tree:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
head:   8a360df54c04866499d763c87704f7a50953462e
commit: 1cd97b5490c860409338eda1d9c16df20621024c [935/958] drm/nouveau/gr/tu102-: use sw_veid_bundle_init from firmware
config: s390-allyesconfig
compiler: s390-linux-gcc (GCC) 12.1.0
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
        git remote add drm-tip git://anongit.freedesktop.org/drm/drm-tip
        git fetch --no-tags drm-tip drm-tip
        git checkout 1cd97b5490c860409338eda1d9c16df20621024c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/gpu/drm/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/nouveau/nvkm/engine/gr/tu102.c:209:1: warning: no previous prototype for 'tu102_gr_load' [-Wmissing-prototypes]
     209 | tu102_gr_load(struct gf100_gr *gr, int ver, const struct gf100_gr_fwif *fwif)
         | ^~~~~~~~~~~~~


vim +/tu102_gr_load +209 drivers/gpu/drm/nouveau/nvkm/engine/gr/tu102.c

   207	
   208	int
 > 209	tu102_gr_load(struct gf100_gr *gr, int ver, const struct gf100_gr_fwif *fwif)
   210	{
   211		int ret;
   212	
   213		ret = gm200_gr_load(gr, ver, fwif);
   214		if (ret)
   215			return ret;
   216	
   217		return gk20a_gr_load_net(gr, "gr/", "sw_veid_bundle_init", ver, tu102_gr_av_to_init_veid,
   218					 &gr->bundle_veid);
   219	}
   220	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp