tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 2a8927f0efb6fb34b9d11dab3bd3f018e866d36d
commit: 71df0368e9b66afeb1fdb92a88be1a98cc25f310 [4204/13009] drm/amdgpu: Implement mmap as GEM object function
config: x86_64-randconfig-m001-20210622 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>
New smatch warnings:
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c:63 amdgpu_gem_fault() warn: inconsistent indenting
Old smatch warnings:
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c:824 amdgpu_gem_op_ioctl() warn: should 'robj->tbo.page_alignment << 12' be a 64 bit type?
vim +63 drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
44
45 static vm_fault_t amdgpu_gem_fault(struct vm_fault *vmf)
46 {
47 struct ttm_buffer_object *bo = vmf->vma->vm_private_data;
48 struct drm_device *ddev = bo->base.dev;
49 vm_fault_t ret;
50 int idx;
51
52 ret = ttm_bo_vm_reserve(bo, vmf);
53 if (ret)
54 return ret;
55
56 if (drm_dev_enter(ddev, &idx)) {
57 ret = amdgpu_bo_fault_reserve_notify(bo);
58 if (ret) {
59 drm_dev_exit(idx);
60 goto unlock;
61 }
62
> 63 ret = ttm_bo_vm_fault_reserved(vmf, vmf->vma->vm_page_prot,
64 TTM_BO_VM_NUM_PREFAULT, 1);
65
66 drm_dev_exit(idx);
67 } else {
68 ret = ttm_bo_vm_dummy_page(vmf, vmf->vma->vm_page_prot);
69 }
70 if (ret == VM_FAULT_RETRY && !(vmf->flags & FAULT_FLAG_RETRY_NOWAIT))
71 return ret;
72
73 unlock:
74 dma_resv_unlock(bo->base.resv);
75 return ret;
76 }
77
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0-DAY CI Kernel Test Service, Intel Corporation
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