1 files changed, 8 insertions, 0 deletions
diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
index b3507f15d010..995c34d91ef1 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -162,6 +162,14 @@ struct drm_cmdline_mode {
 	enum drm_connector_force force;
 };
 
+/**
+ * drm_mode_is_stereo - check for stereo mode flags
+ * @mode: drm_display_mode to check
+ *
+ * Returns:
+ * True if the mode is one of the stereo modes (like side-by-side), false if
+ * not.
+ */
 static inline bool drm_mode_is_stereo(const struct drm_display_mode *mode)
 {
 	return mode->flags & DRM_MODE_FLAG_3D_MASK;