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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#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 */
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 n, size;
40 int i, 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 /* Number of tests =
57 * (Total GTT - IB pool - writeback page - ring buffers) / test size
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 uint32_t handle = ring->idx ^ 0xdeafbeef;
261 int r;
262
263 if (ring->idx == R600_RING_TYPE_UVD_INDEX) {
264 r = radeon_uvd_get_create_msg(rdev, ring->idx, handle, NULL);
265 if (r) {
266 DRM_ERROR("Failed to get dummy create msg\n");
267 return r;
268 }
269
270 r = radeon_uvd_get_destroy_msg(rdev, ring->idx, handle, fence);
271 if (r) {
272 DRM_ERROR("Failed to get dummy destroy msg\n");
273 return r;
274 }
275
276 } else if (ring->idx == TN_RING_TYPE_VCE1_INDEX ||
277 ring->idx == TN_RING_TYPE_VCE2_INDEX) {
278 r = radeon_vce_get_create_msg(rdev, ring->idx, handle, NULL);
279 if (r) {
280 DRM_ERROR("Failed to get dummy create msg\n");
281 return r;
282 }
283
284 r = radeon_vce_get_destroy_msg(rdev, ring->idx, handle, fence);
285 if (r) {
286 DRM_ERROR("Failed to get dummy destroy msg\n");
287 return r;
288 }
289
290 } else {
291 r = radeon_ring_lock(rdev, ring, 64);
292 if (r) {
293 DRM_ERROR("Failed to lock ring A %d\n", ring->idx);
294 return r;
295 }
296 radeon_fence_emit(rdev, fence, ring->idx);
297 radeon_ring_unlock_commit(rdev, ring);
298 }
299 return 0;
300}
301
302void radeon_test_ring_sync(struct radeon_device *rdev,
303 struct radeon_ring *ringA,
304 struct radeon_ring *ringB)
305{
306 struct radeon_fence *fence1 = NULL, *fence2 = NULL;
307 struct radeon_semaphore *semaphore = NULL;
308 int r;
309
310 r = radeon_semaphore_create(rdev, &semaphore);
311 if (r) {
312 DRM_ERROR("Failed to create semaphore\n");
313 goto out_cleanup;
314 }
315
316 r = radeon_ring_lock(rdev, ringA, 64);
317 if (r) {
318 DRM_ERROR("Failed to lock ring A %d\n", ringA->idx);
319 goto out_cleanup;
320 }
321 radeon_semaphore_emit_wait(rdev, ringA->idx, semaphore);
322 radeon_ring_unlock_commit(rdev, ringA);
323
324 r = radeon_test_create_and_emit_fence(rdev, ringA, &fence1);
325 if (r)
326 goto out_cleanup;
327
328 r = radeon_ring_lock(rdev, ringA, 64);
329 if (r) {
330 DRM_ERROR("Failed to lock ring A %d\n", ringA->idx);
331 goto out_cleanup;
332 }
333 radeon_semaphore_emit_wait(rdev, ringA->idx, semaphore);
334 radeon_ring_unlock_commit(rdev, ringA);
335
336 r = radeon_test_create_and_emit_fence(rdev, ringA, &fence2);
337 if (r)
338 goto out_cleanup;
339
340 mdelay(1000);
341
342 if (radeon_fence_signaled(fence1)) {
343 DRM_ERROR("Fence 1 signaled without waiting for semaphore.\n");
344 goto out_cleanup;
345 }
346
347 r = radeon_ring_lock(rdev, ringB, 64);
348 if (r) {
349 DRM_ERROR("Failed to lock ring B %p\n", ringB);
350 goto out_cleanup;
351 }
352 radeon_semaphore_emit_signal(rdev, ringB->idx, semaphore);
353 radeon_ring_unlock_commit(rdev, ringB);
354
355 r = radeon_fence_wait(fence1, false);
356 if (r) {
357 DRM_ERROR("Failed to wait for sync fence 1\n");
358 goto out_cleanup;
359 }
360
361 mdelay(1000);
362
363 if (radeon_fence_signaled(fence2)) {
364 DRM_ERROR("Fence 2 signaled without waiting for semaphore.\n");
365 goto out_cleanup;
366 }
367
368 r = radeon_ring_lock(rdev, ringB, 64);
369 if (r) {
370 DRM_ERROR("Failed to lock ring B %p\n", ringB);
371 goto out_cleanup;
372 }
373 radeon_semaphore_emit_signal(rdev, ringB->idx, semaphore);
374 radeon_ring_unlock_commit(rdev, ringB);
375
376 r = radeon_fence_wait(fence2, false);
377 if (r) {
378 DRM_ERROR("Failed to wait for sync fence 1\n");
379 goto out_cleanup;
380 }
381
382out_cleanup:
383 radeon_semaphore_free(rdev, &semaphore, NULL);
384
385 if (fence1)
386 radeon_fence_unref(&fence1);
387
388 if (fence2)
389 radeon_fence_unref(&fence2);
390
391 if (r)
392 printk(KERN_WARNING "Error while testing ring sync (%d).\n", r);
393}
394
395static void radeon_test_ring_sync2(struct radeon_device *rdev,
396 struct radeon_ring *ringA,
397 struct radeon_ring *ringB,
398 struct radeon_ring *ringC)
399{
400 struct radeon_fence *fenceA = NULL, *fenceB = NULL;
401 struct radeon_semaphore *semaphore = NULL;
402 bool sigA, sigB;
403 int i, r;
404
405 r = radeon_semaphore_create(rdev, &semaphore);
406 if (r) {
407 DRM_ERROR("Failed to create semaphore\n");
408 goto out_cleanup;
409 }
410
411 r = radeon_ring_lock(rdev, ringA, 64);
412 if (r) {
413 DRM_ERROR("Failed to lock ring A %d\n", ringA->idx);
414 goto out_cleanup;
415 }
416 radeon_semaphore_emit_wait(rdev, ringA->idx, semaphore);
417 radeon_ring_unlock_commit(rdev, ringA);
418
419 r = radeon_test_create_and_emit_fence(rdev, ringA, &fenceA);
420 if (r)
421 goto out_cleanup;
422
423 r = radeon_ring_lock(rdev, ringB, 64);
424 if (r) {
425 DRM_ERROR("Failed to lock ring B %d\n", ringB->idx);
426 goto out_cleanup;
427 }
428 radeon_semaphore_emit_wait(rdev, ringB->idx, semaphore);
429 radeon_ring_unlock_commit(rdev, ringB);
430 r = radeon_test_create_and_emit_fence(rdev, ringB, &fenceB);
431 if (r)
432 goto out_cleanup;
433
434 mdelay(1000);
435
436 if (radeon_fence_signaled(fenceA)) {
437 DRM_ERROR("Fence A signaled without waiting for semaphore.\n");
438 goto out_cleanup;
439 }
440 if (radeon_fence_signaled(fenceB)) {
441 DRM_ERROR("Fence B signaled without waiting for semaphore.\n");
442 goto out_cleanup;
443 }
444
445 r = radeon_ring_lock(rdev, ringC, 64);
446 if (r) {
447 DRM_ERROR("Failed to lock ring B %p\n", ringC);
448 goto out_cleanup;
449 }
450 radeon_semaphore_emit_signal(rdev, ringC->idx, semaphore);
451 radeon_ring_unlock_commit(rdev, ringC);
452
453 for (i = 0; i < 30; ++i) {
454 mdelay(100);
455 sigA = radeon_fence_signaled(fenceA);
456 sigB = radeon_fence_signaled(fenceB);
457 if (sigA || sigB)
458 break;
459 }
460
461 if (!sigA && !sigB) {
462 DRM_ERROR("Neither fence A nor B has been signaled\n");
463 goto out_cleanup;
464 } else if (sigA && sigB) {
465 DRM_ERROR("Both fence A and B has been signaled\n");
466 goto out_cleanup;
467 }
468
469 DRM_INFO("Fence %c was first signaled\n", sigA ? 'A' : 'B');
470
471 r = radeon_ring_lock(rdev, ringC, 64);
472 if (r) {
473 DRM_ERROR("Failed to lock ring B %p\n", ringC);
474 goto out_cleanup;
475 }
476 radeon_semaphore_emit_signal(rdev, ringC->idx, semaphore);
477 radeon_ring_unlock_commit(rdev, ringC);
478
479 mdelay(1000);
480
481 r = radeon_fence_wait(fenceA, false);
482 if (r) {
483 DRM_ERROR("Failed to wait for sync fence A\n");
484 goto out_cleanup;
485 }
486 r = radeon_fence_wait(fenceB, false);
487 if (r) {
488 DRM_ERROR("Failed to wait for sync fence B\n");
489 goto out_cleanup;
490 }
491
492out_cleanup:
493 radeon_semaphore_free(rdev, &semaphore, NULL);
494
495 if (fenceA)
496 radeon_fence_unref(&fenceA);
497
498 if (fenceB)
499 radeon_fence_unref(&fenceB);
500
501 if (r)
502 printk(KERN_WARNING "Error while testing ring sync (%d).\n", r);
503}
504
505static bool radeon_test_sync_possible(struct radeon_ring *ringA,
506 struct radeon_ring *ringB)
507{
508 if (ringA->idx == TN_RING_TYPE_VCE2_INDEX &&
509 ringB->idx == TN_RING_TYPE_VCE1_INDEX)
510 return false;
511
512 return true;
513}
514
515void radeon_test_syncing(struct radeon_device *rdev)
516{
517 int i, j, k;
518
519 for (i = 1; i < RADEON_NUM_RINGS; ++i) {
520 struct radeon_ring *ringA = &rdev->ring[i];
521 if (!ringA->ready)
522 continue;
523
524 for (j = 0; j < i; ++j) {
525 struct radeon_ring *ringB = &rdev->ring[j];
526 if (!ringB->ready)
527 continue;
528
529 if (!radeon_test_sync_possible(ringA, ringB))
530 continue;
531
532 DRM_INFO("Testing syncing between rings %d and %d...\n", i, j);
533 radeon_test_ring_sync(rdev, ringA, ringB);
534
535 DRM_INFO("Testing syncing between rings %d and %d...\n", j, i);
536 radeon_test_ring_sync(rdev, ringB, ringA);
537
538 for (k = 0; k < j; ++k) {
539 struct radeon_ring *ringC = &rdev->ring[k];
540 if (!ringC->ready)
541 continue;
542
543 if (!radeon_test_sync_possible(ringA, ringC))
544 continue;
545
546 if (!radeon_test_sync_possible(ringB, ringC))
547 continue;
548
549 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", i, j, k);
550 radeon_test_ring_sync2(rdev, ringA, ringB, ringC);
551
552 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", i, k, j);
553 radeon_test_ring_sync2(rdev, ringA, ringC, ringB);
554
555 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", j, i, k);
556 radeon_test_ring_sync2(rdev, ringB, ringA, ringC);
557
558 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", j, k, i);
559 radeon_test_ring_sync2(rdev, ringB, ringC, ringA);
560
561 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", k, i, j);
562 radeon_test_ring_sync2(rdev, ringC, ringA, ringB);
563
564 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", k, j, i);
565 radeon_test_ring_sync2(rdev, ringC, ringB, ringA);
566 }
567 }
568 }
569}