Re: [PATCH 1/4] drm/i915: export assert_device_not_suspended

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On ma, 2015-11-09 at 20:30 +0200, Ville Syrjälä wrote:
> On Mon, Nov 09, 2015 at 08:20:08PM +0200, Imre Deak wrote:
> > We should use the same assert in more places, so export it. Move it
> > to
> > intel_runtime_pm.c at the same time, since that's a more logical
> > place
> > for it.
> > 
> > Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/intel_drv.h        | 2 ++
> >  drivers/gpu/drm/i915/intel_runtime_pm.c | 6 ++++++
> >  drivers/gpu/drm/i915/intel_uncore.c     | 7 -------
> >  3 files changed, 8 insertions(+), 7 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_drv.h
> > b/drivers/gpu/drm/i915/intel_drv.h
> > index f9089df..373cc07 100644
> > --- a/drivers/gpu/drm/i915/intel_drv.h
> > +++ b/drivers/gpu/drm/i915/intel_drv.h
> > @@ -1415,6 +1415,8 @@ void intel_display_power_get(struct
> > drm_i915_private *dev_priv,
> >  			     enum intel_display_power_domain
> > domain);
> >  void intel_display_power_put(struct drm_i915_private *dev_priv,
> >  			     enum intel_display_power_domain
> > domain);
> > +
> > +void assert_device_not_suspended(struct drm_i915_private
> > *dev_priv);
> >  void intel_runtime_pm_get(struct drm_i915_private *dev_priv);
> >  void intel_runtime_pm_get_noresume(struct drm_i915_private
> > *dev_priv);
> >  void intel_runtime_pm_put(struct drm_i915_private *dev_priv);
> > diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c
> > b/drivers/gpu/drm/i915/intel_runtime_pm.c
> > index b42506b..0d4a03b 100644
> > --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> > +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> > @@ -2120,6 +2120,12 @@ void intel_power_domains_init_hw(struct
> > drm_i915_private *dev_priv, bool resume)
> >  	power_domains->initializing = false;
> >  }
> >  
> > +void assert_device_not_suspended(struct drm_i915_private
> > *dev_priv)
> > +{
> > +	WARN_ONCE(HAS_RUNTIME_PM(dev_priv->dev) && dev_priv
> > ->pm.suspended,
> 
> Is there any point in the HAS_RUNTIME_PM() check?

All other platforms should have pm.suspended = false and a non-zero
refcount all the time, so I guess not. I can remove it in patch 3/4.

> 
> > +		  "Device suspended\n");
> > +}
> > +
> >  /**
> >   * intel_power_domains_suspend - suspend power domain state
> >   * @dev_priv: i915 device instance
> > diff --git a/drivers/gpu/drm/i915/intel_uncore.c
> > b/drivers/gpu/drm/i915/intel_uncore.c
> > index 5bb269c..2b93a68 100644
> > --- a/drivers/gpu/drm/i915/intel_uncore.c
> > +++ b/drivers/gpu/drm/i915/intel_uncore.c
> > @@ -50,13 +50,6 @@ intel_uncore_forcewake_domain_to_str(const enum
> > forcewake_domain_id id)
> >  	return "unknown";
> >  }
> >  
> > -static void
> > -assert_device_not_suspended(struct drm_i915_private *dev_priv)
> > -{
> > -	WARN_ONCE(HAS_RUNTIME_PM(dev_priv->dev) && dev_priv
> > ->pm.suspended,
> > -		  "Device suspended\n");
> > -}
> > -
> >  static inline void
> >  fw_domain_reset(const struct intel_uncore_forcewake_domain *d)
> >  {
> > -- 
> > 2.5.0
> > 
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
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