Hi "jason-jh.lin", Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm/drm-next] [also build test WARNING on robh/for-next krzk/for-next linus/master v5.18-rc2 next-20220414] [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/intel-lab-lkp/linux/commits/jason-jh-lin/Add-Mediatek-Soc-DRM-vdosys0-support-for-mt8195/20220412-183359 base: git://anongit.freedesktop.org/drm/drm drm-next config: arm64-buildonly-randconfig-r001-20220413 (https://download.01.org/0day-ci/archive/20220414/202204142333.qXgcGMI1-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 6b7e6ea489f6dd45a9b0da9ac20871560917b9b0) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/7c175317aa80bbc885609a730214448147a46b47 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review jason-jh-lin/Add-Mediatek-Soc-DRM-vdosys0-support-for-mt8195/20220412-183359 git checkout 7c175317aa80bbc885609a730214448147a46b47 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/drm/mediatek/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/gpu/drm/mediatek/mtk_drm_drv.c:707:15: warning: cast to smaller integer type 'enum mtk_ddp_comp_type' from 'const void *' [-Wvoid-pointer-to-enum-cast] comp_type = (enum mtk_ddp_comp_type)of_id->data; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/mediatek/mtk_drm_drv.c:203:42: warning: unused variable 'mt2701_mmsys_match_data' [-Wunused-const-variable] static const struct mtk_mmsys_match_data mt2701_mmsys_match_data = { ^ >> drivers/gpu/drm/mediatek/mtk_drm_drv.c:218:42: warning: unused variable 'mt7623_mmsys_match_data' [-Wunused-const-variable] static const struct mtk_mmsys_match_data mt7623_mmsys_match_data = { ^ >> drivers/gpu/drm/mediatek/mtk_drm_drv.c:234:42: warning: unused variable 'mt2712_mmsys_match_data' [-Wunused-const-variable] static const struct mtk_mmsys_match_data mt2712_mmsys_match_data = { ^ >> drivers/gpu/drm/mediatek/mtk_drm_drv.c:246:42: warning: unused variable 'mt8167_mmsys_match_data' [-Wunused-const-variable] static const struct mtk_mmsys_match_data mt8167_mmsys_match_data = { ^ >> drivers/gpu/drm/mediatek/mtk_drm_drv.c:260:42: warning: unused variable 'mt8173_mmsys_match_data' [-Wunused-const-variable] static const struct mtk_mmsys_match_data mt8173_mmsys_match_data = { ^ >> drivers/gpu/drm/mediatek/mtk_drm_drv.c:274:42: warning: unused variable 'mt8183_mmsys_match_data' [-Wunused-const-variable] static const struct mtk_mmsys_match_data mt8183_mmsys_match_data = { ^ >> drivers/gpu/drm/mediatek/mtk_drm_drv.c:288:42: warning: unused variable 'mt8192_mmsys_match_data' [-Wunused-const-variable] static const struct mtk_mmsys_match_data mt8192_mmsys_match_data = { ^ >> drivers/gpu/drm/mediatek/mtk_drm_drv.c:305:42: warning: unused variable 'mt8195_mmsys_match_data' [-Wunused-const-variable] static const struct mtk_mmsys_match_data mt8195_mmsys_match_data = { ^ 9 warnings generated. vim +/mt2701_mmsys_match_data +203 drivers/gpu/drm/mediatek/mtk_drm_drv.c 202 > 203 static const struct mtk_mmsys_match_data mt2701_mmsys_match_data = { 204 .num_drv_data = 1, 205 .drv_data = { 206 &mt2701_mmsys_driver_data, 207 }, 208 }; 