Date:   Tue, 9 Nov 2021 21:03:55 +0800
From:   kernel test robot <lkp@...el.com>
To:     Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Dave Airlie <airlied@...hat.com>
Subject: arm-linux-gnueabi-ld: rcar_du_encoder.c:undefined reference to
 `rcar_lvds_is_connected'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d2f38a3c6507b2520101f9a3807ed98f1bdc545a
commit: 0dee6f70fd40e3375d45d3f93abdf6a57fc0e549 drm: rcar-du: Don't create encoder for unconnected LVDS outputs
date:   4 weeks ago
config: arm-randconfig-c002-20211025 (attached as .config)
compiler: arm-linux-gnueabi-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=0dee6f70fd40e3375d45d3f93abdf6a57fc0e549
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 0dee6f70fd40e3375d45d3f93abdf6a57fc0e549
        # 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=arm SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_resume_worker':
   drm_fb_helper.c:(.text+0x44e): undefined reference to `fb_set_suspend'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_fini':
   drm_fb_helper.c:(.text+0x534): undefined reference to `fb_dealloc_cmap'
   arm-linux-gnueabi-ld: drm_fb_helper.c:(.text+0x53a): undefined reference to `framebuffer_release'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_set_suspend_unlocked':
   drm_fb_helper.c:(.text+0x642): undefined reference to `fb_set_suspend'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_alloc_fbi':
   drm_fb_helper.c:(.text+0xfca): undefined reference to `framebuffer_alloc'
   arm-linux-gnueabi-ld: drm_fb_helper.c:(.text+0xfde): undefined reference to `fb_alloc_cmap'
   arm-linux-gnueabi-ld: drm_fb_helper.c:(.text+0xffc): undefined reference to `fb_dealloc_cmap'
   arm-linux-gnueabi-ld: drm_fb_helper.c:(.text+0x101a): undefined reference to `framebuffer_release'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_generic_probe':
   drm_fb_helper.c:(.text+0x10cc): undefined reference to `fb_deferred_io_init'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `__drm_fb_helper_initial_config_and_unlock':
   drm_fb_helper.c:(.text+0x11a2): undefined reference to `register_framebuffer'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_write':
   drm_fb_helper.c:(.text+0x1946): undefined reference to `fb_sys_write'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_fillrect':
   drm_fb_helper.c:(.text+0x1988): undefined reference to `sys_fillrect'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_copyarea':
   drm_fb_helper.c:(.text+0x19c8): undefined reference to `sys_copyarea'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_imageblit':
   drm_fb_helper.c:(.text+0x1a08): undefined reference to `sys_imageblit'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_fillrect':
   drm_fb_helper.c:(.text+0x1a48): undefined reference to `cfb_fillrect'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_copyarea':
   drm_fb_helper.c:(.text+0x1a88): undefined reference to `cfb_copyarea'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_imageblit':
   drm_fb_helper.c:(.text+0x1ac8): undefined reference to `cfb_imageblit'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_fb_copyarea':
   drm_fb_helper.c:(.text+0x1b10): undefined reference to `cfb_copyarea'
   arm-linux-gnueabi-ld: drm_fb_helper.c:(.text+0x1b18): undefined reference to `sys_copyarea'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_fb_fillrect':
   drm_fb_helper.c:(.text+0x1b50): undefined reference to `cfb_fillrect'
   arm-linux-gnueabi-ld: drm_fb_helper.c:(.text+0x1b58): undefined reference to `sys_fillrect'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_fb_imageblit':
   drm_fb_helper.c:(.text+0x1b90): undefined reference to `cfb_imageblit'
   arm-linux-gnueabi-ld: drm_fb_helper.c:(.text+0x1b98): undefined reference to `sys_imageblit'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_cleanup':
   drm_fb_helper.c:(.text+0x1bdc): undefined reference to `fb_deferred_io_cleanup'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_set_suspend':
   drm_fb_helper.c:(.text+0x406): undefined reference to `fb_set_suspend'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_unregister_fbi':
   drm_fb_helper.c:(.text+0x4c6): undefined reference to `unregister_framebuffer'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_read':
   drm_fb_helper.c:(.text+0x5c0): undefined reference to `fb_sys_read'
   arm-linux-gnueabi-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_client_unregister':
   drm_fb_helper.c:(.text+0x1c50): undefined reference to `unregister_framebuffer'
   arm-linux-gnueabi-ld: drivers/gpu/drm/rcar-du/rcar_du_crtc.o: in function `rcar_du_crtc_atomic_begin':
   rcar_du_crtc.c:(.text+0xcc6): undefined reference to `rcar_cmm_setup'
   arm-linux-gnueabi-ld: drivers/gpu/drm/rcar-du/rcar_du_crtc.o: in function `rcar_du_crtc_atomic_enable':
   rcar_du_crtc.c:(.text+0xd14): undefined reference to `rcar_cmm_enable'
   arm-linux-gnueabi-ld: rcar_du_crtc.c:(.text+0xd4c): undefined reference to `rcar_lvds_clk_enable'
   arm-linux-gnueabi-ld: rcar_du_crtc.c:(.text+0xd9c): undefined reference to `rcar_cmm_setup'
   arm-linux-gnueabi-ld: drivers/gpu/drm/rcar-du/rcar_du_crtc.o: in function `rcar_du_crtc_atomic_disable':
   rcar_du_crtc.c:(.text+0x1050): undefined reference to `rcar_cmm_disable'
   arm-linux-gnueabi-ld: rcar_du_crtc.c:(.text+0x10d4): undefined reference to `rcar_lvds_clk_disable'
   arm-linux-gnueabi-ld: drivers/gpu/drm/rcar-du/rcar_du_drv.o: in function `rcar_du_init':
   rcar_du_drv.c:(.init.text+0x4): undefined reference to `rcar_du_of_init'
   arm-linux-gnueabi-ld: drivers/gpu/drm/rcar-du/rcar_du_encoder.o: in function `rcar_du_encoder_init':
   rcar_du_encoder.c:(.text+0xb8): undefined reference to `rcar_lvds_dual_link'
>> arm-linux-gnueabi-ld: rcar_du_encoder.c:(.text+0xca): undefined reference to `rcar_lvds_is_connected'
   arm-linux-gnueabi-ld: drivers/gpu/drm/rcar-du/rcar_du_kms.o: in function `rcar_du_modeset_init':
   rcar_du_kms.c:(.text+0x552): 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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