[linux-next:master 5901/7806] aarch64-linux-ld: rcar_du_encoder.c:undefined reference to `rcar_lvds_is_connected'

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

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   8006b911c90a4ec09958447d24c8a4c3538f5723
commit: 187502afe87a0fc96832056558978fa423920ee0 [5901/7806] drm: rcar-du: Don't create encoder for unconnected LVDS outputs
config: arm64-randconfig-r002-20211014 (attached as .config)
compiler: aarch64-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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=187502afe87a0fc96832056558978fa423920ee0
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 187502afe87a0fc96832056558978fa423920ee0
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 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 >>):

   aarch64-linux-ld: Unexpected GOT/PLT entries detected!
   aarch64-linux-ld: Unexpected run-time procedure linkages detected!
   aarch64-linux-ld: drivers/gpu/drm/rcar-du/rcar_du_crtc.o: in function `rcar_du_crtc_atomic_enable':
   rcar_du_crtc.c:(.text+0x1b34): undefined reference to `rcar_cmm_enable'
   aarch64-linux-ld: rcar_du_crtc.c:(.text+0x1ba8): undefined reference to `rcar_lvds_clk_enable'
   aarch64-linux-ld: rcar_du_crtc.c:(.text+0x1c44): undefined reference to `rcar_cmm_setup'
   aarch64-linux-ld: drivers/gpu/drm/rcar-du/rcar_du_crtc.o: in function `rcar_du_crtc_atomic_begin':
   rcar_du_crtc.c:(.text+0x1d14): undefined reference to `rcar_cmm_setup'
   aarch64-linux-ld: drivers/gpu/drm/rcar-du/rcar_du_crtc.o: in function `rcar_du_crtc_atomic_disable':
   rcar_du_crtc.c:(.text+0x2244): undefined reference to `rcar_cmm_disable'
   aarch64-linux-ld: rcar_du_crtc.c:(.text+0x232c): undefined reference to `rcar_lvds_clk_disable'
   aarch64-linux-ld: drivers/gpu/drm/rcar-du/rcar_du_drv.o: in function `rcar_du_init':
   rcar_du_drv.c:(.init.text+0x14): undefined reference to `rcar_du_of_init'
   aarch64-linux-ld: drivers/gpu/drm/rcar-du/rcar_du_encoder.o: in function `rcar_du_encoder_init':
   rcar_du_encoder.c:(.text+0x1f0): undefined reference to `rcar_lvds_dual_link'
>> aarch64-linux-ld: rcar_du_encoder.c:(.text+0x230): undefined reference to `rcar_lvds_is_connected'
   aarch64-linux-ld: drivers/gpu/drm/rcar-du/rcar_du_kms.o: in function `rcar_du_modeset_init':
   rcar_du_kms.c:(.text+0x102c): undefined reference to `rcar_cmm_init'

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

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