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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/amdgpu_drm.h> | |
26 | #include "amdgpu.h" | |
27 | #include "amdgpu_uvd.h" | |
28 | #include "amdgpu_vce.h" | |
29 | ||
30 | /* Test BO GTT->VRAM and VRAM->GTT GPU copies across the whole GTT aperture */ | |
31 | static void amdgpu_do_test_moves(struct amdgpu_device *adev) | |
32 | { | |
33 | struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; | |
34 | struct amdgpu_bo *vram_obj = NULL; | |
35 | struct amdgpu_bo **gtt_obj = NULL; | |
36 | uint64_t gtt_addr, vram_addr; | |
37 | unsigned n, size; | |
38 | int i, r; | |
39 | ||
40 | size = 1024 * 1024; | |
41 | ||
42 | /* Number of tests = | |
43 | * (Total GTT - IB pool - writeback page - ring buffers) / test size | |
44 | */ | |
45 | n = adev->mc.gtt_size - AMDGPU_IB_POOL_SIZE*64*1024; | |
46 | for (i = 0; i < AMDGPU_MAX_RINGS; ++i) | |
47 | if (adev->rings[i]) | |
48 | n -= adev->rings[i]->ring_size; | |
49 | if (adev->wb.wb_obj) | |
50 | n -= AMDGPU_GPU_PAGE_SIZE; | |
51 | if (adev->irq.ih.ring_obj) | |
52 | n -= adev->irq.ih.ring_size; | |
53 | n /= size; | |
54 | ||
55 | gtt_obj = kzalloc(n * sizeof(*gtt_obj), GFP_KERNEL); | |
56 | if (!gtt_obj) { | |
57 | DRM_ERROR("Failed to allocate %d pointers\n", n); | |
58 | r = 1; | |
59 | goto out_cleanup; | |
60 | } | |
61 | ||
62 | r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, 0, | |
63 | NULL, &vram_obj); | |
64 | if (r) { | |
65 | DRM_ERROR("Failed to create VRAM object\n"); | |
66 | goto out_cleanup; | |
67 | } | |
68 | r = amdgpu_bo_reserve(vram_obj, false); | |
69 | if (unlikely(r != 0)) | |
70 | goto out_unref; | |
71 | r = amdgpu_bo_pin(vram_obj, AMDGPU_GEM_DOMAIN_VRAM, &vram_addr); | |
72 | if (r) { | |
73 | DRM_ERROR("Failed to pin VRAM object\n"); | |
74 | goto out_unres; | |
75 | } | |
76 | for (i = 0; i < n; i++) { | |
77 | void *gtt_map, *vram_map; | |
78 | void **gtt_start, **gtt_end; | |
79 | void **vram_start, **vram_end; | |
80 | struct amdgpu_fence *fence = NULL; | |
81 | ||
82 | r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, | |
83 | AMDGPU_GEM_DOMAIN_GTT, 0, NULL, gtt_obj + i); | |
84 | if (r) { | |
85 | DRM_ERROR("Failed to create GTT object %d\n", i); | |
86 | goto out_lclean; | |
87 | } | |
88 | ||
89 | r = amdgpu_bo_reserve(gtt_obj[i], false); | |
90 | if (unlikely(r != 0)) | |
91 | goto out_lclean_unref; | |
92 | r = amdgpu_bo_pin(gtt_obj[i], AMDGPU_GEM_DOMAIN_GTT, >t_addr); | |
93 | if (r) { | |
94 | DRM_ERROR("Failed to pin GTT object %d\n", i); | |
95 | goto out_lclean_unres; | |
96 | } | |
97 | ||
98 | r = amdgpu_bo_kmap(gtt_obj[i], >t_map); | |
99 | if (r) { | |
100 | DRM_ERROR("Failed to map GTT object %d\n", i); | |
101 | goto out_lclean_unpin; | |
102 | } | |
103 | ||
104 | for (gtt_start = gtt_map, gtt_end = gtt_map + size; | |
105 | gtt_start < gtt_end; | |
106 | gtt_start++) | |
107 | *gtt_start = gtt_start; | |
108 | ||
109 | amdgpu_bo_kunmap(gtt_obj[i]); | |
110 | ||
111 | r = amdgpu_copy_buffer(ring, gtt_addr, vram_addr, | |
112 | size, NULL, &fence); | |
113 | ||
114 | if (r) { | |
115 | DRM_ERROR("Failed GTT->VRAM copy %d\n", i); | |
116 | goto out_lclean_unpin; | |
117 | } | |
118 | ||
119 | r = amdgpu_fence_wait(fence, false); | |
120 | if (r) { | |
121 | DRM_ERROR("Failed to wait for GTT->VRAM fence %d\n", i); | |
122 | goto out_lclean_unpin; | |
123 | } | |
124 | ||
125 | amdgpu_fence_unref(&fence); | |
126 | ||
127 | r = amdgpu_bo_kmap(vram_obj, &vram_map); | |
128 | if (r) { | |
129 | DRM_ERROR("Failed to map VRAM object after copy %d\n", i); | |
130 | goto out_lclean_unpin; | |
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/VRAM offset " | |
140 | "0x%16llx/0x%16llx)\n", | |
141 | i, *vram_start, gtt_start, | |
142 | (unsigned long long) | |
143 | (gtt_addr - adev->mc.gtt_start + | |
144 | (void*)gtt_start - gtt_map), | |
145 | (unsigned long long) | |
146 | (vram_addr - adev->mc.vram_start + | |
147 | (void*)gtt_start - gtt_map)); | |
148 | amdgpu_bo_kunmap(vram_obj); | |
149 | goto out_lclean_unpin; | |
150 | } | |
151 | *vram_start = vram_start; | |
152 | } | |
153 | ||
154 | amdgpu_bo_kunmap(vram_obj); | |
155 | ||
156 | r = amdgpu_copy_buffer(ring, vram_addr, gtt_addr, | |
157 | size, NULL, &fence); | |
158 | ||
159 | if (r) { | |
160 | DRM_ERROR("Failed VRAM->GTT copy %d\n", i); | |
161 | goto out_lclean_unpin; | |
162 | } | |
163 | ||
164 | r = amdgpu_fence_wait(fence, false); | |
165 | if (r) { | |
166 | DRM_ERROR("Failed to wait for VRAM->GTT fence %d\n", i); | |
167 | goto out_lclean_unpin; | |
168 | } | |
169 | ||
170 | amdgpu_fence_unref(&fence); | |
171 | ||
172 | r = amdgpu_bo_kmap(gtt_obj[i], >t_map); | |
173 | if (r) { | |
174 | DRM_ERROR("Failed to map GTT object after copy %d\n", i); | |
175 | goto out_lclean_unpin; | |
176 | } | |
177 | ||
178 | for (gtt_start = gtt_map, gtt_end = gtt_map + size, | |
179 | vram_start = vram_map, vram_end = vram_map + size; | |
180 | gtt_start < gtt_end; | |
181 | gtt_start++, vram_start++) { | |
182 | if (*gtt_start != vram_start) { | |
183 | DRM_ERROR("Incorrect VRAM->GTT copy %d: Got 0x%p, " | |
184 | "expected 0x%p (VRAM/GTT offset " | |
185 | "0x%16llx/0x%16llx)\n", | |
186 | i, *gtt_start, vram_start, | |
187 | (unsigned long long) | |
188 | (vram_addr - adev->mc.vram_start + | |
189 | (void*)vram_start - vram_map), | |
190 | (unsigned long long) | |
191 | (gtt_addr - adev->mc.gtt_start + | |
192 | (void*)vram_start - vram_map)); | |
193 | amdgpu_bo_kunmap(gtt_obj[i]); | |
194 | goto out_lclean_unpin; | |
195 | } | |
196 | } | |
197 | ||
198 | amdgpu_bo_kunmap(gtt_obj[i]); | |
199 | ||
200 | DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n", | |
201 | gtt_addr - adev->mc.gtt_start); | |
202 | continue; | |
203 | ||
204 | out_lclean_unpin: | |
205 | amdgpu_bo_unpin(gtt_obj[i]); | |
206 | out_lclean_unres: | |
207 | amdgpu_bo_unreserve(gtt_obj[i]); | |
208 | out_lclean_unref: | |
209 | amdgpu_bo_unref(>t_obj[i]); | |
210 | out_lclean: | |
211 | for (--i; i >= 0; --i) { | |
212 | amdgpu_bo_unpin(gtt_obj[i]); | |
213 | amdgpu_bo_unreserve(gtt_obj[i]); | |
214 | amdgpu_bo_unref(>t_obj[i]); | |
215 | } | |
216 | if (fence) | |
217 | amdgpu_fence_unref(&fence); | |
218 | break; | |
219 | } | |
220 | ||
221 | amdgpu_bo_unpin(vram_obj); | |
222 | out_unres: | |
223 | amdgpu_bo_unreserve(vram_obj); | |
224 | out_unref: | |
225 | amdgpu_bo_unref(&vram_obj); | |
226 | out_cleanup: | |
227 | kfree(gtt_obj); | |
228 | if (r) { | |
229 | printk(KERN_WARNING "Error while testing BO move.\n"); | |
230 | } | |
231 | } | |
232 | ||
233 | void amdgpu_test_moves(struct amdgpu_device *adev) | |
234 | { | |
235 | if (adev->mman.buffer_funcs) | |
236 | amdgpu_do_test_moves(adev); | |
237 | } | |
238 | ||
239 | static int amdgpu_test_create_and_emit_fence(struct amdgpu_device *adev, | |
240 | struct amdgpu_ring *ring, | |
241 | struct amdgpu_fence **fence) | |
242 | { | |
243 | uint32_t handle = ring->idx ^ 0xdeafbeef; | |
244 | int r; | |
245 | ||
246 | if (ring == &adev->uvd.ring) { | |
247 | r = amdgpu_uvd_get_create_msg(ring, handle, NULL); | |
248 | if (r) { | |
249 | DRM_ERROR("Failed to get dummy create msg\n"); | |
250 | return r; | |
251 | } | |
252 | ||
253 | r = amdgpu_uvd_get_destroy_msg(ring, handle, fence); | |
254 | if (r) { | |
255 | DRM_ERROR("Failed to get dummy destroy msg\n"); | |
256 | return r; | |
257 | } | |
258 | ||
259 | } else if (ring == &adev->vce.ring[0] || | |
260 | ring == &adev->vce.ring[1]) { | |
261 | r = amdgpu_vce_get_create_msg(ring, handle, NULL); | |
262 | if (r) { | |
263 | DRM_ERROR("Failed to get dummy create msg\n"); | |
264 | return r; | |
265 | } | |
266 | ||
267 | r = amdgpu_vce_get_destroy_msg(ring, handle, fence); | |
268 | if (r) { | |
269 | DRM_ERROR("Failed to get dummy destroy msg\n"); | |
270 | return r; | |
271 | } | |
272 | ||
273 | } else { | |
274 | r = amdgpu_ring_lock(ring, 64); | |
275 | if (r) { | |
276 | DRM_ERROR("Failed to lock ring A %d\n", ring->idx); | |
277 | return r; | |
278 | } | |
279 | amdgpu_fence_emit(ring, AMDGPU_FENCE_OWNER_UNDEFINED, fence); | |
280 | amdgpu_ring_unlock_commit(ring); | |
281 | } | |
282 | return 0; | |
283 | } | |
284 | ||
285 | void amdgpu_test_ring_sync(struct amdgpu_device *adev, | |
286 | struct amdgpu_ring *ringA, | |
287 | struct amdgpu_ring *ringB) | |
288 | { | |
289 | struct amdgpu_fence *fence1 = NULL, *fence2 = NULL; | |
290 | struct amdgpu_semaphore *semaphore = NULL; | |
291 | int r; | |
292 | ||
293 | r = amdgpu_semaphore_create(adev, &semaphore); | |
294 | if (r) { | |
295 | DRM_ERROR("Failed to create semaphore\n"); | |
296 | goto out_cleanup; | |
297 | } | |
298 | ||
299 | r = amdgpu_ring_lock(ringA, 64); | |
300 | if (r) { | |
301 | DRM_ERROR("Failed to lock ring A %d\n", ringA->idx); | |
302 | goto out_cleanup; | |
303 | } | |
304 | amdgpu_semaphore_emit_wait(ringA, semaphore); | |
305 | amdgpu_ring_unlock_commit(ringA); | |
306 | ||
307 | r = amdgpu_test_create_and_emit_fence(adev, ringA, &fence1); | |
308 | if (r) | |
309 | goto out_cleanup; | |
310 | ||
311 | r = amdgpu_ring_lock(ringA, 64); | |
312 | if (r) { | |
313 | DRM_ERROR("Failed to lock ring A %d\n", ringA->idx); | |
314 | goto out_cleanup; | |
315 | } | |
316 | amdgpu_semaphore_emit_wait(ringA, semaphore); | |
317 | amdgpu_ring_unlock_commit(ringA); | |
318 | ||
319 | r = amdgpu_test_create_and_emit_fence(adev, ringA, &fence2); | |
320 | if (r) | |
321 | goto out_cleanup; | |
322 | ||
323 | mdelay(1000); | |
324 | ||
325 | if (amdgpu_fence_signaled(fence1)) { | |
326 | DRM_ERROR("Fence 1 signaled without waiting for semaphore.\n"); | |
327 | goto out_cleanup; | |
328 | } | |
329 | ||
330 | r = amdgpu_ring_lock(ringB, 64); | |
331 | if (r) { | |
332 | DRM_ERROR("Failed to lock ring B %p\n", ringB); | |
333 | goto out_cleanup; | |
334 | } | |
335 | amdgpu_semaphore_emit_signal(ringB, semaphore); | |
336 | amdgpu_ring_unlock_commit(ringB); | |
337 | ||
338 | r = amdgpu_fence_wait(fence1, false); | |
339 | if (r) { | |
340 | DRM_ERROR("Failed to wait for sync fence 1\n"); | |
341 | goto out_cleanup; | |
342 | } | |
343 | ||
344 | mdelay(1000); | |
345 | ||
346 | if (amdgpu_fence_signaled(fence2)) { | |
347 | DRM_ERROR("Fence 2 signaled without waiting for semaphore.\n"); | |
348 | goto out_cleanup; | |
349 | } | |
350 | ||
351 | r = amdgpu_ring_lock(ringB, 64); | |
352 | if (r) { | |
353 | DRM_ERROR("Failed to lock ring B %p\n", ringB); | |
354 | goto out_cleanup; | |
355 | } | |
356 | amdgpu_semaphore_emit_signal(ringB, semaphore); | |
357 | amdgpu_ring_unlock_commit(ringB); | |
358 | ||
359 | r = amdgpu_fence_wait(fence2, false); | |
360 | if (r) { | |
361 | DRM_ERROR("Failed to wait for sync fence 1\n"); | |
362 | goto out_cleanup; | |
363 | } | |
364 | ||
365 | out_cleanup: | |
366 | amdgpu_semaphore_free(adev, &semaphore, NULL); | |
367 | ||
368 | if (fence1) | |
369 | amdgpu_fence_unref(&fence1); | |
370 | ||
371 | if (fence2) | |
372 | amdgpu_fence_unref(&fence2); | |
373 | ||
374 | if (r) | |
375 | printk(KERN_WARNING "Error while testing ring sync (%d).\n", r); | |
376 | } | |
377 | ||
378 | static void amdgpu_test_ring_sync2(struct amdgpu_device *adev, | |
379 | struct amdgpu_ring *ringA, | |
380 | struct amdgpu_ring *ringB, | |
381 | struct amdgpu_ring *ringC) | |
382 | { | |
383 | struct amdgpu_fence *fenceA = NULL, *fenceB = NULL; | |
384 | struct amdgpu_semaphore *semaphore = NULL; | |
385 | bool sigA, sigB; | |
386 | int i, r; | |
387 | ||
388 | r = amdgpu_semaphore_create(adev, &semaphore); | |
389 | if (r) { | |
390 | DRM_ERROR("Failed to create semaphore\n"); | |
391 | goto out_cleanup; | |
392 | } | |
393 | ||
394 | r = amdgpu_ring_lock(ringA, 64); | |
395 | if (r) { | |
396 | DRM_ERROR("Failed to lock ring A %d\n", ringA->idx); | |
397 | goto out_cleanup; | |
398 | } | |
399 | amdgpu_semaphore_emit_wait(ringA, semaphore); | |
400 | amdgpu_ring_unlock_commit(ringA); | |
401 | ||
402 | r = amdgpu_test_create_and_emit_fence(adev, ringA, &fenceA); | |
403 | if (r) | |
404 | goto out_cleanup; | |
405 | ||
406 | r = amdgpu_ring_lock(ringB, 64); | |
407 | if (r) { | |
408 | DRM_ERROR("Failed to lock ring B %d\n", ringB->idx); | |
409 | goto out_cleanup; | |
410 | } | |
411 | amdgpu_semaphore_emit_wait(ringB, semaphore); | |
412 | amdgpu_ring_unlock_commit(ringB); | |
413 | r = amdgpu_test_create_and_emit_fence(adev, ringB, &fenceB); | |
414 | if (r) | |
415 | goto out_cleanup; | |
416 | ||
417 | mdelay(1000); | |
418 | ||
419 | if (amdgpu_fence_signaled(fenceA)) { | |
420 | DRM_ERROR("Fence A signaled without waiting for semaphore.\n"); | |
421 | goto out_cleanup; | |
422 | } | |
423 | if (amdgpu_fence_signaled(fenceB)) { | |
424 | DRM_ERROR("Fence B signaled without waiting for semaphore.\n"); | |
425 | goto out_cleanup; | |
426 | } | |
427 | ||
428 | r = amdgpu_ring_lock(ringC, 64); | |
429 | if (r) { | |
430 | DRM_ERROR("Failed to lock ring B %p\n", ringC); | |
431 | goto out_cleanup; | |
432 | } | |
433 | amdgpu_semaphore_emit_signal(ringC, semaphore); | |
434 | amdgpu_ring_unlock_commit(ringC); | |
435 | ||
436 | for (i = 0; i < 30; ++i) { | |
437 | mdelay(100); | |
438 | sigA = amdgpu_fence_signaled(fenceA); | |
439 | sigB = amdgpu_fence_signaled(fenceB); | |
440 | if (sigA || sigB) | |
441 | break; | |
442 | } | |
443 | ||
444 | if (!sigA && !sigB) { | |
445 | DRM_ERROR("Neither fence A nor B has been signaled\n"); | |
446 | goto out_cleanup; | |
447 | } else if (sigA && sigB) { | |
448 | DRM_ERROR("Both fence A and B has been signaled\n"); | |
449 | goto out_cleanup; | |
450 | } | |
451 | ||
452 | DRM_INFO("Fence %c was first signaled\n", sigA ? 'A' : 'B'); | |
453 | ||
454 | r = amdgpu_ring_lock(ringC, 64); | |
455 | if (r) { | |
456 | DRM_ERROR("Failed to lock ring B %p\n", ringC); | |
457 | goto out_cleanup; | |
458 | } | |
459 | amdgpu_semaphore_emit_signal(ringC, semaphore); | |
460 | amdgpu_ring_unlock_commit(ringC); | |
461 | ||
462 | mdelay(1000); | |
463 | ||
464 | r = amdgpu_fence_wait(fenceA, false); | |
465 | if (r) { | |
466 | DRM_ERROR("Failed to wait for sync fence A\n"); | |
467 | goto out_cleanup; | |
468 | } | |
469 | r = amdgpu_fence_wait(fenceB, false); | |
