ttm_bo_vm.c:undefined reference to `vmf_insert_pfn_prot'

[kernel test robot]

Hi Javier,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   4b35035bcf80ddb47c0112c4fbd84a63a2836a18
commit: a0f25a6bb319aa05e04dcf51707c97c2881b4f47 drm/hisilicon/hibmc: Allow to be built if COMPILE_TEST is enabled
date:   5 months ago
config: riscv-buildonly-randconfig-r006-20220619 (https://download.01.org/0day-ci/archive/20220619/202206190523.0Ar6yQF7-lkp@xxxxxxxxx/config)
compiler: riscv64-linux-gcc (GCC) 11.3.0
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a0f25a6bb319aa05e04dcf51707c97c2881b4f47
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout a0f25a6bb319aa05e04dcf51707c97c2881b4f47
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   riscv64-linux-ld: drivers/gpu/drm/ttm/ttm_bo_vm.o: in function `.L84':
>> ttm_bo_vm.c:(.text+0x754): undefined reference to `vmf_insert_pfn_prot'
   riscv64-linux-ld: drivers/gpu/drm/ttm/ttm_bo_vm.o: in function `.L0 ':
   ttm_bo_vm.c:(.text+0x8cc): undefined reference to `vmf_insert_pfn_prot'

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for DRM_TTM
   Depends on HAS_IOMEM && DRM && MMU
   Selected by
   - DRM_TTM_HELPER && HAS_IOMEM && DRM
   - DRM_HISI_HIBMC && HAS_IOMEM && DRM && PCI && (ARM64 || COMPILE_TEST

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