diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index c8857e6..efcde2c 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -509,6 +509,7 @@
 
 /**
  * struct drm_dp_aux - DisplayPort AUX channel
+ * @name: user-visible name of this AUX channel and the I2C-over-AUX adapter
  * @ddc: I2C adapter that can be used for I2C-over-AUX communication
  * @dev: pointer to struct device that is the parent for this AUX channel
  * @transfer: transfers a message representing a single AUX transaction