Hi Akhil, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm/drm-next] [also build test WARNING on drm-intel/for-linux-next drm-tip/drm-tip drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next v5.17-rc7 next-20220308] [cannot apply to airlied/drm-next] [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/Akhil-P-Oommen/Support-for-GMU-coredump-and-some-related-improvements/20220303-013028 base: git://anongit.freedesktop.org/drm/drm drm-next config: riscv-randconfig-r042-20220307 (https://download.01.org/0day-ci/archive/20220308/202203082018.IcI00Nvs-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/0day-ci/linux/commit/23953efc645803299a93f178e9a32f2ae97dae39 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Akhil-P-Oommen/Support-for-GMU-coredump-and-some-related-improvements/20220303-013028 git checkout 23953efc645803299a93f178e9a32f2ae97dae39 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/gpu/drm/msm/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:967:6: warning: no previous prototype for function 'a6xx_get_gmu_state' [-Wmissing-prototypes] void a6xx_get_gmu_state(struct msm_gpu *gpu, struct a6xx_gpu_state *a6xx_state) ^ drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:967:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void a6xx_get_gmu_state(struct msm_gpu *gpu, struct a6xx_gpu_state *a6xx_state) ^ static 1 warning generated. vim +/a6xx_get_gmu_state +967 drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c 966 > 967 void a6xx_get_gmu_state(struct msm_gpu *gpu, struct a6xx_gpu_state *a6xx_state) 968 { 969 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); 970 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); 971 struct a6xx_gmu *gmu = &a6xx_gpu->gmu; 972 973 if (gmu->hung) 974 a6xx_gmu_send_nmi(gmu); 975 976 a6xx_get_gmu_registers(gpu, a6xx_state); 977 } 978 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx