1 files changed, 201 insertions, 185 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_uvmm.c b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
index 5cf892c50..ee02cd833 100644
--- a/drivers/gpu/drm/nouveau/nouveau_uvmm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
@@ -62,6 +62,8 @@ struct bind_job_op {
 	enum vm_bind_op op;
 	u32 flags;
 
+	struct drm_gpuvm_bo *vm_bo;
+
 	struct {
 		u64 addr;
 		u64 range;
@@ -436,8 +438,9 @@ nouveau_uvma_region_complete(struct nouveau_uvma_region *reg)
 static void
 op_map_prepare_unwind(struct nouveau_uvma *uvma)
 {
+	struct drm_gpuva *va = &uvma->va;
 	nouveau_uvma_gem_put(uvma);
-	drm_gpuva_remove(&uvma->va);
+	drm_gpuva_remove(va);
 	nouveau_uvma_free(uvma);
 }
 
@@ -466,6 +469,7 @@ nouveau_uvmm_sm_prepare_unwind(struct nouveau_uvmm *uvmm,
 			break;
 		case DRM_GPUVA_OP_REMAP: {
 			struct drm_gpuva_op_remap *r = &op->remap;
+			struct drm_gpuva *va = r->unmap->va;
 
 			if (r->next)
 				op_map_prepare_unwind(new->next);
@@ -473,7 +477,7 @@ nouveau_uvmm_sm_prepare_unwind(struct nouveau_uvmm *uvmm,
 			if (r->prev)
 				op_map_prepare_unwind(new->prev);
 
-			op_unmap_prepare_unwind(r->unmap->va);
+			op_unmap_prepare_unwind(va);
 			break;
 		}
 		case DRM_GPUVA_OP_UNMAP:
@@ -604,6 +608,9 @@ op_unmap_prepare(struct drm_gpuva_op_unmap *u)
 	drm_gpuva_unmap(u);
 }
 
+/*
+ * Note: @args should not be NULL when calling for a map operation.
+ */
 static int
 nouveau_uvmm_sm_prepare(struct nouveau_uvmm *uvmm,
 			struct nouveau_uvma_prealloc *new,
@@ -624,7 +631,7 @@ nouveau_uvmm_sm_prepare(struct nouveau_uvmm *uvmm,
 			if (ret)
 				goto unwind;
 
-			if (args && vmm_get_range) {
+			if (vmm_get_range) {
 				ret = nouveau_uvmm_vmm_get(uvmm, vmm_get_start,
 							   vmm_get_range);
 				if (ret) {
@@ -632,6 +639,7 @@ nouveau_uvmm_sm_prepare(struct nouveau_uvmm *uvmm,
 					goto unwind;
 				}
 			}
+
 			break;
 		}
 		case DRM_GPUVA_OP_REMAP: {
@@ -804,15 +812,15 @@ op_remap(struct drm_gpuva_op_remap *r,
 	struct drm_gpuva_op_unmap *u = r->unmap;
 	struct nouveau_uvma *uvma = uvma_from_va(u->va);
 	u64 addr = uvma->va.va.addr;
-	u64 range = uvma->va.va.range;
+	u64 end = uvma->va.va.addr + uvma->va.va.range;
 
 	if (r->prev)
 		addr = r->prev->va.addr + r->prev->va.range;
 
 	if (r->next)
-		range = r->next->va.addr - addr;
+		end = r->next->va.addr;
 
-	op_unmap_range(u, addr, range);
+	op_unmap_range(u, addr, end - addr);
 }
 
 static int
@@ -929,25 +937,13 @@ nouveau_uvmm_sm_unmap_cleanup(struct nouveau_uvmm *uvmm,
 static int
 nouveau_uvmm_validate_range(struct nouveau_uvmm *uvmm, u64 addr, u64 range)
 {
-	u64 end = addr + range;
-	u64 kernel_managed_end = uvmm->kernel_managed_addr +
-				 uvmm->kernel_managed_size;
-
 	if (addr & ~PAGE_MASK)
 		return -EINVAL;
 
 	if (range & ~PAGE_MASK)
 		return -EINVAL;
 
