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Diffstat (limited to 'include/drm/drm_modeset_helper_vtables.h')
-rw-r--r--include/drm/drm_modeset_helper_vtables.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
index d4619dc2eecb..4e7a53b12632 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -736,6 +736,11 @@ struct drm_connector_helper_funcs {
* inspect dynamic configuration state should instead use
* @atomic_best_encoder.
*
+ * You can leave this function to NULL if the connector is only
+ * attached to a single encoder and you are using the atomic helpers.
+ * In this case, the core will call drm_atomic_helper_best_encoder()
+ * for you.
+ *
* RETURNS:
*
* Encoder that should be used for the given connector and connector
@@ -752,8 +757,9 @@ struct drm_connector_helper_funcs {
* need to select the best encoder depending upon the desired
* configuration and can't select it statically.
*
- * This function is used by drm_atomic_helper_check_modeset() and either
- * this or @best_encoder is required.
+ * This function is used by drm_atomic_helper_check_modeset().
+ * If it is not implemented, the core will fallback to @best_encoder
+ * (or drm_atomic_helper_best_encoder() if @best_encoder is NULL).
*
* NOTE:
*