Commit | Line | Data |
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6ee73861 BS |
1 | /* |
2 | * Copyright (C) 2008 Ben Skeggs. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining | |
6 | * a copy of this software and associated documentation files (the | |
7 | * "Software"), to deal in the Software without restriction, including | |
8 | * without limitation the rights to use, copy, modify, merge, publish, | |
9 | * distribute, sublicense, and/or sell copies of the Software, and to | |
10 | * permit persons to whom the Software is furnished to do so, subject to | |
11 | * the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice (including the | |
14 | * next paragraph) shall be included in all copies or substantial | |
15 | * portions of the Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
20 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE | |
21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | |
22 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
23 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
24 | * | |
25 | */ | |
6ee73861 | 26 | |
ebb945a9 | 27 | #include "nouveau_drm.h" |
6ee73861 | 28 | #include "nouveau_dma.h" |
d375e7d5 | 29 | #include "nouveau_fence.h" |
ebb945a9 | 30 | #include "nouveau_abi16.h" |
6ee73861 | 31 | |
ebb945a9 BS |
32 | #include "nouveau_ttm.h" |
33 | #include "nouveau_gem.h" | |
6ee73861 | 34 | |
6ee73861 BS |
35 | void |
36 | nouveau_gem_object_del(struct drm_gem_object *gem) | |
37 | { | |
55fb74ad | 38 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
5cc8d536 | 39 | struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev); |
6ee73861 | 40 | struct ttm_buffer_object *bo = &nvbo->bo; |
5cc8d536 BS |
41 | struct device *dev = drm->dev->dev; |
42 | int ret; | |
43 | ||
44 | ret = pm_runtime_get_sync(dev); | |
45 | if (WARN_ON(ret < 0 && ret != -EACCES)) | |
46 | return; | |
6ee73861 | 47 | |
22b33e8e DA |
48 | if (gem->import_attach) |
49 | drm_prime_gem_destroy(gem, nvbo->bo.sg); | |
50 | ||
fd632aa3 | 51 | drm_gem_object_release(gem); |
55fb74ad DH |
52 | |
53 | /* reset filp so nouveau_bo_del_ttm() can test for it */ | |
54 | gem->filp = NULL; | |
55 | ttm_bo_unref(&bo); | |
5cc8d536 BS |
56 | |
57 | pm_runtime_mark_last_busy(dev); | |
58 | pm_runtime_put_autosuspend(dev); | |
6ee73861 BS |
59 | } |
60 | ||
639212d0 BS |
61 | int |
62 | nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv) | |
63 | { | |
ebb945a9 | 64 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
2fd3db6f | 65 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
5cc8d536 | 66 | struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev); |
be83cd4e | 67 | struct nvkm_vma *vma; |
5cc8d536 | 68 | struct device *dev = drm->dev->dev; |
2fd3db6f | 69 | int ret; |
639212d0 | 70 | |
3ee6f5b5 | 71 | if (!cli->vm) |
639212d0 BS |
72 | return 0; |
73 | ||
ee3939e0 | 74 | ret = ttm_bo_reserve(&nvbo->bo, false, false, false, NULL); |
2fd3db6f BS |
75 | if (ret) |
76 | return ret; | |
77 | ||
3ee6f5b5 | 78 | vma = nouveau_bo_vma_find(nvbo, cli->vm); |
2fd3db6f BS |
79 | if (!vma) { |
80 | vma = kzalloc(sizeof(*vma), GFP_KERNEL); | |
81 | if (!vma) { | |
82 | ret = -ENOMEM; | |
83 | goto out; | |
84 | } | |
85 | ||
5cc8d536 BS |
86 | ret = pm_runtime_get_sync(dev); |
87 | if (ret < 0 && ret != -EACCES) | |
88 | goto out; | |
89 | ||
3ee6f5b5 | 90 | ret = nouveau_bo_vma_add(nvbo, cli->vm, vma); |
5cc8d536 | 91 | if (ret) |
2fd3db6f | 92 | kfree(vma); |
5cc8d536 BS |
93 | |
94 | pm_runtime_mark_last_busy(dev); | |
95 | pm_runtime_put_autosuspend(dev); | |
2fd3db6f BS |
96 | } else { |
97 | vma->refcount++; | |
98 | } | |
99 | ||
100 | out: | |
101 | ttm_bo_unreserve(&nvbo->bo); | |
102 | return ret; | |
639212d0 BS |
103 | } |
104 | ||
c4c7044f BS |
105 | static void |
106 | nouveau_gem_object_delete(void *data) | |
107 | { | |
be83cd4e BS |
108 | struct nvkm_vma *vma = data; |
109 | nvkm_vm_unmap(vma); | |
110 | nvkm_vm_put(vma); | |
c4c7044f BS |
111 | kfree(vma); |
112 | } | |
113 | ||
114 | static void | |
be83cd4e | 115 | nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nvkm_vma *vma) |
c4c7044f BS |
116 | { |
117 | const bool mapped = nvbo->bo.mem.mem_type != TTM_PL_SYSTEM; | |
809e9447 ML |
118 | struct reservation_object *resv = nvbo->bo.resv; |
119 | struct reservation_object_list *fobj; | |
f2c24b83 | 120 | struct fence *fence = NULL; |
c4c7044f | 121 | |
809e9447 ML |
122 | fobj = reservation_object_get_list(resv); |
