File: | dev/pci/drm/amd/amdgpu/amdgpu_test.c |
Warning: | line 196, column 31 Although the value stored to 'vram_end' is used in the enclosing expression, the value is never actually read from 'vram_end' |
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1 | // SPDX-License-Identifier: GPL-2.0 OR MIT |
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 | */ |
25 | |
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((void *)0); |
36 | struct amdgpu_bo **gtt_obj = NULL((void *)0); |
37 | struct amdgpu_bo_param bp; |
38 | uint64_t gart_addr, vram_addr; |
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 | */ |
47 | n = adev->gmc.gart_size - AMDGPU_IB_POOL_SIZE(1024 * 1024); |
48 | for (i = 0; i < AMDGPU_MAX_RINGS28; ++i) |
49 | if (adev->rings[i]) |
50 | n -= adev->rings[i]->ring_size; |
51 | if (adev->wb.wb_obj) |
52 | n -= AMDGPU_GPU_PAGE_SIZE4096; |
53 | if (adev->irq.ih.ring_obj) |
54 | n -= adev->irq.ih.ring_size; |
55 | n /= size; |
56 | |
57 | gtt_obj = kcalloc(n, sizeof(*gtt_obj), GFP_KERNEL(0x0001 | 0x0004)); |
58 | if (!gtt_obj) { |
59 | DRM_ERROR("Failed to allocate %d pointers\n", n)__drm_err("Failed to allocate %d pointers\n", n); |
60 | r = 1; |
61 | goto out_cleanup; |
62 | } |
63 | memset(&bp, 0, sizeof(bp))__builtin_memset((&bp), (0), (sizeof(bp))); |
64 | bp.size = size; |
65 | bp.byte_align = PAGE_SIZE(1 << 12); |
66 | bp.domain = AMDGPU_GEM_DOMAIN_VRAM0x4; |
67 | bp.flags = 0; |
68 | bp.type = ttm_bo_type_kernel; |
69 | bp.resv = NULL((void *)0); |
70 | |
71 | r = amdgpu_bo_create(adev, &bp, &vram_obj); |
72 | if (r) { |
73 | DRM_ERROR("Failed to create VRAM object\n")__drm_err("Failed to create VRAM object\n"); |
74 | goto out_cleanup; |
75 | } |
76 | r = amdgpu_bo_reserve(vram_obj, false0); |
77 | if (unlikely(r != 0)__builtin_expect(!!(r != 0), 0)) |
78 | goto out_unref; |
79 | r = amdgpu_bo_pin(vram_obj, AMDGPU_GEM_DOMAIN_VRAM0x4); |
80 | if (r) { |
81 | DRM_ERROR("Failed to pin VRAM object\n")__drm_err("Failed to pin VRAM object\n"); |
82 | goto out_unres; |
83 | } |
84 | vram_addr = amdgpu_bo_gpu_offset(vram_obj); |
85 | for (i = 0; i < n; i++) { |
86 | void *gtt_map, *vram_map; |
87 | void **gart_start, **gart_end; |
88 | void **vram_start, **vram_end; |
89 | struct dma_fence *fence = NULL((void *)0); |
90 | |
91 | bp.domain = AMDGPU_GEM_DOMAIN_GTT0x2; |
92 | r = amdgpu_bo_create(adev, &bp, gtt_obj + i); |
93 | if (r) { |
94 | DRM_ERROR("Failed to create GTT object %d\n", i)__drm_err("Failed to create GTT object %d\n", i); |
95 | goto out_lclean; |
96 | } |
97 | |
98 | r = amdgpu_bo_reserve(gtt_obj[i], false0); |
99 | if (unlikely(r != 0)__builtin_expect(!!(r != 0), 0)) |
100 | goto out_lclean_unref; |
101 | r = amdgpu_bo_pin(gtt_obj[i], AMDGPU_GEM_DOMAIN_GTT0x2); |
102 | if (r) { |
103 | DRM_ERROR("Failed to pin GTT object %d\n", i)__drm_err("Failed to pin GTT object %d\n", i); |
104 | goto out_lclean_unres; |
105 | } |
106 | r = amdgpu_ttm_alloc_gart(>t_obj[i]->tbo); |
107 | if (r) { |
108 | DRM_ERROR("%p bind failed\n", gtt_obj[i])__drm_err("%p bind failed\n", gtt_obj[i]); |
109 | goto out_lclean_unpin; |
110 | } |
111 | gart_addr = amdgpu_bo_gpu_offset(gtt_obj[i]); |
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)__drm_err("Failed to map GTT object %d\n", i); |
116 | goto out_lclean_unpin; |
117 | } |
118 | |
119 | for (gart_start = gtt_map, gart_end = gtt_map + size; |
120 | gart_start < gart_end; |
121 | gart_start++) |
122 | *gart_start = gart_start; |
123 | |
124 | amdgpu_bo_kunmap(gtt_obj[i]); |
125 | |
126 | r = amdgpu_copy_buffer(ring, gart_addr, vram_addr, |
