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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 | 86 | ret = pm_runtime_get_sync(dev); |
bad4274a SM |
87 | if (ret < 0 && ret != -EACCES) { |
88 | kfree(vma); | |
5cc8d536 | 89 | goto out; |
bad4274a | 90 | } |
5cc8d536 | 91 | |
3ee6f5b5 | 92 | ret = nouveau_bo_vma_add(nvbo, cli->vm, vma); |
5cc8d536 | 93 | if (ret) |
2fd3db6f | 94 | kfree(vma); |
5cc8d536 BS |
95 | |
96 | pm_runtime_mark_last_busy(dev); | |
97 | pm_runtime_put_autosuspend(dev); | |
2fd3db6f BS |
98 | } else { |
99 | vma->refcount++; | |
100 | } | |
101 | ||
102 | out: | |
103 | ttm_bo_unreserve(&nvbo->bo); | |
104 | return ret; | |
639212d0 BS |
105 | } |
106 | ||
c4c7044f BS |
107 | static void |
108 | nouveau_gem_object_delete(void *data) | |
109 | { | |
be83cd4e BS |
110 | struct nvkm_vma *vma = data; |
111 | nvkm_vm_unmap(vma); | |
112 | nvkm_vm_put(vma); | |
c4c7044f BS |
113 | kfree(vma); |
114 | } | |
115 | ||
116 | static void | |
be83cd4e | 117 | nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nvkm_vma *vma) |
c4c7044f BS |
118 | { |
119 | const bool mapped = nvbo->bo.mem.mem_type != TTM_PL_SYSTEM; | |
809e9447 ML |
120 | struct reservation_object *resv = nvbo->bo.resv; |
121 | struct reservation_object_list *fobj; | |
f2c24b83 | 122 | struct fence *fence = NULL; |
c4c7044f | 123 | |
809e9447 ML |
124 | fobj = reservation_object_get_list(resv); |
125 | ||
c4c7044f BS |
126 | list_del(&vma->head); |
127 | ||
809e9447 ML |
128 | if (fobj && fobj->shared_count > 1) |
129 | ttm_bo_wait(&nvbo->bo, true, false, false); | |
130 | else if (fobj && fobj->shared_count == 1) | |
131 | fence = rcu_dereference_protected(fobj->shared[0], | |
132 | reservation_object_held(resv)); | |
133 | else | |
f2c24b83 | 134 | fence = reservation_object_get_excl(nvbo->bo.resv); |
c4c7044f | 135 | |
809e9447 | 136 | if (fence && mapped) { |
c4c7044f BS |
137 | nouveau_fence_work(fence, nouveau_gem_object_delete, vma); |
138 | } else { | |
139 | if (mapped) | |
be83cd4e BS |
140 | nvkm_vm_unmap(vma); |
141 | nvkm_vm_put(vma); | |
c4c7044f BS |
142 | kfree(vma); |
143 | } | |
c4c7044f BS |
144 | } |
145 | ||
639212d0 BS |
146 | void |
147 | nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv) | |
148 | { | |
ebb945a9 | 149 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
2fd3db6f | 150 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
5cc8d536 BS |
151 | struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev); |
152 | struct device *dev = drm->dev->dev; | |
be83cd4e | 153 | struct nvkm_vma *vma; |
2fd3db6f | 154 | int ret; |
639212d0 | 155 | |
3ee6f5b5 | 156 | if (!cli->vm) |
639212d0 | 157 | return; |
2fd3db6f | 158 | |
ee3939e0 | 159 | ret = ttm_bo_reserve(&nvbo->bo, false, false, false, NULL); |
2fd3db6f BS |
160 | if (ret) |
161 | return; | |
162 | ||
3ee6f5b5 | 163 | vma = nouveau_bo_vma_find(nvbo, cli->vm); |
2fd3db6f | 164 | if (vma) { |
5cc8d536 BS |
165 | if (--vma->refcount == 0) { |
166 | ret = pm_runtime_get_sync(dev); | |
167 | if (!WARN_ON(ret < 0 && ret != -EACCES)) { | |
168 | nouveau_gem_object_unmap(nvbo, vma); | |
169 | pm_runtime_mark_last_busy(dev); | |
170 | pm_runtime_put_autosuspend(dev); | |
171 | } | |
172 | } | |
2fd3db6f BS |
173 | } |
174 | ttm_bo_unreserve(&nvbo->bo); | |
639212d0 BS |
175 | } |
176 | ||
6ee73861 | 177 | int |
f6d4e621 BS |
178 | nouveau_gem_new(struct drm_device *dev, int size, int align, uint32_t domain, |
179 | uint32_t tile_mode, uint32_t tile_flags, | |
