[Intel-gfx] [PATCH 2/2] drm/i915: add MISSING_CASE to a few port/aux power domain helpers

[Imre Deak]

On Wed, 2015-11-18 at 15:34 +0100, Patrik Jakobsson wrote:
> On Wed, Nov 18, 2015 at 03:57:25PM +0200, Imre Deak wrote:
> > MISSING_CASE() would have been useful to track down a recent
> > problem in
> > intel_display_port_aux_power_domain(), so add it there and a few
> > related
> > helpers. This was also suggested by Ville in his review of the
> > latest
> > DMC/DC changes, we forgot to address that.
> > 
> > Signed-off-by: Imre Deak <imre.deak at intel.com>
> 
> Reviewed-by: Patrik Jakobsson <patrik.jakobsson at linux.intel.com>

Pushed both patches to dinq, thanks for the review.

> > ---
> >  drivers/gpu/drm/i915/intel_display.c | 6 +++---
> >  1 file changed, 3 insertions(+), 3 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_display.c
> > b/drivers/gpu/drm/i915/intel_display.c
> > index cdc1761..b3d0557 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -5166,7 +5166,7 @@ static enum intel_display_power_domain
> > port_to_power_domain(enum port port)
> >  	case PORT_E:
> >  		return POWER_DOMAIN_PORT_DDI_E_LANES;
> >  	default:
> > -		WARN_ON_ONCE(1);
> > +		MISSING_CASE(port);
> >  		return POWER_DOMAIN_PORT_OTHER;
> >  	}
> >  }
> > @@ -5186,7 +5186,7 @@ static enum intel_display_power_domain
> > port_to_aux_power_domain(enum port port)
> >  		/* FIXME: Check VBT for actual wiring of PORT E */
> >  		return POWER_DOMAIN_AUX_D;
> >  	default:
> > -		WARN_ON_ONCE(1);
> > +		MISSING_CASE(port);
> >  		return POWER_DOMAIN_AUX_A;
> >  	}
> >  }
> > @@ -5247,7 +5247,7 @@ intel_display_port_aux_power_domain(struct
> > intel_encoder *intel_encoder)
> >  		intel_dig_port = enc_to_mst(&intel_encoder->base)-
> > >primary;
> >  		return port_to_aux_power_domain(intel_dig_port-
> > >port);
> >  	default:
> > -		WARN_ON_ONCE(1);
> > +		MISSING_CASE(intel_encoder->type);
> >  		return POWER_DOMAIN_AUX_A;
> >  	}
> >  }