[Intel-gfx] [PATCH] drm: Fix oops in damage self-tests by mocking damage property

[kernel test robot]

Hi Daniel,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm-tip/drm-tip]
[also build test WARNING on drm-intel/for-linux-next drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next linus/master v5.14-rc3 next-20210729]
[cannot apply to drm/drm-next]
[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/Daniel-Vetter/drm-Fix-oops-in-damage-self-tests-by-mocking-damage-property/20210730-175415
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: i386-randconfig-s001-20210730 (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://github.com/0day-ci/linux/commit/cfe1add77c3c78aec60eb1645950c6aa2daf8b4d
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Daniel-Vetter/drm-Fix-oops-in-damage-self-tests-by-mocking-damage-property/20210730-175415
        git checkout cfe1add77c3c78aec60eb1645950c6aa2daf8b4d
        # 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/selftests/

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/selftests/test-drm_damage_helper.c:15:19: sparse: sparse: symbol 'mock_device' was not declared. Should it be static?
>> drivers/gpu/drm/selftests/test-drm_damage_helper.c:16:30: sparse: sparse: symbol 'mock_obj_props' was not declared. Should it be static?
>> drivers/gpu/drm/selftests/test-drm_damage_helper.c:17:18: sparse: sparse: symbol 'mock_plane' was not declared. Should it be static?
>> drivers/gpu/drm/selftests/test-drm_damage_helper.c:18:21: sparse: sparse: symbol 'mock_prop' was not declared. Should it be static?
   drivers/gpu/drm/selftests/test-drm_damage_helper.c:101:30: sparse: sparse: symbol 'fb' was not declared. Should it be static?
   drivers/gpu/drm/selftests/test-drm_damage_helper.c:259:23: sparse: sparse: Using plain integer as NULL pointer

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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