Hi Nikhil, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next drm-tip/drm-tip linus/master v5.10-rc6 next-20201201] [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/Nikhil-Devshatwar/drm-tidss-Use-new-connector-model-for-tidss/20201201-202125 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: mips-randconfig-r023-20201201 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project ac40a2d8f16b8a8c68fc811d67f647740e965cb8) 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 mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://github.com/0day-ci/linux/commit/936e9f4e0dd9ad362b11e4cb6a240cdaec2b8b28 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Nikhil-Devshatwar/drm-tidss-Use-new-connector-model-for-tidss/20201201-202125 git checkout 936e9f4e0dd9ad362b11e4cb6a240cdaec2b8b28 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips 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/bridge/ti-tfp410.c:236:5: warning: no previous prototype for function 'tfp410_atomic_check' [-Wmissing-prototypes] int tfp410_atomic_check(struct drm_bridge *bridge, ^ drivers/gpu/drm/bridge/ti-tfp410.c:236:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int tfp410_atomic_check(struct drm_bridge *bridge, ^ static drivers/gpu/drm/bridge/ti-tfp410.c:248:1: error: non-void function does not return a value [-Werror,-Wreturn-type] } ^ 1 warning and 1 error generated. vim +/tfp410_atomic_check +236 drivers/gpu/drm/bridge/ti-tfp410.c 235 > 236 int tfp410_atomic_check(struct drm_bridge *bridge, 237 struct drm_bridge_state *bridge_state, 238 struct drm_crtc_state *crtc_state, 239 struct drm_connector_state *conn_state) 240 { 241 struct tfp410 *dvi = drm_bridge_to_tfp410(bridge); 242 243 /* 244 * There might be flags negotiation supported in future 245 * Set the bus flags in atomic_check statically for now 246 */ 247 bridge_state->input_bus_cfg.flags = dvi->timings.input_bus_flags; 248 } 249 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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