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