1 files changed, 3 insertions, 13 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 330e307c36ed..7e73e54eadb9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -971,22 +971,18 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
         struct amdgpu_bo_va_mapping *mapping;
         int r;
 
-        spin_lock(&vm->freed_lock);
         while (!list_empty(&vm->freed)) {
                 mapping = list_first_entry(&vm->freed,
                         struct amdgpu_bo_va_mapping, list);
                 list_del(&mapping->list);
-                spin_unlock(&vm->freed_lock);
+
                 r = amdgpu_vm_bo_split_mapping(adev, NULL, 0, vm, mapping,
                                                0, NULL);
                 kfree(mapping);
                 if (r)
                         return r;
 
-                spin_lock(&vm->freed_lock);
         }
-        spin_unlock(&vm->freed_lock);
-
         return 0;
 
 }
@@ -1252,13 +1248,10 @@ int amdgpu_vm_bo_unmap(struct amdgpu_device *adev,
         spin_unlock(&vm->it_lock);
         trace_amdgpu_vm_bo_unmap(bo_va, mapping);
 
-        if (valid) {
-                spin_lock(&vm->freed_lock);
+        if (valid)
                 list_add(&mapping->list, &vm->freed);
-                spin_unlock(&vm->freed_lock);
-        } else {
+        else
                 kfree(mapping);
-        }
 
         return 0;
 }
@@ -1291,9 +1284,7 @@ void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
                 interval_tree_remove(&mapping->it, &vm->va);
                 spin_unlock(&vm->it_lock);
                 trace_amdgpu_vm_bo_unmap(bo_va, mapping);
-                spin_lock(&vm->freed_lock);
                 list_add(&mapping->list, &vm->freed);
-                spin_unlock(&vm->freed_lock);
         }
         list_for_each_entry_safe(mapping, next, &bo_va->invalids, list) {
                 list_del(&mapping->list);
@@ -1357,7 +1348,6 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm)
         INIT_LIST_HEAD(&vm->cleared);
         INIT_LIST_HEAD(&vm->freed);
         spin_lock_init(&vm->it_lock);
-        spin_lock_init(&vm->freed_lock);
         pd_size = amdgpu_vm_directory_size(adev);
         pd_entries = amdgpu_vm_num_pdes(adev);