linux-arkmicro/linux/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gv100.c

/*
 * Copyright 2018 Red Hat Inc.
 *
 * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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"
#include "ram.h"

static int
gv100_fb_init_page(struct nvkm_fb *fb)
{
	return (fb->page == 16) ? 0 : -EINVAL;
}

static const struct nvkm_fb_func
gv100_fb = {
	.dtor = gf100_fb_dtor,
	.oneinit = gf100_fb_oneinit,
	.init = gp100_fb_init,
	.init_page = gv100_fb_init_page,
	.init_unkn = gp100_fb_init_unkn,
	.ram_new = gp100_ram_new,
	.default_bigpage = 16,
};

int
gv100_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
{
	return gf100_fb_new_(&gv100_fb, device, index, pfb);
}