Hi Flora, FYI, the error/warning still remains. tree: git://people.freedesktop.org/~agd5f/linux.git amd-20.45 head: a3950d94b046fb206e58fd3ec717f071c0203ba3 commit: b46fcb031f1ca11f48ea670680cb5eed851e9870 [189/2427] drm/amdgpu: [hybrid] add query for aperture va range config: x86_64-randconfig-a004-20201214 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a29ecca7819a6ed4250d3689b12b1f664bb790d7) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git remote add radeon-alex git://people.freedesktop.org/~agd5f/linux.git git fetch --no-tags radeon-alex amd-20.45 git checkout b46fcb031f1ca11f48ea670680cb5eed851e9870 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from <built-in>:1: uint32_t aperture; ^ ./usr/include/drm/amdgpu_drm.h:875:4: error: unknown type name 'uint32_t' uint32_t _pad; ^ uint64_t start; ^ ./usr/include/drm/amdgpu_drm.h:1103:2: error: unknown type name 'uint64_t' uint64_t end; ^ 4 errors generated. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org