[PATCH 5/5] drm/doc: Use new substruct support

[Daniel Vetter <daniel.vetter@ffwll.ch>]

Note: This is untested because the new stuff hasn't landed in upstream
yet. But it should work.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
---
 include/drm/drm_vblank.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/include/drm/drm_vblank.h b/include/drm/drm_vblank.h
index 16d46e2a6854..d25a9603ab57 100644
--- a/include/drm/drm_vblank.h
+++ b/include/drm/drm_vblank.h
@@ -55,8 +55,24 @@ struct drm_pending_vblank_event {
 	 * @event: Actual event which will be sent to userspace.
 	 */
 	union {
+		/**
+		 * @event.base: DRM event base class.
+		 */
 		struct drm_event base;
+
+		/**
+		 * @event.vbl:
+		 *
+		 * Event payload for vblank events, requested through
+		 * either the MODE_PAGE_FLIP or MODE_ATOMIC IOCTL. Also
+		 * generated by the legacy WAIT_VBLANK IOCTL, but new userspace
+		 * should use MODE_QUEUE_SEQUENCE and &event.seq instead.
+		 */
 		struct drm_event_vblank vbl;
+
+		/**
+		 * @event.seq: Event payload for the MODE_QUEUEU_SEQUENCE IOCTL.
+		 */
 		struct drm_event_crtc_sequence seq;
 	} event;
 };
-- 
2.15.1

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