Hi Nikola, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-tip/drm-tip drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next linus/master v5.14-rc6 next-20210817] [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/Nikola-Pavlica/drm-panel-simple-... base: git://anongit.freedesktop.org/drm-intel for-linux-next config: arm64-randconfig-r025-20210816 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 2c6448cdc2f68f8c28fd0bd9404182b81306e6e6) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/0day-ci/linux/commit/b3b8de24d73c21a6e689abb123326d844... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Nikola-Pavlica/drm-panel-simple-Add-Vivax-TPC-9150-panel-v3/20210818-003804 git checkout b3b8de24d73c21a6e689abb123326d84425c877b # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/drm/panel/ 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 >>): .bus_format = MEDIA_BUS_FMT_RGB666_1X24, ^ 1 error generated. vim +/MEDIA_BUS_FMT_RGB666_1X24 +4386 drivers/gpu/drm/panel/panel-simple.c 4377 4378 static const struct panel_desc vivax_tpc9150_panel = { 4379 .modes = &vivax_tpc9150_panel_mode, 4380 .num_modes = 1, 4381 .size = { 4382 .width = 200, 4383 .height = 115, 4384 }, 4385 .bpc = 6, 4387 .bus_flags = DRM_BUS_FLAG_DE_HIGH, 4388 .connector_type = DRM_MODE_CONNECTOR_LVDS, 4389 }; 4390 4391 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org