Hi Melissa, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on linus/master v6.4-rc3 next-20230524] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Melissa-Wen/drm-drm_mode_object-increase-max-objects-to-accommodate-new-color-props/20230524-062917 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20230523221520.3115570-22-mwen%40igalia.com patch subject: [PATCH 21/36] drm/amd/display: add CRTC 3D LUT support config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230525/202305250946.OXXF7YXr-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/be212490fea8837eece5d56fa4a4963c0a21626f git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Melissa-Wen/drm-drm_mode_object-increase-max-objects-to-accommodate-new-color-props/20230524-062917 git checkout be212490fea8837eece5d56fa4a4963c0a21626f # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 ~/bin/make.cross W=1 O=build_dir ARCH=sparc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 ~/bin/make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/gpu/drm/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202305250946.OXXF7YXr-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c:515: warning: expecting prototype for amdgpu_dm_lut3d_size(). Prototype was for amdgpu_dm_get_lut3d_size() instead vim +515 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c 504 505 /** 506 * amdgpu_dm_lut3d_size - get expected size according to hw color caps 507 * @adev: amdgpu device 508 * @lut_size: default size 509 * 510 * Return: 511 * lut_size if DC 3D LUT is supported, zero otherwise. 512 */ 513 static uint32_t amdgpu_dm_get_lut3d_size(struct amdgpu_device *adev, 514 uint32_t lut_size) > 515 { 516 return adev->dm.dc->caps.color.mpc.num_3dluts ? lut_size : 0; 517 } 518 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki