diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index 7248d60bbf0b..169eb61e22ea 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -400,6 +400,9 @@ intel_tc_port_get_pin_assignment(struct intel_digital_port *dig_port)
 {
 	struct intel_tc_port *tc = to_tc_port(dig_port);
 
+	if (!intel_encoder_is_tc(&dig_port->base))
+		return INTEL_TC_PIN_ASSIGNMENT_NONE;
+
 	return get_pin_assignment(tc);
 }