[PATCH 3/4] drm/doc: integrate fb helper reference into docs

[Daniel Vetter]

Again only minimal changes to make kerneldoc no longer shout. Plus a
little introduction in the form of a inline DOC: section to quickly
explain what this is all about.

Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 Documentation/DocBook/drm.tmpl  |  5 +++++
 drivers/gpu/drm/drm_fb_helper.c | 19 ++++++++++++++-----
 2 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 43e706e..15729eb 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -2110,6 +2110,11 @@ void intel_crt_init(struct drm_device *dev)
       <title>Modeset Helper Functions Reference</title>
 !Edrivers/gpu/drm/drm_crtc_helper.c
     </sect2>
+    <sect2>
+      <title>fbdev Helper Functions Reference</title>
+!Pdrivers/gpu/drm/drm_fb_helper.c fbdev helpers
+!Edrivers/gpu/drm/drm_fb_helper.c
+    </sect2>
   </sect1>
 
   <!-- Internals: vertical blanking -->
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 4d58d7e..b6e9893 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -41,7 +41,14 @@ MODULE_AUTHOR("David Airlie, Jesse Barnes");
 MODULE_DESCRIPTION("DRM KMS helper");
 MODULE_LICENSE("GPL and additional rights");
 
-static LIST_HEAD(kernel_fb_helper_list);
+/**
+ * DOC: fbdev helpers
+ *
+ * The fb helper functions are useful to provide an fbdev on top of a drm kernel
+ * mode setting driver. They can be used mostly independantely from the crtc
+ * helper functions used by many drivers to implement the kernel mode setting
+ * interfaces.  static LIST_HEAD(kernel_fb_helper_list).
+ */
 
 /* simple single crtc case helper function */
 int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper)
@@ -1291,12 +1298,14 @@ static void drm_setup_crtcs(struct drm_fb_helper *fb_helper)
 
 /**
  * drm_helper_initial_config - setup a sane initial connector configuration
- * @dev: DRM device
+ * @fb_helper: fb_helper device struct
+ * @bpp_sel: bpp value to use for the framebuffer configuration
  *
  * LOCKING:
- * Called at init time, must take mode config lock.
+ * Called at init time by the driver to set up the @fb_helper initial
+ * configuration, must take mode config lock.
  *
- * Scan the CRTCs and connectors and try to put together an initial setup.
+ * Scans the CRTCs and connectors and tries to put together an initial setup.
  * At the moment, this is a cloned configuration across all heads with
  * a new framebuffer object as the backing store.
  *
@@ -1330,7 +1339,7 @@ EXPORT_SYMBOL(drm_fb_helper_initial_config);
 
 /**
  * drm_fb_helper_hotplug_event - respond to a hotplug notification by
- *                               probing all the outputs attached to the fb.
+ *                               probing all the outputs attached to the fb
  * @fb_helper: the drm_fb_helper
  *
  * LOCKING:
-- 
1.7.11.7