2 * Copyright 2009 VMware, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Authors: Michel Dänzer
25 #include <drm/radeon_drm.h>
26 #include "radeon_reg.h"
29 #define RADEON_TEST_COPY_BLIT 1
30 #define RADEON_TEST_COPY_DMA 0
33 /* Test BO GTT->VRAM and VRAM->GTT GPU copies across the whole GTT aperture */
34 static void radeon_do_test_moves(struct radeon_device
*rdev
, int flag
)
36 struct radeon_bo
*vram_obj
= NULL
;
37 struct radeon_bo
**gtt_obj
= NULL
;
38 uint64_t gtt_addr
, vram_addr
;
43 case RADEON_TEST_COPY_DMA
:
44 ring
= radeon_copy_dma_ring_index(rdev
);
46 case RADEON_TEST_COPY_BLIT
:
47 ring
= radeon_copy_blit_ring_index(rdev
);
50 DRM_ERROR("Unknown copy method\n");
57 * (Total GTT - IB pool - writeback page - ring buffers) / test size
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
;
63 n
-= RADEON_GPU_PAGE_SIZE
;
64 if (rdev
->ih
.ring_obj
)
65 n
-= rdev
->ih
.ring_size
;
68 gtt_obj
= kzalloc(n
* sizeof(*gtt_obj
), GFP_KERNEL
);
70 DRM_ERROR("Failed to allocate %d pointers\n", n
);
75 r
= radeon_bo_create(rdev
, size
, PAGE_SIZE
, true, RADEON_GEM_DOMAIN_VRAM
,
78 DRM_ERROR("Failed to create VRAM object\n");
81 r
= radeon_bo_reserve(vram_obj
, false);
84 r
= radeon_bo_pin(vram_obj
, RADEON_GEM_DOMAIN_VRAM
, &vram_addr
);
86 DRM_ERROR("Failed to pin VRAM object\n");
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
;
95 r
= radeon_bo_create(rdev
, size
, PAGE_SIZE
, true,
96 RADEON_GEM_DOMAIN_GTT
, NULL
, gtt_obj
+ i
);
98 DRM_ERROR("Failed to create GTT object %d\n", i
);
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
);
107 DRM_ERROR("Failed to pin GTT object %d\n", i
);
108 goto out_lclean_unres
;
111 r
= radeon_bo_kmap(gtt_obj
[i
], >t_map
);
113 DRM_ERROR("Failed to map GTT object %d\n", i
);
114 goto out_lclean_unpin
;
117 for (gtt_start
= gtt_map
, gtt_end
= gtt_map
+ size
;
120 *gtt_start
= gtt_start
;
122 radeon_bo_kunmap(gtt_obj
[i
]);
124 if (ring
== R600_RING_TYPE_DMA_INDEX
)
125 r
= radeon_copy_dma(rdev
, gtt_addr
, vram_addr
, size
/ RADEON_GPU_PAGE_SIZE
, &fence
);
127 r
= radeon_copy_blit(rdev
, gtt_addr
, vram_addr
, size
/ RADEON_GPU_PAGE_SIZE
, &fence
);
129 DRM_ERROR("Failed GTT->VRAM copy %d\n", i
);
130 goto out_lclean_unpin
;
133 r
= radeon_fence_wait(fence
, false);
135 DRM_ERROR("Failed to wait for GTT->VRAM fence %d\n", i
);
136 goto out_lclean_unpin
;
139 radeon_fence_unref(&fence
);
141 r
= radeon_bo_kmap(vram_obj
, &vram_map
);
143 DRM_ERROR("Failed to map VRAM object after copy %d\n", i
);
144 goto out_lclean_unpin
;
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
,
157 (gtt_addr
- rdev
->mc
.gtt_start
+
158 (void*)gtt_start
- gtt_map
),
160 (vram_addr
- rdev
->mc
.vram_start
+
161 (void*)gtt_start
- gtt_map
));
162 radeon_bo_kunmap(vram_obj
);
163 goto out_lclean_unpin
;
165 *vram_start
= vram_start
;
168 radeon_bo_kunmap(vram_obj
);
170 if (ring
== R600_RING_TYPE_DMA_INDEX
)
171 r
= radeon_copy_dma(rdev
, vram_addr
, gtt_addr
, size
/ RADEON_GPU_PAGE_SIZE
, &fence
);
173 r
= radeon_copy_blit(rdev
, vram_addr
, gtt_addr
, size
/ RADEON_GPU_PAGE_SIZE
, &fence
);
175 DRM_ERROR("Failed VRAM->GTT copy %d\n", i
);
176 goto out_lclean_unpin
;
179 r
= radeon_fence_wait(fence
, false);
181 DRM_ERROR("Failed to wait for VRAM->GTT fence %d\n", i
);
182 goto out_lclean_unpin
;
185 radeon_fence_unref(&fence
);
187 r
= radeon_bo_kmap(gtt_obj
[i
], >t_map
);
189 DRM_ERROR("Failed to map GTT object after copy %d\n", i
);
190 goto out_lclean_unpin
;
193 for (gtt_start
= gtt_map
, gtt_end
= gtt_map
+ size
,
194 vram_start
= vram_map
, vram_end
= vram_map
+ size
;
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
,
203 (vram_addr
- rdev
->mc
.vram_start
+
204 (void*)vram_start
- vram_map
),
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
;
213 radeon_bo_kunmap(gtt_obj
[i
]);
215 DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n",
216 gtt_addr
- rdev
->mc
.gtt_start
);
220 radeon_bo_unpin(gtt_obj
[i
]);
222 radeon_bo_unreserve(gtt_obj
[i
]);
224 radeon_bo_unref(>t_obj
[i
]);
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
]);
232 radeon_fence_unref(&fence
);
236 radeon_bo_unpin(vram_obj
);
238 radeon_bo_unreserve(vram_obj
);
240 radeon_bo_unref(&vram_obj
);
244 printk(KERN_WARNING
"Error while testing BO move.\n");
248 void radeon_test_moves(struct radeon_device
*rdev
)
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
);
256 static int radeon_test_create_and_emit_fence(struct radeon_device
*rdev
,
257 struct radeon_ring
*ring
,
258 struct radeon_fence
**fence
)
262 if (ring
->idx
== R600_RING_TYPE_UVD_INDEX
) {
263 r
= radeon_uvd_get_create_msg(rdev
, ring
->idx
, 1, NULL
);
265 DRM_ERROR("Failed to get dummy create msg\n");
269 r
= radeon_uvd_get_destroy_msg(rdev
, ring
->idx
, 1, fence
);
271 DRM_ERROR("Failed to get dummy destroy msg\n");
275 r
= radeon_ring_lock(rdev
, ring
, 64);
277 DRM_ERROR("Failed to lock ring A %d\n", ring
->idx
);
280 radeon_fence_emit(rdev
, fence
, ring
->idx
);
281 radeon_ring_unlock_commit(rdev
, ring
);
286 void radeon_test_ring_sync(struct radeon_device
*rdev
,
287 struct radeon_ring
*ringA
,
288 struct radeon_ring
*ringB
)
290 struct radeon_fence
*fence1
= NULL
, *fence2
= NULL
;
291 struct radeon_semaphore
*semaphore
= NULL
;
294 r
= radeon_semaphore_create(rdev
, &semaphore
);
296 DRM_ERROR("Failed to create semaphore\n");
300 r
= radeon_ring_lock(rdev
, ringA
, 64);
302 DRM_ERROR("Failed to lock ring A %d\n", ringA
->idx
);
305 radeon_semaphore_emit_wait(rdev
, ringA
->idx
, semaphore
);
306 radeon_ring_unlock_commit(rdev
, ringA
);
308 r
= radeon_test_create_and_emit_fence(rdev
, ringA
, &fence1
);
312 r
= radeon_ring_lock(rdev
, ringA
, 64);
314 DRM_ERROR("Failed to lock ring A %d\n", ringA
->idx
);
317 radeon_semaphore_emit_wait(rdev
, ringA
->idx
, semaphore
);
318 radeon_ring_unlock_commit(rdev
, ringA
);
320 r
= radeon_test_create_and_emit_fence(rdev
, ringA
, &fence2
);
326 if (radeon_fence_signaled(fence1
)) {
327 DRM_ERROR("Fence 1 signaled without waiting for semaphore.\n");
331 r
= radeon_ring_lock(rdev
, ringB
, 64);
333 DRM_ERROR("Failed to lock ring B %p\n", ringB
);
336 radeon_semaphore_emit_signal(rdev
, ringB
->idx
, semaphore
);
337 radeon_ring_unlock_commit(rdev
, ringB
);
339 r
= radeon_fence_wait(fence1
, false);
341 DRM_ERROR("Failed to wait for sync fence 1\n");
347 if (radeon_fence_signaled(fence2
)) {
348 DRM_ERROR("Fence 2 signaled without waiting for semaphore.\n");
352 r
= radeon_ring_lock(rdev
, ringB
, 64);
354 DRM_ERROR("Failed to lock ring B %p\n", ringB
);
357 radeon_semaphore_emit_signal(rdev
, ringB
->idx
, semaphore
);
358 radeon_ring_unlock_commit(rdev
, ringB
);
360 r
= radeon_fence_wait(fence2
, false);
362 DRM_ERROR("Failed to wait for sync fence 1\n");
367 radeon_semaphore_free(rdev
, &semaphore
, NULL
);
370 radeon_fence_unref(&fence1
);
373 radeon_fence_unref(&fence2
);
376 printk(KERN_WARNING
"Error while testing ring sync (%d).\n", r
);
379 static void radeon_test_ring_sync2(struct radeon_device
*rdev
,
380 struct radeon_ring
*ringA
,
381 struct radeon_ring
*ringB
,
382 struct radeon_ring
*ringC
)
384 struct radeon_fence
*fenceA
= NULL
, *fenceB
= NULL
;
385 struct radeon_semaphore
*semaphore
= NULL
;
389 r
= radeon_semaphore_create(rdev
, &semaphore
);
391 DRM_ERROR("Failed to create semaphore\n");
395 r
= radeon_ring_lock(rdev
, ringA
, 64);
397 DRM_ERROR("Failed to lock ring A %d\n", ringA
->idx
);
400 radeon_semaphore_emit_wait(rdev
, ringA
->idx
, semaphore
);
401 radeon_ring_unlock_commit(rdev
, ringA
);
403 r
= radeon_test_create_and_emit_fence(rdev
, ringA
, &fenceA
);
407 r
= radeon_ring_lock(rdev
, ringB
, 64);
409 DRM_ERROR("Failed to lock ring B %d\n", ringB
->idx
);
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
);
420 if (radeon_fence_signaled(fenceA
)) {
421 DRM_ERROR("Fence A signaled without waiting for semaphore.\n");
424 if (radeon_fence_signaled(fenceB
)) {
425 DRM_ERROR("Fence B signaled without waiting for semaphore.\n");
429 r
= radeon_ring_lock(rdev
, ringC
, 64);
431 DRM_ERROR("Failed to lock ring B %p\n", ringC
);
434 radeon_semaphore_emit_signal(rdev
, ringC
->idx
, semaphore
);
435 radeon_ring_unlock_commit(rdev
, ringC
);
437 for (i
= 0; i
< 30; ++i
) {
439 sigA
= radeon_fence_signaled(fenceA
);
440 sigB
= radeon_fence_signaled(fenceB
);
445 if (!sigA
&& !sigB
) {
446 DRM_ERROR("Neither fence A nor B has been signaled\n");
448 } else if (sigA
&& sigB
) {
449 DRM_ERROR("Both fence A and B has been signaled\n");
453 DRM_INFO("Fence %c was first signaled\n", sigA
? 'A' : 'B');
455 r
= radeon_ring_lock(rdev
, ringC
, 64);
457 DRM_ERROR("Failed to lock ring B %p\n", ringC
);
460 radeon_semaphore_emit_signal(rdev
, ringC
->idx
, semaphore
);
461 radeon_ring_unlock_commit(rdev
, ringC
);
465 r
= radeon_fence_wait(fenceA
, false);
467 DRM_ERROR("Failed to wait for sync fence A\n");
470 r
= radeon_fence_wait(fenceB
, false);
472 DRM_ERROR("Failed to wait for sync fence B\n");
477 radeon_semaphore_free(rdev
, &semaphore
, NULL
);
480 radeon_fence_unref(&fenceA
);
483 radeon_fence_unref(&fenceB
);
486 printk(KERN_WARNING
"Error while testing ring sync (%d).\n", r
);
489 void radeon_test_syncing(struct radeon_device
*rdev
)
493 for (i
= 1; i
< RADEON_NUM_RINGS
; ++i
) {
494 struct radeon_ring
*ringA
= &rdev
->ring
[i
];
498 for (j
= 0; j
< i
; ++j
) {
499 struct radeon_ring
*ringB
= &rdev
->ring
[j
];
503 DRM_INFO("Testing syncing between rings %d and %d...\n", i
, j
);
504 radeon_test_ring_sync(rdev
, ringA
, ringB
);
506 DRM_INFO("Testing syncing between rings %d and %d...\n", j
, i
);
507 radeon_test_ring_sync(rdev
, ringB
, ringA
);
509 for (k
= 0; k
< j
; ++k
) {
510 struct radeon_ring
*ringC
= &rdev
->ring
[k
];
514 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", i
, j
, k
);
515 radeon_test_ring_sync2(rdev
, ringA
, ringB
, ringC
);
517 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", i
, k
, j
);
518 radeon_test_ring_sync2(rdev
, ringA
, ringC
, ringB
);
520 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", j
, i
, k
);
521 radeon_test_ring_sync2(rdev
, ringB
, ringA
, ringC
);
523 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", j
, k
, i
);
524 radeon_test_ring_sync2(rdev
, ringB
, ringC
, ringA
);
526 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", k
, i
, j
);
527 radeon_test_ring_sync2(rdev
, ringC
, ringA
, ringB
);
529 DRM_INFO("Testing syncing between rings %d, %d and %d...\n", k
, j
, i
);
530 radeon_test_ring_sync2(rdev
, ringC
, ringB
, ringA
);