Hi Dave, I love your patch! Yet something to improve: [auto build test ERROR on tegra-drm/drm/tegra/for-next] [also build test ERROR on linus/master v5.10-rc4] [cannot apply to drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-tip/drm-tip drm/drm-next next-20201118] [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/Dave-Airlie/drm-vram-fix-incorrect-flag-variable-usage/20201119-091523 base: git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next config: riscv-randconfig-r034-20201119 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project b2613fb2f0f53691dd0211895afbb9413457fca7) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/0day-ci/linux/commit/34989355252d40699a479afefb95750e30b90766 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Dave-Airlie/drm-vram-fix-incorrect-flag-variable-usage/20201119-091523 git checkout 34989355252d40699a479afefb95750e30b90766 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/gpu/drm/drm_gem_vram_helper.c:143:3: error: use of undeclared identifier 'invariant_flag'; did you mean 'invariant_flags'? invariant_flag = TTM_PL_FLAG_TOPDOWN; ^~~~~~~~~~~~~~ invariant_flags drivers/gpu/drm/drm_gem_vram_helper.c:138:6: note: 'invariant_flags' declared here u32 invariant_flags = 0; ^ 1 error generated. vim +143 drivers/gpu/drm/drm_gem_vram_helper.c 134 135 static void drm_gem_vram_placement(struct drm_gem_vram_object *gbo, 136 unsigned long pl_flag) 137 { 138 u32 invariant_flags = 0; 139 unsigned int i; 140 unsigned int c = 0; 141 142 if (pl_flag & DRM_GEM_VRAM_PL_FLAG_TOPDOWN) > 143 invariant_flag = TTM_PL_FLAG_TOPDOWN; 144 145 gbo->placement.placement = gbo->placements; 146 gbo->placement.busy_placement = gbo->placements; 147 148 if (pl_flag & DRM_GEM_VRAM_PL_FLAG_VRAM) { 149 gbo->placements[c].mem_type = TTM_PL_VRAM; 150 gbo->placements[c++].flags = TTM_PL_FLAG_WC | 151 TTM_PL_FLAG_UNCACHED | 152 invariant_flags; 153 } 154 155 if (pl_flag & DRM_GEM_VRAM_PL_FLAG_SYSTEM || !c) { 156 gbo->placements[c].mem_type = TTM_PL_SYSTEM; 157 gbo->placements[c++].flags = TTM_PL_MASK_CACHING | 158 invariant_flags; 159 } 160 161 gbo->placement.num_placement = c; 162 gbo->placement.num_busy_placement = c; 163 164 for (i = 0; i < c; ++i) { 165 gbo->placements[i].fpfn = 0; 166 gbo->placements[i].lpfn = 0; 167 } 168 } 169 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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