u32 size, struct nouveau_channel **pchan)
 {
        struct nouveau_cli *cli = (void *)device->object.client;
-       struct nvkm_mmu *mmu = nvxx_mmu(device);
        struct nv_dma_v0 args = {};
        struct nouveau_channel *chan;
        u32 target;
                args.target = NV_DMA_V0_TARGET_VM;
                args.access = NV_DMA_V0_ACCESS_VM;
                args.start = 0;
-               args.limit = cli->vm->mmu->limit - 1;
+               args.limit = cli->vmm.vmm.limit - 1;
 
                chan->push.addr = chan->push.vma->addr;
        } else
                        args.target = NV_DMA_V0_TARGET_VM;
                        args.access = NV_DMA_V0_ACCESS_RDWR;
                        args.start = 0;
-                       args.limit = mmu->limit - 1;
+                       args.limit = cli->vmm.vmm.limit - 1;
                }
        }
 
        struct nvif_device *device = chan->device;
        struct nouveau_cli *cli = (void *)chan->user.client;
        struct nouveau_drm *drm = chan->drm;
-       struct nvkm_mmu *mmu = nvxx_mmu(device);
        struct nv_dma_v0 args = {};
        int ret, i;
 
                        args.target = NV_DMA_V0_TARGET_VM;
                        args.access = NV_DMA_V0_ACCESS_VM;
                        args.start = 0;
-                       args.limit = cli->vm->mmu->limit - 1;
+                       args.limit = cli->vmm.vmm.limit - 1;
                } else {
                        args.target = NV_DMA_V0_TARGET_VRAM;
                        args.access = NV_DMA_V0_ACCESS_RDWR;
                        args.target = NV_DMA_V0_TARGET_VM;
                        args.access = NV_DMA_V0_ACCESS_VM;
                        args.start = 0;
-                       args.limit = cli->vm->mmu->limit - 1;
+                       args.limit = cli->vmm.vmm.limit - 1;
                } else
                if (chan->drm->agp.bridge) {
                        args.target = NV_DMA_V0_TARGET_AGP;
                        args.target = NV_DMA_V0_TARGET_VM;
                        args.access = NV_DMA_V0_ACCESS_RDWR;
                        args.start = 0;
-                       args.limit = mmu->limit - 1;
+                       args.limit = cli->vmm.vmm.limit - 1;
                }
 
                ret = nvif_object_init(&chan->user, gart, NV_DMA_IN_MEMORY,