ufx_handle_damage
ufx_handle_damage(dev, 0, 0, info->var.xres, info->var.yres);
ufx_handle_damage(dev, 0, start, info->var.xres, lines);
ufx_handle_damage(dev, x, y, width, height);
ufx_handle_damage(dev, x, y, width, height);
ufx_handle_damage(dev, area->x, area->y, area->w, area->h);