46 static mut CLASS_GRAPHICS_INSTANCE: Option<Arc<GraphicsClass>> = None;
56 pub fn sys_class_graphics_instance() -> Option<&'static Arc<GraphicsClass>> {  in sys_class_graphics_instance()
104     fn dev_kobj(&self) -> Option<Arc<dyn KObject>> {  in dev_kobj()
126     registered_fbs: [Option<Arc<dyn FrameBuffer>>; FrameBufferManager::FB_MAX],
185     pub fn find_fb_by_id(&self, id: FbId) -> Result<Option<Arc<dyn FrameBuffer>>, SystemError> {  in find_fb_by_id()
194     fn generate_fb_id(&self) -> Option<FbId> {  in generate_fb_id()
242     pub fn framebuffer(&self) -> Option<Arc<dyn FrameBuffer>> {  in framebuffer()
270     device_inode_fs: Option<Weak<DevFS>>,
279     fn set_inode(&self, inode: Option<Arc<KernFSInode>>) {  in set_inode()
283     fn inode(&self) -> Option<Arc<KernFSInode>> {  in inode()
287     fn parent(&self) -> Option<Weak<dyn KObject>> {  in parent()
291     fn set_parent(&self, parent: Option<Weak<dyn KObject>>) {  in set_parent()
295     fn kset(&self) -> Option<Arc<KSet>> {  in kset()
299     fn set_kset(&self, kset: Option<Arc<KSet>>) {  in set_kset()
303     fn kobj_type(&self) -> Option<&'static dyn KObjType> {  in kobj_type()
307     fn set_kobj_type(&self, ktype: Option<&'static dyn KObjType>) {  in set_kobj_type()
341     fn set_bus(&self, _bus: Option<Weak<dyn Bus>>) {  in set_bus()
345     fn class(&self) -> Option<Arc<dyn Class>> {  in class()
348     fn set_class(&self, _class: Option<Weak<dyn Class>>) {  in set_class()
352     fn driver(&self) -> Option<Arc<dyn Driver>> {  in driver()
356     fn set_driver(&self, _driver: Option<Weak<dyn Driver>>) {  in set_driver()
376     fn attribute_groups(&self) -> Option<&'static [&'static dyn AttributeGroup]> {  in attribute_groups()
380     fn dev_parent(&self) -> Option<Weak<dyn Device>> {  in dev_parent()
384     fn set_dev_parent(&self, dev_parent: Option<Weak<dyn Device>>) {  in set_dev_parent()