xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gm20b.c (revision be709d48329a500621d2a05835283150ae137b45)
1 /*
2  * Copyright 2017 Red Hat Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  */
22 #include "gf100.h"
23 
24 static const struct nvkm_bar_func
25 gm20b_bar_func = {
26 	.dtor = gf100_bar_dtor,
27 	.oneinit = gf100_bar_oneinit,
28 	.bar1.init = gf100_bar_bar1_init,
29 	.bar1.fini = gf100_bar_bar1_fini,
30 	.bar1.wait = gm107_bar_bar1_wait,
31 	.bar1.vmm = gf100_bar_bar1_vmm,
32 	.flush = g84_bar_flush,
33 };
34 
35 int
36 gm20b_bar_new(struct nvkm_device *device, int index, struct nvkm_bar **pbar)
37 {
38 	int ret = gf100_bar_new_(&gm20b_bar_func, device, index, pbar);
39 	if (ret == 0)
40 		(*pbar)->iomap_uncached = true;
41 	return ret;
42 }
43