[Intel-gfx] [PATCH 3/4] drm/i915: Use wm0 only during async flips for DG2

[kernel test robot]

Hi Stanislav,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on drm-tip/drm-tip v5.16-rc4 next-20211207]
[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/Stanislav-Lisovskiy/drm-i915-Pass-plane-to-watermark-calculation-functions/20211207-190910
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-s022-20211207 (https://download.01.org/0day-ci/archive/20211208/202112081025.cnj6ALZj-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://github.com/0day-ci/linux/commit/8c7a53ddec5435d127040d03a1eb073ec71608dc
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Stanislav-Lisovskiy/drm-i915-Pass-plane-to-watermark-calculation-functions/20211207-190910
        git checkout 8c7a53ddec5435d127040d03a1eb073ec71608dc
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 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/intel_pm.c:5500:6: sparse: sparse: symbol 'dg2_async_flip_optimization' 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