linux-kernel - Re: [PATCH] apple-gmux: Restore switch registers on suspend/resume

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Message-ID: <20120729205859.GA25819@srcf.ucam.org>
Date:	Sun, 29 Jul 2012 21:59:00 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	Andreas Heider <andreas@...tr.de>,
	Arun Raghavan <arun.raghavan@...labora.co.uk>,
	linux-kernel@...r.kernel.org, airlied@...hat.com
Subject: Re: [PATCH] apple-gmux: Restore switch registers on suspend/resume

On Sun, Jul 29, 2012 at 09:52:51PM +0100, David Woodhouse wrote:
> On Sun, 2012-07-29 at 20:39 +0100, Matthew Garrett wrote:
> > And it looks like intel_lvds->edid is only set during intel_lvds_init(). 
> > That seems less than ideal. How about something like this entirely 
> > untested patch? 
> 
> Actually, it works if I write 'MIGD' first and then 'IGD'. Looks like we
> aren't switching the DDC over to the new gfx card soon enough in the
> process?

Yes, the call to the switcheroo code only comes after the card is 
powered on. Cc:ing Dave Airlie - what are the expectations here? It 
looks like i915 should have a reprobe function.

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