ABACI reported the following bug by code static scanning: drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c:367:20: warning: unused function 'dsi_update_bits'. In the following kernel version: name: linux-next url: http://kernel.source.codeaurora.cn/pub/scm/linux/kernel/git/next/linux-next.git branch: next-20220912 commit: 044b771be9c5de9d817dfafb829d2f049c71c3b4
submitted to upstream: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=3daf391fee830f2343cc6b1ba131b1b5115dea1f