On Tue, 14 Jan 2014 11:19:44 -0800
Jesse Barnes <[email protected]> wrote:

> On Tue, 14 Jan 2014 10:26:02 +0100
> Daniel Vetter <[email protected]> wrote:
> 
> > On Mon, Jan 13, 2014 at 01:32:45PM -0800, Kristen Carlson Accardi wrote:
> > > The opregion notification for runtime suspend should be D1, not D3.
> > > This is to maintain compatibility with firmware.
> > > 
> > > Signed-off-by: Kristen Carlson Accardi <[email protected]>
> > > ---
> > >  drivers/gpu/drm/i915/i915_drv.c | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > diff --git a/drivers/gpu/drm/i915/i915_drv.c 
> > > b/drivers/gpu/drm/i915/i915_drv.c
> > > index 61fb9fc..a6c370a 100644
> > > --- a/drivers/gpu/drm/i915/i915_drv.c
> > > +++ b/drivers/gpu/drm/i915/i915_drv.c
> > > @@ -925,7 +925,7 @@ static int i915_runtime_suspend(struct device *device)
> > >  
> > >   del_timer_sync(&dev_priv->gpu_error.hangcheck_timer);
> > >   dev_priv->pm.suspended = true;
> > > - intel_opregion_notify_adapter(dev, PCI_D3cold);
> > > + intel_opregion_notify_adapter(dev, PCI_D1);
> > 
> > This needs a bigger comment and some mention on which platforms we exactly
> > need this ... Or do the bios people plan to stick to this for bdw/vlv and
> > all the further stuff?
> 
> Doc # would help too, even if it's CDI or internal only... I don't know
> where to find this info, or if I did I've forgotten.
> 
> Thanks,

hahhah, you crack me up with all this "doc" stuff.  There is no doc.
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