Hi AngeloGioacchino, kernel test robot noticed the following build errors: [auto build test ERROR on robh/for-next] [also build test ERROR on linus/master v6.13-rc6 next-20250109] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/AngeloGioacchino-Del-Regno/dt-bindings-display-mediatek-dpi-Add-MT8195-and-MT8188-compat/20250108-193136 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20250108112744.64686-3-angelogioacchino.delregno%40collabora.com patch subject: [PATCH v4 02/34] drm/mediatek: mtk_dpi: Add support for Pattern Generator in debugfs config: i386-buildonly-randconfig-003-20250109 (https://download.01.org/0day-ci/archive/20250109/202501092326.5Xw3bp4p-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250109/202501092326.5Xw3bp4p-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202501092326.5Xw3bp4p-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/gpu/drm/mediatek/mtk_dpi.c:22: In file included from include/drm/drm_atomic_helper.h:31: In file included from include/drm/drm_crtc.h:32: In file included from include/drm/drm_modes.h:33: In file included from include/drm/drm_connector.h:32: In file included from include/drm/drm_util.h:36: In file included from include/linux/kgdb.h:19: In file included from include/linux/kprobes.h:28: In file included from include/linux/ftrace.h:13: In file included from include/linux/kallsyms.h:13: In file included from include/linux/mm.h:2223: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> drivers/gpu/drm/mediatek/mtk_dpi.c:175:9: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 175 | val = FIELD_PREP(DPI_PAT_SEL, type) | DPI_PAT_EN; | ^ >> drivers/gpu/drm/mediatek/mtk_dpi.c:794:8: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 794 | val = FIELD_GET(DPI_PAT_SEL, val); | ^ 1 warning and 2 errors generated. vim +/FIELD_PREP +175 drivers/gpu/drm/mediatek/mtk_dpi.c 169 170 static void mtk_dpi_test_pattern_en(struct mtk_dpi *dpi, u8 type, bool enable) 171 { 172 u32 val; 173 174 if (enable) > 175 val = FIELD_PREP(DPI_PAT_SEL, type) | DPI_PAT_EN; 176 else 177 val = 0; 178 179 mtk_dpi_mask(dpi, DPI_PATTERN0, val, DPI_PAT_SEL | DPI_PAT_EN); 180 } 181 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
