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UBUNTU: Ubuntu-4.15.0-96.97
[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / nouveau / nvkm / subdev / fb / nv25.c
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1/*
2 * Copyright (C) 2010 Francisco Jerez.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
03c8952f 26#include "priv.h"
d36a99d2 27#include "ram.h"
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28
29static void
b1e4553c 30nv25_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
639c308e 31 struct nvkm_fb_tile *tile)
a8749af1 32{
fd3a5225 33 u32 tiles = DIV_ROUND_UP(size, 0x40);
b1e4553c 34 u32 tags = round_up(tiles / fb->ram->parts, 0x40);
7ef44bee 35 if (!nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
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36 if (!(flags & 2)) tile->zcomp = 0x00100000; /* Z16 */
37 else tile->zcomp = 0x00200000; /* Z24S8 */
38 tile->zcomp |= tile->tag->offset;
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39#ifdef __BIG_ENDIAN
40 tile->zcomp |= 0x01000000;
41#endif
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42 }
43}
44
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45static const struct nvkm_fb_func
46nv25_fb = {
af793b8c 47 .tags = nv20_fb_tags,
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48 .tile.regions = 8,
49 .tile.init = nv20_fb_tile_init,
50 .tile.comp = nv25_fb_tile_comp,
51 .tile.fini = nv20_fb_tile_fini,
52 .tile.prog = nv20_fb_tile_prog,
03c8952f 53 .ram_new = nv20_ram_new,
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54};
55
56int
57nv25_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
58{
59 return nvkm_fb_new_(&nv25_fb, device, index, pfb);
60}