drm/i915/hdcp: Refactor intel_dp_hdcp2_capable

Break intel_dp_hdcp2_capable so that the common the code can be
reused for the remote capability check.
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240223081453.1576918-5-suraj.kandpal@intel.com

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

@@ -640,11 +640,9 @@ int intel_dp_hdcp2_check_link(struct intel_digital_port *dig_port,
 }
 
 static
-int intel_dp_hdcp2_capable(struct intel_connector *connector,
-			   bool *capable)
+int _intel_dp_hdcp2_capable(struct drm_dp_aux *aux,
+			    bool *capable)
 {
-	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
-	struct drm_dp_aux *aux = &dig_port->dp.aux;
 	u8 rx_caps[3];
 	int ret;
 
@@ -662,6 +660,16 @@ int intel_dp_hdcp2_capable(struct intel_connector *connector,
 	return 0;
 }
 
+static
+int intel_dp_hdcp2_capable(struct intel_connector *connector,
+			   bool *capable)
+{
+	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
+	struct drm_dp_aux *aux = &dig_port->dp.aux;
+
+	return _intel_dp_hdcp2_capable(aux, capable);
+}
+
 static const struct intel_hdcp_shim intel_dp_hdcp_shim = {
 	.write_an_aksv = intel_dp_hdcp_write_an_aksv,
 	.read_bksv = intel_dp_hdcp_read_bksv,