180 | struct nouveau_bo **pnvbo) | |
6ee73861 | 181 | { |
ebb945a9 | 182 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 | 183 | struct nouveau_bo *nvbo; |
6ba9a683 | 184 | u32 flags = 0; |
6ee73861 BS |
185 | int ret; |
186 | ||
6ba9a683 BS |
187 | if (domain & NOUVEAU_GEM_DOMAIN_VRAM) |
188 | flags |= TTM_PL_FLAG_VRAM; | |
189 | if (domain & NOUVEAU_GEM_DOMAIN_GART) | |
190 | flags |= TTM_PL_FLAG_TT; | |
191 | if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU) | |
192 | flags |= TTM_PL_FLAG_SYSTEM; | |
193 | ||
996f545f AC |
194 | if (domain & NOUVEAU_GEM_DOMAIN_COHERENT) |
195 | flags |= TTM_PL_FLAG_UNCACHED; | |
196 | ||
7375c95b | 197 | ret = nouveau_bo_new(dev, size, align, flags, tile_mode, |
bb6178b0 | 198 | tile_flags, NULL, NULL, pnvbo); |
6ee73861 BS |
199 | if (ret) |
200 | return ret; | |
201 | nvbo = *pnvbo; | |
202 | ||
db5c8e29 BS |
203 | /* we restrict allowed domains on nv50+ to only the types |
204 | * that were requested at creation time. not possibly on | |
205 | * earlier chips without busting the ABI. | |
206 | */ | |
207 | nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM | | |
208 | NOUVEAU_GEM_DOMAIN_GART; | |
967e7bde | 209 | if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) |
db5c8e29 BS |
210 | nvbo->valid_domains &= domain; |
211 | ||
55fb74ad DH |
212 | /* Initialize the embedded gem-object. We return a single gem-reference |
213 | * to the caller, instead of a normal nouveau_bo ttm reference. */ | |
214 | ret = drm_gem_object_init(dev, &nvbo->gem, nvbo->bo.mem.size); | |
215 | if (ret) { | |
6ee73861 BS |
216 | nouveau_bo_ref(NULL, pnvbo); |
217 | return -ENOMEM; | |
218 | } | |
219 | ||
55fb74ad | 220 | nvbo->bo.persistent_swap_storage = nvbo->gem.filp; |
6ee73861 BS |
221 | return 0; |
222 | } | |
223 | ||
224 | static int | |
e758a311 BS |
225 | nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem, |
226 | struct drm_nouveau_gem_info *rep) | |
6ee73861 | 227 | { |
ebb945a9 | 228 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
6ee73861 | 229 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
be83cd4e | 230 | struct nvkm_vma *vma; |
6ee73861 | 231 | |
04b8a4bd IM |
232 | if (is_power_of_2(nvbo->valid_domains)) |
233 | rep->domain = nvbo->valid_domains; | |
234 | else if (nvbo->bo.mem.mem_type == TTM_PL_TT) | |
6ee73861 BS |
235 | rep->domain = NOUVEAU_GEM_DOMAIN_GART; |
236 | else | |
237 | rep->domain = NOUVEAU_GEM_DOMAIN_VRAM; | |
e758a311 | 238 | rep->offset = nvbo->bo.offset; |
3ee6f5b5 BS |
239 | if (cli->vm) { |
240 | vma = nouveau_bo_vma_find(nvbo, cli->vm); | |
e758a311 BS |
241 | if (!vma) |
242 | return -EINVAL; | |
243 | ||
244 | rep->offset = vma->offset; | |
245 | } | |
246 | ||
6ee73861 | 247 | rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT; |
72525b3f | 248 | rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.vma_node); |
6ee73861 BS |
249 | rep->tile_mode = nvbo->tile_mode; |
250 | rep->tile_flags = nvbo->tile_flags; | |
251 | return 0; | |
252 | } | |
253 | ||
6ee73861 BS |
254 | int |
255 | nouveau_gem_ioctl_new(struct drm_device *dev, void *data, | |
256 | struct drm_file *file_priv) | |
257 | { | |
ebb945a9 | 258 | struct nouveau_drm *drm = nouveau_drm(dev); |
a84fa1a3 | 259 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
b1e4553c | 260 | struct nvkm_fb *fb = nvxx_fb(&drm->device); |
6ee73861 BS |
261 | struct drm_nouveau_gem_new *req = data; |
262 | struct nouveau_bo *nvbo = NULL; | |
6ee73861 BS |
263 | int ret = 0; |
264 | ||
03c8952f | 265 | if (!nvkm_fb_memtype_valid(fb, req->info.tile_flags)) { |
9ad97ede | 266 | NV_PRINTK(err, cli, "bad page flags: 0x%08x\n", req->info.tile_flags); |
6ee73861 | 267 | return -EINVAL; |
60d2a88a | 268 | } |
6ee73861 | 269 | |
f6d4e621 | 270 | ret = nouveau_gem_new(dev, req->info.size, req->align, |
6ba9a683 BS |
271 | req->info.domain, req->info.tile_mode, |
272 | req->info.tile_flags, &nvbo); | |
6ee73861 BS |
273 | if (ret) |
274 | return ret; | |
275 | ||
55fb74ad | 276 | ret = drm_gem_handle_create(file_priv, &nvbo->gem, &req->info.handle); |
e758a311 | 277 | if (ret == 0) { |
55fb74ad | 278 | ret = nouveau_gem_info(file_priv, &nvbo->gem, &req->info); |
e758a311 BS |
279 | if (ret) |
280 | drm_gem_handle_delete(file_priv, req->info.handle); | |
281 | } | |
282 | ||
29d08b3e | 283 | /* drop reference from allocate - handle holds it now */ |
55fb74ad | 284 | drm_gem_object_unreference_unlocked(&nvbo->gem); |
6ee73861 BS |
285 | return ret; |
286 | } | |
287 | ||
288 | static int | |
289 | nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains, | |
290 | uint32_t write_domains, uint32_t valid_domains) | |
291 | { | |
55fb74ad | 292 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
6ee73861 | 293 | struct ttm_buffer_object *bo = &nvbo->bo; |
db5c8e29 | 294 | uint32_t domains = valid_domains & nvbo->valid_domains & |
78ad0f7b FJ |
295 | (write_domains ? write_domains : read_domains); |
296 | uint32_t pref_flags = 0, valid_flags = 0; | |
6ee73861 | 297 | |
78ad0f7b | 298 | if (!domains) |
6ee73861 BS |
299 | return -EINVAL; |
300 | ||
78ad0f7b FJ |
301 | if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) |
302 | valid_flags |= TTM_PL_FLAG_VRAM; | |
303 | ||
304 | if (valid_domains & NOUVEAU_GEM_DOMAIN_GART) | |
305 | valid_flags |= TTM_PL_FLAG_TT; | |
306 | ||
307 | if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) && | |
308 | bo->mem.mem_type == TTM_PL_VRAM) | |
309 | pref_flags |= TTM_PL_FLAG_VRAM; | |
310 | ||
311 | else if ((domains & NOUVEAU_GEM_DOMAIN_GART) && | |
312 | bo->mem.mem_type == TTM_PL_TT) | |
313 | pref_flags |= TTM_PL_FLAG_TT; | |
314 | ||
315 | else if (domains & NOUVEAU_GEM_DOMAIN_VRAM) | |
316 | pref_flags |= TTM_PL_FLAG_VRAM; | |
317 | ||
318 | else | |
319 | pref_flags |= TTM_PL_FLAG_TT; | |
320 | ||
321 | nouveau_bo_placement_set(nvbo, pref_flags, valid_flags); | |
6ee73861 | 322 | |
6ee73861 BS |
323 | return 0; |
324 | } | |
325 | ||
326 | struct validate_op { | |
9242829a | 327 | struct list_head list; |
ecff665f | 328 | struct ww_acquire_ctx ticket; |
6ee73861 BS |
329 | }; |
330 | ||
331 | static void | |
809e9447 ML |
332 | validate_fini_no_ticket(struct validate_op *op, struct nouveau_fence *fence, |
333 | struct drm_nouveau_gem_pushbuf_bo *pbbo) | |
6ee73861 | 334 | { |
6ee73861 | 335 | struct nouveau_bo *nvbo; |
809e9447 | 336 | struct drm_nouveau_gem_pushbuf_bo *b; |
6ee73861 | 337 | |
9242829a ML |
338 | while (!list_empty(&op->list)) { |
339 | nvbo = list_entry(op->list.next, struct nouveau_bo, entry); | |
809e9447 | 340 | b = &pbbo[nvbo->pbbo_index]; |
332b242f | 341 | |
9360bd11 | 342 | if (likely(fence)) |
809e9447 | 343 | nouveau_bo_fence(nvbo, fence, !!b->write_domains); |
6ee73861 | 344 | |
a1606a95 BS |
345 | if (unlikely(nvbo->validate_mapped)) { |
346 | ttm_bo_kunmap(&nvbo->kmap); | |
347 | nvbo->validate_mapped = false; | |
348 | } | |
349 | ||
6ee73861 BS |
350 | list_del(&nvbo->entry); |
351 | nvbo->reserved_by = NULL; | |
