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-lkp@xxxxxxxxx/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@xxxxxxxxx> 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-all@xxxxxxxxxxxx