-	if (end <= addr)
-		return -EINVAL;
-
-	if (addr < NOUVEAU_VA_SPACE_START ||
-	    end > NOUVEAU_VA_SPACE_END)
-		return -EINVAL;
-
-	if (addr < kernel_managed_end &&
-	    end > uvmm->kernel_managed_addr)
+	if (!drm_gpuvm_range_valid(&uvmm->base, addr, range))
 		return -EINVAL;
 
 	return 0;
@@ -970,6 +966,12 @@ nouveau_uvmm_bind_job_free(struct kref *kref)
 {
 	struct nouveau_uvmm_bind_job *job =
 		container_of(kref, struct nouveau_uvmm_bind_job, kref);
+	struct bind_job_op *op, *next;
+
+	list_for_each_op_safe(op, next, &job->ops) {
+		list_del(&op->entry);
+		kfree(op);
+	}
 
 	nouveau_job_free(&job->base);
 	kfree(job);
@@ -1011,14 +1013,16 @@ bind_validate_op(struct nouveau_job *job,
 static void
 bind_validate_map_sparse(struct nouveau_job *job, u64 addr, u64 range)
 {
-	struct nouveau_uvmm_bind_job *bind_job;
-	struct nouveau_sched_entity *entity = job->entity;
+	struct nouveau_sched *sched = job->sched;
+	struct nouveau_job *__job;
 	struct bind_job_op *op;
 	u64 end = addr + range;
 
 again:
-	spin_lock(&entity->job.list.lock);
-	list_for_each_entry(bind_job, &entity->job.list.head, entry) {
+	spin_lock(&sched->job.list.lock);
+	list_for_each_entry(__job, &sched->job.list.head, entry) {
+		struct nouveau_uvmm_bind_job *bind_job = to_uvmm_bind_job(__job);
+
 		list_for_each_op(op, &bind_job->ops) {
 			if (op->op == OP_UNMAP) {
 				u64 op_addr = op->va.addr;
@@ -1026,7 +1030,7 @@ again:
 
 				if (!(end <= op_addr || addr >= op_end)) {
 					nouveau_uvmm_bind_job_get(bind_job);
-					spin_unlock(&entity->job.list.lock);
+					spin_unlock(&sched->job.list.lock);
 					wait_for_completion(&bind_job->complete);
 					nouveau_uvmm_bind_job_put(bind_job);
 					goto again;
@@ -1034,7 +1038,7 @@ again:
 			}
 		}
 	}
-	spin_unlock(&entity->job.list.lock);
+	spin_unlock(&sched->job.list.lock);
 }
 
 static int
@@ -1113,22 +1117,28 @@ bind_validate_region(struct nouveau_job *job)
 }
 
 static void
-bind_link_gpuvas(struct drm_gpuva_ops *ops, struct nouveau_uvma_prealloc *new)
+bind_link_gpuvas(struct bind_job_op *bop)
 {
+	struct nouveau_uvma_prealloc *new = &bop->new;
+	struct drm_gpuvm_bo *vm_bo = bop->vm_bo;
+	struct drm_gpuva_ops *ops = bop->ops;
 	struct drm_gpuva_op *op;
 
 	drm_gpuva_for_each_op(op, ops) {
 		switch (op->op) {
 		case DRM_GPUVA_OP_MAP:
-			drm_gpuva_link(&new->map->va);
+			drm_gpuva_link(&new->map->va, vm_bo);
 			break;
-		case DRM_GPUVA_OP_REMAP:
+		case DRM_GPUVA_OP_REMAP: {
+			struct drm_gpuva *va = op->remap.unmap->va;
+
 			if (op->remap.prev)
-				drm_gpuva_link(&new->prev->va);
+				drm_gpuva_link(&new->prev->va, va->vm_bo);
 			if (op->remap.next)
-				drm_gpuva_link(&new->next->va);
-			drm_gpuva_unlink(op->remap.unmap->va);
+				drm_gpuva_link(&new->next->va, va->vm_bo);
+			drm_gpuva_unlink(va);
 			break;
+		}
 		case DRM_GPUVA_OP_UNMAP:
 			drm_gpuva_unlink(op->unmap.va);
 			break;
@@ -1139,21 +1149,70 @@ bind_link_gpuvas(struct drm_gpuva_ops *ops, struct nouveau_uvma_prealloc *new)
 }
 
 static int
-nouveau_uvmm_bind_job_submit(struct nouveau_job *job)
+bind_lock_validate(struct nouveau_job *job, struct drm_exec *exec,
+		   unsigned int num_fences)
+{
+	struct nouveau_uvmm_bind_job *bind_job = to_uvmm_bind_job(job);
+	struct bind_job_op *op;
+	int ret;
+
+	list_for_each_op(op, &bind_job->ops) {
+		struct drm_gpuva_op *va_op;
+
+		if (!op->ops)
+			continue;
+
+		drm_gpuva_for_each_op(va_op, op->ops) {
+			struct drm_gem_object *obj = op_gem_obj(va_op);
+
+			if (unlikely(!obj))
+				continue;
+
+			ret = drm_exec_prepare_obj(exec, obj, num_fences);
+			if (ret)
+				return ret;
+
+			/* Don't validate GEMs backing mappings we're about to
+			 * unmap, it's not worth the effort.
+			 */
+			if (va_op->op == DRM_GPUVA_OP_UNMAP)
+				continue;
+
+			ret = nouveau_bo_validate(nouveau_gem_object(obj),
+						  true, false);
+			if (ret)
+				return ret;
+		}
+	}
+
+	return 0;
+}
+
+static int
+nouveau_uvmm_bind_job_submit(struct nouveau_job *job,
+			     struct drm_gpuvm_exec *vme)
 {
 	struct nouveau_uvmm *uvmm = nouveau_cli_uvmm(job->cli);
 	struct nouveau_uvmm_bind_job *bind_job = to_uvmm_bind_job(job);
-	struct nouveau_sched_entity *entity = job->entity;
-	struct drm_exec *exec = &job->exec;
+	struct drm_exec *exec = &vme->exec;
 	struct bind_job_op *op;
 	int ret;
 
 	list_for_each_op(op, &bind_job->ops) {
 		if (op->op == OP_MAP) {
-			op->gem.obj = drm_gem_object_lookup(job->file_priv,
-							    op->gem.handle);
-			if (!op->gem.obj)
+			struct drm_gem_object *obj = op->gem.obj =
+				drm_gem_object_lookup(job->file_priv,
+						      op->gem.handle);
+			if (!obj)
 				return -ENOENT;
+
+			dma_resv_lock(obj->resv, NULL);
+			op->vm_bo = drm_gpuvm_bo_obtain(&uvmm->base, obj);
+			dma_resv_unlock(obj->resv);
+			if (IS_ERR(op->vm_bo))
+				return PTR_ERR(op->vm_bo);
+
+			drm_gpuvm_bo_extobj_add(op->vm_bo);
 		}
 
 		ret = bind_validate_op(job, op);
@@ -1176,6 +1235,7 @@ nouveau_uvmm_bind_job_submit(struct nouveau_job *job)
 	 * unwind all GPU VA space changes on failure.
 	 */
 	nouveau_uvmm_lock(uvmm);
+
 	list_for_each_op(op, &bind_job->ops) {
 		switch (op->op) {
 		case OP_MAP_SPARSE:
@@ -1287,55 +1347,13 @@ nouveau_uvmm_bind_job_submit(struct nouveau_job *job)
 		}
 	}
 
