tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.10 head: 855263bf4aea5d744a18fc47c36fce003a497090 commit: 5d42c7b3d93d6ce4f7cfbfc0f0d6ea2c2445406a [6618/7370] CHROMIUM: Import latest evdi driver config: mips-allyesconfig (attached as .config) compiler: mips-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 5d42c7b3d93d6ce4f7cfbfc0f0d6ea2c2445406a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/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:241:19: error: too few arguments to function 'dma_buf_vmap' 241 | obj->vmapping = dma_buf_vmap(obj->base.import_attach->dmabuf); | ^~~~~~~~~~~~ In file included from drivers/gpu/drm/evdi/evdi_gem.c:18: include/linux/dma-buf.h:507:5: note: declared here 507 | int dma_buf_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map); | ^~~~~~~~~~~~ 252 | obj->vmapping = vmap(obj->pages, page_count, 0, PAGE_KERNEL); | ^~~~ | kmap 252 | obj->vmapping = vmap(obj->pages, page_count, 0, PAGE_KERNEL); | ^ drivers/gpu/drm/evdi/evdi_gem.c: In function 'evdi_gem_vunmap': 273 | vunmap(obj->vmapping); | ^~~~~~ | kunmap cc1: some warnings being treated as errors vim +252 drivers/gpu/drm/evdi/evdi_gem.c 3e21cedd503fab Aleksander Miera 2018-03-15 226 3e21cedd503fab Aleksander Miera 2018-03-15 227 int evdi_gem_vmap(struct evdi_gem_object *obj) 3e21cedd503fab Aleksander Miera 2018-03-15 228 { 3e21cedd503fab Aleksander Miera 2018-03-15 229 int page_count = obj->base.size / PAGE_SIZE; 3e21cedd503fab Aleksander Miera 2018-03-15 230 int ret; 3e21cedd503fab Aleksander Miera 2018-03-15 231 3e21cedd503fab Aleksander Miera 2018-03-15 232 if (obj->base.import_attach) { 5d42c7b3d93d6c Sean Paul 2021-04-09 233 #if KERNEL_VERSION(5, 11, 0) <= LINUX_VERSION_CODE 5d42c7b3d93d6c Sean Paul 2021-04-09 234 struct dma_buf_map map; 5d42c7b3d93d6c Sean Paul 2021-04-09 235 5d42c7b3d93d6c Sean Paul 2021-04-09 236 ret = dma_buf_vmap(obj->base.import_attach->dmabuf, &map); 5d42c7b3d93d6c Sean Paul 2021-04-09 237 if (ret) 5d42c7b3d93d6c Sean Paul 2021-04-09 238 return -ENOMEM; 5d42c7b3d93d6c Sean Paul 2021-04-09 239 obj->vmapping = map.vaddr; 5d42c7b3d93d6c Sean Paul 2021-04-09 240 #else 3e21cedd503fab Aleksander Miera 2018-03-15 @241 obj->vmapping = dma_buf_vmap(obj->base.import_attach->dmabuf); 3e21cedd503fab Aleksander Miera 2018-03-15 242 if (!obj->vmapping) 3e21cedd503fab Aleksander Miera 2018-03-15 243 return -ENOMEM; 5d42c7b3d93d6c Sean Paul 2021-04-09 244 #endif 3e21cedd503fab Aleksander Miera 2018-03-15 245 return 0; 3e21cedd503fab Aleksander Miera 2018-03-15 246 } 3e21cedd503fab Aleksander Miera 2018-03-15 247 67442e0531eb83 Guenter Roeck 2020-11-04 248 ret = evdi_gem_get_pages(obj, GFP_KERNEL); 3e21cedd503fab Aleksander Miera 2018-03-15 249 if (ret) 3e21cedd503fab Aleksander Miera 2018-03-15 250 return ret; 3e21cedd503fab Aleksander Miera 2018-03-15 251 3e21cedd503fab Aleksander Miera 2018-03-15 @252 obj->vmapping = vmap(obj->pages, page_count, 0, PAGE_KERNEL); 3e21cedd503fab Aleksander Miera 2018-03-15 253 if (!obj->vmapping) 3e21cedd503fab Aleksander Miera 2018-03-15 254 return -ENOMEM; 3e21cedd503fab Aleksander Miera 2018-03-15 255 return 0; 3e21cedd503fab Aleksander Miera 2018-03-15 256 } 3e21cedd503fab Aleksander Miera 2018-03-15 257 3e21cedd503fab Aleksander Miera 2018-03-15 258 void evdi_gem_vunmap(struct evdi_gem_object *obj) 3e21cedd503fab Aleksander Miera 2018-03-15 259 { 3e21cedd503fab Aleksander Miera 2018-03-15 260 if (obj->base.import_attach) { 5d42c7b3d93d6c Sean Paul 2021-04-09 261 #if KERNEL_VERSION(5, 11, 0) <= LINUX_VERSION_CODE 5d42c7b3d93d6c Sean Paul 2021-04-09 262 struct dma_buf_map map = DMA_BUF_MAP_INIT_VADDR(obj->vmapping); 5d42c7b3d93d6c Sean Paul 2021-04-09 263 5d42c7b3d93d6c Sean Paul 2021-04-09 264 dma_buf_vunmap(obj->base.import_attach->dmabuf, &map); 5d42c7b3d93d6c Sean Paul 2021-04-09 265 #else 3e21cedd503fab Aleksander Miera 2018-03-15 266 dma_buf_vunmap(obj->base.import_attach->dmabuf, obj->vmapping); 5d42c7b3d93d6c Sean Paul 2021-04-09 267 #endif 3e21cedd503fab Aleksander Miera 2018-03-15 268 obj->vmapping = NULL; 3e21cedd503fab Aleksander Miera 2018-03-15 269 return; 3e21cedd503fab Aleksander Miera 2018-03-15 270 } 3e21cedd503fab Aleksander Miera 2018-03-15 271 3e21cedd503fab Aleksander Miera 2018-03-15 272 if (obj->vmapping) { 3e21cedd503fab Aleksander Miera 2018-03-15 @273 vunmap(obj->vmapping); 3e21cedd503fab Aleksander Miera 2018-03-15 274 obj->vmapping = NULL; 3e21cedd503fab Aleksander Miera 2018-03-15 275 } 3e21cedd503fab Aleksander Miera 2018-03-15 276 3e21cedd503fab Aleksander Miera 2018-03-15 277 evdi_gem_put_pages(obj); 3e21cedd503fab Aleksander Miera 2018-03-15 278 } 3e21cedd503fab Aleksander Miera 2018-03-15 279 :::::: The code at line 252 was first introduced by commit :::::: 3e21cedd503fabd195cf407652bf87fd83e202ac drm/evdi: Add atomic evdi drm module :::::: TO: Aleksander Miera <aleksander.miera(a)displaylink.com&gt; :::::: CC: Guenter Roeck <groeck(a)chromium.org&gt; 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