tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: bdffb18b5dd8071cd25685b966f380a30b1fadaa commit: f39db26c54281da6a785259498ca74b5e470476f [486/7272] drm: Add kms driver for loongson display controller config: powerpc-randconfig-r071-20230807 (https://download.01.org/0day-ci/archive/20230807/202308070441.J6UHTRw5-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230807/202308070441.J6UHTRw5-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308070441.J6UHTRw5-lkp@xxxxxxxxx/ 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 *d @@ got void *kptr @@ drivers/gpu/drm/loongson/lsdc_benchmark.c:27:35: sparse: expected void volatile [noderef] __iomem *d 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 *s @@ got void *kptr @@ drivers/gpu/drm/loongson/lsdc_benchmark.c:42:51: sparse: expected void const volatile [noderef] __iomem *s 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
