Messages in this thread | | | Date | Sun, 19 Nov 2023 12:46:13 +0800 | From | kernel test robot <> | Subject | drivers/gpu/drm/ttm/ttm_bo_util.c:427:28: sparse: sparse: incorrect type in argument 1 (different address spaces) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b8f1fa2419c19c81bc386a6b350879ba54a573e1 commit: e3912d09bf8ddd8e274118d4c9cc550d9665115d drm/ttm: Introduce KUnit test date: 3 months ago config: nios2-randconfig-r133-20231119 (https://download.01.org/0day-ci/archive/20231119/202311191230.koBEsMLv-lkp@intel.com/config) compiler: nios2-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231119/202311191230.koBEsMLv-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 <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202311191230.koBEsMLv-lkp@intel.com/
sparse warnings: (new ones prefixed by >>) drivers/gpu/drm/ttm/ttm_bo_util.c:318:38: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *virtual @@ got void [noderef] __iomem * @@ drivers/gpu/drm/ttm/ttm_bo_util.c:318:38: sparse: expected void *virtual drivers/gpu/drm/ttm/ttm_bo_util.c:318:38: sparse: got void [noderef] __iomem * drivers/gpu/drm/ttm/ttm_bo_util.c:324:38: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *virtual @@ got void [noderef] __iomem * @@ drivers/gpu/drm/ttm/ttm_bo_util.c:324:38: sparse: expected void *virtual drivers/gpu/drm/ttm/ttm_bo_util.c:324:38: sparse: got void [noderef] __iomem * >> drivers/gpu/drm/ttm/ttm_bo_util.c:427:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got void *virtual @@ drivers/gpu/drm/ttm/ttm_bo_util.c:427:28: sparse: expected void [noderef] __iomem *addr drivers/gpu/drm/ttm/ttm_bo_util.c:427:28: sparse: got void *virtual
vim +427 drivers/gpu/drm/ttm/ttm_bo_util.c
ba4e7d973dd09b Thomas Hellstrom 2009-06-10 413 a3185f91d0579b Christian König 2022-05-09 414 /** a3185f91d0579b Christian König 2022-05-09 415 * ttm_bo_kunmap a3185f91d0579b Christian König 2022-05-09 416 * a3185f91d0579b Christian König 2022-05-09 417 * @map: Object describing the map to unmap. a3185f91d0579b Christian König 2022-05-09 418 * a3185f91d0579b Christian König 2022-05-09 419 * Unmaps a kernel map set up by ttm_bo_kmap. a3185f91d0579b Christian König 2022-05-09 420 */ ba4e7d973dd09b Thomas Hellstrom 2009-06-10 421 void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map) ba4e7d973dd09b Thomas Hellstrom 2009-06-10 422 { ba4e7d973dd09b Thomas Hellstrom 2009-06-10 423 if (!map->virtual) ba4e7d973dd09b Thomas Hellstrom 2009-06-10 424 return; ba4e7d973dd09b Thomas Hellstrom 2009-06-10 425 switch (map->bo_kmap_type) { ba4e7d973dd09b Thomas Hellstrom 2009-06-10 426 case ttm_bo_map_iomap: ba4e7d973dd09b Thomas Hellstrom 2009-06-10 @427 iounmap(map->virtual); ba4e7d973dd09b Thomas Hellstrom 2009-06-10 428 break; ba4e7d973dd09b Thomas Hellstrom 2009-06-10 429 case ttm_bo_map_vmap: ba4e7d973dd09b Thomas Hellstrom 2009-06-10 430 vunmap(map->virtual); ba4e7d973dd09b Thomas Hellstrom 2009-06-10 431 break; ba4e7d973dd09b Thomas Hellstrom 2009-06-10 432 case ttm_bo_map_kmap: ba4e7d973dd09b Thomas Hellstrom 2009-06-10 433 kunmap(map->page); ba4e7d973dd09b Thomas Hellstrom 2009-06-10 434 break; ba4e7d973dd09b Thomas Hellstrom 2009-06-10 435 case ttm_bo_map_premapped: ba4e7d973dd09b Thomas Hellstrom 2009-06-10 436 break; ba4e7d973dd09b Thomas Hellstrom 2009-06-10 437 default: ba4e7d973dd09b Thomas Hellstrom 2009-06-10 438 BUG(); ba4e7d973dd09b Thomas Hellstrom 2009-06-10 439 } d3116756a710e3 Christian König 2021-04-12 440 ttm_mem_io_free(map->bo->bdev, map->bo->resource); ba4e7d973dd09b Thomas Hellstrom 2009-06-10 441 map->virtual = NULL; ba4e7d973dd09b Thomas Hellstrom 2009-06-10 442 map->page = NULL; ba4e7d973dd09b Thomas Hellstrom 2009-06-10 443 } ba4e7d973dd09b Thomas Hellstrom 2009-06-10 444 EXPORT_SYMBOL(ttm_bo_kunmap); ba4e7d973dd09b Thomas Hellstrom 2009-06-10 445
:::::: The code at line 427 was first introduced by commit :::::: ba4e7d973dd09b66912ac4c0856add8b0703a997 drm: Add the TTM GPU memory manager subsystem.
:::::: TO: Thomas Hellstrom <thellstrom@vmware.com> :::::: CC: Dave Airlie <airlied@redhat.com>
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