-	drm_exec_init(exec, DRM_EXEC_INTERRUPTIBLE_WAIT |
-			    DRM_EXEC_IGNORE_DUPLICATES);
+	drm_exec_init(exec, vme->flags, 0);
 	drm_exec_until_all_locked(exec) {
-		list_for_each_op(op, &bind_job->ops) {
-			struct drm_gpuva_op *va_op;
-
-			if (IS_ERR_OR_NULL(op->ops))
-				continue;
-
-			drm_gpuva_for_each_op(va_op, op->ops) {
-				struct drm_gem_object *obj = op_gem_obj(va_op);
-
-				if (unlikely(!obj))
-					continue;
-
-				ret = drm_exec_prepare_obj(exec, obj, 1);
-				drm_exec_retry_on_contention(exec);
-				if (ret) {
-					op = list_last_op(&bind_job->ops);
-					goto unwind;
-				}
-			}
-		}
-	}
-
-	list_for_each_op(op, &bind_job->ops) {
-		struct drm_gpuva_op *va_op;
-
-		if (IS_ERR_OR_NULL(op->ops))
-			continue;
-
-		drm_gpuva_for_each_op(va_op, op->ops) {
-			struct drm_gem_object *obj = op_gem_obj(va_op);
-
-			if (unlikely(!obj))
-				continue;
-
-			/* Don't validate GEMs backing mappings we're about to
-			 * unmap, it's not worth the effort.
-			 */
-			if (unlikely(va_op->op == DRM_GPUVA_OP_UNMAP))
-				continue;
-
-			ret = nouveau_bo_validate(nouveau_gem_object(obj),
-						  true, false);
-			if (ret) {
-				op = list_last_op(&bind_job->ops);
-				goto unwind;
-			}
+		ret = bind_lock_validate(job, exec, vme->num_fences);
+		drm_exec_retry_on_contention(exec);
+		if (ret) {
+			op = list_last_op(&bind_job->ops);
+			goto unwind;
 		}
 	}
 
@@ -1364,7 +1382,7 @@ nouveau_uvmm_bind_job_submit(struct nouveau_job *job)
 		case OP_UNMAP_SPARSE:
 		case OP_MAP:
 		case OP_UNMAP:
-			bind_link_gpuvas(op->ops, &op->new);
+			bind_link_gpuvas(op);
 			break;
 		default:
 			break;
@@ -1372,10 +1390,6 @@ nouveau_uvmm_bind_job_submit(struct nouveau_job *job)
 	}
 	nouveau_uvmm_unlock(uvmm);
 
-	spin_lock(&entity->job.list.lock);
-	list_add(&bind_job->entry, &entity->job.list.head);
-	spin_unlock(&entity->job.list.lock);
-
 	return 0;
 
 unwind_continue:
@@ -1410,21 +1424,17 @@ unwind:
 	}
 
 	nouveau_uvmm_unlock(uvmm);
-	drm_exec_fini(exec);
+	drm_gpuvm_exec_unlock(vme);
 	return ret;
 }
 
 static void
-nouveau_uvmm_bind_job_armed_submit(struct nouveau_job *job)
+nouveau_uvmm_bind_job_armed_submit(struct nouveau_job *job,
+				   struct drm_gpuvm_exec *vme)
 {
-	struct drm_exec *exec = &job->exec;
-	struct drm_gem_object *obj;
-	unsigned long index;
-
-	drm_exec_for_each_locked_object(exec, index, obj)
-		dma_resv_add_fence(obj->resv, job->done_fence, job->resv_usage);
-
-	drm_exec_fini(exec);
+	drm_gpuvm_exec_resv_add_fence(vme, job->done_fence,
+				      job->resv_usage, job->resv_usage);
+	drm_gpuvm_exec_unlock(vme);
 }
 
 static struct dma_fence *
@@ -1462,14 +1472,11 @@ out:
 }
 
 static void
-nouveau_uvmm_bind_job_free_work_fn(struct work_struct *work)
+nouveau_uvmm_bind_job_cleanup(struct nouveau_job *job)
 {
-	struct nouveau_uvmm_bind_job *bind_job =
-		container_of(work, struct nouveau_uvmm_bind_job, work);
-	struct nouveau_job *job = &bind_job->base;
+	struct nouveau_uvmm_bind_job *bind_job = to_uvmm_bind_job(job);
 	struct nouveau_uvmm *uvmm = nouveau_cli_uvmm(job->cli);
-	struct nouveau_sched_entity *entity = job->entity;
-	struct bind_job_op *op, *next;
+	struct bind_job_op *op;
 
 	list_for_each_op(op, &bind_job->ops) {
 		struct drm_gem_object *obj = op->gem.obj;
@@ -1511,42 +1518,27 @@ nouveau_uvmm_bind_job_free_work_fn(struct work_struct *work)
 		if (!IS_ERR_OR_NULL(op->ops))
 			drm_gpuva_ops_free(&uvmm->base, op->ops);
 
+		if (!IS_ERR_OR_NULL(op->vm_bo)) {
+			dma_resv_lock(obj->resv, NULL);
+			drm_gpuvm_bo_put(op->vm_bo);
+			dma_resv_unlock(obj->resv);
+		}
+
 		if (obj)
 			drm_gem_object_put(obj);
 	}
 
-	spin_lock(&entity->job.list.lock);
-	list_del(&bind_job->entry);
-	spin_unlock(&entity->job.list.lock);
-
+	nouveau_job_done(job);
 	complete_all(&bind_job->complete);
-	wake_up(&entity->job.wq);
-
-	/* Remove and free ops after removing the bind job from the job list to
-	 * avoid races against bind_validate_map_sparse().
-	 */
-	list_for_each_op_safe(op, next, &bind_job->ops) {
-		list_del(&op->entry);
-		kfree(op);
-	}
 
 	nouveau_uvmm_bind_job_put(bind_job);
 }
 
-static void
-nouveau_uvmm_bind_job_free_qwork(struct nouveau_job *job)
-{
-	struct nouveau_uvmm_bind_job *bind_job = to_uvmm_bind_job(job);
-	struct nouveau_sched_entity *entity = job->entity;
-
-	nouveau_sched_entity_qwork(entity, &bind_job->work);
-}
-
 static struct nouveau_job_ops nouveau_bind_job_ops = {
 	.submit = nouveau_uvmm_bind_job_submit,
 	.armed_submit = nouveau_uvmm_bind_job_armed_submit,
 	.run = nouveau_uvmm_bind_job_run,
-	.free = nouveau_uvmm_bind_job_free_qwork,
+	.free = nouveau_uvmm_bind_job_cleanup,
 };
 
 static int
@@ -1607,7 +1599,6 @@ nouveau_uvmm_bind_job_init(struct nouveau_uvmm_bind_job **pjob,
 		return ret;
 
 	INIT_LIST_HEAD(&job->ops);
-	INIT_LIST_HEAD(&job->entry);
 
 	for (i = 0; i < __args->op.count; i++) {
 		ret = bind_job_op_from_uop(&op, &__args->op.s[i]);
@@ -1618,11 +1609,12 @@ nouveau_uvmm_bind_job_init(struct nouveau_uvmm_bind_job **pjob,
 	}
 
 	init_completion(&job->complete);
-	INIT_WORK(&job->work, nouveau_uvmm_bind_job_free_work_fn);
 
-	args.sched_entity = __args->sched_entity;
 	args.file_priv = __args->file_priv;
 
+	args.sched = __args->sched;
+	args.credits = 1;
+
 	args.in_sync.count = __args->in_sync.count;
 	args.in_sync.s = __args->in_sync.s;
 
@@ -1648,18 +1640,6 @@ err_free:
 	return ret;
 }
 
-int
-nouveau_uvmm_ioctl_vm_init(struct drm_device *dev,
-			   void *data,
-			   struct drm_file *file_priv)
-{
-	struct nouveau_cli *cli = nouveau_cli(file_priv);
-	struct drm_nouveau_vm_init *init = data;
-
-	return nouveau_uvmm_init(&cli->uvmm, cli, init->kernel_managed_addr,
-				 init->kernel_managed_size);
-}
-
 static int
 nouveau_uvmm_vm_bind(struct nouveau_uvmm_bind_job_args *args)
 {
@@ -1760,7 +1740,7 @@ nouveau_uvmm_ioctl_vm_bind(struct drm_device *dev,
 	if (ret)
 		return ret;
 
-	args.sched_entity = &cli->sched_entity;
+	args.sched = cli->sched;
 	args.file_priv = file_priv;
 
 	ret = nouveau_uvmm_vm_bind(&args);
@@ -1776,15 +1756,18 @@ void
 nouveau_uvmm_bo_map_all(struct nouveau_bo *nvbo, struct nouveau_mem *mem)
 {
 	struct drm_gem_object *obj = &nvbo->bo.base;
+	struct drm_gpuvm_bo *vm_bo;
 	struct drm_gpuva *va;
 
 	dma_resv_assert_held(obj->resv);
 
-	drm_gem_for_each_gpuva(va, obj) {
-		struct nouveau_uvma *uvma = uvma_from_va(va);
+	drm_gem_for_each_gpuvm_bo(vm_bo, obj) {
+		drm_gpuvm_bo_for_each_va(va, vm_bo) {
+			struct nouveau_uvma *uvma = uvma_from_va(va);
 
-		nouveau_uvma_map(uvma, mem);
-		drm_gpuva_invalidate(va, false);
+			nouveau_uvma_map(uvma, mem);
+			drm_gpuva_invalidate(va, false);
+		}
 	}
 }
 
@@ -1792,29 +1775,62 @@ void
 nouveau_uvmm_bo_unmap_all(struct nouveau_bo *nvbo)
 {
 	struct drm_gem_object *obj = &nvbo->bo.base;
+	struct drm_gpuvm_bo *vm_bo;
 	struct drm_gpuva *va;
 
 	dma_resv_assert_held(obj->resv);
 
-	drm_gem_for_each_gpuva(va, obj) {
-		struct nouveau_uvma *uvma = uvma_from_va(va);
+	drm_gem_for_each_gpuvm_bo(vm_bo, obj) {
+		drm_gpuvm_bo_for_each_va(va, vm_bo) {
+			struct nouveau_uvma *uvma = uvma_from_va(va);
 
-		nouveau_uvma_unmap(uvma);
-		drm_gpuva_invalidate(va, true);
+			nouveau_uvma_unmap(uvma);
+			drm_gpuva_invalidate(va, true);
+		}
 	}
 }
 
+static void
+nouveau_uvmm_free(struct drm_gpuvm *gpuvm)
+{
+	struct nouveau_uvmm *uvmm = uvmm_from_gpuvm(gpuvm);
+
+	kfree(uvmm);
+}
+
+static int
+nouveau_uvmm_bo_validate(struct drm_gpuvm_bo *vm_bo, struct drm_exec *exec)
+{
+	struct nouveau_bo *nvbo = nouveau_gem_object(vm_bo->obj);
+
+	return nouveau_bo_validate(nvbo, true, false);
+}
+
+static const struct drm_gpuvm_ops gpuvm_ops = {
+	.vm_free = nouveau_uvmm_free,
+	.vm_bo_validate = nouveau_uvmm_bo_validate,
+};
+
 int
-nouveau_uvmm_init(struct nouveau_uvmm *uvmm, struct nouveau_cli *cli,
-		  u64 kernel_managed_addr, u64 kernel_managed_size)
+nouveau_uvmm_ioctl_vm_init(struct drm_device *dev,
+			   void *data,
+			   struct drm_file *file_priv)
 {
+	struct nouveau_uvmm *uvmm;
+	struct nouveau_cli *cli = nouveau_cli(file_priv);
+	struct drm_device *drm = cli->drm->dev;
+	struct drm_gem_object *r_obj;
+	struct drm_nouveau_vm_init *init = data;
+	u64 kernel_managed_end;
 	int ret;
-	u64 kernel_managed_end = kernel_managed_addr + kernel_managed_size;
 
-	mutex_init(&uvmm->mutex);
-	dma_resv_init(&uvmm->resv);
-	mt_init_flags(&uvmm->region_mt, MT_FLAGS_LOCK_EXTERN);
-	mt_set_external_lock(&uvmm->region_mt, &uvmm->mutex);
+	if (check_add_overflow(init->kernel_managed_addr,
+			       init->kernel_managed_size,
+			       &kernel_managed_end))
+		return -EINVAL;
+
+	if (kernel_managed_end > NOUVEAU_VA_SPACE_END)
+		return -EINVAL;
 
 	mutex_lock(&cli->mutex);
 
@@ -1823,39 +1839,48 @@ nouveau_uvmm_init(struct nouveau_uvmm *uvmm, struct nouveau_cli *cli,
 		goto out_unlock;
 	}
 
-	if (kernel_managed_end <= kernel_managed_addr) {
-		ret = -EINVAL;
+	uvmm = kzalloc(sizeof(*uvmm), GFP_KERNEL);
+	if (!uvmm) {
+		ret = -ENOMEM;
 		goto out_unlock;
 	}
 
-	if (kernel_managed_end > NOUVEAU_VA_SPACE_END) {
-		ret = -EINVAL;
+	r_obj = drm_gpuvm_resv_object_alloc(drm);
+	if (!r_obj) {
+		kfree(uvmm);
+		ret = -ENOMEM;
 		goto out_unlock;
 	}
 
-	uvmm->kernel_managed_addr = kernel_managed_addr;
-	uvmm->kernel_managed_size = kernel_managed_size;
+	mutex_init(&uvmm->mutex);
+	mt_init_flags(&uvmm->region_mt, MT_FLAGS_LOCK_EXTERN);
+	mt_set_external_lock(&uvmm->region_mt, &uvmm->mutex);
 
-	drm_gpuvm_init(&uvmm->base, cli->name,
+	drm_gpuvm_init(&uvmm->base, cli->name, 0, drm, r_obj,
 		       NOUVEAU_VA_SPACE_START,
 		       NOUVEAU_VA_SPACE_END,
-		       kernel_managed_addr, kernel_managed_size,
-		       NULL);
+		       init->kernel_managed_addr,
+		       init->kernel_managed_size,
+		       &gpuvm_ops);
+	/* GPUVM takes care from here on. */
+	drm_gem_object_put(r_obj);
 
 	ret = nvif_vmm_ctor(&cli->mmu, "uvmm",
 			    cli->vmm.vmm.object.oclass, RAW,
-			    kernel_managed_addr, kernel_managed_size,
-			    NULL, 0, &cli->uvmm.vmm.vmm);
+			    init->kernel_managed_addr,
+			    init->kernel_managed_size,
+			    NULL, 0, &uvmm->vmm.vmm);
 	if (ret)
-		goto out_free_gpuva_mgr;
+		goto out_gpuvm_fini;
 
-	cli->uvmm.vmm.cli = cli;
+	uvmm->vmm.cli = cli;
+	cli->uvmm.ptr = uvmm;
 	mutex_unlock(&cli->mutex);
 
 	return 0;
 
-out_free_gpuva_mgr:
-	drm_gpuvm_destroy(&uvmm->base);
+out_gpuvm_fini:
+	drm_gpuvm_put(&uvmm->base);
 out_unlock:
 	mutex_unlock(&cli->mutex);
 	return ret;
@@ -1867,15 +1892,8 @@ nouveau_uvmm_fini(struct nouveau_uvmm *uvmm)
 	MA_STATE(mas, &uvmm->region_mt, 0, 0);
 	struct nouveau_uvma_region *reg;
 	struct nouveau_cli *cli = uvmm->vmm.cli;
-	struct nouveau_sched_entity *entity = &cli->sched_entity;
 	struct drm_gpuva *va, *next;
 
-	if (!cli)
-		return;
-
-	rmb(); /* for list_empty to work without lock */
-	wait_event(entity->job.wq, list_empty(&entity->job.list.head));
-
 	nouveau_uvmm_lock(uvmm);
 	drm_gpuvm_for_each_va_safe(va, next, &uvmm->base) {
 		struct nouveau_uvma *uvma = uvma_from_va(va);
@@ -1910,8 +1928,6 @@ nouveau_uvmm_fini(struct nouveau_uvmm *uvmm)
 
 	mutex_lock(&cli->mutex);
 	nouveau_vmm_fini(&uvmm->vmm);
-	drm_gpuvm_destroy(&uvmm->base);
+	drm_gpuvm_put(&uvmm->base);
 	mutex_unlock(&cli->mutex);
-
-	dma_resv_fini(&uvmm->resv);
 }