linux/drivers/gpu/drm/nouveau/nouveau_ttm.c

// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA,
 * Copyright (c) 2009 VMware, Inc., Palo Alto, CA., USA,
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sub license,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include <linux/limits.h>

#include <drm/ttm/ttm_range_manager.h>
#include <drm/drm_cache.h>

#include "nouveau_drv.h"
#include "nouveau_gem.h"
#include "nouveau_mem.h"
#include "nouveau_ttm.h"

#include <core/tegra.h>

static void
nouveau_manager_del(struct ttm_resource_manager *man,
		    struct ttm_resource *reg)
{ … }

static bool
nouveau_manager_intersects(struct ttm_resource_manager *man,
			   struct ttm_resource *res,
			   const struct ttm_place *place,
			   size_t size)
{ … }

static bool
nouveau_manager_compatible(struct ttm_resource_manager *man,
			   struct ttm_resource *res,
			   const struct ttm_place *place,
			   size_t size)
{ … }

static int
nouveau_vram_manager_new(struct ttm_resource_manager *man,
			 struct ttm_buffer_object *bo,
			 const struct ttm_place *place,
			 struct ttm_resource **res)
{ … }

const struct ttm_resource_manager_func nouveau_vram_manager = …;

static int
nouveau_gart_manager_new(struct ttm_resource_manager *man,
			 struct ttm_buffer_object *bo,
			 const struct ttm_place *place,
			 struct ttm_resource **res)
{ … }

const struct ttm_resource_manager_func nouveau_gart_manager = …;

static int
nv04_gart_manager_new(struct ttm_resource_manager *man,
		      struct ttm_buffer_object *bo,
		      const struct ttm_place *place,
		      struct ttm_resource **res)
{ … }

const struct ttm_resource_manager_func nv04_gart_manager = …;

static int
nouveau_ttm_init_host(struct nouveau_drm *drm, u8 kind)
{ … }

static int
nouveau_ttm_init_vram(struct nouveau_drm *drm)
{ … }

static void
nouveau_ttm_fini_vram(struct nouveau_drm *drm)
{ … }

static int
nouveau_ttm_init_gtt(struct nouveau_drm *drm)
{ … }

static void
nouveau_ttm_fini_gtt(struct nouveau_drm *drm)
{ … }

int
nouveau_ttm_init(struct nouveau_drm *drm)
{ … }

void
nouveau_ttm_fini(struct nouveau_drm *drm)
{ … }