[Intel-gfx] [PATCH] drm/i915: Try to guess PCH type even without ISA bridge

[kernel test robot]

Hi Xiong,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on drm-tip/drm-tip v5.10 next-20201211]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Xiong-Zhang/drm-i915-Try-to-guess-PCH-type-even-without-ISA-bridge/20201214-150157
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: i386-randconfig-s002-20201214 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-184-g1b896707-dirty
        # https://github.com/0day-ci/linux/commit/718272991fa5c06a48629bce020ecfbdea006f96
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Xiong-Zhang/drm-i915-Try-to-guess-PCH-type-even-without-ISA-bridge/20201214-150157
        git checkout 718272991fa5c06a48629bce020ecfbdea006f96
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 

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/intel_pch.c:187:6: sparse: sparse: symbol 'intel_detect_pch_virt' 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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