Hi Arnd, kernel test robot noticed the following build errors: [auto build test ERROR on drm-exynos/exynos-drm-next] [also build test ERROR on next-20241115] [cannot apply to linus/master v6.12-rc7] [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/Arnd-Bergmann/drm-rework-FB_CORE-dependency/20241117-003714 base: https://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git exynos-drm-next patch link: https://lore.kernel.org/r/20241115152722.3537630-1-arnd%40kernel.org patch subject: [PATCH] drm: rework FB_CORE dependency config: arc-randconfig-052-20241117 (attached as .config) compiler: arc-elf-gcc (GCC) 13.2.0 dtschema version: 2024.12.dev1+gcabb5b9 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241117/202411171217.DZow6M4R-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/202411171217.DZow6M4R-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> error: recursive dependency detected! symbol BACKLIGHT_CLASS_DEVICE is selected by FB_BACKLIGHT symbol FB_BACKLIGHT is selected by FB_SH_MOBILE_LCDC symbol FB_SH_MOBILE_LCDC depends on FB_DEVICE symbol FB_DEVICE depends on FB_CORE symbol FB_CORE is selected by DRM_KMS_HELPER symbol DRM_KMS_HELPER is selected by DRM_MIPI_DBI symbol DRM_MIPI_DBI is selected by DRM_PANEL_ILITEK_ILI9341 symbol DRM_PANEL_ILITEK_ILI9341 depends on BACKLIGHT_CLASS_DEVICE For a resolution refer to Documentation/kbuild/kconfig-language.rst subsection "Kconfig recursive dependency limitations" -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
