Hi Yongqiang, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.14-rc5 next-20210810] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Yongqiang-Niu/drm-mediatek-add-s... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9e723c5380c6e14fb91a8b6950563d040674afdb config: arc-randconfig-r043-20210810 (attached as .config) compiler: arceb-elf-gcc (GCC) 10.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/5a11bb954f493e0c3d3dcd2f6d86abb8e... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Yongqiang-Niu/drm-mediatek-add-support-for-mediatek-SOC-MT8192/20210811-101315 git checkout 5a11bb954f493e0c3d3dcd2f6d86abb8e11028a6 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash drivers/soc/mediatek/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): 235 | [DDP_COMPONENT_POSTMASK0] = MT8192_MUTEX_MOD_DISP_POSTMASK0, | ^~~~~~~~~~~~~~~~~~~~~~~ | DDP_COMPONENT_WDMA0 drivers/soc/mediatek/mtk-mutex.c:235:3: note: (near initialization for 'mt8192_mutex_mod') 238 | [DDP_COMPONENT_OVL_2L2] = MT8192_MUTEX_MOD_DISP_OVL2_2L, | ^~~~~~~~~~~~~~~~~~~~~ | DDP_COMPONENT_OVL_2L1 drivers/soc/mediatek/mtk-mutex.c:238:3: error: array index in initializer not of integer type drivers/soc/mediatek/mtk-mutex.c:238:3: note: (near initialization for 'mt8192_mutex_mod') 240 | [DDP_COMPONENT_RDMA4] = MT8192_MUTEX_MOD_DISP_RDMA4, | ^~~~~~~~~~~~~~~~~~~ | DDP_COMPONENT_RDMA2 drivers/soc/mediatek/mtk-mutex.c:240:3: error: array index in initializer not of integer type drivers/soc/mediatek/mtk-mutex.c:240:3: note: (near initialization for 'mt8192_mutex_mod') vim +235 drivers/soc/mediatek/mtk-mutex.c 228 229 static const unsigned int mt8192_mutex_mod[DDP_COMPONENT_ID_MAX] = { 230 [DDP_COMPONENT_AAL0] = MT8192_MUTEX_MOD_DISP_AAL0, 231 [DDP_COMPONENT_CCORR] = MT8192_MUTEX_MOD_DISP_CCORR0, 232 [DDP_COMPONENT_COLOR0] = MT8192_MUTEX_MOD_DISP_COLOR0, 233 [DDP_COMPONENT_DITHER] = MT8192_MUTEX_MOD_DISP_DITHER0, 234 [DDP_COMPONENT_GAMMA] = MT8192_MUTEX_MOD_DISP_GAMMA0, 236 [DDP_COMPONENT_OVL0] = MT8192_MUTEX_MOD_DISP_OVL0, 237 [DDP_COMPONENT_OVL_2L0] = MT8192_MUTEX_MOD_DISP_OVL0_2L, 239 [DDP_COMPONENT_RDMA0] = MT8192_MUTEX_MOD_DISP_RDMA0, 241 }; 242 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org