Re: [PATCH v2 1/1] drm/lsdc: add drm driver for loongson display controller

[kernel test robot <lkp@intel.com>]

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Hi Sui,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm/drm-next]
[also build test ERROR on v5.17-rc1 next-20220128]
[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]

url:    https://github.com/0day-ci/linux/commits/Sui-Jingfeng/drm-lsdc-add-drm-driver-for-loongson-display-controller/20220130-150458
base:   git://anongit.freedesktop.org/drm/drm drm-next
config: powerpc64-randconfig-r013-20220130 (https://download.01.org/0day-ci/archive/20220130/202201302236.DGA9Yyr5-lkp(a)intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 11.2.0
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/0day-ci/linux/commit/cdef436d42a3499744f8fd5a1613a157dd703819
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Sui-Jingfeng/drm-lsdc-add-drm-driver-for-loongson-display-controller/20220130-150458
        git checkout cdef436d42a3499744f8fd5a1613a157dd703819
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "drm_gem_ttm_dumb_map_offset" [drivers/gpu/drm/lsdc/lsdc.ko] undefined!
>> ERROR: modpost: "drm_gem_ttm_print_info" [drivers/gpu/drm/drm_vram_helper.ko] undefined!
>> ERROR: modpost: "ttm_bo_eviction_valuable" [drivers/gpu/drm/drm_vram_helper.ko] undefined!
>> ERROR: modpost: ".ttm_device_init" [drivers/gpu/drm/drm_vram_helper.ko] undefined!
>> ERROR: modpost: ".ttm_range_man_init_nocheck" [drivers/gpu/drm/drm_vram_helper.ko] undefined!
>> ERROR: modpost: ".ttm_bo_init" [drivers/gpu/drm/drm_vram_helper.ko] undefined!
>> ERROR: modpost: ".ttm_bo_move_to_lru_tail" [drivers/gpu/drm/drm_vram_helper.ko] undefined!
>> ERROR: modpost: ".ttm_device_fini" [drivers/gpu/drm/drm_vram_helper.ko] undefined!
>> ERROR: modpost: ".ttm_bo_put" [drivers/gpu/drm/drm_vram_helper.ko] undefined!
>> ERROR: modpost: ".ttm_bo_vunmap" [drivers/gpu/drm/drm_vram_helper.ko] undefined!
WARNING: modpost: suppressed 8 unresolved symbol warnings because there were too many)

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org