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Date: Mon, 25 Feb 2013 14:32:43 -0800
From: Greg KH <gregkh@linuxfoundation.org>
To: Dave Airlie <airlied@gmail.com>
Cc: Ben Skeggs <bskeggs@redhat.com>, David Airlie <airlied@linux.ie>,
        Martin Peres <martin.peres@labri.fr>, dri-devel@lists.freedesktop.org,
        linux-kernel@vger.kernel.org
Subject: Re: resume fails to light display on Macbook Pro Retina on 3.8-rc1
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On Mon, Feb 25, 2013 at 04:06:02PM +1000, Dave Airlie wrote:
> On Mon, Feb 25, 2013 at 3:52 PM, Greg KH <gregkh@linuxfoundation.org> wrote:
> > Hi Ben,
> >
> > My Macbook Pro Retina fails to resume properly on 3.8.  I tracked this
> > down to commit 6c5a04249d7afeea3e0ed971e7813f84e29a1706 (drm/nvd0/disp:
> > move link training helpers into core as display methods)
> >
> > Anything I can try to help solve this?
> >
> > Note, I'm using the Intel driver as the main controller for this laptop,
> > well, I think I am, my xorg log is attached.
> 
> No you are using the nvidia, the efi always boots nvidia enabled now.

Really?  When did that change?  I thought I wanted to be using the Intel
chip to save battery life.

> btw I just tested my drm-next tree on mine and it resumed the display
> fine, something oopsed a few seconds later that I haven't tracked down
> 
> git://git.freedesktop.org/~airlied/linux drm-next
> 
> I'll be sending it to Linus this evening or tomorrow morning, once I
> fix my tree.

Ok, I'll test again when it hits Linus's tree, and if that works, it
would be good to try to work out what patch fixes it to get them into
the 3.8-stable series so that others don't run into the same problem.

thanks,

greg k-h