Line data Source code
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 <dev/pci/drm/drmP.h>
25 : #include <dev/pci/drm/radeon_drm.h>
26 : #include "radeon_reg.h"
27 : #include "radeon.h"
28 :
29 : #define RADEON_TEST_COPY_BLIT 1
30 : #define RADEON_TEST_COPY_DMA 0
31 :
32 :
33 : /* Test BO GTT->VRAM and VRAM->GTT GPU copies across the whole GTT aperture */
34 0 : static void radeon_do_test_moves(struct radeon_device *rdev, int flag)
35 : {
36 0 : struct radeon_bo *vram_obj = NULL;
37 : struct radeon_bo **gtt_obj = NULL;
38 0 : uint64_t gtt_addr, vram_addr;
39 : unsigned n, size;
40 : int i, r, ring;
41 :
42 0 : switch (flag) {
43 : case RADEON_TEST_COPY_DMA:
44 0 : ring = radeon_copy_dma_ring_index(rdev);
45 0 : break;
46 : case RADEON_TEST_COPY_BLIT:
47 0 : ring = radeon_copy_blit_ring_index(rdev);
48 0 : break;
49 : default:
50 0 : DRM_ERROR("Unknown copy method\n");
51 0 : return;
52 : }
53 :
54 : size = 1024 * 1024;
55 :
56 : /* Number of tests =
57 : * (Total GTT - IB pool - writeback page - ring buffers) / test size
58 : */
59 0 : n = rdev->mc.gtt_size - rdev->gart_pin_size;
60 0 : n /= size;
61 :
62 0 : gtt_obj = kzalloc(n * sizeof(*gtt_obj), GFP_KERNEL);
63 0 : if (!gtt_obj) {
64 0 : DRM_ERROR("Failed to allocate %d pointers\n", n);
65 : r = 1;
66 0 : goto out_cleanup;
67 : }
68 :
69 0 : r = radeon_bo_create(rdev, size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
70 : 0, NULL, NULL, &vram_obj);
71 0 : if (r) {
72 0 : DRM_ERROR("Failed to create VRAM object\n");
73 0 : goto out_cleanup;
74 : }
75 0 : r = radeon_bo_reserve(vram_obj, false);
76 0 : if (unlikely(r != 0))
77 : goto out_unref;
78 0 : r = radeon_bo_pin(vram_obj, RADEON_GEM_DOMAIN_VRAM, &vram_addr);
79 0 : if (r) {
80 0 : DRM_ERROR("Failed to pin VRAM object\n");
81 0 : goto out_unres;
82 : }
83 0 : for (i = 0; i < n; i++) {
84 0 : void *gtt_map, *vram_map;
85 : void **gtt_start, **gtt_end;
86 : void **vram_start, **vram_end;
87 0 : struct radeon_fence *fence = NULL;
88 :
89 0 : r = radeon_bo_create(rdev, size, PAGE_SIZE, true,
90 : RADEON_GEM_DOMAIN_GTT, 0, NULL, NULL,
91 0 : gtt_obj + i);
92 0 : if (r) {
93 0 : DRM_ERROR("Failed to create GTT object %d\n", i);
94 0 : goto out_lclean;
95 : }
96 :
97 0 : r = radeon_bo_reserve(gtt_obj[i], false);
98 0 : if (unlikely(r != 0))
99 : goto out_lclean_unref;
100 0 : r = radeon_bo_pin(gtt_obj[i], RADEON_GEM_DOMAIN_GTT, >t_addr);
101 0 : if (r) {
102 0 : DRM_ERROR("Failed to pin GTT object %d\n", i);
103 0 : goto out_lclean_unres;
104 : }
105 :
106 0 : r = radeon_bo_kmap(gtt_obj[i], >t_map);
107 0 : if (r) {
108 0 : DRM_ERROR("Failed to map GTT object %d\n", i);
109 0 : goto out_lclean_unpin;
110 : }
111 :
112 0 : for (gtt_start = gtt_map, gtt_end = gtt_map + size;
113 0 : gtt_start < gtt_end;
114 0 : gtt_start++)
115 0 : *gtt_start = gtt_start;
116 :
117 0 : radeon_bo_kunmap(gtt_obj[i]);
118 :
119 0 : if (ring == R600_RING_TYPE_DMA_INDEX)
120 0 : fence = radeon_copy_dma(rdev, gtt_addr, vram_addr,
121 : size / RADEON_GPU_PAGE_SIZE,
122 : vram_obj->tbo.resv);
123 : else
124 0 : fence = radeon_copy_blit(rdev, gtt_addr, vram_addr,
125 : size / RADEON_GPU_PAGE_SIZE,
126 : vram_obj->tbo.resv);
127 0 : if (IS_ERR(fence)) {
128 0 : DRM_ERROR("Failed GTT->VRAM copy %d\n", i);
129 0 : r = PTR_ERR(fence);
130 0 : goto out_lclean_unpin;
131 : }
132 :
133 0 : r = radeon_fence_wait(fence, false);
134 0 : if (r) {
135 0 : DRM_ERROR("Failed to wait for GTT->VRAM fence %d\n", i);
136 0 : goto out_lclean_unpin;
137 : }
138 :
139 0 : radeon_fence_unref(&fence);
140 :
141 0 : r = radeon_bo_kmap(vram_obj, &vram_map);
142 0 : if (r) {
143 0 : DRM_ERROR("Failed to map VRAM object after copy %d\n", i);
144 0 : goto out_lclean_unpin;
145 : }
146 :
147 0 : for (gtt_start = gtt_map, gtt_end = gtt_map + size,
148 0 : vram_start = vram_map, vram_end = vram_map + size;
149 0 : vram_start < vram_end;
150 0 : gtt_start++, vram_start++) {
151 0 : if (*vram_start != gtt_start) {
152 0 : DRM_ERROR("Incorrect GTT->VRAM copy %d: Got 0x%p, "
153 : "expected 0x%p (GTT/VRAM offset "
154 : "0x%16llx/0x%16llx)\n",
155 : i, *vram_start, gtt_start,
156 : (unsigned long long)
157 : (gtt_addr - rdev->mc.gtt_start +
158 : (void*)gtt_start - gtt_map),
159 : (unsigned long long)
160 : (vram_addr - rdev->mc.vram_start +
161 : (void*)gtt_start - gtt_map));
162 0 : radeon_bo_kunmap(vram_obj);
163 0 : goto out_lclean_unpin;
164 : }
165 0 : *vram_start = vram_start;
166 : }
167 :
168 0 : radeon_bo_kunmap(vram_obj);
169 :
170 0 : if (ring == R600_RING_TYPE_DMA_INDEX)
171 0 : fence = radeon_copy_dma(rdev, vram_addr, gtt_addr,
172 : size / RADEON_GPU_PAGE_SIZE,
173 : vram_obj->tbo.resv);
174 : else
175 0 : fence = radeon_copy_blit(rdev, vram_addr, gtt_addr,
176 : size / RADEON_GPU_PAGE_SIZE,
177 : vram_obj->tbo.resv);
178 0 : if (IS_ERR(fence)) {
179 0 : DRM_ERROR("Failed VRAM->GTT copy %d\n", i);
180 0 : r = PTR_ERR(fence);
181 0 : goto out_lclean_unpin;
182 : }
183 :
184 0 : r = radeon_fence_wait(fence, false);
185 0 : if (r) {
186 0 : DRM_ERROR("Failed to wait for VRAM->GTT fence %d\n", i);
187 0 : goto out_lclean_unpin;
188 : }
189 :
190 0 : radeon_fence_unref(&fence);
191 :
192 0 : r = radeon_bo_kmap(gtt_obj[i], >t_map);
193 0 : if (r) {
194 0 : DRM_ERROR("Failed to map GTT object after copy %d\n", i);
195 0 : goto out_lclean_unpin;
196 : }
197 :
198 0 : for (gtt_start = gtt_map, gtt_end = gtt_map + size,
199 0 : vram_start = vram_map, vram_end = vram_map + size;
200 0 : gtt_start < gtt_end;
201 0 : gtt_start++, vram_start++) {
202 0 : if (*gtt_start != vram_start) {
203 0 : DRM_ERROR("Incorrect VRAM->GTT copy %d: Got 0x%p, "
204 : "expected 0x%p (VRAM/GTT offset "
205 : "0x%16llx/0x%16llx)\n",
206 : i, *gtt_start, vram_start,
207 : (unsigned long long)
208 : (vram_addr - rdev->mc.vram_start +
209 : (void*)vram_start - vram_map),
210 : (unsigned long long)
211 : (gtt_addr - rdev->mc.gtt_start +
212 : (void*)vram_start - vram_map));
213 0 : radeon_bo_kunmap(gtt_obj[i]);
214 0 : goto out_lclean_unpin;
215 : }
216 : }
217 :
218 0 : radeon_bo_kunmap(gtt_obj[i]);
219 :
220 : DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n",
221 : gtt_addr - rdev->mc.gtt_start);
222 0 : continue;
223 :
224 : out_lclean_unpin:
225 0 : radeon_bo_unpin(gtt_obj[i]);
226 : out_lclean_unres:
227 0 : radeon_bo_unreserve(gtt_obj[i]);
228 : out_lclean_unref:
229 0 : radeon_bo_unref(>t_obj[i]);
230 : out_lclean:
231 0 : for (--i; i >= 0; --i) {
232 0 : radeon_bo_unpin(gtt_obj[i]);
233 0 : radeon_bo_unreserve(gtt_obj[i]);
234 0 : radeon_bo_unref(>t_obj[i]);
235 : }
236 0 : if (fence && !IS_ERR(fence))
237 0 : radeon_fence_unref(&fence);
238 0 : break;
239 0 : }
240 :
241 0 : radeon_bo_unpin(vram_obj);
242 : out_unres:
243 0 : radeon_bo_unreserve(vram_obj);
244 : out_unref:
245 0 : radeon_bo_unref(&vram_obj);
246 : out_cleanup:
247 0 : kfree(gtt_obj);
248 0 : if (r) {
249 0 : printk(KERN_WARNING "Error while testing BO move.\n");
250 0 : }
251 0 : }
252 :
253 0 : void radeon_test_moves(struct radeon_device *rdev)
254 : {
255 0 : if (rdev->asic->copy.dma)
256 0 : radeon_do_test_moves(rdev, RADEON_TEST_COPY_DMA);
257 0 : if (rdev->asic->copy.blit)
258 0 : radeon_do_test_moves(rdev, RADEON_TEST_COPY_BLIT);
259 0 : }
260 :
261 0 : static int radeon_test_create_and_emit_fence(struct radeon_device *rdev,
262 : struct radeon_ring *ring,
263 : struct radeon_fence **fence)
264 : {
265 0 : uint32_t handle = ring->idx ^ 0xdeafbeef;
266 : int r;
267 :
268 0 : if (ring->idx == R600_RING_TYPE_UVD_INDEX) {
269 0 : r = radeon_uvd_get_create_msg(rdev, ring->idx, handle, NULL);
270 0 : if (r) {
271 0 : DRM_ERROR("Failed to get dummy create msg\n");
272 0 : return r;
273 : }
274 :
275 0 : r = radeon_uvd_get_destroy_msg(rdev, ring->idx, handle, fence);
276 0 : if (r) {
277 0 : DRM_ERROR("Failed to get dummy destroy msg\n");
278 0 : return r;
279 : }
280 :
281 0 : } else if (ring->idx == TN_RING_TYPE_VCE1_INDEX ||
282 0 : ring->idx == TN_RING_TYPE_VCE2_INDEX) {
283 0 : r = radeon_vce_get_create_msg(rdev, ring->idx, handle, NULL);
284 0 : if (r) {
285 0 : DRM_ERROR("Failed to get dummy create msg\n");
286 0 : return r;
287 : }
288 :
289 0 : r = radeon_vce_get_destroy_msg(rdev, ring->idx, handle, fence);
290 0 : if (r) {
291 0 : DRM_ERROR("Failed to get dummy destroy msg\n");
292 0 : return r;
293 : }
294 :
295 : } else {
296 0 : r = radeon_ring_lock(rdev, ring, 64);
297 0 : if (r) {
298 0 : DRM_ERROR("Failed to lock ring A %d\n", ring->idx);
299 0 : return r;
300 : }
301 0 : radeon_fence_emit(rdev, fence, ring->idx);
302 0 : radeon_ring_unlock_commit(rdev, ring, false);
303 : }
304 0 : return 0;
305 0 : }
306 :
307 0 : void radeon_test_ring_sync(struct radeon_device *rdev,
308 : struct radeon_ring *ringA,
309 : struct radeon_ring *ringB)
310 : {
311 0 : struct radeon_fence *fence1 = NULL, *fence2 = NULL;
312 0 : struct radeon_semaphore *semaphore = NULL;
313 : int r;
314 :
315 0 : r = radeon_semaphore_create(rdev, &semaphore);
316 0 : if (r) {
317 0 : DRM_ERROR("Failed to create semaphore\n");
318 0 : goto out_cleanup;
319 : }
320 :
321 0 : r = radeon_ring_lock(rdev, ringA, 64);
322 0 : if (r) {
323 0 : DRM_ERROR("Failed to lock ring A %d\n", ringA->idx);
324 0 : goto out_cleanup;
325 : }
326 0 : radeon_semaphore_emit_wait(rdev, ringA->idx, semaphore);
327 0 : radeon_ring_unlock_commit(rdev, ringA, false);
328 :
329 0 : r = radeon_test_create_and_emit_fence(rdev, ringA, &fence1);
330 0 : if (r)
331 : goto out_cleanup;
332 :
333 0 : r = radeon_ring_lock(rdev, ringA, 64);
334 0 : if (r) {
335 0 : DRM_ERROR("Failed to lock ring A %d\n", ringA->idx);
336 0 : goto out_cleanup;
337 : }
338 0 : radeon_semaphore_emit_wait(rdev, ringA->idx, semaphore);
339 0 : radeon_ring_unlock_commit(rdev, ringA, false);
340 :
341 0 : r = radeon_test_create_and_emit_fence(rdev, ringA, &fence2);
342 0 : if (r)
343 : goto out_cleanup;
344 :
345 0 : mdelay(1000);
346 :
347 0 : if (radeon_fence_signaled(fence1)) {
348 0 : DRM_ERROR("Fence 1 signaled without waiting for semaphore.\n");
349 0 : goto out_cleanup;
350 : }
351 :
352 0 : r = radeon_ring_lock(rdev, ringB, 64);
353 0 : if (r) {
354 0 : DRM_ERROR("Failed to lock ring B %p\n", ringB);
355 0 : goto out_cleanup;
356 : }
357 0 : radeon_semaphore_emit_signal(rdev, ringB->idx, semaphore);
358 0 : radeon_ring_unlock_commit(rdev, ringB, false);
359 :
360 0 : r = radeon_fence_wait(fence1, false);
361 0 : if (r) {
362 0 : DRM_ERROR("Failed to wait for sync fence 1\n");
363 0 : goto out_cleanup;
364 : }
365 :
366 0 : mdelay(1000);
367 :
368 0 : if (radeon_fence_signaled(fence2)) {
369 0 : DRM_ERROR("Fence 2 signaled without waiting for semaphore.\n");
370 0 : goto out_cleanup;
371 : }
372 :
373 0 : r = radeon_ring_lock(rdev, ringB, 64);
374 0 : if (r) {
375 0 : DRM_ERROR("Failed to lock ring B %p\n", ringB);
376 0 : goto out_cleanup;
377 : }
378 0 : radeon_semaphore_emit_signal(rdev, ringB->idx, semaphore);
379 0 : radeon_ring_unlock_commit(rdev, ringB, false);
380 :
381 0 : r = radeon_fence_wait(fence2, false);
382 0 : if (r) {
383 0 : DRM_ERROR("Failed to wait for sync fence 1\n");
384 0 : goto out_cleanup;
385 : }
386 :
387 : out_cleanup:
388 0 : radeon_semaphore_free(rdev, &semaphore, NULL);
389 :
390 0 : if (fence1)
391 0 : radeon_fence_unref(&fence1);
392 :
393 0 : if (fence2)
394 0 : radeon_fence_unref(&fence2);
395 :
396 0 : if (r)
397 0 : printk(KERN_WARNING "Error while testing ring sync (%d).\n", r);
398 0 : }
399 :
400 0 : static void radeon_test_ring_sync2(struct radeon_device *rdev,
401 : struct radeon_ring *ringA,
402 : struct radeon_ring *ringB,
403 : struct radeon_ring *ringC)
404 : {
405 0 : struct radeon_fence *fenceA = NULL, *fenceB = NULL;
406 0 : struct radeon_semaphore *semaphore = NULL;
407 : bool sigA, sigB;
408 : int i, r;
409 :
410 0 : r = radeon_semaphore_create(rdev, &semaphore);
411 0 : if (r) {
412 0 : DRM_ERROR("Failed to create semaphore\n");
413 0 : goto out_cleanup;
414 : }
415 :
416 0 : r = radeon_ring_lock(rdev, ringA, 64);
417 0 : if (r) {
418 0 : DRM_ERROR("Failed to lock ring A %d\n", ringA->idx);
419 0 : goto out_cleanup;
420 : }
421 0 : radeon_semaphore_emit_wait(rdev, ringA->idx, semaphore);
422 0 : radeon_ring_unlock_commit(rdev, ringA, false);
423 :
424 0 : r = radeon_test_create_and_emit_fence(rdev, ringA, &fenceA);
425 0 : if (r)
426 : goto out_cleanup;
427 :
428 0 : r = radeon_ring_lock(rdev, ringB, 64);
429 0 : if (r) {
430 0 : DRM_ERROR("Failed to lock ring B %d\n", ringB->idx);
431 0 : goto out_cleanup;
432 : }
433 0 : radeon_semaphore_emit_wait(rdev, ringB->idx, semaphore);
434 0 : radeon_ring_unlock_commit(rdev, ringB, false);
435 0 : r = radeon_test_create_and_emit_fence(rdev, ringB, &fenceB);
436 0 : if (r)
437 : goto out_cleanup;
438 :
439 0 : mdelay(1000);
440 :
441 0 : if (radeon_fence_signaled(fenceA)) {
442 0 : DRM_ERROR("Fence A signaled without waiting for semaphore.\n");
443 0 : goto out_cleanup;
444 : }
445 0 : if (radeon_fence_signaled(fenceB)) {
446 0 : DRM_ERROR("Fence B signaled without waiting for semaphore.\n");
447 0 : goto out_cleanup;
448 : }
449 :
450 0 : r = radeon_ring_lock(rdev, ringC, 64);
451 0 : if (r) {
452 0 : DRM_ERROR("Failed to lock ring B %p\n", ringC);
453 0 : goto out_cleanup;
454 : }
455 0 : radeon_semaphore_emit_signal(rdev, ringC->idx, semaphore);
456 0 : radeon_ring_unlock_commit(rdev, ringC, false);
457 :
458 0 : for (i = 0; i < 30; ++i) {
459 0 : mdelay(100);
460 0 : sigA = radeon_fence_signaled(fenceA);
461 0 : sigB = radeon_fence_signaled(fenceB);
462 0 : if (sigA || sigB)
463 : break;
464 : }
465 :
466 0 : if (!sigA && !sigB) {
467 0 : DRM_ERROR("Neither fence A nor B has been signaled\n");
468 0 : goto out_cleanup;
469 0 : } else if (sigA && sigB) {
470 0 : DRM_ERROR("Both fence A and B has been signaled\n");
471 0 : goto out_cleanup;
472 : }
473 :
474 : DRM_INFO("Fence %c was first signaled\n", sigA ? 'A' : 'B');
475 :
476 0 : r = radeon_ring_lock(rdev, ringC, 64);
477 0 : if (r) {
478 0 : DRM_ERROR("Failed to lock ring B %p\n", ringC);
479 0 : goto out_cleanup;
480 : }
481 0 : radeon_semaphore_emit_signal(rdev, ringC->idx, semaphore);
482 0 : radeon_ring_unlock_commit(rdev, ringC, false);
483 :
484 0 : mdelay(1000);
485 :
486 0 : r = radeon_fence_wait(fenceA, false);
487 0 : if (r) {
488 0 : DRM_ERROR("Failed to wait for sync fence A\n");
489 0 : goto out_cleanup;
490 : }
491 0 : r = radeon_fence_wait(fenceB, false);
492 0 : if (r) {
493 0 : DRM_ERROR("Failed to wait for sync fence B\n");
494 0 : goto out_cleanup;
495 : }
496 :
497 : out_cleanup:
498 0 : radeon_semaphore_free(rdev, &semaphore, NULL);
499 :
500 0 : if (fenceA)
501 0 : radeon_fence_unref(&fenceA);
502 :
503 0 : if (fenceB)
504 0 : radeon_fence_unref(&fenceB);
505 :
506 0 : if (r)
507 0 : printk(KERN_WARNING "Error while testing ring sync (%d).\n", r);
508 0 : }
509 :
510 0 : static bool radeon_test_sync_possible(struct radeon_ring *ringA,
511 : struct radeon_ring *ringB)
512 : {
513 0 : if (ringA->idx == TN_RING_TYPE_VCE2_INDEX &&
514 0 : ringB->idx == TN_RING_TYPE_VCE1_INDEX)
515 0 : return false;
516 :
517 0 : return true;
518 0 : }
519 :
520 0 : void radeon_test_syncing(struct radeon_device *rdev)
521 : {
522 : int i, j, k;
523 :
524 0 : for (i = 1; i < RADEON_NUM_RINGS; ++i) {
525 0 : struct radeon_ring *ringA = &rdev->ring[i];
526 0 : if (!ringA->ready)
527 0 : continue;
528 :
529 0 : for (j = 0; j < i; ++j) {
530 0 : struct radeon_ring *ringB = &rdev->ring[j];
531 0 : if (!ringB->ready)
532 0 : continue;
533 :
534 0 : if (!radeon_test_sync_possible(ringA, ringB))
535 0 : continue;
536 :
537 : DRM_INFO("Testing syncing between rings %d and %d...\n", i, j);
538 0 : radeon_test_ring_sync(rdev, ringA, ringB);
539 :
540 : DRM_INFO("Testing syncing between rings %d and %d...\n", j, i);
541 0 : radeon_test_ring_sync(rdev, ringB, ringA);
542 :
543 0 : for (k = 0; k < j; ++k) {
544 0 : struct radeon_ring *ringC = &rdev->ring[k];
545 0 : if (!ringC->ready)
546 0 : continue;
547 :
548 0 : if (!radeon_test_sync_possible(ringA, ringC))
549 0 : continue;
550 :
551 0 : if (!radeon_test_sync_possible(ringB, ringC))
552 0 : continue;
553 :
554 : DRM_INFO("Testing syncing between rings %d, %d and %d...\n", i, j, k);
555 0 : radeon_test_ring_sync2(rdev, ringA, ringB, ringC);
556 :
557 : DRM_INFO("Testing syncing between rings %d, %d and %d...\n", i, k, j);
558 0 : radeon_test_ring_sync2(rdev, ringA, ringC, ringB);
559 :
560 : DRM_INFO("Testing syncing between rings %d, %d and %d...\n", j, i, k);
561 0 : radeon_test_ring_sync2(rdev, ringB, ringA, ringC);
562 :
563 : DRM_INFO("Testing syncing between rings %d, %d and %d...\n", j, k, i);
564 0 : radeon_test_ring_sync2(rdev, ringB, ringC, ringA);
565 :
566 : DRM_INFO("Testing syncing between rings %d, %d and %d...\n", k, i, j);
567 0 : radeon_test_ring_sync2(rdev, ringC, ringA, ringB);
568 :
569 : DRM_INFO("Testing syncing between rings %d, %d and %d...\n", k, j, i);
570 0 : radeon_test_ring_sync2(rdev, ringC, ringB, ringA);
571 0 : }
572 0 : }
573 0 : }
574 0 : }
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