470 | if (r) { | |
471 | DRM_ERROR("Failed to wait for sync fence B\n"); | |
472 | goto out_cleanup; | |
473 | } | |
474 | ||
475 | out_cleanup: | |
476 | amdgpu_semaphore_free(adev, &semaphore, NULL); | |
477 | ||
478 | if (fenceA) | |
479 | amdgpu_fence_unref(&fenceA); | |
480 | ||
481 | if (fenceB) | |
482 | amdgpu_fence_unref(&fenceB); | |
483 | ||
484 | if (r) | |
485 | printk(KERN_WARNING "Error while testing ring sync (%d).\n", r); | |
486 | } | |
487 | ||
488 | static bool amdgpu_test_sync_possible(struct amdgpu_ring *ringA, | |
489 | struct amdgpu_ring *ringB) | |
490 | { | |
491 | if (ringA == &ringA->adev->vce.ring[0] && | |
492 | ringB == &ringB->adev->vce.ring[1]) | |
493 | return false; | |
494 | ||
495 | return true; | |
496 | } | |
497 | ||
498 | void amdgpu_test_syncing(struct amdgpu_device *adev) | |
499 | { | |
500 | int i, j, k; | |
501 | ||
502 | for (i = 1; i < AMDGPU_MAX_RINGS; ++i) { | |
503 | struct amdgpu_ring *ringA = adev->rings[i]; | |
504 | if (!ringA || !ringA->ready) | |
505 | continue; | |
506 | ||
507 | for (j = 0; j < i; ++j) { | |
508 | struct amdgpu_ring *ringB = adev->rings[j]; | |
509 | if (!ringB || !ringB->ready) | |
510 | continue; | |
511 | ||
512 | if (!amdgpu_test_sync_possible(ringA, ringB)) | |
513 | continue; | |
514 | ||
515 | DRM_INFO("Testing syncing between rings %d and %d...\n", i, j); | |
516 | amdgpu_test_ring_sync(adev, ringA, ringB); | |
517 | ||
518 | DRM_INFO("Testing syncing between rings %d and %d...\n", j, i); | |
519 | amdgpu_test_ring_sync(adev, ringB, ringA); | |
520 | ||
521 | for (k = 0; k < j; ++k) { | |
522 | struct amdgpu_ring *ringC = adev->rings[k]; | |
523 | if (!ringC || !ringC->ready) | |
524 | continue; | |
525 | ||
526 | if (!amdgpu_test_sync_possible(ringA, ringC)) | |
527 | continue; | |
528 | ||
529 | if (!amdgpu_test_sync_possible(ringB, ringC)) | |
530 | continue; | |
531 | ||
532 | DRM_INFO("Testing syncing between rings %d, %d and %d...\n", i, j, k); | |
533 | amdgpu_test_ring_sync2(adev, ringA, ringB, ringC); | |
534 | ||
535 | DRM_INFO("Testing syncing between rings %d, %d and %d...\n", i, k, j); | |
536 | amdgpu_test_ring_sync2(adev, ringA, ringC, ringB); | |
537 | ||
538 | DRM_INFO("Testing syncing between rings %d, %d and %d...\n", j, i, k); | |
539 | amdgpu_test_ring_sync2(adev, ringB, ringA, ringC); | |
540 | ||
541 | DRM_INFO("Testing syncing between rings %d, %d and %d...\n", j, k, i); | |
542 | amdgpu_test_ring_sync2(adev, ringB, ringC, ringA); | |
543 | ||
544 | DRM_INFO("Testing syncing between rings %d, %d and %d...\n", k, i, j); | |
545 | amdgpu_test_ring_sync2(adev, ringC, ringA, ringB); | |
546 | ||
547 | DRM_INFO("Testing syncing between rings %d, %d and %d...\n", k, j, i); | |
548 | amdgpu_test_ring_sync2(adev, ringC, ringB, ringA); | |
549 | } | |
550 | } | |
551 | } | |
552 | } |