87 	struct nv04_mmu *mmu = nv04_mmu(vma->vm->mmu);  in nv44_vm_map_sg()  local
95 		nv44_vm_fill(pgt, mmu->null, list, pte, part);  in nv44_vm_map_sg()
112 		nv44_vm_fill(pgt, mmu->null, list, pte, cnt);  in nv44_vm_map_sg()
119 	struct nv04_mmu *mmu = nv04_mmu(vma->vm->mmu);  in nv44_vm_unmap()  local
125 		nv44_vm_fill(pgt, mmu->null, NULL, pte, part);  in nv44_vm_unmap()
139 		nv44_vm_fill(pgt, mmu->null, NULL, pte, cnt);  in nv44_vm_unmap()
146 	struct nv04_mmu *mmu = nv04_mmu(vm->mmu);  in nv44_vm_flush()  local
147 	struct nvkm_device *device = mmu->base.subdev.device;  in nv44_vm_flush()
148 	nvkm_wr32(device, 0x100814, mmu->base.limit - NV44_GART_PAGE);  in nv44_vm_flush()
164 	struct nv04_mmu *mmu = nv04_mmu(base);  in nv44_mmu_oneinit()  local
165 	struct nvkm_device *device = mmu->base.subdev.device;  in nv44_mmu_oneinit()
168 	mmu->nullp = dma_alloc_coherent(device->dev, 16 * 1024,  in nv44_mmu_oneinit()
169 					&mmu->null, GFP_KERNEL);  in nv44_mmu_oneinit()
170 	if (!mmu->nullp) {  in nv44_mmu_oneinit()
171 		nvkm_warn(&mmu->base.subdev, "unable to allocate dummy pages\n");  in nv44_mmu_oneinit()
172 		mmu->null = 0;  in nv44_mmu_oneinit()
175 	ret = nvkm_vm_create(&mmu->base, 0, NV44_GART_SIZE, 0, 4096, NULL,  in nv44_mmu_oneinit()
176 			     &mmu->vm);  in nv44_mmu_oneinit()
183 			      &mmu->vm->pgt[0].mem[0]);  in nv44_mmu_oneinit()
184 	mmu->vm->pgt[0].refcount[0] = 1;  in nv44_mmu_oneinit()
191 	struct nv04_mmu *mmu = nv04_mmu(base);  in nv44_mmu_init()  local
192 	struct nvkm_device *device = mmu->base.subdev.device;  in nv44_mmu_init()
193 	struct nvkm_memory *gart = mmu->vm->pgt[0].mem[0];  in nv44_mmu_init()
204 	nvkm_wr32(device, 0x100818, mmu->null);  in nv44_mmu_init()