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9f87830f | 1 | // SPDX-License-Identifier: GPL-2.0 OR MIT |
d38ceaf9 AD |
2 | /* |
3 | * Copyright 2009 VMware, Inc. | |
4 | * | |
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: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included in | |
13 | * all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
21 | * OTHER DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: Michel Dänzer | |
24 | */ | |
fdf2f6c5 | 25 | |
d38ceaf9 AD |
26 | #include <drm/amdgpu_drm.h> |
27 | #include "amdgpu.h" | |
28 | #include "amdgpu_uvd.h" | |
29 | #include "amdgpu_vce.h" | |
30 | ||
31 | /* Test BO GTT->VRAM and VRAM->GTT GPU copies across the whole GTT aperture */ | |
32 | static void amdgpu_do_test_moves(struct amdgpu_device *adev) | |
33 | { | |
34 | struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; | |
35 | struct amdgpu_bo *vram_obj = NULL; | |
36 | struct amdgpu_bo **gtt_obj = NULL; | |
3216c6b7 | 37 | struct amdgpu_bo_param bp; |
6f02a696 | 38 | uint64_t gart_addr, vram_addr; |
d38ceaf9 AD |
39 | unsigned n, size; |
40 | int i, r; | |
41 | ||
42 | size = 1024 * 1024; | |
43 | ||
44 | /* Number of tests = | |
45 | * (Total GTT - IB pool - writeback page - ring buffers) / test size | |
46 | */ | |
770d13b1 | 47 | n = adev->gmc.gart_size - AMDGPU_IB_POOL_SIZE*64*1024; |
d38ceaf9 AD |
48 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) |
49 | if (adev->rings[i]) | |
50 | n -= adev->rings[i]->ring_size; | |
51 | if (adev->wb.wb_obj) | |
52 | n -= AMDGPU_GPU_PAGE_SIZE; | |
53 | if (adev->irq.ih.ring_obj) | |
54 | n -= adev->irq.ih.ring_size; | |
55 | n /= size; | |
56 | ||
6396bb22 | 57 | gtt_obj = kcalloc(n, sizeof(*gtt_obj), GFP_KERNEL); |
d38ceaf9 AD |
58 | if (!gtt_obj) { |
59 | DRM_ERROR("Failed to allocate %d pointers\n", n); | |
60 | r = 1; | |
61 | goto out_cleanup; | |
62 | } | |
3216c6b7 CZ |
63 | memset(&bp, 0, sizeof(bp)); |
64 | bp.size = size; | |
65 | bp.byte_align = PAGE_SIZE; | |
66 | bp.domain = AMDGPU_GEM_DOMAIN_VRAM; | |
67 | bp.flags = 0; | |
68 | bp.type = ttm_bo_type_kernel; | |
69 | bp.resv = NULL; | |
d38ceaf9 | 70 | |
3216c6b7 | 71 | r = amdgpu_bo_create(adev, &bp, &vram_obj); |
d38ceaf9 AD |
72 | if (r) { |
73 | DRM_ERROR("Failed to create VRAM object\n"); | |
74 | goto out_cleanup; | |
75 | } | |
76 | r = amdgpu_bo_reserve(vram_obj, false); | |
77 | if (unlikely(r != 0)) | |
78 | goto out_unref; | |
7b7c6c81 | 79 | r = amdgpu_bo_pin(vram_obj, AMDGPU_GEM_DOMAIN_VRAM); |
d38ceaf9 AD |
80 | if (r) { |
81 | DRM_ERROR("Failed to pin VRAM object\n"); | |
82 | goto out_unres; | |
83 | } | |
7b7c6c81 | 84 | vram_addr = amdgpu_bo_gpu_offset(vram_obj); |
d38ceaf9 AD |
85 | for (i = 0; i < n; i++) { |
86 | void *gtt_map, *vram_map; | |
6f02a696 | 87 | void **gart_start, **gart_end; |
d38ceaf9 | 88 | void **vram_start, **vram_end; |
f54d1867 | 89 | struct dma_fence *fence = NULL; |
d38ceaf9 | 90 | |
3216c6b7 CZ |
91 | bp.domain = AMDGPU_GEM_DOMAIN_GTT; |
92 | r = amdgpu_bo_create(adev, &bp, gtt_obj + i); | |
d38ceaf9 AD |
93 | if (r) { |
94 | DRM_ERROR("Failed to create GTT object %d\n", i); | |
95 | goto out_lclean; | |
96 | } | |
97 | ||
98 | r = amdgpu_bo_reserve(gtt_obj[i], false); | |
99 | if (unlikely(r != 0)) | |
100 | goto out_lclean_unref; | |
7b7c6c81 | 101 | r = amdgpu_bo_pin(gtt_obj[i], AMDGPU_GEM_DOMAIN_GTT); |
d38ceaf9 AD |
102 | if (r) { |
103 | DRM_ERROR("Failed to pin GTT object %d\n", i); | |
104 | goto out_lclean_unres; | |
105 | } | |
bb812f1e JZ |
106 | r = amdgpu_ttm_alloc_gart(>t_obj[i]->tbo); |
107 | if (r) { | |
108 | DRM_ERROR("%p bind failed\n", gtt_obj[i]); | |
109 | goto out_lclean_unpin; | |
110 | } | |
7b7c6c81 | 111 | gart_addr = amdgpu_bo_gpu_offset(gtt_obj[i]); |
d38ceaf9 AD |
112 | |
113 | r = amdgpu_bo_kmap(gtt_obj[i], >t_map); | |
114 | if (r) { | |
115 | DRM_ERROR("Failed to map GTT object %d\n", i); | |
116 | goto out_lclean_unpin; | |
117 | } | |
118 | ||
6f02a696 CK |
119 | for (gart_start = gtt_map, gart_end = gtt_map + size; |
120 | gart_start < gart_end; | |
121 | gart_start++) | |
122 | *gart_start = gart_start; | |
d38ceaf9 AD |
123 | |
124 | amdgpu_bo_kunmap(gtt_obj[i]); | |
125 | ||
6f02a696 | 126 | r = amdgpu_copy_buffer(ring, gart_addr, vram_addr, |
fc9c8f54 | 127 | size, NULL, &fence, false, false); |
d38ceaf9 AD |
128 | |
129 | if (r) { | |
130 | DRM_ERROR("Failed GTT->VRAM copy %d\n", i); | |
131 | goto out_lclean_unpin; | |
132 | } | |
133 | ||
f54d1867 | 134 | r = dma_fence_wait(fence, false); |
d38ceaf9 AD |
135 | if (r) { |
136 | DRM_ERROR("Failed to wait for GTT->VRAM fence %d\n", i); | |
137 | goto out_lclean_unpin; | |
138 | } | |
139 | ||
f54d1867 | 140 | dma_fence_put(fence); |
d38ceaf9 AD |
141 | |
142 | r = amdgpu_bo_kmap(vram_obj, &vram_map); | |
143 | if (r) { | |
144 | DRM_ERROR("Failed to map VRAM object after copy %d\n", i); | |
145 | goto out_lclean_unpin; | |
146 | } | |
147 | ||
6f02a696 | 148 | for (gart_start = gtt_map, gart_end = gtt_map + size, |
d38ceaf9 AD |
149 | vram_start = vram_map, vram_end = vram_map + size; |
150 | vram_start < vram_end; | |
6f02a696 CK |
151 | gart_start++, vram_start++) { |
152 | if (*vram_start != gart_start) { | |
d38ceaf9 AD |
153 | DRM_ERROR("Incorrect GTT->VRAM copy %d: Got 0x%p, " |
154 | "expected 0x%p (GTT/VRAM offset " | |
155 | "0x%16llx/0x%16llx)\n", | |
6f02a696 | 156 | i, *vram_start, gart_start, |
d38ceaf9 | 157 | (unsigned long long) |
770d13b1 | 158 | (gart_addr - adev->gmc.gart_start + |
6f02a696 | 159 | (void*)gart_start - gtt_map), |
d38ceaf9 | 160 | (unsigned long long) |
770d13b1 | 161 | (vram_addr - adev->gmc.vram_start + |
6f02a696 | 162 | (void*)gart_start - gtt_map)); |
d38ceaf9 AD |
163 | amdgpu_bo_kunmap(vram_obj); |
164 | goto out_lclean_unpin; | |
165 | } | |
