[PATCH v2 5/7] drm/i915: stop using is_pch_edp() in is_cpu_edp()

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On Fri, 2013-05-10 at 10:49 +0200, Daniel Vetter wrote:
> On Wed, May 08, 2013 at 01:14:06PM +0300, Imre Deak wrote:
> > is_pch_edp() will be removed by the next patch, so replace it by a check
> > for the port and device type.
> > 
> > Signed-off-by: Imre Deak <imre.deak at intel.com>
> > ---
> >  drivers/gpu/drm/i915/intel_dp.c |   17 +++++++++++------
> >  1 file changed, 11 insertions(+), 6 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> > index 42c11dd..38b9cd2 100644
> > --- a/drivers/gpu/drm/i915/intel_dp.c
> > +++ b/drivers/gpu/drm/i915/intel_dp.c
> > @@ -65,6 +65,13 @@ static bool is_pch_edp(struct intel_dp *intel_dp)
> >  	return intel_dp->is_pch_edp;
> >  }
> >  
> > +static struct drm_device *intel_dp_to_dev(struct intel_dp *intel_dp)
> > +{
> > +	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
> > +
> > +	return intel_dig_port->base.base.dev;
> > +}
> > +
> >  /**
> >   * is_cpu_edp - is the port on the CPU and attached to an eDP panel?
> >   * @intel_dp: DP struct
> > @@ -73,14 +80,12 @@ static bool is_pch_edp(struct intel_dp *intel_dp)
> >   */
> >  static bool is_cpu_edp(struct intel_dp *intel_dp)
> >  {
> > -	return is_edp(intel_dp) && !is_pch_edp(intel_dp);
> > -}
> > -
> > -static struct drm_device *intel_dp_to_dev(struct intel_dp *intel_dp)
> > -{
> > +	struct drm_device *dev = intel_dp_to_dev(intel_dp);
> >  	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
> > +	enum port port = intel_dig_port->port;
> >  
> > -	return intel_dig_port->base.base.dev;
> > +	return is_edp(intel_dp) &&
> > +		(port == PORT_A || (port == PORT_C && IS_VALLEYVIEW(dev)));
> 
> Valleyview is a giant mess here, I guess we should split the vlv case
> from the pch_split cpu edp case. Maybe just check for port A in relevant
> cases and factor out vlv cases completely.
> 
> My bet is that this massive confusion is the reason that vlv dp (i.e.
> non-edp) is totally broken atm.

Could we do that as a follow-up to this? That work would have also the
benefit of removing is_cpu_edp() as you hoped earlier, so it could stand
on its own..

--Imre



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