[xilinx-xlnx:xlnx_rebase_v5.15 797/907] zynqmp_dpsub.c:undefined reference to `xlnx_drm_pipeline_exit'

[kernel test robot]

tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.15
head:   423a108a01e05e84b59a4c4885c16bf3cd8c90c7
commit: 2d2fa5c476daa40a5aac243bd776cab2568c7111 [797/907] drm: xlnx: Update DP subsystem with downstream version
config: csky-randconfig-r022-20220209 (https://download.01.org/0day-ci/archive/20220209/202202092252.XjSgLJUN-lkp@intel.com/config)
compiler: csky-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/Xilinx/linux-xlnx/commit/2d2fa5c476daa40a5aac243bd776cab2568c7111
        git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.15
        git checkout 2d2fa5c476daa40a5aac243bd776cab2568c7111
        # 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=csky SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   csky-linux-ld: drivers/gpu/drm/xlnx/zynqmp_dpsub.o: in function `zynqmp_dpsub_remove':
>> zynqmp_dpsub.c:(.text+0x1c): undefined reference to `xlnx_drm_pipeline_exit'
   csky-linux-ld: drivers/gpu/drm/xlnx/zynqmp_dpsub.o: in function `zynqmp_dpsub_unbind':
   zynqmp_dpsub.c:(.text+0xa0): undefined reference to `xlnx_drm_pipeline_exit'
   csky-linux-ld: drivers/gpu/drm/xlnx/zynqmp_dpsub.o: in function `zynqmp_dpsub_probe':
>> zynqmp_dpsub.c:(.text+0x180): undefined reference to `xlnx_drm_pipeline_init'
>> csky-linux-ld: zynqmp_dpsub.c:(.text+0x214): undefined reference to `xlnx_drm_pipeline_init'
   csky-linux-ld: drivers/gpu/drm/xlnx/zynqmp_disp.o: in function `zynqmp_disp_bind':
>> (.text+0x1a58): undefined reference to `xlnx_crtc_register'
>> csky-linux-ld: (.text+0x1ad8): undefined reference to `xlnx_crtc_register'
   csky-linux-ld: drivers/gpu/drm/xlnx/zynqmp_disp.o: in function `zynqmp_disp_unbind':
>> (.text+0x1afc): undefined reference to `xlnx_crtc_unregister'
>> csky-linux-ld: (.text+0x1b8c): undefined reference to `xlnx_crtc_unregister'

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