Hi "Thomas, I love your patch! Yet something to improve: [auto build test ERROR on drm-tip/drm-tip] [also build test ERROR on drm-exynos/exynos-drm-next drm/drm-next v5.16-rc2 next-20211118] [cannot apply to drm-intel/for-linux-next tegra-drm/drm/tegra/for-next airlied/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/0day-ci/linux/commits/Thomas-Hellstr-m/drm-i915-ttm-As... base: git://anongit.freedesktop.org/drm/drm-tip drm-tip config: x86_64-randconfig-a003-20211122 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c133fb321f7ca6083ce15b6aa5bf89de6600e649) 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/0day-ci/linux/commit/387d80b6342f138213ce6e79e84459597... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Thomas-Hellstr-m/drm-i915-ttm-Async-migration/20211122-162430 git checkout 387d80b6342f138213ce6e79e84459597b4a0394 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): static int i915_vma_verify_bind_complete(struct i915_vma *vma) ^ 1 error generated. vim +/i915_vma_verify_bind_complete +356 drivers/gpu/drm/i915/i915_vma.c 355 357 { 358 int err = 0; 359 360 if (i915_active_has_exclusive(&vma->active)) { 361 struct dma_fence *fence = 362 i915_active_fence_get(&vma->active.excl); 363 364 if (!fence) 365 return 0; 366 367 if (dma_fence_is_signaled(fence)) 368 err = fence->error; 369 else 370 err = -EBUSY; 371 372 dma_fence_put(fence); 373 } 374 375 return err; 376 } 377 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org