166 | *vram_start = vram_start; | |
167 | } | |
168 | ||
169 | amdgpu_bo_kunmap(vram_obj); | |
170 | ||
6f02a696 | 171 | r = amdgpu_copy_buffer(ring, vram_addr, gart_addr, |
fc9c8f54 | 172 | size, NULL, &fence, false, false); |
d38ceaf9 AD |
173 | |
174 | if (r) { | |
175 | DRM_ERROR("Failed VRAM->GTT copy %d\n", i); | |
176 | goto out_lclean_unpin; | |
177 | } | |
178 | ||
f54d1867 | 179 | r = dma_fence_wait(fence, false); |
d38ceaf9 AD |
180 | if (r) { |
181 | DRM_ERROR("Failed to wait for VRAM->GTT fence %d\n", i); | |
182 | goto out_lclean_unpin; | |
183 | } | |
184 | ||
f54d1867 | 185 | dma_fence_put(fence); |
d38ceaf9 AD |
186 | |
187 | r = amdgpu_bo_kmap(gtt_obj[i], >t_map); | |
188 | if (r) { | |
189 | DRM_ERROR("Failed to map GTT object after copy %d\n", i); | |
190 | goto out_lclean_unpin; | |
191 | } | |
192 | ||
6f02a696 | 193 | for (gart_start = gtt_map, gart_end = gtt_map + size, |
d38ceaf9 | 194 | vram_start = vram_map, vram_end = vram_map + size; |
6f02a696 CK |
195 | gart_start < gart_end; |
196 | gart_start++, vram_start++) { | |
197 | if (*gart_start != vram_start) { | |
d38ceaf9 AD |
198 | DRM_ERROR("Incorrect VRAM->GTT copy %d: Got 0x%p, " |
199 | "expected 0x%p (VRAM/GTT offset " | |
200 | "0x%16llx/0x%16llx)\n", | |
6f02a696 | 201 | i, *gart_start, vram_start, |
d38ceaf9 | 202 | (unsigned long long) |
770d13b1 | 203 | (vram_addr - adev->gmc.vram_start + |
d38ceaf9 AD |
204 | (void*)vram_start - vram_map), |
205 | (unsigned long long) | |
770d13b1 | 206 | (gart_addr - adev->gmc.gart_start + |
d38ceaf9 AD |
207 | (void*)vram_start - vram_map)); |
208 | amdgpu_bo_kunmap(gtt_obj[i]); | |
209 | goto out_lclean_unpin; | |
210 | } | |
211 | } | |
212 | ||
213 | amdgpu_bo_kunmap(gtt_obj[i]); | |
214 | ||
215 | DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n", | |
770d13b1 | 216 | gart_addr - adev->gmc.gart_start); |
d38ceaf9 AD |
217 | continue; |
218 | ||
219 | out_lclean_unpin: | |
220 | amdgpu_bo_unpin(gtt_obj[i]); | |
221 | out_lclean_unres: | |
222 | amdgpu_bo_unreserve(gtt_obj[i]); | |
223 | out_lclean_unref: | |
224 | amdgpu_bo_unref(>t_obj[i]); | |
225 | out_lclean: | |
226 | for (--i; i >= 0; --i) { | |
227 | amdgpu_bo_unpin(gtt_obj[i]); | |
228 | amdgpu_bo_unreserve(gtt_obj[i]); | |
229 | amdgpu_bo_unref(>t_obj[i]); | |
230 | } | |
231 | if (fence) | |
f54d1867 | 232 | dma_fence_put(fence); |
d38ceaf9 AD |
233 | break; |
234 | } | |
235 | ||
236 | amdgpu_bo_unpin(vram_obj); | |
237 | out_unres: | |
238 | amdgpu_bo_unreserve(vram_obj); | |
239 | out_unref: | |
240 | amdgpu_bo_unref(&vram_obj); | |
241 | out_cleanup: | |
242 | kfree(gtt_obj); | |
243 | if (r) { | |
7ca85295 | 244 | pr_warn("Error while testing BO move\n"); |
d38ceaf9 AD |
245 | } |
246 | } | |
247 | ||
248 | void amdgpu_test_moves(struct amdgpu_device *adev) | |
249 | { | |
250 | if (adev->mman.buffer_funcs) | |
251 | amdgpu_do_test_moves(adev); | |
252 | } |