Hi Thomas, kernel test robot noticed the following build errors: [auto build test ERROR on next-20250311] [also build test ERROR on v6.14-rc6] [cannot apply to drm-exynos/exynos-drm-next rockchip/for-next tegra/for-next drm-xe/drm-xe-next linus/master v6.14-rc6 v6.14-rc5 v6.14-rc4] [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/Thomas-Zimmermann/drm-dumb-buffers-Sanitize-output-on-errors/20250311-235818 base: next-20250311 patch link: https://lore.kernel.org/r/20250311155120.442633-19-tzimmermann%40suse.de patch subject: [PATCH v4 18/25] drm/renesas/rz-du: Compute dumb-buffer sizes with drm_mode_size_dumb() config: powerpc64-randconfig-003-20250313 (https://download.01.org/0day-ci/archive/20250313/202503130956.VyNIuYfU-lkp@xxxxxxxxx/config) compiler: powerpc64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250313/202503130956.VyNIuYfU-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202503130956.VyNIuYfU-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c: In function 'rzg2l_du_dumb_create': >> drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c:80:15: error: implicit declaration of function 'drm_mode_size_dumb'; did you mean 'drm_mode_set_name'? [-Wimplicit-function-declaration] 80 | ret = drm_mode_size_dumb(dev, args, 16 * args->bpp / 8, 0); | ^~~~~~~~~~~~~~~~~~ | drm_mode_set_name vim +80 drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c 70 71 /* ----------------------------------------------------------------------------- 72 * Frame buffer 73 */ 74 75 int rzg2l_du_dumb_create(struct drm_file *file, struct drm_device *dev, 76 struct drm_mode_create_dumb *args) 77 { 78 int ret; 79 > 80 ret = drm_mode_size_dumb(dev, args, 16 * args->bpp / 8, 0); 81 if (ret) 82 return ret; 83 84 return drm_gem_dma_dumb_create_internal(file, dev, args); 85 } 86 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki