Messages in this thread | | | Date | Sat, 4 Nov 2023 01:36:36 +0800 | From | kernel test robot <> | Subject | drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:40:17: sparse: sparse: cast removes address space '__iomem' of expression |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8f6f76a6a29f36d2f3e4510d0bde5046672f6924 commit: 57cbdbe65e5f9ba9bfd67b66bc3ce24ef1c54643 drm/nouveau/kms/nv140-: Use hard-coded wndws or core channel for CRC channel date: 2 years ago config: x86_64-randconfig-123-20231101 (https://download.01.org/0day-ci/archive/20231104/202311040149.o3KPXEV2-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231104/202311040149.o3KPXEV2-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/202311040149.o3KPXEV2-lkp@intel.com/
sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:40:17: sparse: sparse: cast removes address space '__iomem' of expression >> drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:40:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:41:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:41:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:43:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:43:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:44:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:44:17: sparse: sparse: cast removes address space '__iomem' of expression
vim +/__iomem +40 drivers/gpu/drm/nouveau/dispnv50/crcc57d.c
12 13 static int crcc57d_set_src(struct nv50_head *head, int or, enum nv50_crc_source_type source, 14 struct nv50_crc_notifier_ctx *ctx) 15 { 16 struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push; 17 const int i = head->base.index; 18 u32 crc_args = NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, CONTROLLING_CHANNEL, CORE) | 19 NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, EXPECT_BUFFER_COLLAPSE, FALSE) | 20 NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, SECONDARY_CRC, NONE) | 21 NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, CRC_DURING_SNOOZE, DISABLE); 22 int ret; 23 24 switch (source) { 25 case NV50_CRC_SOURCE_TYPE_SOR: 26 crc_args |= NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SOR(or)); 27 break; 28 case NV50_CRC_SOURCE_TYPE_SF: 29 crc_args |= NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SF); 30 break; 31 default: 32 break; 33 } 34 35 ret = PUSH_WAIT(push, 4); 36 if (ret) 37 return ret; 38 39 if (source) { > 40 PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_CRC(i), ctx->ntfy.handle); 41 PUSH_MTHD(push, NVC57D, HEAD_SET_CRC_CONTROL(i), crc_args); 42 } else { 43 PUSH_MTHD(push, NVC57D, HEAD_SET_CRC_CONTROL(i), 0); 44 PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_CRC(i), 0); 45 } 46 47 return 0; 48 } 49
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