Hi Thomas, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-tip/drm-tip] url: https://github.com/intel-lab-lkp/linux/commits/Thomas-Hellstr-m/drm-tests-Suballocator-test/20230227-184044 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip patch link: https://lore.kernel.org/r/20230227103853.12666-1-thomas.hellstrom%40linux.intel.com patch subject: [PATCH] drm/tests: Suballocator test config: x86_64-randconfig-a006-20230227 (https://download.01.org/0day-ci/archive/20230227/202302272259.dbMIwSUR-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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 # https://github.com/intel-lab-lkp/linux/commit/bf605f8a4492ba34499541f58ad29cf56bd9d852 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Thomas-Hellstr-m/drm-tests-Suballocator-test/20230227-184044 git checkout bf605f8a4492ba34499541f58ad29cf56bd9d852 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/tests/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202302272259.dbMIwSUR-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/tests/drm_suballoc_test.c:16:10: fatal error: 'drm/drm_suballoc.h' file not found #include <drm/drm_suballoc.h> ^~~~~~~~~~~~~~~~~~~~ 1 error generated. vim +16 drivers/gpu/drm/tests/drm_suballoc_test.c 8 9 #include <linux/dma-fence.h> 10 #include <linux/ktime.h> 11 #include <linux/hrtimer.h> 12 #include <linux/sizes.h> 13 #include <linux/slab.h> 14 #include <linux/spinlock.h> 15 #include <linux/delay.h> > 16 #include <drm/drm_suballoc.h> 17 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests