Hi Maxime, I love your patch! Perhaps something to improve: [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on drm-tip/drm-tip next-20220503] [cannot apply to anholt/for-next v5.18-rc5] [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/Maxime-Ripard/drm-vc4-Properly-separate-v3d-on-BCM2711-and-fix-frame-ordering/20220503-201745 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220503/202205032134.wMMUQ85T-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 11.3.0 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/0db44bd12236a0a64cf67bbef6b11df5bbe37134 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Maxime-Ripard/drm-vc4-Properly-separate-v3d-on-BCM2711-and-fix-frame-ordering/20220503-201745 git checkout 0db44bd12236a0a64cf67bbef6b11df5bbe37134 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash drivers/gpu/drm/vc4/ 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/vc4/vc4_crtc.c: In function 'vc4_async_set_fence_cb': >> drivers/gpu/drm/vc4/vc4_crtc.c:865:57: warning: implicit conversion from 'enum <anonymous>' to 'enum dma_resv_usage' [-Wenum-conversion] 865 | ret = dma_resv_get_singleton(cma_bo->base.resv, false, &fence); | ^~~~~ vim +865 drivers/gpu/drm/vc4/vc4_crtc.c 848 849 static int vc4_async_set_fence_cb(struct drm_device *dev, 850 struct vc4_async_flip_state *flip_state) 851 { 852 struct drm_framebuffer *fb = flip_state->fb; 853 struct drm_gem_cma_object *cma_bo = drm_fb_cma_get_gem_obj(fb, 0); 854 struct vc4_dev *vc4 = to_vc4_dev(dev); 855 struct dma_fence *fence; 856 int ret; 857 858 if (!vc4->is_vc5) { 859 struct vc4_bo *bo = to_vc4_bo(&cma_bo->base); 860 861 return vc4_queue_seqno_cb(dev, &flip_state->cb.seqno, bo->seqno, 862 vc4_async_page_flip_seqno_complete); 863 } 864 > 865 ret = dma_resv_get_singleton(cma_bo->base.resv, false, &fence); 866 if (ret) 867 return ret; 868 869 if (dma_fence_add_callback(fence, &flip_state->cb.fence, 870 vc4_async_page_flip_fence_complete)) 871 vc4_async_page_flip_fence_complete(fence, &flip_state->cb.fence); 872 873 return 0; 874 } 875 -- 0-DAY CI Kernel Test Service https://01.org/lkp