Hi Zhi,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm-tip/drm-tip]
[also build test WARNING on next-20220127]
[cannot apply to drm-intel/for-linux-next v5.17-rc1]
[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/Zhi-Wang/i915-gvt-Introduce-the-mmio_table-c-to-support-VFIO-new-mdev-API/20220127-200727
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: x86_64-allyesconfig 
(https://download.01.org/0day-ci/archive/20220128/202201280125.vultasas-...@intel.com/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/533f92651a7a56481a053f1e04dc5a5ec024ffb9
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review 
Zhi-Wang/i915-gvt-Introduce-the-mmio_table-c-to-support-VFIO-new-mdev-API/20220127-200727
        git checkout 533f92651a7a56481a053f1e04dc5a5ec024ffb9
        # save the config file 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 <l...@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/i915/gvt/mmio_table.c:37: warning: expecting prototype for 
>> intel_gvt_get_init_device_info(). Prototype was for 
>> intel_gvt_init_device_info() instead


vim +37 drivers/gpu/drm/i915/gvt/mmio_table.c

    28  
    29  /**
    30   * intel_gvt_get_init_device_info - Fill a GVT device info
    31   * @i915: drm i915 private data
    32   * @info: GVT device info
    33   *
    34   * This function will be called during the initialization of a GVT 
device.
    35   */
    36  void intel_gvt_init_device_info(struct drm_i915_private *i915, struct 
intel_gvt_device_info *info)
  > 37  {
    38          struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
    39  
    40          info->max_support_vgpus = 8;
    41          info->cfg_space_size = PCI_CFG_SPACE_EXP_SIZE;
    42          info->mmio_size = 2 * 1024 * 1024;
    43          info->mmio_bar = 0;
    44          info->gtt_start_offset = 8 * 1024 * 1024;
    45          info->gtt_entry_size = 8;
    46          info->gtt_entry_size_shift = 3;
    47          info->gmadr_bytes_in_cmd = 8;
    48          info->max_surface_size = 36 * 1024 * 1024;
    49          info->msi_cap_offset = pdev->msi_cap;
    50  }
    51  

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

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