[PATCH v3 4/7] drm/i915: utilize subconnector property for DP

[Ville Syrjälä]

On Mon, Aug 26, 2019 at 04:22:13PM +0300, Oleg Vasilev wrote:
> 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
> 
> Reviewed-by: Emil Velikov <emil.velikov at collabora.com>
> Tested-by: Oleg Vasilev <oleg.vasilev at intel.com>
> Signed-off-by: Oleg Vasilev <oleg.vasilev at intel.com>
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Cc: intel-gfx at lists.freedesktop.org
> ---
>  drivers/gpu/drm/i915/display/intel_dp.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index 6da6a4859f06..9c97ece803eb 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -5434,6 +5434,10 @@ intel_dp_detect(struct drm_connector *connector,
>  	if (status != connector_status_connected && !intel_dp->is_mst)
>  		intel_dp_unset_edid(intel_dp);
>  
> +	drm_dp_set_subconnector_property(connector,
> +					 status,
> +					 intel_dp->dpcd,
> +					 intel_dp->downstream_ports);
>  	return status;
>  }
>  
> @@ -6332,6 +6336,8 @@ 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;
>  
> +	drm_mode_add_dp_subconnector_property(connector);

Maybe skip this for eDP?

> +
>  	if (!IS_G4X(dev_priv) && port != PORT_A)
>  		intel_attach_force_audio_property(connector);
>  
> -- 
> 2.23.0

-- 
Ville Syrjälä
Intel