Hi Donald Sarah, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes linus/master v6.7-rc2] [cannot apply to drm/drm-next drm-tip/drm-tip next-20231124] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Donald-Robson/drm-gpuvm-Helper-to-get-range-of-unmap-from-a-remap-op/20231123-013514 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/3c96dd170efe759b73897e3675d7310a7c4b06d0.1700668843.git.donald.robson%40imgtec.com patch subject: [PATCH v9 11/20] drm/imagination: Add GEM and VM related code config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20231124/202311242159.hh8MWiAm-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231124/202311242159.hh8MWiAm-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202311242159.hh8MWiAm-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/imagination/pvr_vm.c:531:6: warning: no previous prototype for function 'pvr_gpuvm_free' [-Wmissing-prototypes] 531 | void pvr_gpuvm_free(struct drm_gpuvm *gpuvm) | ^ drivers/gpu/drm/imagination/pvr_vm.c:531:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 531 | void pvr_gpuvm_free(struct drm_gpuvm *gpuvm) | ^ | static drivers/gpu/drm/imagination/pvr_vm.c:112:22: warning: unused function 'to_pvr_vm_gpuva' [-Wunused-function] 112 | struct pvr_vm_gpuva *to_pvr_vm_gpuva(struct drm_gpuva *gpuva) | ^ 2 warnings generated. -- >> drivers/gpu/drm/imagination/pvr_mmu.c:285: warning: Function parameter or member 'flags' not described in 'pvr_mmu_backing_page_sync' -- >> drivers/gpu/drm/imagination/pvr_vm.c:65: warning: Function parameter or member 'gpuvm_mgr' not described in 'pvr_vm_context' vim +/pvr_gpuvm_free +531 drivers/gpu/drm/imagination/pvr_vm.c 530 > 531 void pvr_gpuvm_free(struct drm_gpuvm *gpuvm) 532 { 533 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
