Hi Christian, I love your patch! Yet something to improve: [auto build test ERROR on drm-misc/drm-misc-next] [cannot apply to drm-tip/drm-tip] [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/Christian-K-nig/drm-tegra-allow-compile-test-on-ARM/20230316-172205 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20230316082035.567520-3-christian.koenig%40amd.com patch subject: [Intel-gfx] [PATCH 2/7] drm/tegra: allow compile test on !ARM config: mips-allmodconfig (https://download.01.org/0day-ci/archive/20230317/202303170635.A2RsQ1Wu-lkp@xxxxxxxxx/config) compiler: mips-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 # https://github.com/intel-lab-lkp/linux/commit/8a2dbd34b0290b78a1ac2252d451abbcbcd50666 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Christian-K-nig/drm-tegra-allow-compile-test-on-ARM/20230316-172205 git checkout 8a2dbd34b0290b78a1ac2252d451abbcbcd50666 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/gpu/drm/tegra/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303170635.A2RsQ1Wu-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/gpu/drm/tegra/gem.c: In function 'tegra_bo_mmap': >> drivers/gpu/drm/tegra/gem.c:188:24: error: implicit declaration of function 'vmap'; did you mean 'kmap'? [-Werror=implicit-function-declaration] 188 | return vmap(obj->pages, obj->num_pages, VM_MAP, | ^~~~ | kmap >> drivers/gpu/drm/tegra/gem.c:188:57: error: 'VM_MAP' undeclared (first use in this function); did you mean 'VM_MTE'? 188 | return vmap(obj->pages, obj->num_pages, VM_MAP, | ^~~~~~ | VM_MTE drivers/gpu/drm/tegra/gem.c:188:57: note: each undeclared identifier is reported only once for each function it appears in drivers/gpu/drm/tegra/gem.c: In function 'tegra_bo_munmap': >> drivers/gpu/drm/tegra/gem.c:203:17: error: implicit declaration of function 'vunmap'; did you mean 'kunmap'? [-Werror=implicit-function-declaration] 203 | vunmap(addr); | ^~~~~~ | kunmap drivers/gpu/drm/tegra/gem.c: In function 'tegra_bo_mmap': drivers/gpu/drm/tegra/gem.c:191:1: error: control reaches end of non-void function [-Werror=return-type] 191 | } | ^ cc1: some warnings being treated as errors -- drivers/gpu/drm/tegra/fb.c: In function 'tegra_fbdev_probe': >> drivers/gpu/drm/tegra/fb.c:276:29: error: implicit declaration of function 'vmap'; did you mean 'kmap'? [-Werror=implicit-function-declaration] 276 | bo->vaddr = vmap(bo->pages, bo->num_pages, VM_MAP, | ^~~~ | kmap >> drivers/gpu/drm/tegra/fb.c:276:60: error: 'VM_MAP' undeclared (first use in this function); did you mean 'VM_MTE'? 276 | bo->vaddr = vmap(bo->pages, bo->num_pages, VM_MAP, | ^~~~~~ | VM_MTE drivers/gpu/drm/tegra/fb.c:276:60: note: each undeclared identifier is reported only once for each function it appears in drivers/gpu/drm/tegra/fb.c: In function 'tegra_fbdev_exit': >> drivers/gpu/drm/tegra/fb.c:359:25: error: implicit declaration of function 'vunmap'; did you mean 'kunmap'? [-Werror=implicit-function-declaration] 359 | vunmap(bo->vaddr); | ^~~~~~ | kunmap cc1: some warnings being treated as errors vim +188 drivers/gpu/drm/tegra/gem.c de2ba664c30fcdb