drm/nouveau: allocate mmu object for every client

{

	usif_client_fini(cli);

	nouveau_vmm_fini(&cli->vmm);

	nvif_mmu_fini(&cli->mmu);

	nvif_device_fini(&cli->device);

	mutex_lock(&cli->drm->master.lock);

	nvif_client_fini(&cli->base);

nouveau_cli_init(struct nouveau_drm *drm, const char *sname,

		 struct nouveau_cli *cli)

{

	static const struct nvif_mclass

	mmus[] = {

		{ NVIF_CLASS_MMU_GF100, -1 },

		{ NVIF_CLASS_MMU_NV50 , -1 },

		{ NVIF_CLASS_MMU_NV04 , -1 },

		{}

	};

	u64 device = nouveau_name(drm->dev);

	int ret;

		goto done;

	}

	ret = nvif_mclass(&cli->device.object, mmus);

	if (ret < 0) {

		NV_ERROR(drm, "No supported MMU class\n");

		goto done;

	}

	ret = nvif_mmu_init(&cli->device.object, mmus[ret].oclass, &cli->mmu);

	if (ret) {

		NV_ERROR(drm, "MMU allocation failed: %d\n", ret);

		goto done;

	}

done:

	if (ret)

		nouveau_cli_fini(cli);

#include <nvif/client.h>

#include <nvif/device.h>

#include <nvif/ioctl.h>

#include <nvif/mmu.h>

#include <drm/drmP.h>

	struct mutex mutex;

	struct nvif_device device;

	struct nvif_mmu mmu;

	struct nouveau_vmm vmm;

	struct nvkm_vm *vm;