127 | size, NULL((void *)0), &fence, false0, false0, false0); |
128 | |
129 | if (r) { |
130 | DRM_ERROR("Failed GTT->VRAM copy %d\n", i)__drm_err("Failed GTT->VRAM copy %d\n", i); |
131 | goto out_lclean_unpin; |
132 | } |
133 | |
134 | r = dma_fence_wait(fence, false0); |
135 | if (r) { |
136 | DRM_ERROR("Failed to wait for GTT->VRAM fence %d\n", i)__drm_err("Failed to wait for GTT->VRAM fence %d\n", i); |
137 | goto out_lclean_unpin; |
138 | } |
139 | |
140 | dma_fence_put(fence); |
141 | fence = NULL((void *)0); |
142 | |
143 | r = amdgpu_bo_kmap(vram_obj, &vram_map); |
144 | if (r) { |
145 | DRM_ERROR("Failed to map VRAM object after copy %d\n", i)__drm_err("Failed to map VRAM object after copy %d\n", i); |
146 | goto out_lclean_unpin; |
147 | } |
148 | |
149 | for (gart_start = gtt_map, gart_end = gtt_map + size, |
150 | vram_start = vram_map, vram_end = vram_map + size; |
151 | vram_start < vram_end; |
152 | gart_start++, vram_start++) { |
153 | if (*vram_start != gart_start) { |
154 | DRM_ERROR("Incorrect GTT->VRAM copy %d: Got 0x%p, "__drm_err("Incorrect GTT->VRAM copy %d: Got 0x%p, " "expected 0x%p (GTT/VRAM offset " "0x%16llx/0x%16llx)\n", i, *vram_start, gart_start, (unsigned long long) (gart_addr - adev->gmc.gart_start + (void*)gart_start - gtt_map), (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)gart_start - gtt_map)) |
155 | "expected 0x%p (GTT/VRAM offset "__drm_err("Incorrect GTT->VRAM copy %d: Got 0x%p, " "expected 0x%p (GTT/VRAM offset " "0x%16llx/0x%16llx)\n", i, *vram_start, gart_start, (unsigned long long) (gart_addr - adev->gmc.gart_start + (void*)gart_start - gtt_map), (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)gart_start - gtt_map)) |
156 | "0x%16llx/0x%16llx)\n",__drm_err("Incorrect GTT->VRAM copy %d: Got 0x%p, " "expected 0x%p (GTT/VRAM offset " "0x%16llx/0x%16llx)\n", i, *vram_start, gart_start, (unsigned long long) (gart_addr - adev->gmc.gart_start + (void*)gart_start - gtt_map), (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)gart_start - gtt_map)) |
157 | i, *vram_start, gart_start,__drm_err("Incorrect GTT->VRAM copy %d: Got 0x%p, " "expected 0x%p (GTT/VRAM offset " "0x%16llx/0x%16llx)\n", i, *vram_start, gart_start, (unsigned long long) (gart_addr - adev->gmc.gart_start + (void*)gart_start - gtt_map), (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)gart_start - gtt_map)) |
158 | (unsigned long long)__drm_err("Incorrect GTT->VRAM copy %d: Got 0x%p, " "expected 0x%p (GTT/VRAM offset " "0x%16llx/0x%16llx)\n", i, *vram_start, gart_start, (unsigned long long) (gart_addr - adev->gmc.gart_start + (void*)gart_start - gtt_map), (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)gart_start - gtt_map)) |
159 | (gart_addr - adev->gmc.gart_start +__drm_err("Incorrect GTT->VRAM copy %d: Got 0x%p, " "expected 0x%p (GTT/VRAM offset " "0x%16llx/0x%16llx)\n", i, *vram_start, gart_start, (unsigned long long) (gart_addr - adev->gmc.gart_start + (void*)gart_start - gtt_map), (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)gart_start - gtt_map)) |
160 | (void*)gart_start - gtt_map),__drm_err("Incorrect GTT->VRAM copy %d: Got 0x%p, " "expected 0x%p (GTT/VRAM offset " "0x%16llx/0x%16llx)\n", i, *vram_start, gart_start, (unsigned long long) (gart_addr - adev->gmc.gart_start + (void*)gart_start - gtt_map), (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)gart_start - gtt_map)) |
161 | (unsigned long long)__drm_err("Incorrect GTT->VRAM copy %d: Got 0x%p, " "expected 0x%p (GTT/VRAM offset " "0x%16llx/0x%16llx)\n", i, *vram_start, gart_start, (unsigned long long) (gart_addr - adev->gmc.gart_start + (void*)gart_start - gtt_map), (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)gart_start - gtt_map)) |
162 | (vram_addr - adev->gmc.vram_start +__drm_err("Incorrect GTT->VRAM copy %d: Got 0x%p, " "expected 0x%p (GTT/VRAM offset " "0x%16llx/0x%16llx)\n", i, *vram_start, gart_start, (unsigned long long) (gart_addr - adev->gmc.gart_start + (void*)gart_start - gtt_map), (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)gart_start - gtt_map)) |
163 | (void*)gart_start - gtt_map))__drm_err("Incorrect GTT->VRAM copy %d: Got 0x%p, " "expected 0x%p (GTT/VRAM offset " "0x%16llx/0x%16llx)\n", i, *vram_start, gart_start, (unsigned long long) (gart_addr - adev->gmc.gart_start + (void*)gart_start - gtt_map), (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)gart_start - gtt_map)); |
164 | amdgpu_bo_kunmap(vram_obj); |
165 | goto out_lclean_unpin; |
166 | } |
167 | *vram_start = vram_start; |
168 | } |
169 | |
170 | amdgpu_bo_kunmap(vram_obj); |
171 | |
172 | r = amdgpu_copy_buffer(ring, vram_addr, gart_addr, |
173 | size, NULL((void *)0), &fence, false0, false0, false0); |
174 | |
175 | if (r) { |
176 | DRM_ERROR("Failed VRAM->GTT copy %d\n", i)__drm_err("Failed VRAM->GTT copy %d\n", i); |
177 | goto out_lclean_unpin; |
178 | } |
179 | |
180 | r = dma_fence_wait(fence, false0); |
181 | if (r) { |
182 | DRM_ERROR("Failed to wait for VRAM->GTT fence %d\n", i)__drm_err("Failed to wait for VRAM->GTT fence %d\n", i); |
183 | goto out_lclean_unpin; |
184 | } |
185 | |
186 | dma_fence_put(fence); |
187 | fence = NULL((void *)0); |
188 | |
189 | r = amdgpu_bo_kmap(gtt_obj[i], >t_map); |
190 | if (r) { |
191 | DRM_ERROR("Failed to map GTT object after copy %d\n", i)__drm_err("Failed to map GTT object after copy %d\n", i); |
192 | goto out_lclean_unpin; |
193 | } |
194 | |
195 | for (gart_start = gtt_map, gart_end = gtt_map + size, |
196 | vram_start = vram_map, vram_end = vram_map + size; |
Although the value stored to 'vram_end' is used in the enclosing expression, the value is never actually read from 'vram_end' | |
197 | gart_start < gart_end; |
198 | gart_start++, vram_start++) { |
199 | if (*gart_start != vram_start) { |
200 | DRM_ERROR("Incorrect VRAM->GTT copy %d: Got 0x%p, "__drm_err("Incorrect VRAM->GTT copy %d: Got 0x%p, " "expected 0x%p (VRAM/GTT offset " "0x%16llx/0x%16llx)\n", i, *gart_start, vram_start, (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)vram_start - vram_map), (unsigned long long) (gart_addr - adev->gmc. gart_start + (void*)vram_start - vram_map)) |
201 | "expected 0x%p (VRAM/GTT offset "__drm_err("Incorrect VRAM->GTT copy %d: Got 0x%p, " "expected 0x%p (VRAM/GTT offset " "0x%16llx/0x%16llx)\n", i, *gart_start, vram_start, (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)vram_start - vram_map), (unsigned long long) (gart_addr - adev->gmc. gart_start + (void*)vram_start - vram_map)) |
202 | "0x%16llx/0x%16llx)\n",__drm_err("Incorrect VRAM->GTT copy %d: Got 0x%p, " "expected 0x%p (VRAM/GTT offset " "0x%16llx/0x%16llx)\n", i, *gart_start, vram_start, (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)vram_start - vram_map), (unsigned long long) (gart_addr - adev->gmc. gart_start + (void*)vram_start - vram_map)) |
203 | i, *gart_start, vram_start,__drm_err("Incorrect VRAM->GTT copy %d: Got 0x%p, " "expected 0x%p (VRAM/GTT offset " "0x%16llx/0x%16llx)\n", i, *gart_start, vram_start, (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)vram_start - vram_map), (unsigned long long) (gart_addr - adev->gmc. gart_start + (void*)vram_start - vram_map)) |
204 | (unsigned long long)__drm_err("Incorrect VRAM->GTT copy %d: Got 0x%p, " "expected 0x%p (VRAM/GTT offset " "0x%16llx/0x%16llx)\n", i, *gart_start, vram_start, (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)vram_start - vram_map), (unsigned long long) (gart_addr - adev->gmc. gart_start + (void*)vram_start - vram_map)) |
205 | (vram_addr - adev->gmc.vram_start +__drm_err("Incorrect VRAM->GTT copy %d: Got 0x%p, " "expected 0x%p (VRAM/GTT offset " "0x%16llx/0x%16llx)\n", i, *gart_start, vram_start, (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)vram_start - vram_map), (unsigned long long) (gart_addr - adev->gmc. gart_start + (void*)vram_start - vram_map)) |
206 | (void*)vram_start - vram_map),__drm_err("Incorrect VRAM->GTT copy %d: Got 0x%p, " "expected 0x%p (VRAM/GTT offset " "0x%16llx/0x%16llx)\n", i, *gart_start, vram_start, (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)vram_start - vram_map), (unsigned long long) (gart_addr - adev->gmc. gart_start + (void*)vram_start - vram_map)) |
207 | (unsigned long long)__drm_err("Incorrect VRAM->GTT copy %d: Got 0x%p, " "expected 0x%p (VRAM/GTT offset " "0x%16llx/0x%16llx)\n", i, *gart_start, vram_start, (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)vram_start - vram_map), (unsigned long long) (gart_addr - adev->gmc. gart_start + (void*)vram_start - vram_map)) |
208 | (gart_addr - adev->gmc.gart_start +__drm_err("Incorrect VRAM->GTT copy %d: Got 0x%p, " "expected 0x%p (VRAM/GTT offset " "0x%16llx/0x%16llx)\n", i, *gart_start, vram_start, (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)vram_start - vram_map), (unsigned long long) (gart_addr - adev->gmc. gart_start + (void*)vram_start - vram_map)) |
209 | (void*)vram_start - vram_map))__drm_err("Incorrect VRAM->GTT copy %d: Got 0x%p, " "expected 0x%p (VRAM/GTT offset " "0x%16llx/0x%16llx)\n", i, *gart_start, vram_start, (unsigned long long) (vram_addr - adev->gmc.vram_start + (void*)vram_start - vram_map), (unsigned long long) (gart_addr - adev->gmc. gart_start + (void*)vram_start - vram_map)); |
210 | amdgpu_bo_kunmap(gtt_obj[i]); |
211 | goto out_lclean_unpin; |
212 | } |
213 | } |
214 | |
215 | amdgpu_bo_kunmap(gtt_obj[i]); |
216 | |
217 | DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n",printk("\0016" "[" "drm" "] " "Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n" , gart_addr - adev->gmc.gart_start) |
218 | gart_addr - adev->gmc.gart_start)printk("\0016" "[" "drm" "] " "Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n" , gart_addr - adev->gmc.gart_start); |
219 | continue; |
220 | |
221 | out_lclean_unpin: |
222 | amdgpu_bo_unpin(gtt_obj[i]); |
223 | out_lclean_unres: |
224 | amdgpu_bo_unreserve(gtt_obj[i]); |
225 | out_lclean_unref: |
226 | amdgpu_bo_unref(>t_obj[i]); |
227 | out_lclean: |
228 | for (--i; i >= 0; --i) { |
229 | amdgpu_bo_unpin(gtt_obj[i]); |
230 | amdgpu_bo_unreserve(gtt_obj[i]); |
231 | amdgpu_bo_unref(>t_obj[i]); |
232 | } |
233 | if (fence) |
234 | dma_fence_put(fence); |
235 | break; |
236 | } |
237 | |
238 | amdgpu_bo_unpin(vram_obj); |
239 | out_unres: |
240 | amdgpu_bo_unreserve(vram_obj); |
241 | out_unref: |
242 | amdgpu_bo_unref(&vram_obj); |
243 | out_cleanup: |
244 | kfree(gtt_obj); |
245 | if (r) { |
246 | pr_warn("Error while testing BO move\n")printk("\0014" "amdgpu: " "Error while testing BO move\n"); |
247 | } |
248 | } |
249 | |
250 | void amdgpu_test_moves(struct amdgpu_device *adev) |
251 | { |
252 | if (adev->mman.buffer_funcs) |
253 | amdgpu_do_test_moves(adev); |
254 | } |