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-allyesconfig (https://download.01.org/0day-ci/archive/20230227/202302272233.3LnnRKDf-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # 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 make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash 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/202302272233.3LnnRKDf-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/tests/drm_suballoc_test.c:16:10: fatal error: drm/drm_suballoc.h: No such file or directory 16 | #include <drm/drm_suballoc.h> | ^~~~~~~~~~~~~~~~~~~~ compilation terminated. 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