Re: [PATCH 4/7] drm/i915/skl: Updated the gen6_rps_limits function

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On Mon, 2015-02-09 at 11:03 +0000, Chris Wilson wrote:
> On Mon, Feb 09, 2015 at 10:26:33AM +0530, Akash Goel wrote:
> > On Fri, 2015-02-06 at 15:43 +0000, Chris Wilson wrote:
> > > On Fri, Feb 06, 2015 at 08:26:35PM +0530, akash.goel@xxxxxxxxx wrote:
> > > > From: Akash Goel <akash.goel@xxxxxxxxx>
> > > > 
> > > > RP Interrupt Up/Down Frequency Limits register (A014) definition
> > > > has changed for SKL. Updated the gen6_rps_limits function as per that
> > > > 
> > > > Signed-off-by: Akash Goel <akash.goel@xxxxxxxxx>
> > > > ---
> > > >  drivers/gpu/drm/i915/intel_pm.c | 16 +++++++++++-----
> > > >  1 file changed, 11 insertions(+), 5 deletions(-)
> > > > 
> > > > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> > > > index 215b200..db24b48 100644
> > > > --- a/drivers/gpu/drm/i915/intel_pm.c
> > > > +++ b/drivers/gpu/drm/i915/intel_pm.c
> > > > @@ -3623,7 +3623,7 @@ static void ironlake_disable_drps(struct drm_device *dev)
> > > >   * ourselves, instead of doing a rmw cycle (which might result in us clearing
> > > >   * all limits and the gpu stuck at whatever frequency it is at atm).
> > > >   */
> > > > -static u32 gen6_rps_limits(struct drm_i915_private *dev_priv, u8 val)
> > > > +static u32 get_rps_limits(struct drm_i915_private *dev_priv, u8 val)
> > > 
> > > Spurious name change, it doesn't seem to add anything or clear up any
> > > confusion with vlv.
> > Fine will keep the original name, thought would be better to give a
> > generic name to the function and abstract the platform specific
> > differences inside its definition. 
> 
> Generic would be intel_rps_limits(). I am wary of using get(), the
> common idiom is for a getter to return ownership as well, e.g.
> kref_get(), intel_uncore_forcewake_get(). Also outside of trivial getters
> and setters, get is such a generic verb that I don't think it adds much
> self-documentating value, especially when breaking established patterns.

Understood, using get() is a misnomer & would be inconsistent with the
existing naming patterns. Will rename it to 'intel_rps_limits'. Thanks
for the clarification.

> -Chris
> 


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