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ecc0b326 MD |
1 | /* |
2 | * Copyright 2009 VMware, 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 | * Authors: Michel Dänzer | |
23 | */ | |
24 | #include <drm/drmP.h> | |
25 | #include <drm/radeon_drm.h> | |
26 | #include "radeon_reg.h" | |
27 | #include "radeon.h" | |
28 | ||
29 | ||
30 | /* Test BO GTT->VRAM and VRAM->GTT GPU copies across the whole GTT aperture */ | |
31 | void radeon_test_moves(struct radeon_device *rdev) | |
32 | { | |
4c788679 JG |
33 | struct radeon_bo *vram_obj = NULL; |
34 | struct radeon_bo **gtt_obj = NULL; | |
ecc0b326 MD |
35 | struct radeon_fence *fence = NULL; |
36 | uint64_t gtt_addr, vram_addr; | |
37 | unsigned i, n, size; | |
38 | int r; | |
39 | ||
40 | size = 1024 * 1024; | |
41 | ||
42 | /* Number of tests = | |
24cae9e7 | 43 | * (Total GTT - IB pool - writeback page - ring buffers) / test size |
ecc0b326 | 44 | */ |
24cae9e7 MD |
45 | n = rdev->mc.gtt_size - RADEON_IB_POOL_SIZE*64*1024 - rdev->cp.ring_size; |
46 | if (rdev->wb.wb_obj) | |
47 | n -= RADEON_GPU_PAGE_SIZE; | |
48 | if (rdev->ih.ring_obj) | |
49 | n -= rdev->ih.ring_size; | |
50 | n /= size; | |
ecc0b326 MD |
51 | |
52 | gtt_obj = kzalloc(n * sizeof(*gtt_obj), GFP_KERNEL); | |
53 | if (!gtt_obj) { | |
54 | DRM_ERROR("Failed to allocate %d pointers\n", n); | |
55 | r = 1; | |
56 | goto out_cleanup; | |
57 | } | |
58 | ||
441921d5 | 59 | r = radeon_bo_create(rdev, size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, |
4c788679 | 60 | &vram_obj); |
ecc0b326 MD |
61 | if (r) { |
62 | DRM_ERROR("Failed to create VRAM object\n"); | |
63 | goto out_cleanup; | |
64 | } | |
4c788679 JG |
65 | r = radeon_bo_reserve(vram_obj, false); |
66 | if (unlikely(r != 0)) | |
67 | goto out_cleanup; | |
68 | r = radeon_bo_pin(vram_obj, RADEON_GEM_DOMAIN_VRAM, &vram_addr); | |
ecc0b326 MD |
69 | if (r) { |
70 | DRM_ERROR("Failed to pin VRAM object\n"); | |
71 | goto out_cleanup; | |
72 | } | |
ecc0b326 MD |
73 | for (i = 0; i < n; i++) { |
74 | void *gtt_map, *vram_map; | |
75 | void **gtt_start, **gtt_end; | |
76 | void **vram_start, **vram_end; | |
77 | ||
441921d5 | 78 | r = radeon_bo_create(rdev, size, PAGE_SIZE, true, |
4c788679 | 79 | RADEON_GEM_DOMAIN_GTT, gtt_obj + i); |
ecc0b326 MD |
80 | if (r) { |
81 | DRM_ERROR("Failed to create GTT object %d\n", i); | |
82 | goto out_cleanup; | |
83 | } | |
84 | ||
4c788679 JG |
85 | r = radeon_bo_reserve(gtt_obj[i], false); |
86 | if (unlikely(r != 0)) | |
87 | goto out_cleanup; | |
88 | r = radeon_bo_pin(gtt_obj[i], RADEON_GEM_DOMAIN_GTT, >t_addr); | |
ecc0b326 MD |
89 | if (r) { |
90 | DRM_ERROR("Failed to pin GTT object %d\n", i); | |
91 | goto out_cleanup; | |
92 | } | |
93 | ||
4c788679 | 94 | r = radeon_bo_kmap(gtt_obj[i], >t_map); |
ecc0b326 MD |
95 | if (r) { |
96 | DRM_ERROR("Failed to map GTT object %d\n", i); | |
97 | goto out_cleanup; | |
98 | } | |
99 | ||
100 | for (gtt_start = gtt_map, gtt_end = gtt_map + size; | |
101 | gtt_start < gtt_end; | |
102 | gtt_start++) | |
103 | *gtt_start = gtt_start; | |
104 | ||
4c788679 | 105 | radeon_bo_kunmap(gtt_obj[i]); |
ecc0b326 MD |
106 | |
107 | r = radeon_fence_create(rdev, &fence); | |
108 | if (r) { | |
109 | DRM_ERROR("Failed to create GTT->VRAM fence %d\n", i); | |
110 | goto out_cleanup; | |
111 | } | |
112 | ||
a77f1718 | 113 | r = radeon_copy(rdev, gtt_addr, vram_addr, size / RADEON_GPU_PAGE_SIZE, fence); |
ecc0b326 MD |
114 | if (r) { |
115 | DRM_ERROR("Failed GTT->VRAM copy %d\n", i); | |
116 | goto out_cleanup; | |
117 | } | |
118 | ||
119 | r = radeon_fence_wait(fence, false); | |
120 | if (r) { | |
121 | DRM_ERROR("Failed to wait for GTT->VRAM fence %d\n", i); | |
122 | goto out_cleanup; | |
123 | } | |
124 | ||
125 | radeon_fence_unref(&fence); | |
126 | ||
4c788679 | 127 | r = radeon_bo_kmap(vram_obj, &vram_map); |
ecc0b326 MD |
128 | if (r) { |
129 | DRM_ERROR("Failed to map VRAM object after copy %d\n", i); | |
130 | goto out_cleanup; | |
131 | } | |
132 | ||
133 | for (gtt_start = gtt_map, gtt_end = gtt_map + size, | |
134 | vram_start = vram_map, vram_end = vram_map + size; | |
135 | vram_start < vram_end; | |
136 | gtt_start++, vram_start++) { | |
137 | if (*vram_start != gtt_start) { | |
138 | DRM_ERROR("Incorrect GTT->VRAM copy %d: Got 0x%p, " | |
139 | "expected 0x%p (GTT map 0x%p-0x%p)\n", | |
140 | i, *vram_start, gtt_start, gtt_map, | |
141 | gtt_end); | |
4c788679 | 142 | radeon_bo_kunmap(vram_obj); |
ecc0b326 MD |
143 | goto out_cleanup; |
144 | } | |
145 | *vram_start = vram_start; | |
146 | } | |
147 | ||
4c788679 | 148 | radeon_bo_kunmap(vram_obj); |
ecc0b326 MD |
149 | |
150 | r = radeon_fence_create(rdev, &fence); | |
151 | if (r) { | |
152 | DRM_ERROR("Failed to create VRAM->GTT fence %d\n", i); | |
153 | goto out_cleanup; | |
154 | } | |
155 | ||
a77f1718 | 156 | r = radeon_copy(rdev, vram_addr, gtt_addr, size / RADEON_GPU_PAGE_SIZE, fence); |
ecc0b326 MD |
157 | if (r) { |
158 | DRM_ERROR("Failed VRAM->GTT copy %d\n", i); | |
159 | goto out_cleanup; | |
160 | } | |
161 | ||
162 | r = radeon_fence_wait(fence, false); | |
163 | if (r) { | |
164 | DRM_ERROR("Failed to wait for VRAM->GTT fence %d\n", i); | |
165 | goto out_cleanup; | |
166 | } | |
167 | ||
168 | radeon_fence_unref(&fence); | |
169 | ||
4c788679 | 170 | r = radeon_bo_kmap(gtt_obj[i], >t_map); |
ecc0b326 MD |
171 | if (r) { |
172 | DRM_ERROR("Failed to map GTT object after copy %d\n", i); | |
173 | goto out_cleanup; | |
174 | } | |
175 | ||
176 | for (gtt_start = gtt_map, gtt_end = gtt_map + size, | |
177 | vram_start = vram_map, vram_end = vram_map + size; | |
178 | gtt_start < gtt_end; | |
179 | gtt_start++, vram_start++) { | |
180 | if (*gtt_start != vram_start) { | |
181 | DRM_ERROR("Incorrect VRAM->GTT copy %d: Got 0x%p, " | |
182 | "expected 0x%p (VRAM map 0x%p-0x%p)\n", | |
183 | i, *gtt_start, vram_start, vram_map, | |
184 | vram_end); | |
4c788679 | 185 | radeon_bo_kunmap(gtt_obj[i]); |
ecc0b326 MD |
186 | goto out_cleanup; |
187 | } | |
188 | } | |
189 | ||
4c788679 | 190 | radeon_bo_kunmap(gtt_obj[i]); |
ecc0b326 MD |
191 | |
192 | DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n", | |
d594e46a | 193 | gtt_addr - rdev->mc.gtt_start); |
ecc0b326 MD |
194 | } |
195 | ||
196 | out_cleanup: | |
197 | if (vram_obj) { | |
4c788679 JG |
198 | if (radeon_bo_is_reserved(vram_obj)) { |
199 | radeon_bo_unpin(vram_obj); | |
200 | radeon_bo_unreserve(vram_obj); | |
201 | } | |
202 | radeon_bo_unref(&vram_obj); | |
ecc0b326 MD |
203 | } |
204 | if (gtt_obj) { | |
205 | for (i = 0; i < n; i++) { | |
206 | if (gtt_obj[i]) { | |
4c788679 JG |
207 | if (radeon_bo_is_reserved(gtt_obj[i])) { |
208 | radeon_bo_unpin(gtt_obj[i]); | |
209 | radeon_bo_unreserve(gtt_obj[i]); | |
210 | } | |
211 | radeon_bo_unref(>t_obj[i]); | |
ecc0b326 MD |
212 | } |
213 | } | |
214 | kfree(gtt_obj); | |
215 | } | |
216 | if (fence) { | |
217 | radeon_fence_unref(&fence); | |
218 | } | |
219 | if (r) { | |
220 | printk(KERN_WARNING "Error while testing BO move.\n"); | |
221 | } | |
222 | } |