[PATCH v6 03/44] drm/vkms: Add kunit tests for VKMS LUT handling

[kernel test robot]

Hi Harry,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm/drm-next]
[also build test WARNING on drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-misc/drm-misc-next drm-tip/drm-tip linus/master v6.12-rc1 next-20241004]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Harry-Wentland/drm-Add-helper-for-conversion-from-signed-magnitude/20241004-040629
base:   git://anongit.freedesktop.org/drm/drm drm-next
patch link:    https://lore.kernel.org/r/20241003200129.1732122-4-harry.wentland%40amd.com
patch subject: [PATCH v6 03/44] drm/vkms: Add kunit tests for VKMS LUT handling
config: csky-randconfig-r112-20241005 (https://download.01.org/0day-ci/archive/20241005/202410051655.9wEF2CHW-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 14.1.0
reproduce: (https://download.01.org/0day-ci/archive/20241005/202410051655.9wEF2CHW-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410051655.9wEF2CHW-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/vkms/tests/vkms_color_test.c:33:29: sparse: sparse: symbol 'test_linear_lut' was not declared. Should it be static?

vim +/test_linear_lut +33 drivers/gpu/drm/vkms/tests/vkms_color_test.c

    32	
  > 33	const struct vkms_color_lut test_linear_lut = {
    34		.base = test_linear_array,
    35		.lut_length = TEST_LUT_SIZE,
    36		.channel_value2index_ratio = 0xf000fll
    37	};
    38	
    39	

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