> Date: Sun, 4 Mar 2012 12:27:56 -0800
> From: Mike Larkin <mlar...@azathoth.net>
> Cc: joshua stein <j...@openbsd.org>, tech@openbsd.org
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> 
> On Sat, Mar 03, 2012 at 09:43:39PM +0100, Matthieu Herrb wrote:
> > On Sat, Mar 03, 2012 at 12:50:32PM -0600, joshua stein wrote:
> > > > And it only works if you don't suspend the machine. After a
> > > > suspend/resume cycle, X still comes back, but text mode VTs stay black
> > > > again. 
> > > 
> > > does the console resume properly even when you boot up and don't
> > > start x?  it doesn't on my laptop, so this may be an acpi-related
> > > problem.
> > > 
> > 
> > No, even in text mode only the console doesn't come back from
> > suspend. So yes it's an acpi issue.  
> > -- 
> > Matthieu Herrb
> >
> 
> This really has nothing to do with ACPI. It could be due to missing a 
> repost in resume, but ACPI is really not involved in that part of the
> sequence.
> 
> There is a block of code in sys/dev/pci/vga_pci.c that can be used to try one
> of two different resume video repost techniques. Did you try putting your
> card's ID in there and see what happens? (For both types of repost?)

I'm pretty sure I tried both methods when I was hackig on the initial
sandybridge support.  They didn't help.  We need to restore the
graphics state ourselves in the kernel driver.

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