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-rw-r--r--include/drm/drm_connector.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 714d1a01c065..1647960c9e50 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -848,6 +848,11 @@ struct drm_connector_funcs {
* locks to avoid races with concurrent modeset changes need to use
* &drm_connector_helper_funcs.detect_ctx instead.
*
+ * Also note that this callback can be called no matter the
+ * state the connector is in. Drivers that need the underlying
+ * device to be powered to perform the detection will first need
+ * to make sure it's been properly enabled.
+ *
* RETURNS:
*
* drm_connector_status indicating the connector's status.
@@ -1735,6 +1740,11 @@ void drm_mode_put_tile_group(struct drm_device *dev,
* drm_connector_list_iter_begin(), drm_connector_list_iter_end() and
* drm_connector_list_iter_next() respectively the convenience macro
* drm_for_each_connector_iter().
+ *
+ * Note that the return value of drm_connector_list_iter_next() is only valid
+ * up to the next drm_connector_list_iter_next() or
+ * drm_connector_list_iter_end() call. If you want to use the connector later,
+ * then you need to grab your own reference first using drm_connector_get().
*/
struct drm_connector_list_iter {
/* private: */