[PATCH v6 15/44] drm/vkms: Add kunit tests for linear and sRGB LUTs

[kernel test robot]

Hi Harry,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm/drm-next]
[also build test ERROR on drm-exynos/exynos-drm-next drm-misc/drm-misc-next 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/20241003200129.1732122-16-harry.wentland%40amd.com
patch subject: [PATCH v6 15/44] drm/vkms: Add kunit tests for linear and sRGB LUTs
config: x86_64-randconfig-101-20241005 (https://download.01.org/0day-ci/archive/20241005/202410051303.Vy1EjQPJ-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241005/202410051303.Vy1EjQPJ-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/202410051303.Vy1EjQPJ-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/vkms/tests/vkms_color_test.o
>> ERROR: modpost: "srgb_eotf" [drivers/gpu/drm/vkms/tests/vkms_color_test.ko] undefined!
>> ERROR: modpost: "srgb_inv_eotf" [drivers/gpu/drm/vkms/tests/vkms_color_test.ko] undefined!
>> ERROR: modpost: "linear_eotf" [drivers/gpu/drm/vkms/tests/vkms_color_test.ko] undefined!

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