2 * Copyright 2007 Dave Airlied
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
25 * Authors: Dave Airlied <airlied@linux.ie>
26 * Ben Skeggs <darktama@iinet.net.au>
27 * Jeremy Kolb <jkolb@brandeis.edu>
29 #include "nouveau_bo.h"
30 #include "nouveau_dma.h"
31 #include "nouveau_drv.h"
32 #include "nouveau_mem.h"
35 nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
36 struct ttm_mem_reg *old_reg, struct ttm_mem_reg *new_reg)
38 struct nouveau_mem *mem = nouveau_mem(old_reg);
39 u64 length = (new_reg->num_pages << PAGE_SHIFT);
40 u64 src_offset = mem->vma[0].addr;
41 u64 dst_offset = mem->vma[1].addr;
42 int src_tiled = !!mem->kind;
43 int dst_tiled = !!nouveau_mem(new_reg)->kind;
47 u32 amount, stride, height;
49 ret = RING_SPACE(chan, 18 + 6 * (src_tiled + dst_tiled));
53 amount = min(length, (u64)(4 * 1024 * 1024));
55 height = amount / stride;
58 BEGIN_NV04(chan, NvSubCopy, 0x0200, 7);
61 OUT_RING (chan, stride);
62 OUT_RING (chan, height);
67 BEGIN_NV04(chan, NvSubCopy, 0x0200, 1);
71 BEGIN_NV04(chan, NvSubCopy, 0x021c, 7);
74 OUT_RING (chan, stride);
75 OUT_RING (chan, height);
80 BEGIN_NV04(chan, NvSubCopy, 0x021c, 1);
84 BEGIN_NV04(chan, NvSubCopy, 0x0238, 2);
85 OUT_RING (chan, upper_32_bits(src_offset));
86 OUT_RING (chan, upper_32_bits(dst_offset));
87 BEGIN_NV04(chan, NvSubCopy, 0x030c, 8);
88 OUT_RING (chan, lower_32_bits(src_offset));
89 OUT_RING (chan, lower_32_bits(dst_offset));
90 OUT_RING (chan, stride);
91 OUT_RING (chan, stride);
92 OUT_RING (chan, stride);
93 OUT_RING (chan, height);
94 OUT_RING (chan, 0x00000101);
95 OUT_RING (chan, 0x00000000);
96 BEGIN_NV04(chan, NvSubCopy, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1);
100 src_offset += amount;
101 dst_offset += amount;
108 nv50_bo_move_init(struct nouveau_channel *chan, u32 handle)
110 int ret = RING_SPACE(chan, 6);
112 BEGIN_NV04(chan, NvSubCopy, 0x0000, 1);
113 OUT_RING (chan, handle);
114 BEGIN_NV04(chan, NvSubCopy, 0x0180, 3);
115 OUT_RING (chan, chan->drm->ntfy.handle);
116 OUT_RING (chan, chan->vram.handle);
117 OUT_RING (chan, chan->vram.handle);