209 210 static const struct mtk_mmsys_driver_data mt7623_mmsys_driver_data = { 211 .main_path = mt7623_mtk_ddp_main, 212 .main_len = ARRAY_SIZE(mt7623_mtk_ddp_main), 213 .ext_path = mt7623_mtk_ddp_ext, 214 .ext_len = ARRAY_SIZE(mt7623_mtk_ddp_ext), 215 .shadow_register = true, 216 }; 217 > 218 static const struct mtk_mmsys_match_data mt7623_mmsys_match_data = { 219 .num_drv_data = 1, 220 .drv_data = { 221 &mt7623_mmsys_driver_data, 222 }, 223 }; 224 225 static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = { 226 .main_path = mt2712_mtk_ddp_main, 227 .main_len = ARRAY_SIZE(mt2712_mtk_ddp_main), 228 .ext_path = mt2712_mtk_ddp_ext, 229 .ext_len = ARRAY_SIZE(mt2712_mtk_ddp_ext), 230 .third_path = mt2712_mtk_ddp_third, 231 .third_len = ARRAY_SIZE(mt2712_mtk_ddp_third), 232 }; 233 > 234 static const struct mtk_mmsys_match_data mt2712_mmsys_match_data = { 235 .num_drv_data = 1, 236 .drv_data = { 237 &mt2712_mmsys_driver_data, 238 }, 239 }; 240 241 static const struct mtk_mmsys_driver_data mt8167_mmsys_driver_data = { 242 .main_path = mt8167_mtk_ddp_main, 243 .main_len = ARRAY_SIZE(mt8167_mtk_ddp_main), 244 }; 245 > 246 static const struct mtk_mmsys_match_data mt8167_mmsys_match_data = { 247 .num_drv_data = 1, 248 .drv_data = { 249 &mt8167_mmsys_driver_data, 250 }, 251 }; 252 253 static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = { 254 .main_path = mt8173_mtk_ddp_main, 255 .main_len = ARRAY_SIZE(mt8173_mtk_ddp_main), 256 .ext_path = mt8173_mtk_ddp_ext, 257 .ext_len = ARRAY_SIZE(mt8173_mtk_ddp_ext), 258 }; 259 > 260 static const struct mtk_mmsys_match_data mt8173_mmsys_match_data = { 261 .num_drv_data = 1, 262 .drv_data = { 263 &mt8173_mmsys_driver_data, 264 }, 265 }; 266 267 static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = { 268 .main_path = mt8183_mtk_ddp_main, 269 .main_len = ARRAY_SIZE(mt8183_mtk_ddp_main), 270 .ext_path = mt8183_mtk_ddp_ext, 271 .ext_len = ARRAY_SIZE(mt8183_mtk_ddp_ext), 272 }; 273 > 274 static const struct mtk_mmsys_match_data mt8183_mmsys_match_data = { 275 .num_drv_data = 1, 276 .drv_data = { 277 &mt8183_mmsys_driver_data, 278 }, 279 }; 280 281 static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = { 282 .main_path = mt8192_mtk_ddp_main, 283 .main_len = ARRAY_SIZE(mt8192_mtk_ddp_main), 284 .ext_path = mt8192_mtk_ddp_ext, 285 .ext_len = ARRAY_SIZE(mt8192_mtk_ddp_ext), 286 }; 287 > 288 static const struct mtk_mmsys_match_data mt8192_mmsys_match_data = { 289 .num_drv_data = 1, 290 .drv_data = { 291 &mt8192_mmsys_driver_data, 292 }, 293 }; 294 295 static const struct mtk_mmsys_driver_data mt8195_vdosys0_driver_data = { 296 .io_start = 0x1c01a000, 297 .main_path = mt8195_mtk_ddp_main, 298 .main_len = ARRAY_SIZE(mt8195_mtk_ddp_main), 299 }; 300 301 static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = { 302 .io_start = 0x1c100000, 303 }; 304 > 305 static const struct mtk_mmsys_match_data mt8195_mmsys_match_data = { 306 .num_drv_data = 1, 307 .drv_data = { 308 &mt8195_vdosys0_driver_data, 309 &mt8195_vdosys1_driver_data, 310 }, 311 }; 312 -- 0-DAY CI Kernel Test Service https://01.org/lkp
