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Sat, 09 Sep 2023 20:18:44 +0000 Date: Sun, 10 Sep 2023 04:17:54 +0800 From: kernel test robot To: Sui Jingfeng Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org Subject: drivers/gpu/drm/loongson/lsdc_benchmark.c:27:35: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202309100448.LTa4vVqD-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6099776f9f268e61fe5ecd721f994a8cfce5306f commit: f39db26c54281da6a785259498ca74b5e470476f drm: Add kms driver for loongson display controller date: 10 weeks ago config: i386-randconfig-061-20230909 (https://download.01.org/0day-ci/archive/20230910/202309100448.LTa4vVqD-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230910/202309100448.LTa4vVqD-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202309100448.LTa4vVqD-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/loongson/lsdc_benchmark.c:27:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem * @@ got void *kptr @@ drivers/gpu/drm/loongson/lsdc_benchmark.c:27:35: sparse: expected void volatile [noderef] __iomem * drivers/gpu/drm/loongson/lsdc_benchmark.c:27:35: sparse: got void *kptr >> drivers/gpu/drm/loongson/lsdc_benchmark.c:42:51: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got void *kptr @@ drivers/gpu/drm/loongson/lsdc_benchmark.c:42:51: sparse: expected void const volatile [noderef] __iomem * drivers/gpu/drm/loongson/lsdc_benchmark.c:42:51: sparse: got void *kptr vim +27 drivers/gpu/drm/loongson/lsdc_benchmark.c 12 13 typedef void (*lsdc_copy_proc_t)(struct lsdc_bo *src_bo, 14 struct lsdc_bo *dst_bo, 15 unsigned int size, 16 int n); 17 18 static void lsdc_copy_gtt_to_vram_cpu(struct lsdc_bo *src_bo, 19 struct lsdc_bo *dst_bo, 20 unsigned int size, 21 int n) 22 { 23 lsdc_bo_kmap(src_bo); 24 lsdc_bo_kmap(dst_bo); 25 26 while (n--) > 27 memcpy_toio(dst_bo->kptr, src_bo->kptr, size); 28 29 lsdc_bo_kunmap(src_bo); 30 lsdc_bo_kunmap(dst_bo); 31 } 32 33 static void lsdc_copy_vram_to_gtt_cpu(struct lsdc_bo *src_bo, 34 struct lsdc_bo *dst_bo, 35 unsigned int size, 36 int n) 37 { 38 lsdc_bo_kmap(src_bo); 39 lsdc_bo_kmap(dst_bo); 40 41 while (n--) > 42 memcpy_fromio(dst_bo->kptr, src_bo->kptr, size); 43 44 lsdc_bo_kunmap(src_bo); 45 lsdc_bo_kunmap(dst_bo); 46 } 47 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki