drm/nouveau/client: tidy ctor/dtor interfaces

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/include/nvkm/core/client.h

@@ -5,7 +5,7 @@
 struct nvkm_client {
 	struct nvkm_namedb namedb;
 	struct nvkm_handle *root;
-	struct nvkm_object *device;
+	struct nvkm_device *device;
 	char name[32];
 	u32 debug;
 	struct nvkm_vm *vm;
@@ -34,14 +34,9 @@ nvkm_client(void *obj)
 	return (void *)client;
 }
 
-#define nvkm_client_create(n,c,oc,od,d)                                     \
-	nvkm_client_create_((n), (c), (oc), (od), sizeof(**d), (void **)d)
-
-int  nvkm_client_create_(const char *name, u64 device, const char *cfg,
-			    const char *dbg, int, void **);
-#define nvkm_client_destroy(p)                                              \
-	nvkm_namedb_destroy(&(p)->base)
-
+int  nvkm_client_new(const char *name, u64 device, const char *cfg,
+		     const char *dbg, struct nvkm_client **);
+void nvkm_client_del(struct nvkm_client **);
 int  nvkm_client_init(struct nvkm_client *);
 int  nvkm_client_fini(struct nvkm_client *, bool suspend);
 const char *nvkm_client_name(void *obj);

drivers/gpu/drm/nouveau/nouveau_drm.c

@@ -530,14 +530,14 @@ nouveau_drm_device_remove(struct drm_device *dev)
 {
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nvkm_client *client;
-	struct nvkm_object *device;
+	struct nvkm_device *device;
 
 	dev->irq_enabled = false;
 	client = nvxx_client(&drm->client.base);
 	device = client->device;
 	drm_put_dev(dev);
 
-	nvkm_object_ref(NULL, &device);
+	nvkm_object_ref(NULL, (struct nvkm_object **)&device);
 }
 
 static void

drivers/gpu/drm/nouveau/nouveau_nvif.c

@@ -72,10 +72,8 @@ nvkm_client_suspend(void *priv)
 static void
 nvkm_client_driver_fini(void *priv)
 {
-	struct nvkm_object *client = priv;
-	nvkm_client_fini(nv_client(client), false);
-	atomic_set(&client->refcount, 1);
-	nvkm_object_ref(NULL, &client);
+	struct nvkm_client *client = priv;
+	nvkm_client_del(&client);
 }
 
 static int
@@ -113,7 +111,7 @@ nvkm_client_driver_init(const char *name, u64 device, const char *cfg,
 	struct nvkm_client *client;
 	int ret;
 
-	ret = nvkm_client_create(name, device, cfg, dbg, &client);
+	ret = nvkm_client_new(name, device, cfg, dbg, &client);
 	*ppriv = client;
 	if (ret)
 		return ret;

drivers/gpu/drm/nouveau/nvkm/core/client.c

@@ -176,43 +176,73 @@ nvkm_client_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
 	return -EINVAL;
 }
 
-static void
-nvkm_client_dtor(struct nvkm_object *object)
-{
-	struct nvkm_client *client = (void *)object;
-	int i;
-	for (i = 0; i < ARRAY_SIZE(client->notify); i++)
-		nvkm_client_notify_del(client, i);
-	nvkm_object_ref(NULL, &client->device);
-	nvkm_handle_destroy(client->root);
-	nvkm_namedb_destroy(&client->namedb);
-}
-
 static struct nvkm_oclass
 nvkm_client_oclass = {
 	.ofuncs = &(struct nvkm_ofuncs) {
-		.dtor = nvkm_client_dtor,
 		.mthd = nvkm_client_mthd,
 	},
 };
 
 int
-nvkm_client_create_(const char *name, u64 devname, const char *cfg,
-		    const char *dbg, int length, void **pobject)
+nvkm_client_fini(struct nvkm_client *client, bool suspend)
+{
+	struct nvkm_object *object = &client->namedb.parent.object;
+	const char *name[2] = { "fini", "suspend" };
+	int ret, i;
+	nvif_trace(object, "%s running\n", name[suspend]);
+	nvif_trace(object, "%s notify\n", name[suspend]);
+	for (i = 0; i < ARRAY_SIZE(client->notify); i++)
+		nvkm_client_notify_put(client, i);
+	nvif_trace(object, "%s object\n", name[suspend]);
+	ret = nvkm_handle_fini(client->root, suspend);
+	nvif_trace(object, "%s completed with %d\n", name[suspend], ret);
+	return ret;
+}
+
+int
+nvkm_client_init(struct nvkm_client *client)
+{
+	struct nvkm_object *object = &client->namedb.parent.object;
+	int ret;
+	nvif_trace(object, "init running\n");
+	ret = nvkm_handle_init(client->root);
+	nvif_trace(object, "init completed with %d\n", ret);
+	return ret;
+}
+
+void
+nvkm_client_del(struct nvkm_client **pclient)
+{
+	struct nvkm_client *client = *pclient;
+	int i;
+	if (client) {
+		nvkm_client_fini(client, false);
+		for (i = 0; i < ARRAY_SIZE(client->notify); i++)
+			nvkm_client_notify_del(client, i);
+		nvkm_object_ref(NULL, (struct nvkm_object **)&client->device);
+		nvkm_handle_destroy(client->root);
+		nvkm_namedb_destroy(&client->namedb);
+		*pclient = NULL;
+	}
+}
+
+int
+nvkm_client_new(const char *name, u64 devname, const char *cfg,
+		const char *dbg, struct nvkm_client **pclient)
 {
-	struct nvkm_object *device;
+	struct nvkm_device *device;
 	struct nvkm_client *client;
 	int ret;
 
-	device = (void *)nvkm_device_find(devname);
+	device = nvkm_device_find(devname);
 	if (!device)
 		return -ENODEV;
 
-	ret = nvkm_namedb_create_(NULL, NULL, &nvkm_client_oclass,
-				  NV_CLIENT_CLASS, NULL,
-				  (1ULL << NVDEV_ENGINE_DEVICE),
-				  length, pobject);
-	client = *pobject;
+	ret = nvkm_namedb_create(NULL, NULL, &nvkm_client_oclass,
+				 NV_CLIENT_CLASS, NULL,
+				 (1ULL << NVDEV_ENGINE_DEVICE),
+				 &client);
+	*pclient = client;
 	if (ret)
 		return ret;
 
@@ -224,39 +254,13 @@ nvkm_client_create_(const char *name, u64 devname, const char *cfg,
 	/* prevent init/fini being called, os in in charge of this */
 	atomic_set(&nv_object(client)->usecount, 2);
 
-	nvkm_object_ref(device, &client->device);
+	nvkm_object_ref(&device->engine.subdev.object,
+			(struct nvkm_object **)&client->device);
 	snprintf(client->name, sizeof(client->name), "%s", name);
 	client->debug = nvkm_dbgopt(dbg, "CLIENT");
 	return 0;
 }
 
-int
-nvkm_client_init(struct nvkm_client *client)
-{
-	struct nvkm_object *object = &client->namedb.parent.object;
-	int ret;
-	nvif_trace(object, "init running\n");
-	ret = nvkm_handle_init(client->root);
-	nvif_trace(object, "init completed with %d\n", ret);
-	return ret;
-}
-
-int
-nvkm_client_fini(struct nvkm_client *client, bool suspend)
-{
-	struct nvkm_object *object = &client->namedb.parent.object;
-	const char *name[2] = { "fini", "suspend" };
-	int ret, i;
-	nvif_trace(object, "%s running\n", name[suspend]);
-	nvif_trace(object, "%s notify\n", name[suspend]);
-	for (i = 0; i < ARRAY_SIZE(client->notify); i++)
-		nvkm_client_notify_put(client, i);
-	nvif_trace(object, "%s object\n", name[suspend]);
-	ret = nvkm_handle_fini(client->root, suspend);
-	nvif_trace(object, "%s completed with %d\n", name[suspend], ret);
-	return ret;
-}
-
 const char *
 nvkm_client_name(void *obj)
 {

drivers/gpu/drm/nouveau/nvkm/engine/device/base.c

@@ -308,7 +308,7 @@ nvkm_devobj_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 		oclass = &nvkm_devobj_oclass_super;
 
 	/* find the device subdev that matches what the client requested */
-	device = nv_device(client->device);
+	device = client->device;
 	if (args->v0.device != ~0) {
 		device = nvkm_device_find(args->v0.device);
 		if (!device)