linux_kernel/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gk20a.c

/*
 * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
 *
 * 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, sublicense,
 * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS 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 "gf100.h"

static const struct nvkm_bar_func
gk20a_bar_func = {
	.dtor = gf100_bar_dtor,
	.oneinit = gf100_bar_oneinit,
	.init = gf100_bar_init,
	.umap = gf100_bar_umap,
	.flush = g84_bar_flush,
};

int
gk20a_bar_new(struct nvkm_device *device, int index, struct nvkm_bar **pbar)
{
	int ret = gf100_bar_new_(&gk20a_bar_func, device, index, pbar);
	if (ret == 0)
		(*pbar)->iomap_uncached = true;
	return ret;
}