1 | /* |
2 | * Copyright 2020 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 "nouveau_bo.h" |
23 | #include "nouveau_dma.h" |
24 | #include "nouveau_mem.h" |
25 | |
26 | #include <nvif/push906f.h> |
27 | |
28 | /*XXX: Fixup class to be compatible with NVIDIA's, which will allow sharing |
29 | * code with KeplerDmaCopyA. |
30 | */ |
31 | |
32 | int |
33 | nvc0_bo_move_copy(struct nouveau_channel *chan, struct ttm_buffer_object *bo, |
34 | struct ttm_resource *old_reg, struct ttm_resource *new_reg) |
35 | { |
36 | struct nouveau_mem *mem = nouveau_mem(reg: old_reg); |
37 | struct nvif_push *push = chan->chan.push; |
38 | u64 src_offset = mem->vma[0].addr; |
39 | u64 dst_offset = mem->vma[1].addr; |
40 | u32 page_count = PFN_UP(new_reg->size); |
41 | int ret; |
42 | |
43 | page_count = PFN_UP(new_reg->size); |
44 | while (page_count) { |
45 | int line_count = (page_count > 8191) ? 8191 : page_count; |
46 | |
47 | ret = PUSH_WAIT(push, 10); |
48 | if (ret) |
49 | return ret; |
50 | |
51 | PUSH_NVSQ(push, NV90B5, 0x030c, upper_32_bits(src_offset), |
52 | 0x0310, lower_32_bits(src_offset), |
53 | 0x0314, upper_32_bits(dst_offset), |
54 | 0x0318, lower_32_bits(dst_offset), |
55 | 0x031c, PAGE_SIZE, |
56 | 0x0320, PAGE_SIZE, |
57 | 0x0324, PAGE_SIZE, |
58 | 0x0328, line_count); |
59 | PUSH_NVIM(push, NV90B5, 0x0300, 0x0110); |
60 | |
61 | page_count -= line_count; |
62 | src_offset += (PAGE_SIZE * line_count); |
63 | dst_offset += (PAGE_SIZE * line_count); |
64 | } |
65 | |
66 | return 0; |
67 | } |
68 | |