123 | ||
c4c7044f BS |
124 | list_del(&vma->head); |
125 | ||
809e9447 ML |
126 | if (fobj && fobj->shared_count > 1) |
127 | ttm_bo_wait(&nvbo->bo, true, false, false); | |
128 | else if (fobj && fobj->shared_count == 1) | |
129 | fence = rcu_dereference_protected(fobj->shared[0], | |
130 | reservation_object_held(resv)); | |
131 | else | |
f2c24b83 | 132 | fence = reservation_object_get_excl(nvbo->bo.resv); |
c4c7044f | 133 | |
809e9447 | 134 | if (fence && mapped) { |
c4c7044f BS |
135 | nouveau_fence_work(fence, nouveau_gem_object_delete, vma); |
136 | } else { | |
137 | if (mapped) | |
be83cd4e BS |
138 | nvkm_vm_unmap(vma); |
139 | nvkm_vm_put(vma); | |
c4c7044f BS |
140 | kfree(vma); |
141 | } | |
c4c7044f BS |
142 | } |
143 | ||
639212d0 BS |
144 | void |
145 | nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv) | |
146 | { | |
ebb945a9 | 147 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
2fd3db6f | 148 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
5cc8d536 BS |
149 | struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev); |
150 | struct device *dev = drm->dev->dev; | |
be83cd4e | 151 | struct nvkm_vma *vma; |
2fd3db6f | 152 | int ret; |
639212d0 | 153 | |
3ee6f5b5 | 154 | if (!cli->vm) |
639212d0 | 155 | return; |
2fd3db6f | 156 | |
ee3939e0 | 157 | ret = ttm_bo_reserve(&nvbo->bo, false, false, false, NULL); |
2fd3db6f BS |
158 | if (ret) |
159 | return; | |
160 | ||
3ee6f5b5 | 161 | vma = nouveau_bo_vma_find(nvbo, cli->vm); |
2fd3db6f | 162 | if (vma) { |
5cc8d536 BS |
163 | if (--vma->refcount == 0) { |
164 | ret = pm_runtime_get_sync(dev); | |
165 | if (!WARN_ON(ret < 0 && ret != -EACCES)) { | |
166 | nouveau_gem_object_unmap(nvbo, vma); | |
167 | pm_runtime_mark_last_busy(dev); | |
168 | pm_runtime_put_autosuspend(dev); | |
169 | } | |
170 | } | |
2fd3db6f BS |
171 | } |
172 | ttm_bo_unreserve(&nvbo->bo); | |
639212d0 BS |
173 | } |
174 | ||
6ee73861 | 175 | int |
f6d4e621 BS |
176 | nouveau_gem_new(struct drm_device *dev, int size, int align, uint32_t domain, |
177 | uint32_t tile_mode, uint32_t tile_flags, | |
178 | struct nouveau_bo **pnvbo) | |
6ee73861 | 179 | { |
ebb945a9 | 180 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 | 181 | struct nouveau_bo *nvbo; |
6ba9a683 | 182 | u32 flags = 0; |
6ee73861 BS |
183 | int ret; |
184 | ||
6ba9a683 BS |
185 | if (domain & NOUVEAU_GEM_DOMAIN_VRAM) |
186 | flags |= TTM_PL_FLAG_VRAM; | |
187 | if (domain & NOUVEAU_GEM_DOMAIN_GART) | |
188 | flags |= TTM_PL_FLAG_TT; | |
189 | if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU) | |
190 | flags |= TTM_PL_FLAG_SYSTEM; | |
191 | ||
996f545f AC |
192 | if (domain & NOUVEAU_GEM_DOMAIN_COHERENT) |
193 | flags |= TTM_PL_FLAG_UNCACHED; | |
194 | ||
7375c95b | 195 | ret = nouveau_bo_new(dev, size, align, flags, tile_mode, |
bb6178b0 | 196 | tile_flags, NULL, NULL, pnvbo); |
6ee73861 BS |
197 | if (ret) |
198 | return ret; | |
199 | nvbo = *pnvbo; | |
200 | ||
db5c8e29 BS |
201 | /* we restrict allowed domains on nv50+ to only the types |
202 | * that were requested at creation time. not possibly on | |
203 | * earlier chips without busting the ABI. | |
204 | */ | |
205 | nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM | | |
206 | NOUVEAU_GEM_DOMAIN_GART; | |
967e7bde | 207 | if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) |
db5c8e29 BS |
208 | nvbo->valid_domains &= domain; |
209 | ||
55fb74ad DH |
210 | /* Initialize the embedded gem-object. We return a single gem-reference |
211 | * to the caller, instead of a normal nouveau_bo ttm reference. */ | |
212 | ret = drm_gem_object_init(dev, &nvbo->gem, nvbo->bo.mem.size); | |
213 | if (ret) { | |
6ee73861 BS |
214 | nouveau_bo_ref(NULL, pnvbo); |
215 | return -ENOMEM; | |
216 | } | |
217 | ||
55fb74ad | 218 | nvbo->bo.persistent_swap_storage = nvbo->gem.filp; |
6ee73861 BS |
219 | return 0; |
220 | } | |
221 | ||
222 | static int | |
e758a311 BS |
223 | nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem, |
224 | struct drm_nouveau_gem_info *rep) | |
6ee73861 | 225 | { |
ebb945a9 | 226 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
6ee73861 | 227 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
be83cd4e | 228 | struct nvkm_vma *vma; |
6ee73861 BS |
229 | |
230 | if (nvbo->bo.mem.mem_type == TTM_PL_TT) | |
231 | rep->domain = NOUVEAU_GEM_DOMAIN_GART; | |
232 | else | |
233 | rep->domain = NOUVEAU_GEM_DOMAIN_VRAM; | |
234 | ||
e758a311 | 235 | rep->offset = nvbo->bo.offset; |
3ee6f5b5 BS |
236 | if (cli->vm) { |
237 | vma = nouveau_bo_vma_find(nvbo, cli->vm); | |
e758a311 BS |
238 | if (!vma) |
239 | return -EINVAL; | |
240 | ||
241 | rep->offset = vma->offset; | |
242 | } | |
243 | ||
6ee73861 | 244 | rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT; |
72525b3f | 245 | rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.vma_node); |
6ee73861 BS |
246 | rep->tile_mode = nvbo->tile_mode; |
247 | rep->tile_flags = nvbo->tile_flags; | |
248 | return 0; | |
249 | } | |
250 | ||
6ee73861 BS |
251 | int |
252 | nouveau_gem_ioctl_new(struct drm_device *dev, void *data, | |
253 | struct drm_file *file_priv) | |
254 | { | |
ebb945a9 | 255 | struct nouveau_drm *drm = nouveau_drm(dev); |
a84fa1a3 | 256 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
be83cd4e | 257 | struct nvkm_fb *pfb = nvxx_fb(&drm->device); |
6ee73861 BS |
258 | struct drm_nouveau_gem_new *req = data; |
259 | struct nouveau_bo *nvbo = NULL; | |
6ee73861 BS |
260 | int ret = 0; |
261 | ||
ebb945a9 | 262 | if (!pfb->memtype_valid(pfb, req->info.tile_flags)) { |
fa2bade9 | 263 | NV_PRINTK(error, cli, "bad page flags: 0x%08x\n", req->info.tile_flags); |
6ee73861 | 264 | return -EINVAL; |
60d2a88a | 265 | } |
6ee73861 | 266 | |
f6d4e621 | 267 | ret = nouveau_gem_new(dev, req->info.size, req->align, |
6ba9a683 BS |
268 | req->info.domain, req->info.tile_mode, |
269 | req->info.tile_flags, &nvbo); | |
6ee73861 BS |
270 | if (ret) |
271 | return ret; | |
272 | ||
55fb74ad | 273 | ret = drm_gem_handle_create(file_priv, &nvbo->gem, &req->info.handle); |
e758a311 | 274 | if (ret == 0) { |
55fb74ad | 275 | ret = nouveau_gem_info(file_priv, &nvbo->gem, &req->info); |
e758a311 BS |
276 | if (ret) |
277 | drm_gem_handle_delete(file_priv, req->info.handle); | |
278 | } | |
279 | ||
29d08b3e | 280 | /* drop reference from allocate - handle holds it now */ |
55fb74ad | 281 | drm_gem_object_unreference_unlocked(&nvbo->gem); |
6ee73861 BS |
282 | return ret; |
283 | } | |
284 | ||
285 | static int | |
286 | nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains, | |
287 | uint32_t write_domains, uint32_t valid_domains) | |
288 | { | |
55fb74ad | 289 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
6ee73861 | 290 | struct ttm_buffer_object *bo = &nvbo->bo; |
db5c8e29 | 291 | uint32_t domains = valid_domains & nvbo->valid_domains & |
78ad0f7b FJ |
292 | (write_domains ? write_domains : read_domains); |
293 | uint32_t pref_flags = 0, valid_flags = 0; | |
6ee73861 | 294 | |
78ad0f7b | 295 | if (!domains) |
6ee73861 BS |
296 | return -EINVAL; |
297 | ||
78ad0f7b FJ |
298 | if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) |
299 | valid_flags |= TTM_PL_FLAG_VRAM; | |
300 | ||
301 | if (valid_domains & NOUVEAU_GEM_DOMAIN_GART) | |
302 | valid_flags |= TTM_PL_FLAG_TT; | |
303 | ||
304 | if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) && | |
305 | bo->mem.mem_type == TTM_PL_VRAM) | |
306 | pref_flags |= TTM_PL_FLAG_VRAM; | |
307 | ||
308 | else if ((domains & NOUVEAU_GEM_DOMAIN_GART) && | |
309 | bo->mem.mem_type == TTM_PL_TT) | |
310 | pref_flags |= TTM_PL_FLAG_TT; | |
311 | ||
312 | else if (domains & NOUVEAU_GEM_DOMAIN_VRAM) | |
313 | pref_flags |= TTM_PL_FLAG_VRAM; | |
314 | ||
315 | else | |
316 | pref_flags |= TTM_PL_FLAG_TT; | |
317 | ||
318 | nouveau_bo_placement_set(nvbo, pref_flags, valid_flags); | |
6ee73861 | 319 | |
6ee73861 BS |
320 | return 0; |
321 | } | |
322 | ||
323 | struct validate_op { | |
9242829a | 324 | struct list_head list; |
ecff665f | 325 | struct ww_acquire_ctx ticket; |
6ee73861 BS |
326 | }; |
327 | ||
328 | static void | |
809e9447 ML |
329 | validate_fini_no_ticket(struct validate_op *op, struct nouveau_fence *fence, |
330 | struct drm_nouveau_gem_pushbuf_bo *pbbo) | |
6ee73861 | 331 | { |
6ee73861 | 332 | struct nouveau_bo *nvbo; |
809e9447 | 333 | struct drm_nouveau_gem_pushbuf_bo *b; |
6ee73861 | 334 | |
9242829a ML |
335 | while (!list_empty(&op->list)) { |
336 | nvbo = list_entry(op->list.next, struct nouveau_bo, entry); | |
809e9447 | 337 | b = &pbbo[nvbo->pbbo_index]; |
332b242f | 338 | |
9360bd11 | 339 | if (likely(fence)) |
809e9447 | 340 | nouveau_bo_fence(nvbo, fence, !!b->write_domains); |
6ee73861 | 341 | |
a1606a95 BS |
342 | if (unlikely(nvbo->validate_mapped)) { |
343 | ttm_bo_kunmap(&nvbo->kmap); | |
344 | nvbo->validate_mapped = false; | |
345 | } | |
346 | ||
6ee73861 BS |
347 | list_del(&nvbo->entry); |
348 | nvbo->reserved_by = NULL; | |
9242829a | 349 | ttm_bo_unreserve_ticket(&nvbo->bo, &op->ticket); |
55fb74ad | 350 | drm_gem_object_unreference_unlocked(&nvbo->gem); |
6ee73861 BS |
351 | } |
352 | } | |
353 | ||
ecff665f | 354 | static void |
809e9447 ML |
355 | validate_fini(struct validate_op *op, struct nouveau_fence *fence, |
356 | struct drm_nouveau_gem_pushbuf_bo *pbbo) | |
ecff665f | 357 | { |
809e9447 | 358 | validate_fini_no_ticket(op, fence, pbbo); |
ecff665f | 359 | ww_acquire_fini(&op->ticket); |
6ee73861 BS |
360 | } |
361 | ||
362 | static int | |
363 | validate_init(struct nouveau_channel *chan, struct drm_file *file_priv, | |
364 | struct drm_nouveau_gem_pushbuf_bo *pbbo, | |
365 | int nr_buffers, struct validate_op *op) | |
366 | { | |
a84fa1a3 | 367 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
ebb945a9 | 368 | struct drm_device *dev = chan->drm->dev; |
6ee73861 BS |
369 | int trycnt = 0; |
370 | int ret, i; | |
c354c893 | 371 | struct nouveau_bo *res_bo = NULL; |
9242829a ML |
372 | LIST_HEAD(gart_list); |
373 | LIST_HEAD(vram_list); | |
374 | LIST_HEAD(both_list); | |
6ee73861 | 375 | |
ecff665f | 376 | ww_acquire_init(&op->ticket, &reservation_ww_class); |
6ee73861 BS |
377 | retry: |
378 | if (++trycnt > 100000) { | |
fa2bade9 | 379 | NV_PRINTK(error, cli, "%s failed and gave up.\n", __func__); |
6ee73861 BS |
380 | return -EINVAL; |
381 | } | |
382 | ||
383 | for (i = 0; i < nr_buffers; i++) { | |
384 | struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i]; | |
385 | struct drm_gem_object *gem; | |
386 | struct nouveau_bo *nvbo; | |
387 | ||
388 | gem = drm_gem_object_lookup(dev, file_priv, b->handle); | |
389 | if (!gem) { | |
fa2bade9 | 390 | NV_PRINTK(error, cli, "Unknown handle 0x%08x\n", b->handle); |
9242829a ML |
391 | ret = -ENOENT; |
392 | break; | |
6ee73861 | 393 | } |
55fb74ad | 394 | nvbo = nouveau_gem_object(gem); |
c354c893 ML |
395 | if (nvbo == res_bo) { |
396 | res_bo = NULL; | |
397 | drm_gem_object_unreference_unlocked(gem); | |
398 | continue; | |
399 | } | |
6ee73861 BS |
400 | |
401 | if (nvbo->reserved_by && nvbo->reserved_by == file_priv) { | |
fa2bade9 | 402 | NV_PRINTK(error, cli, "multiple instances of buffer %d on " |
6ee73861 | 403 | "validation list\n", b->handle); |
5086f69e | 404 | drm_gem_object_unreference_unlocked(gem); |
9242829a ML |
405 | ret = -EINVAL; |
406 | break; | |
6ee73861 BS |
407 | } |
408 | ||
ecff665f | 409 | ret = ttm_bo_reserve(&nvbo->bo, true, false, true, &op->ticket); |
6ee73861 | 410 | if (ret) { |
9242829a ML |
411 | list_splice_tail_init(&vram_list, &op->list); |
412 | list_splice_tail_init(&gart_list, &op->list); | |
413 | list_splice_tail_init(&both_list, &op->list); | |
809e9447 | 414 | validate_fini_no_ticket(op, NULL, NULL); |
5e338405 | 415 | if (unlikely(ret == -EDEADLK)) { |
c354c893 | 416 | ret = ttm_bo_reserve_slowpath(&nvbo->bo, true, |
ecff665f | 417 | &op->ticket); |
c354c893 ML |
418 | if (!ret) |
419 | res_bo = nvbo; | |
420 | } | |
938c40ed BS |
421 | if (unlikely(ret)) { |
422 | if (ret != -ERESTARTSYS) | |
fa2bade9 | 423 | NV_PRINTK(error, cli, "fail reserve\n"); |
9242829a | 424 | break; |
a1606a95 | 425 | } |
6ee73861 BS |
426 | } |
427 | ||
a1606a95 | 428 | b->user_priv = (uint64_t)(unsigned long)nvbo; |
6ee73861 BS |
429 | nvbo->reserved_by = file_priv; |
430 | nvbo->pbbo_index = i; | |
431 | if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) && | |
432 | (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)) | |
9242829a | 433 | list_add_tail(&nvbo->entry, &both_list); |
6ee73861 BS |
434 | else |
435 | if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) | |
9242829a | 436 | list_add_tail(&nvbo->entry, &vram_list); |
6ee73861 BS |
437 | else |
438 | if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART) | |
9242829a | 439 | list_add_tail(&nvbo->entry, &gart_list); |
6ee73861 | 440 | else { |
fa2bade9 | 441 | NV_PRINTK(error, cli, "invalid valid domains: 0x%08x\n", |
6ee73861 | 442 | b->valid_domains); |
9242829a ML |
443 | list_add_tail(&nvbo->entry, &both_list); |
444 | ret = -EINVAL; | |
445 | break; | |
6ee73861 | 446 | } |
c354c893 ML |
447 | if (nvbo == res_bo) |
448 | goto retry; | |
6ee73861 BS |
449 | } |
450 | ||
ecff665f | 451 | ww_acquire_done(&op->ticket); |
9242829a ML |
452 | list_splice_tail(&vram_list, &op->list); |
453 | list_splice_tail(&gart_list, &op->list); | |
454 | list_splice_tail(&both_list, &op->list); | |
455 | if (ret) | |
809e9447 | 456 | validate_fini(op, NULL, NULL); |
9242829a ML |
457 | return ret; |
458 | ||
6ee73861 BS |
459 | } |
460 | ||
461 | static int | |
a84fa1a3 MS |
462 | validate_list(struct nouveau_channel *chan, struct nouveau_cli *cli, |
463 | struct list_head *list, struct drm_nouveau_gem_pushbuf_bo *pbbo, | |
464 | uint64_t user_pbbo_ptr) | |
6ee73861 | 465 | { |
ebb945a9 | 466 | struct nouveau_drm *drm = chan->drm; |
6ee73861 BS |
467 | struct drm_nouveau_gem_pushbuf_bo __user *upbbo = |
468 | (void __force __user *)(uintptr_t)user_pbbo_ptr; | |
469 | struct nouveau_bo *nvbo; | |
470 | int ret, relocs = 0; | |
471 | ||
472 | list_for_each_entry(nvbo, list, entry) { | |
473 | struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index]; | |
6ee73861 | 474 | |
55fb74ad | 475 | ret = nouveau_gem_set_domain(&nvbo->gem, b->read_domains, |
6ee73861 BS |
476 | b->write_domains, |
477 | b->valid_domains); | |
a1606a95 | 478 | if (unlikely(ret)) { |
fa2bade9 | 479 | NV_PRINTK(error, cli, "fail set_domain\n"); |
6ee73861 | 480 | return ret; |
a1606a95 | 481 | } |
6ee73861 | 482 | |
97a875cb | 483 | ret = nouveau_bo_validate(nvbo, true, false); |
a1606a95 | 484 | if (unlikely(ret)) { |
938c40ed | 485 | if (ret != -ERESTARTSYS) |
fa2bade9 | 486 | NV_PRINTK(error, cli, "fail ttm_validate\n"); |
6ee73861 | 487 | return ret; |
a1606a95 | 488 | } |
6ee73861 | 489 | |
e3be4c23 | 490 | ret = nouveau_fence_sync(nvbo, chan, !!b->write_domains, true); |
415e6186 | 491 | if (unlikely(ret)) { |
29ba89b2 ML |
492 | if (ret != -ERESTARTSYS) |
493 | NV_PRINTK(error, cli, "fail post-validate sync\n"); | |
415e6186 BS |
494 | return ret; |
495 | } | |
496 | ||
967e7bde | 497 | if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) { |
a3fcd0a9 BS |
498 | if (nvbo->bo.offset == b->presumed.offset && |
499 | ((nvbo->bo.mem.mem_type == TTM_PL_VRAM && | |
500 | b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) || | |
501 | (nvbo->bo.mem.mem_type == TTM_PL_TT && | |
502 | b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART))) | |
503 | continue; | |
504 | ||
505 | if (nvbo->bo.mem.mem_type == TTM_PL_TT) | |
506 | b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART; | |
507 | else | |
508 | b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM; | |
509 | b->presumed.offset = nvbo->bo.offset; | |
510 | b->presumed.valid = 0; | |
511 | relocs++; | |
512 | ||
1d6ac185 | 513 | if (copy_to_user(&upbbo[nvbo->pbbo_index].presumed, |
a3fcd0a9 BS |
514 | &b->presumed, sizeof(b->presumed))) |
515 | return -EFAULT; | |
516 | } | |
6ee73861 BS |
517 | } |
518 | ||
519 | return relocs; | |
520 | } | |
521 | ||
522 | static int | |
523 | nouveau_gem_pushbuf_validate(struct nouveau_channel *chan, | |
524 | struct drm_file *file_priv, | |
525 | struct drm_nouveau_gem_pushbuf_bo *pbbo, | |
526 | uint64_t user_buffers, int nr_buffers, | |
527 | struct validate_op *op, int *apply_relocs) | |
528 | { | |
a84fa1a3 | 529 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
9242829a | 530 | int ret; |
6ee73861 | 531 | |
9242829a | 532 | INIT_LIST_HEAD(&op->list); |
6ee73861 | 533 | |
6ee73861 BS |
534 | if (nr_buffers == 0) |
535 | return 0; | |
536 | ||
537 | ret = validate_init(chan, file_priv, pbbo, nr_buffers, op); | |
a1606a95 | 538 | if (unlikely(ret)) { |
938c40ed | 539 | if (ret != -ERESTARTSYS) |
fa2bade9 | 540 | NV_PRINTK(error, cli, "validate_init\n"); |
6ee73861 | 541 | return ret; |
a1606a95 | 542 | } |
6ee73861 | 543 | |
9242829a | 544 | ret = validate_list(chan, cli, &op->list, pbbo, user_buffers); |
6ee73861 | 545 | if (unlikely(ret < 0)) { |
938c40ed | 546 | if (ret != -ERESTARTSYS) |
9242829a | 547 | NV_PRINTK(error, cli, "validating bo list\n"); |
809e9447 | 548 | validate_fini(op, NULL, NULL); |
6ee73861 BS |
549 | return ret; |
550 | } | |
9242829a | 551 | *apply_relocs = ret; |
6ee73861 BS |
552 | return 0; |
553 | } | |
554 | ||
c859074e ML |
555 | static inline void |
556 | u_free(void *addr) | |
557 | { | |
48a20138 | 558 | kvfree(addr); |
c859074e ML |
559 | } |
560 | ||
6ee73861 BS |
561 | static inline void * |
562 | u_memcpya(uint64_t user, unsigned nmemb, unsigned size) | |
563 | { | |
564 | void *mem; | |
565 | void __user *userptr = (void __force __user *)(uintptr_t)user; | |
566 | ||
c859074e ML |
567 | size *= nmemb; |
568 | ||
569 | mem = kmalloc(size, GFP_KERNEL | __GFP_NOWARN); | |
570 | if (!mem) | |
571 | mem = vmalloc(size); | |
6ee73861 BS |
572 | if (!mem) |
573 | return ERR_PTR(-ENOMEM); | |
574 | ||
1d6ac185 | 575 | if (copy_from_user(mem, userptr, size)) { |
c859074e | 576 | u_free(mem); |
6ee73861 BS |
577 | return ERR_PTR(-EFAULT); |
578 | } | |
579 | ||
580 | return mem; | |
581 | } | |
582 | ||
583 | static int | |
a84fa1a3 | 584 | nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli, |
a1606a95 BS |
585 | struct drm_nouveau_gem_pushbuf *req, |
586 | struct drm_nouveau_gem_pushbuf_bo *bo) | |
6ee73861 BS |
587 | { |
588 | struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL; | |
12f735b7 LB |
589 | int ret = 0; |
590 | unsigned i; | |
6ee73861 | 591 | |
a1606a95 | 592 | reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc)); |
6ee73861 BS |
593 | if (IS_ERR(reloc)) |
594 | return PTR_ERR(reloc); | |
595 | ||
a1606a95 | 596 | for (i = 0; i < req->nr_relocs; i++) { |
6ee73861 BS |
597 | struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i]; |
598 | struct drm_nouveau_gem_pushbuf_bo *b; | |
a1606a95 | 599 | struct nouveau_bo *nvbo; |
6ee73861 BS |
600 | uint32_t data; |
601 | ||
a1606a95 | 602 | if (unlikely(r->bo_index > req->nr_buffers)) { |
fa2bade9 | 603 | NV_PRINTK(error, cli, "reloc bo index invalid\n"); |
6ee73861 BS |
604 | ret = -EINVAL; |
605 | break; | |
606 | } | |
607 | ||
608 | b = &bo[r->bo_index]; | |
a1606a95 | 609 | if (b->presumed.valid) |
6ee73861 BS |
610 | continue; |
611 | ||
a1606a95 | 612 | if (unlikely(r->reloc_bo_index > req->nr_buffers)) { |
fa2bade9 | 613 | NV_PRINTK(error, cli, "reloc container bo index invalid\n"); |
a1606a95 BS |
614 | ret = -EINVAL; |
615 | break; | |
616 | } | |
617 | nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv; | |
618 | ||
619 | if (unlikely(r->reloc_bo_offset + 4 > | |
620 | nvbo->bo.mem.num_pages << PAGE_SHIFT)) { | |
fa2bade9 | 621 | NV_PRINTK(error, cli, "reloc outside of bo\n"); |
a1606a95 BS |
622 | ret = -EINVAL; |
623 | break; | |
624 | } | |
625 | ||
626 | if (!nvbo->kmap.virtual) { | |
627 | ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages, | |
628 | &nvbo->kmap); | |
629 | if (ret) { | |
fa2bade9 | 630 | NV_PRINTK(error, cli, "failed kmap for reloc\n"); |
a1606a95 BS |
631 | break; |
632 | } | |
633 | nvbo->validate_mapped = true; | |
634 | } | |
635 | ||
6ee73861 | 636 | if (r->flags & NOUVEAU_GEM_RELOC_LOW) |
a1606a95 | 637 | data = b->presumed.offset + r->data; |
6ee73861 BS |
638 | else |
639 | if (r->flags & NOUVEAU_GEM_RELOC_HIGH) | |
a1606a95 | 640 | data = (b->presumed.offset + r->data) >> 32; |
6ee73861 BS |
641 | else |
642 | data = r->data; | |
643 | ||
644 | if (r->flags & NOUVEAU_GEM_RELOC_OR) { | |
a1606a95 | 645 | if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART) |
6ee73861 BS |
646 | data |= r->tor; |
647 | else | |
648 | data |= r->vor; | |
649 | } | |
650 | ||
809e9447 | 651 | ret = ttm_bo_wait(&nvbo->bo, true, false, false); |
a1606a95 | 652 | if (ret) { |
fa2bade9 | 653 | NV_PRINTK(error, cli, "reloc wait_idle failed: %d\n", ret); |
a1606a95 BS |
654 | break; |
655 | } | |
a1606a95 BS |
656 | |
657 | nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data); | |
6ee73861 BS |
658 | } |
659 | ||
c859074e | 660 | u_free(reloc); |
6ee73861 BS |
661 | return ret; |
662 | } | |
663 | ||
664 | int | |
665 | nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data, | |
666 | struct drm_file *file_priv) | |
667 | { | |
ebb945a9 | 668 | struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); |
a84fa1a3 | 669 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
ebb945a9 BS |
670 | struct nouveau_abi16_chan *temp; |
671 | struct nouveau_drm *drm = nouveau_drm(dev); | |
6ee73861 | 672 | struct drm_nouveau_gem_pushbuf *req = data; |
a1606a95 BS |
673 | struct drm_nouveau_gem_pushbuf_push *push; |
674 | struct drm_nouveau_gem_pushbuf_bo *bo; | |
ebb945a9 | 675 | struct nouveau_channel *chan = NULL; |
6ee73861 | 676 | struct validate_op op; |
6e86e041 | 677 | struct nouveau_fence *fence = NULL; |
a1606a95 | 678 | int i, j, ret = 0, do_reloc = 0; |
6ee73861 | 679 | |
ebb945a9 BS |
680 | if (unlikely(!abi16)) |
681 | return -ENOMEM; | |
6ee73861 | 682 | |
ebb945a9 | 683 | list_for_each_entry(temp, &abi16->channels, head) { |
0ad72863 | 684 | if (temp->chan->object->handle == (NVDRM_CHAN | req->channel)) { |
ebb945a9 BS |
685 | chan = temp->chan; |
686 | break; | |
687 | } | |
688 | } | |
6ee73861 | 689 | |
ebb945a9 BS |
690 | if (!chan) |
691 | return nouveau_abi16_put(abi16, -ENOENT); | |
692 | ||
693 | req->vram_available = drm->gem.vram_available; | |
694 | req->gart_available = drm->gem.gart_available; | |
a1606a95 BS |
695 | if (unlikely(req->nr_push == 0)) |
696 | goto out_next; | |
6ee73861 | 697 | |
a1606a95 | 698 | if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) { |
fa2bade9 | 699 | NV_PRINTK(error, cli, "pushbuf push count exceeds limit: %d max %d\n", |
a1606a95 | 700 | req->nr_push, NOUVEAU_GEM_MAX_PUSH); |
ebb945a9 | 701 | return nouveau_abi16_put(abi16, -EINVAL); |
6ee73861 BS |
702 | } |
703 | ||
a1606a95 | 704 | if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) { |
fa2bade9 | 705 | NV_PRINTK(error, cli, "pushbuf bo count exceeds limit: %d max %d\n", |
a1606a95 | 706 | req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS); |
ebb945a9 | 707 | return nouveau_abi16_put(abi16, -EINVAL); |
6ee73861 BS |
708 | } |
709 | ||
a1606a95 | 710 | if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) { |
fa2bade9 | 711 | NV_PRINTK(error, cli, "pushbuf reloc count exceeds limit: %d max %d\n", |
a1606a95 | 712 | req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS); |
ebb945a9 | 713 | return nouveau_abi16_put(abi16, -EINVAL); |
6ee73861 BS |
714 | } |
715 | ||
a1606a95 | 716 | push = u_memcpya(req->push, req->nr_push, sizeof(*push)); |
ebb945a9 BS |
717 | if (IS_ERR(push)) |
718 | return nouveau_abi16_put(abi16, PTR_ERR(push)); | |
a1606a95 | 719 | |
6ee73861 | 720 | bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo)); |
a1606a95 | 721 | if (IS_ERR(bo)) { |
c859074e | 722 | u_free(push); |
ebb945a9 | 723 | return nouveau_abi16_put(abi16, PTR_ERR(bo)); |
a1606a95 | 724 | } |
6ee73861 | 725 | |
accf9496 | 726 | /* Ensure all push buffers are on validate list */ |
415e6186 BS |
727 | for (i = 0; i < req->nr_push; i++) { |
728 | if (push[i].bo_index >= req->nr_buffers) { | |
fa2bade9 | 729 | NV_PRINTK(error, cli, "push %d buffer not in list\n", i); |
415e6186 | 730 | ret = -EINVAL; |
7fa0cba2 | 731 | goto out_prevalid; |
415e6186 | 732 | } |
415e6186 BS |
733 | } |
734 | ||
6ee73861 BS |
735 | /* Validate buffer list */ |
736 | ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers, | |
737 | req->nr_buffers, &op, &do_reloc); | |
738 | if (ret) { | |
938c40ed | 739 | if (ret != -ERESTARTSYS) |
fa2bade9 | 740 | NV_PRINTK(error, cli, "validate: %d\n", ret); |
7fa0cba2 | 741 | goto out_prevalid; |
6ee73861 BS |
742 | } |
743 | ||
6ee73861 BS |
744 | /* Apply any relocations that are required */ |
745 | if (do_reloc) { | |
a84fa1a3 | 746 | ret = nouveau_gem_pushbuf_reloc_apply(cli, req, bo); |
6ee73861 | 747 | if (ret) { |
fa2bade9 | 748 | NV_PRINTK(error, cli, "reloc apply: %d\n", ret); |
6ee73861 BS |
749 | goto out; |
750 | } | |
6ee73861 | 751 | } |
6ee73861 | 752 | |
9a391ad8 | 753 | if (chan->dma.ib_max) { |
5e120f6e | 754 | ret = nouveau_dma_wait(chan, req->nr_push + 1, 16); |
6ee73861 | 755 | if (ret) { |
fa2bade9 | 756 | NV_PRINTK(error, cli, "nv50cal_space: %d\n", ret); |
6ee73861 BS |
757 | goto out; |
758 | } | |
6ee73861 | 759 | |
a1606a95 BS |
760 | for (i = 0; i < req->nr_push; i++) { |
761 | struct nouveau_bo *nvbo = (void *)(unsigned long) | |
762 | bo[push[i].bo_index].user_priv; | |
763 | ||
764 | nv50_dma_push(chan, nvbo, push[i].offset, | |
765 | push[i].length); | |
766 | } | |
9a391ad8 | 767 | } else |
967e7bde | 768 | if (drm->device.info.chipset >= 0x25) { |
a1606a95 | 769 | ret = RING_SPACE(chan, req->nr_push * 2); |
6ee73861 | 770 | if (ret) { |
fa2bade9 | 771 | NV_PRINTK(error, cli, "cal_space: %d\n", ret); |
6ee73861 BS |
772 | goto out; |
773 | } | |
a1606a95 BS |
774 | |
775 | for (i = 0; i < req->nr_push; i++) { | |
776 | struct nouveau_bo *nvbo = (void *)(unsigned long) | |
777 | bo[push[i].bo_index].user_priv; | |
a1606a95 | 778 | |
3a92d37e | 779 | OUT_RING(chan, (nvbo->bo.offset + push[i].offset) | 2); |
a1606a95 BS |
780 | OUT_RING(chan, 0); |
781 | } | |
6ee73861 | 782 | } else { |
a1606a95 | 783 | ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS)); |
6ee73861 | 784 | if (ret) { |
fa2bade9 | 785 | NV_PRINTK(error, cli, "jmp_space: %d\n", ret); |
6ee73861 BS |
786 | goto out; |
787 | } | |
6ee73861 | 788 | |
a1606a95 BS |
789 | for (i = 0; i < req->nr_push; i++) { |
790 | struct nouveau_bo *nvbo = (void *)(unsigned long) | |
791 | bo[push[i].bo_index].user_priv; | |
a1606a95 BS |
792 | uint32_t cmd; |
793 | ||
ebb945a9 | 794 | cmd = chan->push.vma.offset + ((chan->dma.cur + 2) << 2); |
a1606a95 BS |
795 | cmd |= 0x20000000; |
796 | if (unlikely(cmd != req->suffix0)) { | |
797 | if (!nvbo->kmap.virtual) { | |
798 | ret = ttm_bo_kmap(&nvbo->bo, 0, | |
799 | nvbo->bo.mem. | |
800 | num_pages, | |
801 | &nvbo->kmap); | |
802 | if (ret) { | |
803 | WIND_RING(chan); | |
804 | goto out; | |
805 | } | |
806 | nvbo->validate_mapped = true; | |
807 | } | |
808 | ||
809 | nouveau_bo_wr32(nvbo, (push[i].offset + | |
810 | push[i].length - 8) / 4, cmd); | |
811 | } | |
812 | ||
3a92d37e BS |
813 | OUT_RING(chan, 0x20000000 | |
814 | (nvbo->bo.offset + push[i].offset)); | |
6ee73861 | 815 | OUT_RING(chan, 0); |
a1606a95 BS |
816 | for (j = 0; j < NOUVEAU_DMA_SKIPS; j++) |
817 | OUT_RING(chan, 0); | |
818 | } | |
6ee73861 BS |
819 | } |
820 | ||
264ce192 | 821 | ret = nouveau_fence_new(chan, false, &fence); |
6ee73861 | 822 | if (ret) { |
fa2bade9 | 823 | NV_PRINTK(error, cli, "error fencing pushbuf: %d\n", ret); |
6ee73861 BS |
824 | WIND_RING(chan); |
825 | goto out; | |
826 | } | |
827 | ||
828 | out: | |
809e9447 | 829 | validate_fini(&op, fence, bo); |
382d62e5 | 830 | nouveau_fence_unref(&fence); |
7fa0cba2 MS |
831 | |
832 | out_prevalid: | |
c859074e ML |
833 | u_free(bo); |
834 | u_free(push); | |
6ee73861 BS |
835 | |
836 | out_next: | |
9a391ad8 BS |
837 | if (chan->dma.ib_max) { |
838 | req->suffix0 = 0x00000000; | |
839 | req->suffix1 = 0x00000000; | |
840 | } else | |
967e7bde | 841 | if (drm->device.info.chipset >= 0x25) { |
6ee73861 BS |
842 | req->suffix0 = 0x00020000; |
843 | req->suffix1 = 0x00000000; | |
844 | } else { | |
845 | req->suffix0 = 0x20000000 | | |
ebb945a9 | 846 | (chan->push.vma.offset + ((chan->dma.cur + 2) << 2)); |
6ee73861 BS |
847 | req->suffix1 = 0x00000000; |
848 | } | |
849 | ||
ebb945a9 | 850 | return nouveau_abi16_put(abi16, ret); |
6ee73861 BS |
851 | } |
852 | ||
6ee73861 BS |
853 | int |
854 | nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data, | |
855 | struct drm_file *file_priv) | |
856 | { | |
857 | struct drm_nouveau_gem_cpu_prep *req = data; | |
858 | struct drm_gem_object *gem; | |
859 | struct nouveau_bo *nvbo; | |
860 | bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT); | |
59701f96 | 861 | bool write = !!(req->flags & NOUVEAU_GEM_CPU_PREP_WRITE); |
d0b3c3b6 | 862 | int ret; |
6ee73861 | 863 | |
6ee73861 BS |
864 | gem = drm_gem_object_lookup(dev, file_priv, req->handle); |
865 | if (!gem) | |
bf79cb91 | 866 | return -ENOENT; |
6ee73861 BS |
867 | nvbo = nouveau_gem_object(gem); |
868 | ||
59701f96 ML |
869 | if (no_wait) |
870 | ret = reservation_object_test_signaled_rcu(nvbo->bo.resv, write) ? 0 : -EBUSY; | |
871 | else { | |
872 | long lret; | |
d0b3c3b6 | 873 | |
59701f96 ML |
874 | lret = reservation_object_wait_timeout_rcu(nvbo->bo.resv, write, true, 30 * HZ); |
875 | if (!lret) | |
876 | ret = -EBUSY; | |
877 | else if (lret > 0) | |
878 | ret = 0; | |
879 | else | |
880 | ret = lret; | |
d0b3c3b6 | 881 | } |
b22870ba | 882 | nouveau_bo_sync_for_cpu(nvbo); |
bc9025bd | 883 | drm_gem_object_unreference_unlocked(gem); |
d0b3c3b6 | 884 | |
6ee73861 BS |
885 | return ret; |
886 | } | |
887 | ||
888 | int | |
889 | nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data, | |
890 | struct drm_file *file_priv) | |
891 | { | |
b22870ba AC |
892 | struct drm_nouveau_gem_cpu_fini *req = data; |
893 | struct drm_gem_object *gem; | |
894 | struct nouveau_bo *nvbo; | |
895 | ||
896 | gem = drm_gem_object_lookup(dev, file_priv, req->handle); | |
897 | if (!gem) | |
898 | return -ENOENT; | |
899 | nvbo = nouveau_gem_object(gem); | |
900 | ||
901 | nouveau_bo_sync_for_device(nvbo); | |
902 | drm_gem_object_unreference_unlocked(gem); | |
21e86c1c | 903 | return 0; |
6ee73861 BS |
904 | } |
905 | ||
906 | int | |
907 | nouveau_gem_ioctl_info(struct drm_device *dev, void *data, | |
908 | struct drm_file *file_priv) | |
909 | { | |
910 | struct drm_nouveau_gem_info *req = data; | |
911 | struct drm_gem_object *gem; | |
912 | int ret; | |
913 | ||
6ee73861 BS |
914 | gem = drm_gem_object_lookup(dev, file_priv, req->handle); |
915 | if (!gem) | |
bf79cb91 | 916 | return -ENOENT; |
6ee73861 | 917 | |
e758a311 | 918 | ret = nouveau_gem_info(file_priv, gem, req); |
bc9025bd | 919 | drm_gem_object_unreference_unlocked(gem); |
6ee73861 BS |
920 | return ret; |
921 | } | |
922 |