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SubjectRe: [Intel-gfx] [PATCH 1/3] i915/gvt: Introduce the mmio_table.c to support VFIO new mdev API
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-rhel-8.3 (https://download.01.org/0day-ci/archive/20220128/202201280218.aDxaMjx6-lkp@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 <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/i915/gvt/handlers.c:45:6: warning: no previous prototype for 'intel_gvt_match_device' [-Wmissing-prototypes]
45 | bool intel_gvt_match_device(struct intel_gvt *gvt,
| ^~~~~~~~~~~~~~~~~~~~~~


vim +/intel_gvt_match_device +45 drivers/gpu/drm/i915/gvt/handlers.c

12d14cc43b3470 Zhi Wang 2016-08-30 44
12d14cc43b3470 Zhi Wang 2016-08-30 @45 bool intel_gvt_match_device(struct intel_gvt *gvt,
12d14cc43b3470 Zhi Wang 2016-08-30 46 unsigned long device)
12d14cc43b3470 Zhi Wang 2016-08-30 47 {
533f92651a7a56 Zhi Wang 2022-01-27 48 return intel_gvt_get_device_type(gvt->gt->i915) & device;
12d14cc43b3470 Zhi Wang 2016-08-30 49 }
12d14cc43b3470 Zhi Wang 2016-08-30 50

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

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