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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramga102.c
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/*
 * Copyright 2021 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 "ram.h"

#include <subdev/bios.h>
#include <subdev/bios/init.h>
#include <subdev/bios/rammap.h>

static const struct nvkm_ram_func
ga102_ram = {
};

int
ga102_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
{
	struct nvkm_device *device = fb->subdev.device;
	enum nvkm_ram_type type = nvkm_fb_bios_memtype(device->bios);
	u32 size = nvkm_rd32(device, 0x1183a4);

	return nvkm_ram_new_(&ga102_ram, fb, type, (u64)size << 20, pram);
}