Hi Matthew, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-tip/drm-tip] [also build test WARNING on linus/master v5.19-rc3 next-20220621] [cannot apply to drm-intel/for-linux-next drm/drm-next] [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/intel-lab-lkp/linux/commits/Matthew-Auld/small-BAR-uapi-bits/20220621-184858 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip config: i386-randconfig-a004 (https://download.01.org/0day-ci/archive/20220622/202206220325.JAXbxJ16-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project af6d2a0b6825e71965f3e2701a63c239fa0ad70f) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/c421b7689a4552aa8e3acc2fe558d097c464870e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Matthew-Auld/small-BAR-uapi-bits/20220621-184858 git checkout c421b7689a4552aa8e3acc2fe558d097c464870e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/i915/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/gpu/drm/i915/i915_ttm_buddy_manager.c:374: warning: expecting prototype for i915_ttm_buddy_man_visible_size(). Prototype was for i915_ttm_buddy_man_avail() instead vim +374 drivers/gpu/drm/i915/i915_ttm_buddy_manager.c 362 363 /** 364 * i915_ttm_buddy_man_visible_size - Query the avail tracking for the manager. 365 * 366 * @man: The buddy allocator ttm manager 367 * @avail: The total available memory in pages for the entire manager. 368 * @visible_avail: The total available memory in pages for the CPU visible 369 * portion. Note that this will always give the same value as @avail on 370 * configurations that don't have a small BAR. 371 */ 372 void i915_ttm_buddy_man_avail(struct ttm_resource_manager *man, 373 u64 *avail, u64 *visible_avail) > 374 { 375 struct i915_ttm_buddy_manager *bman = to_buddy_manager(man); 376 377 mutex_lock(&bman->lock); 378 *avail = bman->mm.avail >> PAGE_SHIFT; 379 *visible_avail = bman->visible_avail; 380 mutex_unlock(&bman->lock); 381 } 382 -- 0-DAY CI Kernel Test Service https://01.org/lkp
