Re: [PATCH] drm/i915: fixup runtime PM handling v2

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On Thu, Sep 24, 2015 at 09:14:15PM +0200, Rafael J. Wysocki wrote:
> On Thursday, September 24, 2015 08:40:28 AM Jesse Barnes wrote:
> > Forgot to cc Rafael.
> > 
> > On 09/23/2015 02:37 PM, Jesse Barnes wrote:
> > > According to the PCI docs and Rafael, we don't need to be doing explicit
> > > enables and disables in our init and teardown routines, as they're taken
> > > care of by the PCI core.  So drop the pm_runtime_disable() at teardown
> > > and pm_runtime_set_active() at init.
> > > 
> > > This fixes one failure of the basic-pci-d3-state test on my BYT.
> > > 
> > > v2: drop extra get_noresume() and put_noidle() (Rafael)
> > > 
> > > Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> > > ---
> > >  drivers/gpu/drm/i915/intel_runtime_pm.c | 3 ---
> > >  1 file changed, 3 deletions(-)
> > > 
> > > diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
> > > index 85c35fd..824e7b0 100644
> > > --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> > > +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> > > @@ -1822,7 +1822,6 @@ static void intel_runtime_pm_disable(struct drm_i915_private *dev_priv)
> > >  
> > >  	/* Make sure we're not suspended first. */
> > >  	pm_runtime_get_sync(device);
> > > -	pm_runtime_disable(device);
> > >  }
> > >  
> > >  /**
> > > @@ -2114,8 +2113,6 @@ void intel_runtime_pm_enable(struct drm_i915_private *dev_priv)
> > >  	if (!HAS_RUNTIME_PM(dev))
> > >  		return;
> > >  
> > > -	pm_runtime_set_active(device);
> > > -
> > >  	/*
> > >  	 * RPM depends on RC6 to save restore the GT HW context, so make RC6 a
> > >  	 * requirement.
> > > 
> > 
> 
> Looks good to me, thanks!

Queued for -next, thanks for the patch.
-Daniel

> 
> Rafael
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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