Re: [v3 01/23] drm: color pipeline base work

[kernel test robot <lkp@intel.com>]

Hi Uma,

kernel test robot noticed the following build warnings:

[auto build test WARNING on next-20250305]
[also build test WARNING on v6.14-rc5]
[cannot apply to drm-exynos/exynos-drm-next linus/master v6.14-rc5 v6.14-rc4 v6.14-rc3]
[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/Uma-Shankar/drm-color-pipeline-base-work/20250306-011827
base:   next-20250305
patch link:    https://lore.kernel.org/r/20250305132608.2379253-2-uma.shankar%40intel.com
patch subject: [v3 01/23] drm: color pipeline base work
config: i386-buildonly-randconfig-003-20250306 (https://download.01.org/0day-ci/archive/20250306/202503060428.qINtTEJ1-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250306/202503060428.qINtTEJ1-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503060428.qINtTEJ1-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/gpu/drm/drm_colorop.c:30:
   In file included from include/drm/drm_plane.h:33:
   In file included from include/drm/drm_util.h:36:
   In file included from include/linux/kgdb.h:19:
   In file included from include/linux/kprobes.h:28:
   In file included from include/linux/ftrace.h:13:
   In file included from include/linux/kallsyms.h:13:
   In file included from include/linux/mm.h:2306:
   include/linux/vmstat.h:507:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     507 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
>> drivers/gpu/drm/drm_colorop.c:162:6: warning: no previous prototype for function 'drm_colorop_cleanup' [-Wmissing-prototypes]
     162 | void drm_colorop_cleanup(struct drm_colorop *colorop)
         |      ^
   drivers/gpu/drm/drm_colorop.c:162:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
     162 | void drm_colorop_cleanup(struct drm_colorop *colorop)
         | ^
         | static 
   2 warnings generated.


vim +/drm_colorop_cleanup +162 drivers/gpu/drm/drm_colorop.c

   156	
   157	/**
   158	 * drm_colorop_cleanup - Cleanup a drm_colorop object in color_pipeline
   159	 *
   160	 * @colorop: The drm_colorop object to be cleaned
   161	 */
 > 162	void drm_colorop_cleanup(struct drm_colorop *colorop)
   163	{
   164		struct drm_device *dev = colorop->dev;
   165		struct drm_mode_config *config = &dev->mode_config;
   166	
   167		list_del(&colorop->head);
   168		config->num_colorop--;
   169	
   170		if (colorop->state && colorop->state->data) {
   171			drm_property_blob_put(colorop->state->data);
   172			colorop->state->data = NULL;
   173		}
   174	
   175		kfree(colorop->state);
   176		kfree(colorop);
   177	}
   178	

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