Hi Colin, Thank you for the patch! Yet something to improve: [auto build test ERROR on next-20201112] [cannot apply to linus/master v5.10-rc3 v5.10-rc2 v5.10-rc1 v5.10-rc3] [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/Colin-King/drm-kmb-fix-potential-integer-overflow-on-multiplication/20201113-203903 base: a60b1e1fe9ca5f9d9a79e89a8d71228a8e04d35c config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/bb25aac8771c57130ea5a2a016790e3b7c62e283 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Colin-King/drm-kmb-fix-potential-integer-overflow-on-multiplication/20201113-203903 git checkout bb25aac8771c57130ea5a2a016790e3b7c62e283 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): ld: drivers/gpu/drm/kmb/kmb_dsi.o: in function `kmb_dsi_mode_set': kmb_dsi.c:(.text+0x13b7): undefined reference to `__udivdi3' >> ld: kmb_dsi.c:(.text+0x13ca): undefined reference to `__udivdi3' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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