drm/i915/hdcp: Pass dig_port to intel_hdcp_init

Pass dig_port as an argument to intel_hdcp_init()
and intel_hdcp2_init().
This will be required for HDCP 2.2 stream encryption.

Cc: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Ramalingam C <ramalingam.c@intel.com>
Tested-by: Karthik B S <karthik.b.s@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210111081120.28417-11-anshuman.gupta@intel.com

drivers/gpu/drm/i915/display/intel_dp_hdcp.c

@@ -755,10 +755,10 @@ int intel_dp_init_hdcp(struct intel_digital_port *dig_port,
 		return 0;
 
 	if (intel_connector->mst_port)
-		return intel_hdcp_init(intel_connector, port,
+		return intel_hdcp_init(intel_connector, dig_port,
 				       &intel_dp_mst_hdcp_shim);
 	else if (!intel_dp_is_edp(intel_dp))
-		return intel_hdcp_init(intel_connector, port,
+		return intel_hdcp_init(intel_connector, dig_port,
 				       &intel_dp_hdcp_shim);
 
 	return 0;

drivers/gpu/drm/i915/display/intel_hdcp.c

@@ -1979,12 +1979,13 @@ static enum mei_fw_tc intel_get_mei_fw_tc(enum transcoder cpu_transcoder)
 }
 
 static int initialize_hdcp_port_data(struct intel_connector *connector,
-				     enum port port,
+				     struct intel_digital_port *dig_port,
 				     const struct intel_hdcp_shim *shim)
 {
 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
 	struct intel_hdcp *hdcp = &connector->hdcp;
 	struct hdcp_port_data *data = &hdcp->port_data;
+	enum port port = dig_port->base.port;
 
 	if (INTEL_GEN(dev_priv) < 12)
 		data->fw_ddi = intel_get_mei_fw_ddi_index(port);
@@ -2057,14 +2058,15 @@ void intel_hdcp_component_init(struct drm_i915_private *dev_priv)
 	}
 }
 
-static void intel_hdcp2_init(struct intel_connector *connector, enum port port,
+static void intel_hdcp2_init(struct intel_connector *connector,
+			     struct intel_digital_port *dig_port,
 			     const struct intel_hdcp_shim *shim)
 {
 	struct drm_i915_private *i915 = to_i915(connector->base.dev);
 	struct intel_hdcp *hdcp = &connector->hdcp;
 	int ret;
 
-	ret = initialize_hdcp_port_data(connector, port, shim);
+	ret = initialize_hdcp_port_data(connector, dig_port, shim);
 	if (ret) {
 		drm_dbg_kms(&i915->drm, "Mei hdcp data init failed\n");
 		return;
@@ -2074,7 +2076,7 @@ static void intel_hdcp2_init(struct intel_connector *connector, enum port port,
 }
 
 int intel_hdcp_init(struct intel_connector *connector,
-		    enum port port,
+		    struct intel_digital_port *dig_port,
 		    const struct intel_hdcp_shim *shim)
 {
 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
@@ -2085,7 +2087,7 @@ int intel_hdcp_init(struct intel_connector *connector,
 		return -EINVAL;
 
 	if (is_hdcp2_supported(dev_priv) && !connector->mst_port)
-		intel_hdcp2_init(connector, port, shim);
+		intel_hdcp2_init(connector, dig_port, shim);
 
 	ret =
 	drm_connector_attach_content_protection_property(&connector->base,

drivers/gpu/drm/i915/display/intel_hdcp.h

@@ -18,13 +18,15 @@ struct intel_connector;
 struct intel_crtc_state;
 struct intel_encoder;
 struct intel_hdcp_shim;
+struct intel_digital_port;
 enum port;
 enum transcoder;
 
 void intel_hdcp_atomic_check(struct drm_connector *connector,
 			     struct drm_connector_state *old_state,
 			     struct drm_connector_state *new_state);
-int intel_hdcp_init(struct intel_connector *connector, enum port port,
+int intel_hdcp_init(struct intel_connector *connector,
+		    struct intel_digital_port *dig_port,
 		    const struct intel_hdcp_shim *hdcp_shim);
 int intel_hdcp_enable(struct intel_connector *connector,
 		      const struct intel_crtc_state *pipe_config, u8 content_type);

drivers/gpu/drm/i915/display/intel_hdmi.c

@@ -3292,7 +3292,7 @@ void intel_hdmi_init_connector(struct intel_digital_port *dig_port,
 	intel_hdmi->attached_connector = intel_connector;
 
 	if (is_hdcp_supported(dev_priv, port)) {
-		int ret = intel_hdcp_init(intel_connector, port,
+		int ret = intel_hdcp_init(intel_connector, dig_port,
 					  &intel_hdmi_hdcp_shim);
 		if (ret)
 			drm_dbg_kms(&dev_priv->drm,