[Intel-gfx] [PATCH 2/5] drm/i915: utilize subconnector property for DP

[Jeevan B]

On 2020-04-15 at 13:01:59 +0300, Jani Nikula wrote:
> On Tue, 07 Apr 2020, Jeevan B <jeevan.b at intel.com> wrote:
> > From: Oleg Vasilev <oleg.vasilev at intel.com>
> >
> > Since DP-specific information is stored in driver's structures, every
> > driver needs to implement subconnector property by itself.
> >
> > v2: updates to match previous commit changes
> >
> > v3: rebase
> >
> > Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > Cc: intel-gfx at lists.freedesktop.org
> > Signed-off-by: Jeevan B <jeevan.b at intel.com>
> > Signed-off-by: Oleg Vasilev <oleg.vasilev at intel.com>
> > Reviewed-by: Emil Velikov <emil.velikov at collabora.com>
> > Tested-by: Oleg Vasilev <oleg.vasilev at intel.com>
> > Link: https://patchwork.freedesktop.org/patch/msgid/20190829114854.1539-4-oleg.vasilev@intel.com
> 
> You're not supposed to add the Link: tag yourself.
I will do the necessary change. 
> 
> Reviewed-by: Jani Nikula <jani.nikula at intel.com>
Thanks
Jeevan B
> 
>
> > ---
> >  drivers/gpu/drm/i915/display/intel_dp.c | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> > index db6ae8e..ba443e1 100644
> > --- a/drivers/gpu/drm/i915/display/intel_dp.c
> > +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> > @@ -6155,6 +6155,11 @@ intel_dp_detect(struct drm_connector *connector,
> >  	 */
> >  	intel_display_power_flush_work(dev_priv);
> >  
> > +	if (!intel_dp_is_edp(intel_dp))
> > +		drm_dp_set_subconnector_property(connector,
> > +						 status,
> > +						 intel_dp->dpcd,
> > +						 intel_dp->downstream_ports);
> >  	return status;
> >  }
> >  
> > @@ -7211,6 +7216,9 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
> >  	struct drm_i915_private *dev_priv = to_i915(connector->dev);
> >  	enum port port = dp_to_dig_port(intel_dp)->base.port;
> >  
> > +	if (!intel_dp_is_edp(intel_dp))
> > +		drm_mode_add_dp_subconnector_property(connector);
> > +
> >  	if (!IS_G4X(dev_priv) && port != PORT_A)
> >  		intel_attach_force_audio_property(connector);
> 
> -- 
> Jani Nikula, Intel Open Source Graphics Center