Hi Javier, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [cannot apply to linus/master v6.6-rc1 next-20230912] [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/Javier-Martinez-Canillas/drm-ssd130x-Store-the-HW-buffer-in-the-driver-private-CRTC-state/20230912-191205 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20230912110946.944791-1-javierm%40redhat.com patch subject: [PATCH v3] drm/ssd130x: Store the HW buffer in the driver-private CRTC state config: i386-randconfig-063-20230913 (https://download.01.org/0day-ci/archive/20230913/202309130552.3IV4BeIj-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230913/202309130552.3IV4BeIj-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/202309130552.3IV4BeIj-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/solomon/ssd130x.c:810:5: sparse: sparse: symbol 'ssd130x_crtc_helper_atomic_check' was not declared. Should it be static? -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki