.com>,
	Len Brown <lenb@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
	Alexey Starikovskiy <astarikovskiy@suse.de>,
	David Brownell <david-b@pacbell.net>, Pavel Machek <pavel@ucw.cz>,
	Oliver Neukum <oliver@neukum.org>,
	Nigel Cunningham <ncunningham@crca.org.au>,
	Dave Airlie <airlied@linux.ie>
Subject: Re: [RFC][PATCH 1/3] use new pm_ops in DRM drivers
Date: Thu, 3 Apr 2008 16:48:59 -0700	[thread overview]
Message-ID: <200804031648.59630.jbarnes@virtuousgeek.org> (raw)
In-Reply-To: <1207259267.10388.334.camel@pasglop>

On Thursday, April 03, 2008 2:47 pm Benjamin Herrenschmidt wrote:
> On Thu, 2008-04-03 at 11:50 -0700, Jesse Barnes wrote:
> > +static struct pm_ops i915_pm_ops = {
> > +       .prepare = NULL, /* DRM core should prevent any new ioctls? */
> > +       .complete = NULL, /* required to re-enable DRM client requests
> > */
>
> The DRM core could definitely provide generic prepare & complete that
> sync'up with user space, making sure the command streams stop etc...

Yeah, that's what I had in mind.  I'll have to think a little harder about it 
though, I think there may be some driver specific stuff required here as 
well, which would mean a driver routine that calls into a core routine (both 
of which still need to be written :).

Jesse

  reply	other threads:[~2008-04-03 23:50 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-02  0:07 [RFC][PATCH 0/3] PM: Rework suspend and hibernation code for devices (rev. 4) Rafael J. Wysocki
2008-04-02  0:09 ` [RFC][PATCH 1/3] PM: Introduce new top level suspend and hibernation callbacks (rev. 7) Rafael J. Wysocki
2008-04-02 13:12   ` Pavel Machek
2008-04-03 18:50   ` [RFC][PATCH 1/3] use new pm_ops in DRM drivers Jesse Barnes
2008-04-03 21:23     ` Rafael J. Wysocki
2008-04-03 21:41       ` Jesse Barnes
2008-04-03 21:47     ` Benjamin Herrenschmidt
2008-04-03 23:48       ` Jesse Barnes [this message]
2008-04-02  0:10 ` [RFC][PATCH 2/3] PM: New suspend and hibernation callbacks for platform bus type (rev. 3) Rafael J. Wysocki
2008-04-02 13:14   ` Pavel Machek
2008-04-02  0:11 ` [RFC][PATCH 3/3] PM: New suspend and hibernation callbacks for PCI " Rafael J. Wysocki
2008-03-25 20:23   ` Pavel Machek

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