.tmp_gl_ite-it6505.o:undefined reference to `drm_dp_aux_unregister'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   be2d3ecedd9911fbfd7e55cc9ceac5f8b79ae4cf
commit: b5c84a9edcd418cd055becad6a22439e7c5e3bf8 drm/bridge: add it6505 driver
date:   9 weeks ago
config: microblaze-randconfig-r032-20220403 (https://download.01.org/0day-ci/archive/20220403/202204032015.EG0gZxja-lkp@xxxxxxxxx/config)
compiler: microblaze-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/torvalds/linux.git/commit/?id=b5c84a9edcd418cd055becad6a22439e7c5e3bf8
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout b5c84a9edcd418cd055becad6a22439e7c5e3bf8
        # 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=microblaze SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_i2c_remove':
>> .tmp_gl_ite-it6505.o:(.text+0x4cc): undefined reference to `drm_dp_aux_unregister'
   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_bridge_attach':
>> .tmp_gl_ite-it6505.o:(.text+0x994): undefined reference to `drm_dp_aux_register'
   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `step_train_lane_voltage_para_set':
>> .tmp_gl_ite-it6505.o:(.text+0x1308): undefined reference to `drm_dp_dpcd_write'
>> microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x1334): undefined reference to `drm_dp_dpcd_read'
   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_irq_scdt':
   .tmp_gl_ite-it6505.o:(.text+0x2068): undefined reference to `drm_dp_dpcd_write'
   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_video_reset':
   .tmp_gl_ite-it6505.o:(.text+0x247c): undefined reference to `drm_dp_dpcd_write'
   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_setup_sha1_input':
>> .tmp_gl_ite-it6505.o:(.text+0x31a0): undefined reference to `drm_dp_dpcd_read'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x32dc): undefined reference to `drm_dp_dpcd_read'
   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_step_cr_train':
   .tmp_gl_ite-it6505.o:(.text+0x4040): undefined reference to `drm_dp_dpcd_write'
>> microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x406c): undefined reference to `drm_dp_dpcd_write'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x40dc): undefined reference to `drm_dp_dpcd_write'
>> microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x4174): undefined reference to `drm_dp_link_train_clock_recovery_delay'
>> microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x4184): undefined reference to `drm_dp_dpcd_read_link_status'
>> microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x4194): undefined reference to `drm_dp_clock_recovery_ok'
>> microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x4240): undefined reference to `drm_dp_get_adjust_request_voltage'
>> microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x4254): undefined reference to `drm_dp_get_adjust_request_pre_emphasis'
   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_link_training_setup':
   .tmp_gl_ite-it6505.o:(.text+0x4738): undefined reference to `drm_dp_dpcd_write'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x4808): undefined reference to `drm_dp_dpcd_write'
   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_parse_link_capabilities':
>> .tmp_gl_ite-it6505.o:(.text+0x652c): undefined reference to `drm_dp_link_rate_to_bw_code'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x671c): undefined reference to `drm_dp_dpcd_read'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x6964): undefined reference to `drm_dp_dpcd_read'
   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_detect':
   .tmp_gl_ite-it6505.o:(.text+0x6ab4): undefined reference to `drm_dp_dpcd_read'
>> microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x6acc): undefined reference to `drm_dp_bw_code_to_link_rate'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x6b2c): undefined reference to `drm_dp_dpcd_read'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x6d10): undefined reference to `drm_dp_dpcd_read'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x6d40): undefined reference to `drm_dp_dpcd_write'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x6d80): undefined reference to `drm_dp_dpcd_read'
   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_irq_hpd':
   .tmp_gl_ite-it6505.o:(.text+0x719c): undefined reference to `drm_dp_dpcd_write'
   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_hdcp_wait_ksv_list':
   .tmp_gl_ite-it6505.o:(.text+0x74c0): undefined reference to `drm_dp_dpcd_read'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x75d4): undefined reference to `drm_dp_dpcd_read'
   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_process_hpd_irq':
   .tmp_gl_ite-it6505.o:(.text+0x784c): undefined reference to `drm_dp_dpcd_read'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x78bc): undefined reference to `drm_dp_dpcd_read'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x7940): undefined reference to `drm_dp_dpcd_read'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x7974): undefined reference to `drm_dp_dpcd_read_link_status'
>> microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x79b0): undefined reference to `drm_dp_channel_eq_ok'
   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_step_eq_train':
   .tmp_gl_ite-it6505.o:(.text+0x7d18): undefined reference to `drm_dp_dpcd_write'
>> microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x7d70): undefined reference to `drm_dp_link_train_channel_eq_delay'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x7d80): undefined reference to `drm_dp_dpcd_read_link_status'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x7d90): undefined reference to `drm_dp_clock_recovery_ok'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x7da8): undefined reference to `drm_dp_channel_eq_ok'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x7de4): undefined reference to `drm_dp_get_adjust_request_voltage'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x7df8): undefined reference to `drm_dp_get_adjust_request_pre_emphasis'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x7e78): undefined reference to `drm_dp_dpcd_write'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x7eec): undefined reference to `drm_dp_dpcd_write'
   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_link_step_train_process':
   .tmp_gl_ite-it6505.o:(.text+0x808c): undefined reference to `drm_dp_dpcd_write'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x80fc): undefined reference to `drm_dp_dpcd_write'
   microblaze-linux-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_hdcp_work':
>> .tmp_gl_ite-it6505.o:(.text+0x9ba0): undefined reference to `drm_dp_dpcd_read_link_status'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x9bdc): undefined reference to `drm_dp_channel_eq_ok'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x9c90): undefined reference to `drm_dp_dpcd_read'
   microblaze-linux-ld: .tmp_gl_ite-it6505.o:(.text+0x9dd4): undefined reference to `drm_dp_dpcd_read'

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https://01.org/lkp