Re: [PATCH drm-next v2 13/16] drm/nouveau: nvkm/vmm: implement raw ops to manage uvmm

kernel test robot
2023-02-18T01:17:15Z

Hi Danilo,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on 48075a66fca613477ac1969b576a93ef5db0164f]

url: https://github.com/intel-lab-lkp/linux/commits/Danilo-Krummrich/drm-execution-context-for-GEM-buffers/20230217-215101
base: 48075a66fca613477ac1969b576a93ef5db0164f
patch link: https://lore.kernel.org/r/20230217134820.14672-8-dakr%40redhat.com
patch subject: [PATCH drm-next v2 13/16] drm/nouveau: nvkm/vmm: implement raw ops to manage uvmm
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20230218/202302180839.s0w26kcJ-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 12.1.0
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
# https://github.com/intel-lab-lkp/linux/commit/b25c0bcfed93dd62ed732968d8987b92e10c4579
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Danilo-Krummrich/drm-execution-context-for-GEM-buffers/20230217-215101
git checkout b25c0bcfed93dd62ed732968d8987b92e10c4579
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/gpu/drm/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302180839.s0w26kcJ-lkp@intel.com/

All warnings (new ones prefixed by >>):

In file included from drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h:4,
from drivers/gpu/drm/nouveau/nvkm/subdev/mmu/uvmm.h:5,
from drivers/gpu/drm/nouveau/nvkm/subdev/mmu/uvmm.c:22:
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/uvmm.c: In function 'nvkm_uvmm_mthd_raw_map':
>> drivers/gpu/drm/nouveau/nvkm/subdev/mmu/uvmm.c:422:31: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
422 | (void *)args->argv, args->argc);
| ^
drivers/gpu/drm/nouveau/include/nvkm/core/memory.h:66:43: note: in definition of macro 'nvkm_memory_map'
66 | (p)->func->map((p),(o),(vm),(va),(av),(ac))
| ^~

vim +422 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/uvmm.c

388
389 static int
390 nvkm_uvmm_mthd_raw_map(struct nvkm_uvmm *uvmm, struct nvif_vmm_raw_v0 *args)
391 {
392 struct nvkm_client *client = uvmm->object.client;
393 struct nvkm_vmm *vmm = uvmm->vmm;
394 struct nvkm_vma vma = {
395 .addr = args->addr,
396 .size = args->size,
397 .used = true,
398 .mapref = false,
399 .no_comp = true,
400 };
401 struct nvkm_memory *memory;
402 u64 handle = args->memory;
403 u8 refd;
404 int ret;
405
406 if (!nvkm_vmm_in_managed_range(vmm, args->addr, args->size))
407 return -EINVAL;
408
409 ret = nvkm_uvmm_page_index(uvmm, args->size, args->shift, &refd);
410 if (ret)
411 return ret;
412
413 vma.page = vma.refd = refd;
414
415 memory = nvkm_umem_search(client, args->memory);
416 if (IS_ERR(memory)) {
417 VMM_DEBUG(vmm, "memory %016llx %ld\n", handle, PTR_ERR(memory));
418 return PTR_ERR(memory);
419 }
420
421 ret = nvkm_memory_map(memory, args->offset, vmm, &vma,
> 422 (void *)args->argv, args->argc);
423
424 nvkm_memory_unref(&vma.memory);
425 nvkm_memory_unref(&memory);
426 return ret;
427 }
428

--
0-DAY CI Kernel Test Service