tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.10 head: 73dbeef4571d1037d5e03374fad31195f60956cf commit: 3e21cedd503fabd195cf407652bf87fd83e202ac [463/1031] drm/evdi: Add atomic evdi drm module config: sparc-allyesconfig (attached as .config) compiler: sparc64-linux-gcc (GCC) 9.3.0 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 chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.10 git checkout 3e21cedd503fabd195cf407652bf87fd83e202ac # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): cc1: warning: include/drm: No such file or directory [-Wmissing-include-dirs] drivers/gpu/drm/evdi/evdi_gem.c: In function 'evdi_gem_vmap': drivers/gpu/drm/evdi/evdi_gem.c:181:18: error: implicit declaration of function 'vmap'; did you mean 'kmap'? [-Werror=implicit-function-declaration] 181 | obj->vmapping = vmap(obj->pages, page_count, 0, PAGE_KERNEL); | ^~~~ | kmap 181 | obj->vmapping = vmap(obj->pages, page_count, 0, PAGE_KERNEL); | ^ drivers/gpu/drm/evdi/evdi_gem.c: In function 'evdi_gem_vunmap': drivers/gpu/drm/evdi/evdi_gem.c:196:3: error: implicit declaration of function 'vunmap'; did you mean 'kunmap'? [-Werror=implicit-function-declaration] 196 | vunmap(obj->vmapping); | ^~~~~~ | kunmap cc1: some warnings being treated as errors vim +181 drivers/gpu/drm/evdi/evdi_gem.c 164 165 int evdi_gem_vmap(struct evdi_gem_object *obj) 166 { 167 int page_count = obj->base.size / PAGE_SIZE; 168 int ret; 169 170 if (obj->base.import_attach) { 171 obj->vmapping = dma_buf_vmap(obj->base.import_attach->dmabuf); 172 if (!obj->vmapping) 173 return -ENOMEM; 174 return 0; 175 } 176 177 ret = evdi_gem_get_pages(obj); 178 if (ret) 179 return ret; 180 182 if (!obj->vmapping) 183 return -ENOMEM; 184 return 0; 185 } 186 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org