Hi Abhinav, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-exynos/exynos-drm-next] [also build test WARNING on drm-intel/for-linux-next tegra-drm/drm/tegra/for-next drm-tip/drm-tip linus/master v5.9 next-20201022] [cannot apply to drm/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/Abhinav-Kumar/Add-devcoredump-support-for-DPU/20201022-130507 base: https://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git exynos-drm-next config: microblaze-randconfig-r003-20201022 (attached as .config) compiler: microblaze-linux-gcc (GCC) 9.3.0 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/0day-ci/linux/commit/76add8f28420cad0b0d2977abed6e031ef307f32 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Abhinav-Kumar/Add-devcoredump-support-for-DPU/20201022-130507 git checkout 76add8f28420cad0b0d2977abed6e031ef307f32 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): In file included from drivers/gpu/drm/selftests/test-drm_framebuffer.c:12: >> drivers/gpu/drm/selftests/../drm_crtc_internal.h:238:10: warning: 'struct drm_printer' declared inside parameter list will not be visible outside of this definition or declaration 238 | struct drm_printer *p); | ^~~~~~~~~~~ drivers/gpu/drm/selftests/test-drm_framebuffer.c: In function 'execute_drm_mode_fb_cmd2': drivers/gpu/drm/selftests/test-drm_framebuffer.c:333:26: warning: variable 'fb' set but not used [-Wunused-but-set-variable] 333 | struct drm_framebuffer *fb; | ^~ vim +238 drivers/gpu/drm/selftests/../drm_crtc_internal.h 231 232 int __drm_atomic_helper_disable_plane(struct drm_plane *plane, 233 struct drm_plane_state *plane_state); 234 int __drm_atomic_helper_set_config(struct drm_mode_set *set, 235 struct drm_atomic_state *state); 236 237 void drm_atomic_print_state(const struct drm_atomic_state *state, > 238 struct drm_printer *p); 239 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org