[airlied:drm-intel-display-refactor 12/19] drivers/gpu/drm/i915/display/intel_dump_verify.c:19:1: sparse: sparse: symbol 'pipe_config_mismatch' was not declared. Should it be static?

[kernel test robot]

tree:   git://people.freedesktop.org/~airlied/linux.git drm-intel-display-refactor
head:   cb45bcc9cf97016e5d4edb7a4196f0847437460e
commit: 678661f2ff1ba755fc652011d3edb2977165f508 [12/19] drm/i915/display: move display dump/verify code to a separate file
config: i386-randconfig-s002-20211013 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        git remote add airlied git://people.freedesktop.org/~airlied/linux.git
        git fetch --no-tags airlied drm-intel-display-refactor
        git checkout 678661f2ff1ba755fc652011d3edb2977165f508
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/i915/

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


sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/i915/display/intel_dump_verify.c:19:1: sparse: sparse: symbol 'pipe_config_mismatch' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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