From ICL onwards DDI/TypeC ports - even in HDMI static mode - need to know
which AUX CH belongs to them, so initialize aux_ch for those ports too.
For consistency do this for all HDMI ports, not only for DDI/TypeC ones.
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181101140427.31026-4-imre.deak@intel.com
                        (DDI_BUF_PORT_REVERSAL | DDI_A_4_LANES);
        intel_dig_port->dp.output_reg = INVALID_MMIO_REG;
        intel_dig_port->max_lanes = intel_ddi_max_lanes(intel_dig_port);
+       intel_dig_port->aux_ch = intel_aux_ch(dev_priv, port);
 
        switch (port) {
        case PORT_A:
 
        struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
        struct intel_encoder *encoder = &dig_port->base;
 
-       dig_port->aux_ch = intel_aux_ch(dev_priv, encoder->port);
        intel_dp->aux_power_domain = intel_aux_power_domain(intel_dp);
 
        if (INTEL_GEN(dev_priv) >= 9) {
        if (port != PORT_A)
                intel_infoframe_init(intel_dig_port);
 
+       intel_dig_port->aux_ch = intel_aux_ch(dev_priv, port);
        if (!intel_dp_init_connector(intel_dig_port, intel_connector))
                goto err_init_connector;
 
 
 
        intel_infoframe_init(intel_dig_port);
 
+       intel_dig_port->aux_ch = intel_aux_ch(dev_priv, port);
        intel_hdmi_init_connector(intel_dig_port, intel_connector);
 }