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drm: Add kernel-doc for plane functions 

v2: Follow the drm_crtc documentation fixes

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
This commit is contained in:
Ville Syrjälä 2013-06-05 15:39:56 +03:00 committed by Dave Airlie
parent 3858bc5d53
commit 35f2c3ae76
1 changed files with 32 additions and 0 deletions
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32
drivers/gpu/drm/drm_crtc.c
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@ -819,6 +819,21 @@ void drm_encoder_cleanup(struct drm_encoder *encoder)
}
EXPORT_SYMBOL(drm_encoder_cleanup);
/**
* drm_plane_init - Initialise a new plane object
* @dev: DRM device
* @plane: plane object to init
* @possible_crtcs: bitmask of possible CRTCs
* @funcs: callbacks for the new plane
* @formats: array of supported formats (%DRM_FORMAT_*)
* @format_count: number of elements in @formats
* @priv: plane is private (hidden from userspace)?
*
* Inits a new object created as base part of a driver plane object.
*
* RETURNS:
* Zero on success, error code on failure.
*/
int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
unsigned long possible_crtcs,
const struct drm_plane_funcs *funcs,
@ -867,6 +882,14 @@ int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
}
EXPORT_SYMBOL(drm_plane_init);
/**
* drm_plane_cleanup - Clean up the core plane usage
* @plane: plane to cleanup
*
* This function cleans up @plane and removes it from the DRM mode setting
* core. Note that the function does *not* free the plane structure itself,
* this is the responsibility of the caller.
*/
void drm_plane_cleanup(struct drm_plane *plane)
{
struct drm_device *dev = plane->dev;
@ -883,6 +906,15 @@ void drm_plane_cleanup(struct drm_plane *plane)
}
EXPORT_SYMBOL(drm_plane_cleanup);
/**
* drm_plane_force_disable - Forcibly disable a plane
* @plane: plane to disable
*
* Forces the plane to be disabled.
*
* Used when the plane's current framebuffer is destroyed,
* and when restoring fbdev mode.
*/
void drm_plane_force_disable(struct drm_plane *plane)
{
int ret;