From: Ville Syrj?l? <ville.syrjala at linux.intel.com> Signed-off-by: Ville Syrj?l? <ville.syrjala at linux.intel.com> --- drivers/gpu/drm/drm_crtc.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index f00ba75..f1f11e1 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -795,6 +795,21 @@ 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 an 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, @@ -843,6 +858,13 @@ int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, } EXPORT_SYMBOL(drm_plane_init); +/** + * drm_plane_cleanup - Cleans up the core plane usage. + * @plane: plane to cleanup + * + * Cleanup @plane. Removes from drm modesetting space + * does NOT free object, caller does that. + */ void drm_plane_cleanup(struct drm_plane *plane) { struct drm_device *dev = plane->dev; @@ -859,6 +881,15 @@ 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; -- 1.8.1.5