:::::: 
:::::: Manual check reason: "low confidence static check first_new_problem: ld: drivers/gpu/drm/drm_fb_helper.c:839: undefined reference to `cfb_imageblit'"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: Kees Cook <keescook@chromium.org>
CC: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
CC: Sasha Levin <sashal@kernel.org>

Hi Kees,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
head:   14a059c00cd899f037916c382498d573e4c5b365
commit: 30f20ceb87f78a14645acd7996397af7fee6e518 [9491/9999] overflow: Implement size_t saturating arithmetic helpers
:::::: branch date: 11 hours ago
:::::: commit date: 13 days ago
config: i386-randconfig-s001
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=30f20ceb87f78a14645acd7996397af7fee6e518
        git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
        git fetch --no-tags linux-stable-rc linux-5.15.y
        git checkout 30f20ceb87f78a14645acd7996397af7fee6e518
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 olddefconfig
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_resume_worker':
   drivers/gpu/drm/drm_fb_helper.c:370: undefined reference to `fb_set_suspend'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_unregister_fbi':
   drivers/gpu/drm/drm_fb_helper.c:605: undefined reference to `unregister_framebuffer'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_fini':
   drivers/gpu/drm/drm_fb_helper.c:634: undefined reference to `framebuffer_release'
   ld: drivers/gpu/drm/drm_fb_helper.c:633: undefined reference to `fb_dealloc_cmap'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `__drm_fb_helper_initial_config_and_unlock':
   drivers/gpu/drm/drm_fb_helper.c:1867: undefined reference to `register_framebuffer'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_alloc_fbi':
   drivers/gpu/drm/drm_fb_helper.c:559: undefined reference to `framebuffer_alloc'
   ld: drivers/gpu/drm/drm_fb_helper.c:563: undefined reference to `fb_alloc_cmap'
   ld: drivers/gpu/drm/drm_fb_helper.c:589: undefined reference to `framebuffer_release'
   ld: drivers/gpu/drm/drm_fb_helper.c:587: undefined reference to `fb_dealloc_cmap'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_generic_probe':
   drivers/gpu/drm/drm_fb_helper.c:2360: undefined reference to `fb_deferred_io_init'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_fillrect':
   drivers/gpu/drm/drm_fb_helper.c:809: undefined reference to `cfb_fillrect'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_copyarea':
   drivers/gpu/drm/drm_fb_helper.c:824: undefined reference to `cfb_copyarea'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_imageblit':
   drivers/gpu/drm/drm_fb_helper.c:839: undefined reference to `cfb_imageblit'
>> ld: drivers/gpu/drm/drm_fb_helper.c:839: undefined reference to `cfb_imageblit'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_imageblit':
   drivers/gpu/drm/drm_fb_helper.c:794: undefined reference to `sys_imageblit'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_copyarea':
   drivers/gpu/drm/drm_fb_helper.c:824: undefined reference to `cfb_copyarea'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_copyarea':
   drivers/gpu/drm/drm_fb_helper.c:779: undefined reference to `sys_copyarea'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_fillrect':
   drivers/gpu/drm/drm_fb_helper.c:809: undefined reference to `cfb_fillrect'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_fillrect':
   drivers/gpu/drm/drm_fb_helper.c:764: undefined reference to `sys_fillrect'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_cleanup':
   drivers/gpu/drm/drm_fb_helper.c:2054: undefined reference to `fb_deferred_io_cleanup'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_unregister_fbi':
   drivers/gpu/drm/drm_fb_helper.c:605: undefined reference to `unregister_framebuffer'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_read':
   drivers/gpu/drm/drm_fb_helper.c:728: undefined reference to `fb_sys_read'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_write':
   drivers/gpu/drm/drm_fb_helper.c:746: undefined reference to `fb_sys_write'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_fillrect':
   drivers/gpu/drm/drm_fb_helper.c:764: undefined reference to `sys_fillrect'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_copyarea':
   drivers/gpu/drm/drm_fb_helper.c:779: undefined reference to `sys_copyarea'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_imageblit':
   drivers/gpu/drm/drm_fb_helper.c:794: undefined reference to `sys_imageblit'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_set_suspend':
   drivers/gpu/drm/drm_fb_helper.c:856: undefined reference to `fb_set_suspend'
   ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_set_suspend_unlocked':
   drivers/gpu/drm/drm_fb_helper.c:901: undefined reference to `fb_set_suspend'
   ld: drivers/gpu/drm/vmwgfx/vmwgfx_fb.o: in function `vmw_fb_imageblit':
   drivers/gpu/drm/vmwgfx/vmwgfx_fb.c:382: undefined reference to `cfb_imageblit'
   ld: drivers/gpu/drm/vmwgfx/vmwgfx_fb.o: in function `vmw_fb_copyarea':
   drivers/gpu/drm/vmwgfx/vmwgfx_fb.c:375: undefined reference to `cfb_copyarea'
   ld: drivers/gpu/drm/vmwgfx/vmwgfx_fb.o: in function `vmw_fb_fillrect':
   drivers/gpu/drm/vmwgfx/vmwgfx_fb.c:368: undefined reference to `cfb_fillrect'
   ld: drivers/gpu/drm/vmwgfx/vmwgfx_fb.o: in function `vmw_fb_init':
   drivers/gpu/drm/vmwgfx/vmwgfx_fb.c:650: undefined reference to `framebuffer_alloc'
   ld: drivers/gpu/drm/vmwgfx/vmwgfx_fb.c:759: undefined reference to `framebuffer_release'
   ld: drivers/gpu/drm/vmwgfx/vmwgfx_fb.c:743: undefined reference to `fb_deferred_io_init'
   ld: drivers/gpu/drm/vmwgfx/vmwgfx_fb.c:745: undefined reference to `register_framebuffer'
   ld: drivers/gpu/drm/vmwgfx/vmwgfx_fb.c:754: undefined reference to `fb_deferred_io_cleanup'
   ld: drivers/gpu/drm/vmwgfx/vmwgfx_fb.o: in function `vmw_fb_close':
   drivers/gpu/drm/vmwgfx/vmwgfx_fb.c:777: undefined reference to `fb_deferred_io_cleanup'
   ld: drivers/gpu/drm/vmwgfx/vmwgfx_fb.c:779: undefined reference to `unregister_framebuffer'
   ld: drivers/gpu/drm/vmwgfx/vmwgfx_fb.c:786: undefined reference to `framebuffer_release'

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