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| author | Christian König <christian.koenig@amd.com> | 2016-03-08 16:58:35 (GMT) |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-03-09 18:04:02 (GMT) |
| commit | 20250215821140801369b84f8cbe79a459a82ba5 (patch) | |
| tree | f405d7f760da6ef1ef2f9f37ef6f4801f02ee935 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | |
| parent | e17841b97587adfbe96f48c488fd0873ddfcaff0 (diff) | |
| download | linux-20250215821140801369b84f8cbe79a459a82ba5.tar.xz | |
drm/amdgpu: Revert "add lock for interval tree in vm"
Not needed any more because we need to protect the elements on the list anyway.
This reverts commit fe237ed7efec8ac147a4572fdf81173a7f8ddda7.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 7e73e54..0e6d0d1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1107,9 +1107,7 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, saddr /= AMDGPU_GPU_PAGE_SIZE; eaddr /= AMDGPU_GPU_PAGE_SIZE; - spin_lock(&vm->it_lock); it = interval_tree_iter_first(&vm->va, saddr, eaddr); - spin_unlock(&vm->it_lock); if (it) { struct amdgpu_bo_va_mapping *tmp; tmp = container_of(it, struct amdgpu_bo_va_mapping, it); @@ -1136,10 +1134,7 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, mutex_lock(&bo_va->mutex); list_add(&mapping->list, &bo_va->invalids); mutex_unlock(&bo_va->mutex); - spin_lock(&vm->it_lock); interval_tree_insert(&mapping->it, &vm->va); - spin_unlock(&vm->it_lock); - trace_amdgpu_vm_bo_map(bo_va, mapping); /* Make sure the page tables are allocated */ saddr >>= amdgpu_vm_block_size; @@ -1191,9 +1186,7 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, error_free: list_del(&mapping->list); - spin_lock(&vm->it_lock); interval_tree_remove(&mapping->it, &vm->va); - spin_unlock(&vm->it_lock); trace_amdgpu_vm_bo_unmap(bo_va, mapping); kfree(mapping); @@ -1243,9 +1236,7 @@ int amdgpu_vm_bo_unmap(struct amdgpu_device *adev, } mutex_unlock(&bo_va->mutex); list_del(&mapping->list); - spin_lock(&vm->it_lock); interval_tree_remove(&mapping->it, &vm->va); - spin_unlock(&vm->it_lock); trace_amdgpu_vm_bo_unmap(bo_va, mapping); if (valid) @@ -1280,17 +1271,13 @@ void amdgpu_vm_bo_rmv(struct amdgpu_device *adev, list_for_each_entry_safe(mapping, next, &bo_va->valids, list) { list_del(&mapping->list); - spin_lock(&vm->it_lock); interval_tree_remove(&mapping->it, &vm->va); - spin_unlock(&vm->it_lock); trace_amdgpu_vm_bo_unmap(bo_va, mapping); list_add(&mapping->list, &vm->freed); } list_for_each_entry_safe(mapping, next, &bo_va->invalids, list) { list_del(&mapping->list); - spin_lock(&vm->it_lock); interval_tree_remove(&mapping->it, &vm->va); - spin_unlock(&vm->it_lock); kfree(mapping); } fence_put(bo_va->last_pt_update); @@ -1347,7 +1334,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm) INIT_LIST_HEAD(&vm->invalidated); INIT_LIST_HEAD(&vm->cleared); INIT_LIST_HEAD(&vm->freed); - spin_lock_init(&vm->it_lock); + pd_size = amdgpu_vm_directory_size(adev); pd_entries = amdgpu_vm_num_pdes(adev); @@ -1434,6 +1421,7 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm) amdgpu_bo_unref(&vm->page_directory); fence_put(vm->page_directory_fence); + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_vm_id *id = &vm->ids[i]; |