+void vmw_kms_del_active(struct vmw_private *dev_priv,
+ struct vmw_display_unit *du);
+void vmw_kms_add_active(struct vmw_private *dev_priv,
+ struct vmw_display_unit *du,
+ struct vmw_framebuffer *vfb);
+bool vmw_kms_crtc_flippable(struct vmw_private *dev_priv,
+ struct drm_crtc *crtc);
+void vmw_kms_update_implicit_fb(struct vmw_private *dev_priv,
+ struct drm_crtc *crtc);
+void vmw_kms_create_implicit_placement_property(struct vmw_private *dev_priv,
+ bool immutable);
+