[zen:7.2/vramstuff 9/29] drivers/gpu/drm/ttm/ttm_bo_util.c:52:35: sparse: sparse: symbol 'ttm_transfer_object_funcs' was not declared. Should it be static?

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

tree:   https://github.com/zen-kernel/zen-kernel 7.2/vramstuff
head:   13a8e2000329a36f994acf2fd31d307d27fa9189
commit: 57394df648c83d7fb95565867626ecdda07f4af7 [9/29] drm/ttm: replace TTMs refcount with the DRM refcount v4
config: um-randconfig-r134-20260829 (https://download.01.org/0day-ci/archive/20260830/202608301731.UpNNN4bY-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.4.0-5) 12.4.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260830/202608301731.UpNNN4bY-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/202608301731.UpNNN4bY-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/ttm/ttm_bo_util.c:52:35: sparse: sparse: symbol 'ttm_transfer_object_funcs' was not declared. Should it be static?
   drivers/gpu/drm/ttm/ttm_bo_util.c:342:38: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void *virtual @@     got void [noderef] __iomem * @@
   drivers/gpu/drm/ttm/ttm_bo_util.c:342:38: sparse:     expected void *virtual
   drivers/gpu/drm/ttm/ttm_bo_util.c:342:38: sparse:     got void [noderef] __iomem *
   drivers/gpu/drm/ttm/ttm_bo_util.c:348:38: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void *virtual @@     got void [noderef] __iomem * @@
   drivers/gpu/drm/ttm/ttm_bo_util.c:348:38: sparse:     expected void *virtual
   drivers/gpu/drm/ttm/ttm_bo_util.c:348:38: sparse:     got void [noderef] __iomem *
   drivers/gpu/drm/ttm/ttm_bo_util.c:478:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void volatile [noderef] __iomem *addr @@     got void *virtual @@
   drivers/gpu/drm/ttm/ttm_bo_util.c:478:28: sparse:     expected void volatile [noderef] __iomem *addr
   drivers/gpu/drm/ttm/ttm_bo_util.c:478:28: sparse:     got void *virtual

vim +/ttm_transfer_object_funcs +52 drivers/gpu/drm/ttm/ttm_bo_util.c

    51	
  > 52	const struct drm_gem_object_funcs ttm_transfer_object_funcs = {
    53		.free = ttm_transfer_object_free,
    54	};
    55	

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