drivers/gpu/host1x/drm/gem.c Arto Merilainen 2013-03-22 175 de2ba664c30fcdb drivers/gpu/host1x/drm/gem.c Arto Merilainen 2013-03-22 176 static void *tegra_bo_mmap(struct host1x_bo *bo) de2ba664c30fcdb drivers/gpu/host1x/drm/gem.c Arto Merilainen 2013-03-22 177 { 3be8274341499cf drivers/gpu/host1x/drm/gem.c Thierry Reding 2013-09-24 178 struct tegra_bo *obj = host1x_to_tegra_bo(bo); 7938f4218168ae9 drivers/gpu/drm/tegra/gem.c Lucas De Marchi 2022-02-04 179 struct iosys_map map; 6619ccf1bb1d0eb drivers/gpu/drm/tegra/gem.c Thomas Zimmermann 2020-09-25 180 int ret; de2ba664c30fcdb drivers/gpu/host1x/drm/gem.c Arto Merilainen 2013-03-22 181 6619ccf1bb1d0eb drivers/gpu/drm/tegra/gem.c Thomas Zimmermann 2020-09-25 182 if (obj->vaddr) { de2ba664c30fcdb drivers/gpu/host1x/drm/gem.c Arto Merilainen 2013-03-22 183 return obj->vaddr; 6619ccf1bb1d0eb drivers/gpu/drm/tegra/gem.c Thomas Zimmermann 2020-09-25 184 } else if (obj->gem.import_attach) { f66d48c8cc8d996 drivers/gpu/drm/tegra/gem.c Dmitry Osipenko 2022-10-17 185 ret = dma_buf_vmap_unlocked(obj->gem.import_attach->dmabuf, &map); 6619ccf1bb1d0eb drivers/gpu/drm/tegra/gem.c Thomas Zimmermann 2020-09-25 186 return ret ? NULL : map.vaddr; 6619ccf1bb1d0eb drivers/gpu/drm/tegra/gem.c Thomas Zimmermann 2020-09-25 187 } else { 7ecada3cc44798c drivers/gpu/drm/tegra/gem.c Arto Merilainen 2016-11-08 @188 return vmap(obj->pages, obj->num_pages, VM_MAP, 7ecada3cc44798c drivers/gpu/drm/tegra/gem.c Arto Merilainen 2016-11-08 189 pgprot_writecombine(PAGE_KERNEL)); de2ba664c30fcdb drivers/gpu/host1x/drm/gem.c Arto Merilainen 2013-03-22 190 } 6619ccf1bb1d0eb drivers/gpu/drm/tegra/gem.c Thomas Zimmermann 2020-09-25 191 } de2ba664c30fcdb drivers/gpu/host1x/drm/gem.c Arto Merilainen 2013-03-22 192 de2ba664c30fcdb drivers/gpu/host1x/drm/gem.c Arto Merilainen 2013-03-22 193 static void tegra_bo_munmap(struct host1x_bo *bo, void *addr) de2ba664c30fcdb drivers/gpu/host1x/drm/gem.c Arto Merilainen 2013-03-22 194 { 7ecada3cc44798c drivers/gpu/drm/tegra/gem.c Arto Merilainen 2016-11-08 195 struct tegra_bo *obj = host1x_to_tegra_bo(bo); 7938f4218168ae9 drivers/gpu/drm/tegra/gem.c Lucas De Marchi 2022-02-04 196 struct iosys_map map = IOSYS_MAP_INIT_VADDR(addr); 7ecada3cc44798c drivers/gpu/drm/tegra/gem.c Arto Merilainen 2016-11-08 197 7ecada3cc44798c drivers/gpu/drm/tegra/gem.c Arto Merilainen 2016-11-08 198 if (obj->vaddr) 7ecada3cc44798c drivers/gpu/drm/tegra/gem.c Arto Merilainen 2016-11-08 199 return; 7ecada3cc44798c drivers/gpu/drm/tegra/gem.c Arto Merilainen 2016-11-08 200 else if (obj->gem.import_attach) f66d48c8cc8d996 drivers/gpu/drm/tegra/gem.c Dmitry Osipenko 2022-10-17 201 dma_buf_vunmap_unlocked(obj->gem.import_attach->dmabuf, &map); 7ecada3cc44798c drivers/gpu/drm/tegra/gem.c Arto Merilainen 2016-11-08 202 else 7ecada3cc44798c drivers/gpu/drm/tegra/gem.c Arto Merilainen 2016-11-08 @203 vunmap(addr); de2ba664c30fcdb drivers/gpu/host1x/drm/gem.c Arto Merilainen 2013-03-22 204 } de2ba664c30fcdb drivers/gpu/host1x/drm/gem.c Arto Merilainen 2013-03-22 205 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests