[PATCH 6/6] drm/xe/xe_vm: Implement xe_vm_get_property_ioctl

[kernel test robot]

Hi Jonathan,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-xe/drm-xe-next]
[also build test ERROR on next-20250226]
[cannot apply to linus/master v6.14-rc4]
[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/Jonathan-Cavitt/drm-xe-xe_gt_pagefault-Migrate-lookup_vma-to-xe_vm-h/20250227-070008
base:   https://gitlab.freedesktop.org/drm/xe/kernel.git drm-xe-next
patch link:    https://lore.kernel.org/r/20250226225557.133076-7-jonathan.cavitt%40intel.com
patch subject: [PATCH 6/6] drm/xe/xe_vm: Implement xe_vm_get_property_ioctl
config: s390-randconfig-001-20250227 (https://download.01.org/0day-ci/archive/20250227/202502271029.67aYhWm6-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/20250227/202502271029.67aYhWm6-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/202502271029.67aYhWm6-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/xe/xe_vm.c:3288:2: error: use of undeclared identifier 'vma'; did you mean 'vm'?
    3288 |         vma = lookup_vma(vm, pf->page_addr);
         |         ^~~
         |         vm
   drivers/gpu/drm/xe/xe_vm.c:3283:56: note: 'vm' declared here
    3283 | xe_pagefault_access_type_to_address_type(struct xe_vm *vm, struct xe_pagefault *pf)
         |                                                        ^
>> drivers/gpu/drm/xe/xe_vm.c:3288:8: error: call to undeclared function 'lookup_vma'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    3288 |         vma = lookup_vma(vm, pf->page_addr);
         |               ^
>> drivers/gpu/drm/xe/xe_vm.c:3288:6: error: incompatible integer to pointer conversion assigning to 'struct xe_vm *' from 'int' [-Wint-conversion]
    3288 |         vma = lookup_vma(vm, pf->page_addr);
         |             ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/xe/xe_vm.c:3289:7: error: use of undeclared identifier 'vma'; did you mean 'vm'?
    3289 |         if (!vma)
         |              ^~~
         |              vm
   drivers/gpu/drm/xe/xe_vm.c:3283:56: note: 'vm' declared here
    3283 | xe_pagefault_access_type_to_address_type(struct xe_vm *vm, struct xe_pagefault *pf)
         |                                                        ^
   drivers/gpu/drm/xe/xe_vm.c:3291:23: error: use of undeclared identifier 'vma'; did you mean 'vm'?
    3291 |         if (xe_vma_read_only(vma) && pf->access_type != XE_PAGEFAULT_ACCESS_TYPE_READ)
         |                              ^~~
         |                              vm
   drivers/gpu/drm/xe/xe_vm.c:3283:56: note: 'vm' declared here
    3283 | xe_pagefault_access_type_to_address_type(struct xe_vm *vm, struct xe_pagefault *pf)
         |                                                        ^
   5 errors generated.


vim +3288 drivers/gpu/drm/xe/xe_vm.c

  3281	
  3282	static enum drm_xe_fault_address_type
  3283	xe_pagefault_access_type_to_address_type(struct xe_vm *vm, struct xe_pagefault *pf)
  3284	{
  3285		if (!pf)
  3286			return 0;
  3287	
> 3288		vma = lookup_vma(vm, pf->page_addr);
  3289		if (!vma)
  3290			return DRM_XE_FAULT_ADDRESS_TYPE_NONE_EXT;
  3291		if (xe_vma_read_only(vma) && pf->access_type != XE_PAGEFAULT_ACCESS_TYPE_READ)
  3292			return DRM_XE_FAULT_ADDRESS_TYPE_WRITE_INVALID_EXT;
  3293		return 0;
  3294	}
  3295	

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