Hi Matthew, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-tip/drm-tip drm/drm-next drm-exynos/exynos-drm-next drm-misc/drm-misc-next linus/master v5.19-rc5 next-20220707] [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/Matthew-Auld/drm-i915-ttm-fix-sg_table-construction/20220708-011115 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: i386-defconfig (https://download.01.org/0day-ci/archive/20220708/202207080407.Ah1H6WFK-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/a318752ca76b5fc3e8d9efa87d483c88d177475a git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Matthew-Auld/drm-i915-ttm-fix-sg_table-construction/20220708-011115 git checkout a318752ca76b5fc3e8d9efa87d483c88d177475a # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): ld: drivers/gpu/drm/i915/i915_scatterlist.o: in function `i915_rsgt_from_mm_node': >> i915_scatterlist.c:(.text+0x196): undefined reference to `__udivdi3' ld: drivers/gpu/drm/i915/i915_scatterlist.o: in function `i915_rsgt_from_buddy_resource': >> i915_scatterlist.c:(.text+0x426): undefined reference to `__umoddi3' -- 0-DAY CI Kernel Test Service https://01.org/lkp