[Intel-gfx] [PATCH] drm/i915: Skip remap_io() calls for non-x86 platforms

[kernel test robot]

Hi Mullati,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on drm-tip/drm-tip v5.16-rc1 next-20211118]
[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]

url:    https://github.com/0day-ci/linux/commits/Mullati-Siva/drm-i915-Skip-remap_io-calls-for-non-x86-platforms/20211118-191629
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/3cc867f614222b682fb1f739ff6db5133d9352ad
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Mullati-Siva/drm-i915-Skip-remap_io-calls-for-non-x86-platforms/20211118-191629
        git checkout 3cc867f614222b682fb1f739ff6db5133d9352ad
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   drivers/gpu/drm/i915/i915_mm.h:12:29: error: 'struct io_mapping' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
      12 |                      struct io_mapping *iomap);
         |                             ^~~~~~~~~~
   drivers/gpu/drm/i915/i915_mm.h:10:29: error: 'struct vm_area_struct' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
      10 | int remap_io_mapping(struct vm_area_struct *vma,
         |                             ^~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/i915_mm.h:15:42: error: unknown type name 'resource_size_t'
      15 |                 struct scatterlist *sgl, resource_size_t iobase);
         |                                          ^~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/resource_size_t +15 drivers/gpu/drm/i915/i915_mm.h

     8	
     9	#if IS_ENABLED(CONFIG_X86)
    10	int remap_io_mapping(struct vm_area_struct *vma,
    11	                     unsigned long addr, unsigned long pfn, unsigned long size,
    12	                     struct io_mapping *iomap);
    13	int remap_io_sg(struct vm_area_struct *vma,
    14	                unsigned long addr, unsigned long size,
  > 15	                struct scatterlist *sgl, resource_size_t iobase);
    16	#else
    17	static inline int remap_io_mapping(struct vm_area_struct *vma,
    18	                     unsigned long addr, unsigned long pfn, unsigned long size,
    19	                     struct io_mapping *iomap)
    20	{
    21	        return 0;
    22	}
    23	static inline int remap_io_sg(struct vm_area_struct *vma,
    24	                unsigned long addr, unsigned long size,
    25	                struct scatterlist *sgl, resource_size_t iobase)
    26	{
    27	        return 0;
    28	}
    29	#endif
    30	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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