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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-11-01 14:45:17 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-11-28 20:26:52 +1000 |
| commit | d0ddc0338af8265e65bd5e4ca72e3d8e61e41d8d (patch) | |
| tree | 05ca94f9d25b1eee29abbc5e2259c14c264a80c1 /drivers/gpu/drm/drm_fb_helper.c | |
| parent | 0d4ed4c8f937a0b1aa1cb60e16a41e2f7b0123ca (diff) | |
| download | lwn-d0ddc0338af8265e65bd5e4ca72e3d8e61e41d8d.tar.gz lwn-d0ddc0338af8265e65bd5e4ca72e3d8e61e41d8d.zip | |
drm/doc: integrate fb helper reference into docs
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.
v2: Fixup spelling fail.
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_fb_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_fb_helper.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 2c44af691e98..05e623a5d095 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -45,6 +45,15 @@ 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. + */ + /* simple single crtc case helper function */ int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper) { @@ -1302,12 +1311,14 @@ out: /** * 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 the 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. * @@ -1341,7 +1352,7 @@ 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: |