[radeon-alex:drm-next-4.21 136/142] drivers/gpu/drm/amd/amdgpu/amdgpu_object.c:84: undefined reference to `amdgpu_amdkfd_unreserve_memory_limit'

[kbuild test robot]

tree: git://people.freedesktop.org/~agd5f/linux.git drm-next-4.21
head: 22666cc1481ae3814d9c7718418cc4a3aa7d90c3
commit: 611736d8447c0c48a172db0b968dddae60696a72 [136/142] drm/amdgpu: Add KFD VRAM limit checking
config: x86_64-randconfig-a0-12081604 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
git checkout 611736d8447c0c48a172db0b968dddae60696a72
# save the attached .config to linux build tree
make ARCH=x86_64

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c:84: undefined reference to `amdgpu_amdkfd_unreserve_memory_limit'

vim +84 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

74
75 static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo)
76 {
77 struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev);
78 struct amdgpu_bo *bo = ttm_to_amdgpu_bo(tbo);
79
80 if (bo->pin_count > 0)
81 amdgpu_bo_subtract_pin_size(bo);
82
83 if (bo->kfd_bo)

84 amdgpu_amdkfd_unreserve_memory_limit(bo);

85
86 amdgpu_bo_kunmap(bo);
87
88 if (bo->gem_base.import_attach)
89 drm_prime_gem_destroy(&bo->gem_base, bo->tbo.sg);
90 drm_gem_object_release(&bo->gem_base);
91 amdgpu_bo_unref(&bo->parent);
92 if (!list_empty(&bo->shadow_list)) {
93 mutex_lock(&adev->shadow_list_lock);
94 list_del_init(&bo->shadow_list);
95 mutex_unlock(&adev->shadow_list_lock);
96 }
97 kfree(bo->metadata);
98 kfree(bo);
99 }
100

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