Hi Thomas, I love your patch! Yet something to improve: [auto build test ERROR on next-20200519] [cannot apply to sunxi/sunxi/for-next joel-aspeed/for-next shawnguo/for-next stm32/stm32-next linus/master pinchartl-media/drm/du/next v5.7-rc6 v5.7-rc5 v5.7-rc4 v5.7-rc6] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Thomas-Zimmermann/drm-Convert-most-CMA-based-drivers-to-GEM-object-functions/20200522-215754 base: fb57b1fabcb28f358901b2df90abd2b48abc1ca8 config: arm64-randconfig-r032-20200524 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 3393cc4cebf9969db94dc424b7a2b6195589c33b) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): >> drivers/gpu/drm/zte/zx_drm_drv.c:39:2: error: use of undeclared identifier 'DRM_GEM_CMA_VMAP_DRIVER_OPS' DRM_GEM_CMA_VMAP_DRIVER_OPS, ^ 1 error generated. vim +/DRM_GEM_CMA_VMAP_DRIVER_OPS +39 drivers/gpu/drm/zte/zx_drm_drv.c 36 37 static struct drm_driver zx_drm_driver = { 38 .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, > 39 DRM_GEM_CMA_VMAP_DRIVER_OPS, 40 .fops = &zx_drm_fops, 41 .name = "zx-vou", 42 .desc = "ZTE VOU Controller DRM", 43 .date = "20160811", 44 .major = 1, 45 .minor = 0, 46 }; 47 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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