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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/radeon_drm.h>
26#include "radeon_reg.h"
27#include "radeon.h"
28
29
30/* Test BO GTT->VRAM and VRAM->GTT GPU copies across the whole GTT aperture */
31void radeon_test_moves(struct radeon_device *rdev)
32{
33 struct radeon_bo *vram_obj = NULL;
34 struct radeon_bo **gtt_obj = NULL;
35 struct radeon_fence *fence = NULL;
36 uint64_t gtt_addr, vram_addr;
37 unsigned i, n, size;
38 int 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 = rdev->mc.gtt_size - RADEON_IB_POOL_SIZE*64*1024 - rdev->cp.ring_size;
46 if (rdev->wb.wb_obj)
47 n -= RADEON_GPU_PAGE_SIZE;
48 if (rdev->ih.ring_obj)
49 n -= rdev->ih.ring_size;
50 n /= size;
51
52 gtt_obj = kzalloc(n * sizeof(*gtt_obj), GFP_KERNEL);
53 if (!gtt_obj) {
54 DRM_ERROR("Failed to allocate %d pointers\n", n);
55 r = 1;
56 goto out_cleanup;
57 }
58
59 r = radeon_bo_create(rdev, size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
60 &vram_obj);
61 if (r) {
62 DRM_ERROR("Failed to create VRAM object\n");
63 goto out_cleanup;
64 }
65 r = radeon_bo_reserve(vram_obj, false);
66 if (unlikely(r != 0))
67 goto out_cleanup;
68 r = radeon_bo_pin(vram_obj, RADEON_GEM_DOMAIN_VRAM, &vram_addr);
69 if (r) {
70 DRM_ERROR("Failed to pin VRAM object\n");
71 goto out_cleanup;
72 }
73 for (i = 0; i < n; i++) {
74 void *gtt_map, *vram_map;
75 void **gtt_start, **gtt_end;
76 void **vram_start, **vram_end;
77
78 r = radeon_bo_create(rdev, size, PAGE_SIZE, true,
79 RADEON_GEM_DOMAIN_GTT, gtt_obj + i);
80 if (r) {
81 DRM_ERROR("Failed to create GTT object %d\n", i);
82 goto out_cleanup;
83 }
84
85 r = radeon_bo_reserve(gtt_obj[i], false);
86 if (unlikely(r != 0))
87 goto out_cleanup;
88 r = radeon_bo_pin(gtt_obj[i], RADEON_GEM_DOMAIN_GTT, >t_addr);
89 if (r) {
90 DRM_ERROR("Failed to pin GTT object %d\n", i);
91 goto out_cleanup;
92 }
93
94 r = radeon_bo_kmap(gtt_obj[i], >t_map);
95 if (r) {
96 DRM_ERROR("Failed to map GTT object %d\n", i);
97 goto out_cleanup;
98 }
99
100 for (gtt_start = gtt_map, gtt_end = gtt_map + size;
101 gtt_start < gtt_end;
102 gtt_start++)
103 *gtt_start = gtt_start;
104
105 radeon_bo_kunmap(gtt_obj[i]);
106
107 r = radeon_fence_create(rdev, &fence);
108 if (r) {
109 DRM_ERROR("Failed to create GTT->VRAM fence %d\n", i);
110 goto out_cleanup;
111 }
112
113 r = radeon_copy(rdev, gtt_addr, vram_addr, size / RADEON_GPU_PAGE_SIZE, fence);
114 if (r) {
115 DRM_ERROR("Failed GTT->VRAM copy %d\n", i);
116 goto out_cleanup;
117 }
118
119 r = radeon_fence_wait(fence, false);
120 if (r) {
121 DRM_ERROR("Failed to wait for GTT->VRAM fence %d\n", i);
122 goto out_cleanup;
123 }
124
125 radeon_fence_unref(&fence);
126
127 r = radeon_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_cleanup;
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 - rdev->mc.gtt_start +
144 (void*)gtt_start - gtt_map),
145 (unsigned long long)
146 (vram_addr - rdev->mc.vram_start +
147 (void*)gtt_start - gtt_map));
148 radeon_bo_kunmap(vram_obj);
149 goto out_cleanup;
150 }
151 *vram_start = vram_start;
152 }
153
154 radeon_bo_kunmap(vram_obj);
155
156 r = radeon_fence_create(rdev, &fence);
157 if (r) {
158 DRM_ERROR("Failed to create VRAM->GTT fence %d\n", i);
159 goto out_cleanup;
160 }
161
162 r = radeon_copy(rdev, vram_addr, gtt_addr, size / RADEON_GPU_PAGE_SIZE, fence);
163 if (r) {
164 DRM_ERROR("Failed VRAM->GTT copy %d\n", i);
165 goto out_cleanup;
166 }
167
168 r = radeon_fence_wait(fence, false);
169 if (r) {
170 DRM_ERROR("Failed to wait for VRAM->GTT fence %d\n", i);
171 goto out_cleanup;
172 }
173
174 radeon_fence_unref(&fence);
175
176 r = radeon_bo_kmap(gtt_obj[i], >t_map);
177 if (r) {
178 DRM_ERROR("Failed to map GTT object after copy %d\n", i);
179 goto out_cleanup;
180 }
181
182 for (gtt_start = gtt_map, gtt_end = gtt_map + size,
183 vram_start = vram_map, vram_end = vram_map + size;
184 gtt_start < gtt_end;
185 gtt_start++, vram_start++) {
186 if (*gtt_start != vram_start) {
187 DRM_ERROR("Incorrect VRAM->GTT copy %d: Got 0x%p, "
188 "expected 0x%p (VRAM/GTT offset "
189 "0x%16llx/0x%16llx)\n",
190 i, *gtt_start, vram_start,
191 (unsigned long long)
192 (vram_addr - rdev->mc.vram_start +
193 (void*)vram_start - vram_map),
194 (unsigned long long)
195 (gtt_addr - rdev->mc.gtt_start +
196 (void*)vram_start - vram_map));
197 radeon_bo_kunmap(gtt_obj[i]);
198 goto out_cleanup;
199 }
200 }
201
202 radeon_bo_kunmap(gtt_obj[i]);
203
204 DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n",
205 gtt_addr - rdev->mc.gtt_start);
206 }
207
208out_cleanup:
209 if (vram_obj) {
210 if (radeon_bo_is_reserved(vram_obj)) {
211 radeon_bo_unpin(vram_obj);
212 radeon_bo_unreserve(vram_obj);
213 }
214 radeon_bo_unref(&vram_obj);
215 }
216 if (gtt_obj) {
217 for (i = 0; i < n; i++) {
218 if (gtt_obj[i]) {
219 if (radeon_bo_is_reserved(gtt_obj[i])) {
220 radeon_bo_unpin(gtt_obj[i]);
221 radeon_bo_unreserve(gtt_obj[i]);
222 }
223 radeon_bo_unref(>t_obj[i]);
224 }
225 }
226 kfree(gtt_obj);
227 }
228 if (fence) {
229 radeon_fence_unref(&fence);
230 }
231 if (r) {
232 printk(KERN_WARNING "Error while testing BO move.\n");
233 }
234}
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/radeon_drm.h>
26#include "radeon_reg.h"
27#include "radeon.h"
28
29
30/* Test BO GTT->VRAM and VRAM->GTT GPU copies across the whole GTT aperture */
31void radeon_test_moves(struct radeon_device *rdev)
32{
33 struct radeon_bo *vram_obj = NULL;
34 struct radeon_bo **gtt_obj = NULL;
35 struct radeon_fence *fence = NULL;
36 uint64_t gtt_addr, vram_addr;
37 unsigned i, n, size;
38 int 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 = rdev->mc.gtt_size - RADEON_IB_POOL_SIZE*64*1024;
46 for (i = 0; i < RADEON_NUM_RINGS; ++i)
47 n -= rdev->ring[i].ring_size;
48 if (rdev->wb.wb_obj)
49 n -= RADEON_GPU_PAGE_SIZE;
50 if (rdev->ih.ring_obj)
51 n -= rdev->ih.ring_size;
52 n /= size;
53
54 gtt_obj = kzalloc(n * sizeof(*gtt_obj), GFP_KERNEL);
55 if (!gtt_obj) {
56 DRM_ERROR("Failed to allocate %d pointers\n", n);
57 r = 1;
58 goto out_cleanup;
59 }
60
61 r = radeon_bo_create(rdev, size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
62 NULL, &vram_obj);
63 if (r) {
64 DRM_ERROR("Failed to create VRAM object\n");
65 goto out_cleanup;
66 }
67 r = radeon_bo_reserve(vram_obj, false);
68 if (unlikely(r != 0))
69 goto out_cleanup;
70 r = radeon_bo_pin(vram_obj, RADEON_GEM_DOMAIN_VRAM, &vram_addr);
71 if (r) {
72 DRM_ERROR("Failed to pin VRAM object\n");
73 goto out_cleanup;
74 }
75 for (i = 0; i < n; i++) {
76 void *gtt_map, *vram_map;
77 void **gtt_start, **gtt_end;
78 void **vram_start, **vram_end;
79
80 r = radeon_bo_create(rdev, size, PAGE_SIZE, true,
81 RADEON_GEM_DOMAIN_GTT, NULL, gtt_obj + i);
82 if (r) {
83 DRM_ERROR("Failed to create GTT object %d\n", i);
84 goto out_cleanup;
85 }
86
87 r = radeon_bo_reserve(gtt_obj[i], false);
88 if (unlikely(r != 0))
89 goto out_cleanup;
90 r = radeon_bo_pin(gtt_obj[i], RADEON_GEM_DOMAIN_GTT, >t_addr);
91 if (r) {
92 DRM_ERROR("Failed to pin GTT object %d\n", i);
93 goto out_cleanup;
94 }
95
96 r = radeon_bo_kmap(gtt_obj[i], >t_map);
97 if (r) {
98 DRM_ERROR("Failed to map GTT object %d\n", i);
99 goto out_cleanup;
100 }
101
102 for (gtt_start = gtt_map, gtt_end = gtt_map + size;
103 gtt_start < gtt_end;
104 gtt_start++)
105 *gtt_start = gtt_start;
106
107 radeon_bo_kunmap(gtt_obj[i]);
108
109 r = radeon_fence_create(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
110 if (r) {
111 DRM_ERROR("Failed to create GTT->VRAM fence %d\n", i);
112 goto out_cleanup;
113 }
114
115 r = radeon_copy(rdev, gtt_addr, vram_addr, size / RADEON_GPU_PAGE_SIZE, fence);
116 if (r) {
117 DRM_ERROR("Failed GTT->VRAM copy %d\n", i);
118 goto out_cleanup;
119 }
120
121 r = radeon_fence_wait(fence, false);
122 if (r) {
123 DRM_ERROR("Failed to wait for GTT->VRAM fence %d\n", i);
124 goto out_cleanup;
125 }
126
127 radeon_fence_unref(&fence);
128
129 r = radeon_bo_kmap(vram_obj, &vram_map);
130 if (r) {
131 DRM_ERROR("Failed to map VRAM object after copy %d\n", i);
132 goto out_cleanup;
133 }
134
135 for (gtt_start = gtt_map, gtt_end = gtt_map + size,
136 vram_start = vram_map, vram_end = vram_map + size;
137 vram_start < vram_end;
138 gtt_start++, vram_start++) {
139 if (*vram_start != gtt_start) {
140 DRM_ERROR("Incorrect GTT->VRAM copy %d: Got 0x%p, "
141 "expected 0x%p (GTT/VRAM offset "
142 "0x%16llx/0x%16llx)\n",
143 i, *vram_start, gtt_start,
144 (unsigned long long)
145 (gtt_addr - rdev->mc.gtt_start +
146 (void*)gtt_start - gtt_map),
147 (unsigned long long)
148 (vram_addr - rdev->mc.vram_start +
149 (void*)gtt_start - gtt_map));
150 radeon_bo_kunmap(vram_obj);
151 goto out_cleanup;
152 }
153 *vram_start = vram_start;
154 }
155
156 radeon_bo_kunmap(vram_obj);
157
158 r = radeon_fence_create(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
159 if (r) {
160 DRM_ERROR("Failed to create VRAM->GTT fence %d\n", i);
161 goto out_cleanup;
162 }
163
164 r = radeon_copy(rdev, vram_addr, gtt_addr, size / RADEON_GPU_PAGE_SIZE, fence);
165 if (r) {
166 DRM_ERROR("Failed VRAM->GTT copy %d\n", i);
167 goto out_cleanup;
168 }
169
170 r = radeon_fence_wait(fence, false);
171 if (r) {
172 DRM_ERROR("Failed to wait for VRAM->GTT fence %d\n", i);
173 goto out_cleanup;
174 }
175
176 radeon_fence_unref(&fence);
177
178 r = radeon_bo_kmap(gtt_obj[i], >t_map);
179 if (r) {
180 DRM_ERROR("Failed to map GTT object after copy %d\n", i);
181 goto out_cleanup;
182 }
183
184 for (gtt_start = gtt_map, gtt_end = gtt_map + size,
185 vram_start = vram_map, vram_end = vram_map + size;
186 gtt_start < gtt_end;
187 gtt_start++, vram_start++) {
188 if (*gtt_start != vram_start) {
189 DRM_ERROR("Incorrect VRAM->GTT copy %d: Got 0x%p, "
190 "expected 0x%p (VRAM/GTT offset "
191 "0x%16llx/0x%16llx)\n",
192 i, *gtt_start, vram_start,
193 (unsigned long long)
194 (vram_addr - rdev->mc.vram_start +
195 (void*)vram_start - vram_map),
196 (unsigned long long)
197 (gtt_addr - rdev->mc.gtt_start +
198 (void*)vram_start - vram_map));
199 radeon_bo_kunmap(gtt_obj[i]);
200 goto out_cleanup;
201 }
202 }
203
204 radeon_bo_kunmap(gtt_obj[i]);
205
206 DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n",
207 gtt_addr - rdev->mc.gtt_start);
208 }
209
210out_cleanup:
211 if (vram_obj) {
212 if (radeon_bo_is_reserved(vram_obj)) {
213 radeon_bo_unpin(vram_obj);
214 radeon_bo_unreserve(vram_obj);
215 }
216 radeon_bo_unref(&vram_obj);
217 }
218 if (gtt_obj) {
219 for (i = 0; i < n; i++) {
220 if (gtt_obj[i]) {
221 if (radeon_bo_is_reserved(gtt_obj[i])) {
222 radeon_bo_unpin(gtt_obj[i]);
223 radeon_bo_unreserve(gtt_obj[i]);
224 }
225 radeon_bo_unref(>t_obj[i]);
226 }
227 }
228 kfree(gtt_obj);
229 }
230 if (fence) {
231 radeon_fence_unref(&fence);
232 }
233 if (r) {
234 printk(KERN_WARNING "Error while testing BO move.\n");
235 }
236}
237
238void radeon_test_ring_sync(struct radeon_device *rdev,
239 struct radeon_ring *ringA,
240 struct radeon_ring *ringB)
241{
242 struct radeon_fence *fence1 = NULL, *fence2 = NULL;
243 struct radeon_semaphore *semaphore = NULL;
244 int ridxA = radeon_ring_index(rdev, ringA);
245 int ridxB = radeon_ring_index(rdev, ringB);
246 int r;
247
248 r = radeon_fence_create(rdev, &fence1, ridxA);
249 if (r) {
250 DRM_ERROR("Failed to create sync fence 1\n");
251 goto out_cleanup;
252 }
253 r = radeon_fence_create(rdev, &fence2, ridxA);
254 if (r) {
255 DRM_ERROR("Failed to create sync fence 2\n");
256 goto out_cleanup;
257 }
258
259 r = radeon_semaphore_create(rdev, &semaphore);
260 if (r) {
261 DRM_ERROR("Failed to create semaphore\n");
262 goto out_cleanup;
263 }
264
265 r = radeon_ring_lock(rdev, ringA, 64);
266 if (r) {
267 DRM_ERROR("Failed to lock ring A %d\n", ridxA);
268 goto out_cleanup;
269 }
270 radeon_semaphore_emit_wait(rdev, ridxA, semaphore);
271 radeon_fence_emit(rdev, fence1);
272 radeon_semaphore_emit_wait(rdev, ridxA, semaphore);
273 radeon_fence_emit(rdev, fence2);
274 radeon_ring_unlock_commit(rdev, ringA);
275
276 mdelay(1000);
277
278 if (radeon_fence_signaled(fence1)) {
279 DRM_ERROR("Fence 1 signaled without waiting for semaphore.\n");
280 goto out_cleanup;
281 }
282
283 r = radeon_ring_lock(rdev, ringB, 64);
284 if (r) {
285 DRM_ERROR("Failed to lock ring B %p\n", ringB);
286 goto out_cleanup;
287 }
288 radeon_semaphore_emit_signal(rdev, ridxB, semaphore);
289 radeon_ring_unlock_commit(rdev, ringB);
290
291 r = radeon_fence_wait(fence1, false);
292 if (r) {
293 DRM_ERROR("Failed to wait for sync fence 1\n");
294 goto out_cleanup;
295 }
296
297 mdelay(1000);
298
299 if (radeon_fence_signaled(fence2)) {
300 DRM_ERROR("Fence 2 signaled without waiting for semaphore.\n");
301 goto out_cleanup;
302 }
303
304 r = radeon_ring_lock(rdev, ringB, 64);
305 if (r) {
306 DRM_ERROR("Failed to lock ring B %p\n", ringB);
307 goto out_cleanup;
308 }
309 radeon_semaphore_emit_signal(rdev, ridxB, semaphore);
310 radeon_ring_unlock_commit(rdev, ringB);
311
312 r = radeon_fence_wait(fence2, false);
313 if (r) {
314 DRM_ERROR("Failed to wait for sync fence 1\n");
315 goto out_cleanup;
316 }
317
318out_cleanup:
319 if (semaphore)
320 radeon_semaphore_free(rdev, semaphore, NULL);
321
322 if (fence1)
323 radeon_fence_unref(&fence1);
324
325 if (fence2)
326 radeon_fence_unref(&fence2);
327
328 if (r)
329 printk(KERN_WARNING "Error while testing ring sync (%d).\n", r);
330}
331
332void radeon_test_ring_sync2(struct radeon_device *rdev,
333 struct radeon_ring *ringA,
334 struct radeon_ring *ringB,
335 struct radeon_ring *ringC)
336{
337 struct radeon_fence *fenceA = NULL, *fenceB = NULL;
338 struct radeon_semaphore *semaphore = NULL;
339 int ridxA = radeon_ring_index(rdev, ringA);
340 int ridxB = radeon_ring_index(rdev, ringB);
341 int ridxC = radeon_ring_index(rdev, ringC);
342 bool sigA, sigB;
343 int i, r;
344
345 r = radeon_fence_create(rdev, &fenceA, ridxA);
346 if (r) {
347 DRM_ERROR("Failed to create sync fence 1\n");
348 goto out_cleanup;
349 }
350 r = radeon_fence_create(rdev, &fenceB, ridxB);
351 if (r) {
352 DRM_ERROR("Failed to create sync fence 2\n");
353 goto out_cleanup;
354 }
355
356 r = radeon_semaphore_create(rdev, &semaphore);
357 if (r) {
358 DRM_ERROR("Failed to create semaphore\n");
359 goto out_cleanup;
360 }
361
362 r = radeon_ring_lock(rdev, ringA, 64);
363 if (r) {
364 DRM_ERROR("Failed to lock ring A %d\n", ridxA);
365 goto out_cleanup;
366 }
367 radeon_semaphore_emit_wait(rdev, ridxA, semaphore);
368 radeon_fence_emit(rdev, fenceA);
369 radeon_ring_unlock_commit(rdev, ringA);
370
371 r = radeon_ring_lock(rdev, ringB, 64);
372 if (r) {
373 DRM_ERROR("Failed to lock ring B %d\n", ridxB);
374 goto out_cleanup;
375 }
376 radeon_semaphore_emit_wait(rdev, ridxB, semaphore);
377 radeon_fence_emit(rdev, fenceB);
378 radeon_ring_unlock_commit(rdev, ringB);
379
380 mdelay(1000);
381
382 if (radeon_fence_signaled(fenceA)) {
383 DRM_ERROR("Fence A signaled without waiting for semaphore.\n");
384 goto out_cleanup;
385 }
386 if (radeon_fence_signaled(fenceB)) {
387 DRM_ERROR("Fence A signaled without waiting for semaphore.\n");
388 goto out_cleanup;
389 }
390
391 r = radeon_ring_lock(rdev, ringC, 64);
392 if (r) {
393 DRM_ERROR("Failed to lock ring B %p\n", ringC);
394 goto out_cleanup;
395 }
396 radeon_semaphore_emit_signal(rdev, ridxC, semaphore);
397 radeon_ring_unlock_commit(rdev, ringC);
398
399 for (i = 0; i < 30; ++i) {
400 mdelay(100);
401 sigA = radeon_fence_signaled(fenceA);
402 sigB = radeon_fence_signaled(fenceB);
403 if (sigA || sigB)
404 break;
405 }
406
407 if (!sigA && !sigB) {
408 DRM_ERROR("Neither fence A nor B has been signaled\n");
409 goto out_cleanup;
410 } else if (sigA && sigB) {
411 DRM_ERROR("Both fence A and B has been signaled\n");
412 goto out_cleanup;
413 }
414
415 DRM_INFO("Fence %c was first signaled\n", sigA ? 'A' : 'B');
416
417 r = radeon_ring_lock(rdev, ringC, 64);
418 if (r) {
419 DRM_ERROR("Failed to lock ring B %p\n", ringC);
420 goto out_cleanup;
421 }
422 radeon_semaphore_emit_signal(rdev, ridxC, semaphore);
423 radeon_ring_unlock_commit(rdev, ringC);
424
425 mdelay(1000);
426
427 r = radeon_fence_wait(fenceA, false);
428 if (r) {
429 DRM_ERROR("Failed to wait for sync fence A\n");
430 goto out_cleanup;
431 }
432 r = radeon_fence_wait(fenceB, false);
433 if (r) {
434 DRM_ERROR("Failed to wait for sync fence B\n");
435 goto out_cleanup;
436 }
437
438out_cleanup:
439 if (semaphore)
440 radeon_semaphore_free(rdev, semaphore, NULL);
441
442 if (fenceA)
443 radeon_fence_unref(&fenceA);
444
445 if (fenceB)
446 radeon_fence_unref(&fenceB);
447
448 if (r)
449 printk(KERN_WARNING "Error while testing ring sync (%d).\n", r);
450}
451
452void radeon_test_syncing(struct radeon_device *rdev)
453{
454 int i, j, k;
455
456 for (i = 1; i < RADEON_NUM_RINGS; ++i) {
457 struct radeon_ring *ringA = &rdev->ring[i];
458 if (!ringA->ready)
459 continue;
460
461 for (j = 0; j < i; ++j) {
462 struct radeon_ring *ringB = &rdev->ring[j];
463 if (!ringB->ready)
464 continue;
465
466 DRM_INFO("Testing syncing between rings %d and %d...\n", i, j);
467 radeon_test_ring_sync(rdev, ringA, ringB);
468
469 DRM_INFO("Testing syncing between rings %d and %d...\n", j, i);
470 radeon_test_ring_sync(rdev, ringB, ringA);
471
472 for (k = 0; k < j; ++k) {
473 struct radeon_ring *ringC = &rdev->ring[k];
474 if (!ringC->ready)
475 continue;
476
477 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", i, j, k);
478 radeon_test_ring_sync2(rdev, ringA, ringB, ringC);
479
480 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", i, k, j);
481 radeon_test_ring_sync2(rdev, ringA, ringC, ringB);
482
483 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", j, i, k);
484 radeon_test_ring_sync2(rdev, ringB, ringA, ringC);
485
486 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", j, k, i);
487 radeon_test_ring_sync2(rdev, ringB, ringC, ringA);
488
489 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", k, i, j);
490 radeon_test_ring_sync2(rdev, ringC, ringA, ringB);
491
492 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", k, j, i);
493 radeon_test_ring_sync2(rdev, ringC, ringB, ringA);
494 }
495 }
496 }
497}