drm: add comments for drm_encoder_funcs

Just basic verbiage.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 9014599791a5..7db2ce52c5a4 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -437,6 +437,13 @@ struct drm_connector_funcs {
         void (*force)(struct drm_connector *connector);
 };
 
+/**
+ * drm_encoder_funcs - encoder controls
+ * @reset: reset state (e.g. at init or resume time)
+ * @destroy: cleanup and free associated data
+ *
+ * Encoders sit between CRTCs and connectors.
+ */
 struct drm_encoder_funcs {
         void (*reset)(struct drm_encoder *encoder);
         void (*destroy)(struct drm_encoder *encoder);