Hi Zhi, I love your patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-tip/drm-tip drm/drm-next next-20220325] [cannot apply to tegra-drm/drm/tegra/for-next airlied/drm-next v5.17] [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-Separate-the-MMIO-tracking-table-from-GVT-g/20220326-015627 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-randconfig-c002 (https://download.01.org/0day-ci/archive/20220326/202203260829.JUQaTzGt-lkp@xxxxxxxxx/config) compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/8203f91121efdcc910bde0bc4fe5ea678bdaaa5b git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Zhi-Wang/i915-gvt-Separate-the-MMIO-tracking-table-from-GVT-g/20220326-015627 git checkout 8203f91121efdcc910bde0bc4fe5ea678bdaaa5b # 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 errors (new ones prefixed by >>): In file included from drivers/gpu/drm/i915/i915_driver.c:92: >> drivers/gpu/drm/i915/intel_gvt.h:66:15: error: no previous prototype for 'intel_gvt_get_device_type' [-Werror=missing-prototypes] 66 | unsigned long intel_gvt_get_device_type(struct drm_i915_private *i915) | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/intel_gvt.h:71:41: error: 'struct intel_gvt_mmio_table_iter' declared inside parameter list will not be visible outside of this definition or declaration [-Werror] 71 | int intel_gvt_iterate_mmio_table(struct intel_gvt_mmio_table_iter *iter) | ^~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/i915/intel_gvt.h:71:5: error: no previous prototype for 'intel_gvt_iterate_mmio_table' [-Werror=missing-prototypes] 71 | int intel_gvt_iterate_mmio_table(struct intel_gvt_mmio_table_iter *iter) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- In file included from drivers/gpu/drm/i915/gvt/gvt.h:39, from <command-line>: >> drivers/gpu/drm/i915/intel_gvt.h:66:15: error: no previous prototype for 'intel_gvt_get_device_type' [-Werror=missing-prototypes] 66 | unsigned long intel_gvt_get_device_type(struct drm_i915_private *i915) | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/intel_gvt.h:71:41: error: 'struct intel_gvt_mmio_table_iter' declared inside parameter list will not be visible outside of this definition or declaration [-Werror] 71 | int intel_gvt_iterate_mmio_table(struct intel_gvt_mmio_table_iter *iter) | ^~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/i915/intel_gvt.h:71:5: error: no previous prototype for 'intel_gvt_iterate_mmio_table' [-Werror=missing-prototypes] 71 | int intel_gvt_iterate_mmio_table(struct intel_gvt_mmio_table_iter *iter) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/i915/gvt/gvt.h:43, from <command-line>: >> drivers/gpu/drm/i915/gvt/mmio.h:74:15: error: conflicting types for 'intel_gvt_get_device_type' 74 | unsigned long intel_gvt_get_device_type(struct intel_gvt *gvt); | ^~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/i915/gvt/gvt.h:39, from <command-line>: drivers/gpu/drm/i915/intel_gvt.h:66:15: note: previous definition of 'intel_gvt_get_device_type' was here 66 | unsigned long intel_gvt_get_device_type(struct drm_i915_private *i915) | ^~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/intel_gvt_get_device_type +66 drivers/gpu/drm/i915/intel_gvt.h 65 > 66 unsigned long intel_gvt_get_device_type(struct drm_i915_private *i915) 67 { 68 return 0; 69 } 70 > 71 int intel_gvt_iterate_mmio_table(struct intel_gvt_mmio_table_iter *iter) 72 { 73 return 0; 74 } 75 #endif 76 -- 0-DAY CI Kernel Test Service https://01.org/lkp
