drm/doc: Add kerneldoc for @index

Was forgotten when adding them all over. 0-day should complain about
new missing kernel-doc, not sure why that wasn't caught/fixed.

v2: Clarify that @index is invariant, as discussed with Chris Wilson.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1468612088-9721-2-git-send-email-daniel.vetter@ffwll.ch

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 6b9df11..f60d34a 100644 (file)
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -782,7 +782,10 @@ struct drm_crtc {
        struct drm_plane *primary;
        struct drm_plane *cursor;
 
-       /* position inside the mode_config.list, can be used as a [] idx */
+       /**
+        * @index: Position inside the mode_config.list, can be used as an array
+        * index. It is invariant over the lifetime of the CRTC.
+        */
        unsigned index;
 
        /* position of cursor plane on crtc */
@@ -1209,7 +1212,10 @@ struct drm_encoder {
        char *name;
        int encoder_type;
 
-       /* position inside the mode_config.list, can be used as a [] idx */
+       /**
+        * @index: Position inside the mode_config.list, can be used as an array
+        * index. It is invariant over the lifetime of the encoder.
+        */
        unsigned index;
 
        uint32_t possible_crtcs;
@@ -1710,7 +1716,10 @@ struct drm_plane {
 
        enum drm_plane_type type;
 
-       /* position inside the mode_config.list, can be used as a [] idx */
+       /**
+        * @index: Position inside the mode_config.list, can be used as an array
+        * index. It is invariant over the lifetime of the plane.
+        */
        unsigned index;
 
        const struct drm_plane_helper_funcs *helper_private;
@@ -2318,8 +2327,6 @@ struct drm_mode_config_funcs {
  * @fb_lock: mutex to protect fb state and lists
  * @num_fb: number of fbs available
  * @fb_list: list of framebuffers available
- * @num_connector: number of connectors on this device
- * @connector_list: list of connector objects
  * @num_encoder: number of encoders on this device
  * @encoder_list: list of encoder objects
  * @num_overlay_plane: number of overlay planes on this device
@@ -2394,8 +2401,17 @@ struct drm_mode_config {
        int num_fb;
        struct list_head fb_list;
 
+       /**
+        * @num_connector: Number of connectors on this device.
+        */
        int num_connector;
+       /**
+        * @connector_ida: ID allocator for connector indices.
+        */
        struct ida connector_ida;
+       /**
+        * @connector_list: List of connector objects.
+        */
        struct list_head connector_list;
        int num_encoder;
        struct list_head encoder_list;