9242829a | 352 | ttm_bo_unreserve_ticket(&nvbo->bo, &op->ticket); |
55fb74ad | 353 | drm_gem_object_unreference_unlocked(&nvbo->gem); |
6ee73861 BS |
354 | } |
355 | } | |
356 | ||
ecff665f | 357 | static void |
809e9447 ML |
358 | validate_fini(struct validate_op *op, struct nouveau_fence *fence, |
359 | struct drm_nouveau_gem_pushbuf_bo *pbbo) | |
ecff665f | 360 | { |
809e9447 | 361 | validate_fini_no_ticket(op, fence, pbbo); |
ecff665f | 362 | ww_acquire_fini(&op->ticket); |
6ee73861 BS |
363 | } |
364 | ||
365 | static int | |
366 | validate_init(struct nouveau_channel *chan, struct drm_file *file_priv, | |
367 | struct drm_nouveau_gem_pushbuf_bo *pbbo, | |
368 | int nr_buffers, struct validate_op *op) | |
369 | { | |
a84fa1a3 | 370 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
ebb945a9 | 371 | struct drm_device *dev = chan->drm->dev; |
6ee73861 BS |
372 | int trycnt = 0; |
373 | int ret, i; | |
c354c893 | 374 | struct nouveau_bo *res_bo = NULL; |
9242829a ML |
375 | LIST_HEAD(gart_list); |
376 | LIST_HEAD(vram_list); | |
377 | LIST_HEAD(both_list); | |
6ee73861 | 378 | |
ecff665f | 379 | ww_acquire_init(&op->ticket, &reservation_ww_class); |
6ee73861 BS |
380 | retry: |
381 | if (++trycnt > 100000) { | |
9ad97ede | 382 | NV_PRINTK(err, cli, "%s failed and gave up.\n", __func__); |
6ee73861 BS |
383 | return -EINVAL; |
384 | } | |
385 | ||
386 | for (i = 0; i < nr_buffers; i++) { | |
387 | struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i]; | |
388 | struct drm_gem_object *gem; | |
389 | struct nouveau_bo *nvbo; | |
390 | ||
391 | gem = drm_gem_object_lookup(dev, file_priv, b->handle); | |
392 | if (!gem) { | |
9ad97ede | 393 | NV_PRINTK(err, cli, "Unknown handle 0x%08x\n", b->handle); |
9242829a ML |
394 | ret = -ENOENT; |
395 | break; | |
6ee73861 | 396 | } |
55fb74ad | 397 | nvbo = nouveau_gem_object(gem); |
c354c893 ML |
398 | if (nvbo == res_bo) { |
399 | res_bo = NULL; | |
400 | drm_gem_object_unreference_unlocked(gem); | |
401 | continue; | |
402 | } | |
6ee73861 BS |
403 | |
404 | if (nvbo->reserved_by && nvbo->reserved_by == file_priv) { | |
9ad97ede | 405 | NV_PRINTK(err, cli, "multiple instances of buffer %d on " |
6ee73861 | 406 | "validation list\n", b->handle); |
5086f69e | 407 | drm_gem_object_unreference_unlocked(gem); |
9242829a ML |
408 | ret = -EINVAL; |
409 | break; | |
6ee73861 BS |
410 | } |
411 | ||
ecff665f | 412 | ret = ttm_bo_reserve(&nvbo->bo, true, false, true, &op->ticket); |
6ee73861 | 413 | if (ret) { |
9242829a ML |
414 | list_splice_tail_init(&vram_list, &op->list); |
415 | list_splice_tail_init(&gart_list, &op->list); | |
416 | list_splice_tail_init(&both_list, &op->list); | |
809e9447 | 417 | validate_fini_no_ticket(op, NULL, NULL); |
5e338405 | 418 | if (unlikely(ret == -EDEADLK)) { |
c354c893 | 419 | ret = ttm_bo_reserve_slowpath(&nvbo->bo, true, |
ecff665f | 420 | &op->ticket); |
c354c893 ML |
421 | if (!ret) |
422 | res_bo = nvbo; | |
423 | } | |
938c40ed BS |
424 | if (unlikely(ret)) { |
425 | if (ret != -ERESTARTSYS) | |
9ad97ede | 426 | NV_PRINTK(err, cli, "fail reserve\n"); |
9242829a | 427 | break; |
a1606a95 | 428 | } |
6ee73861 BS |
429 | } |
430 | ||
a1606a95 | 431 | b->user_priv = (uint64_t)(unsigned long)nvbo; |
6ee73861 BS |
432 | nvbo->reserved_by = file_priv; |
433 | nvbo->pbbo_index = i; | |
434 | if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) && | |
435 | (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)) | |
9242829a | 436 | list_add_tail(&nvbo->entry, &both_list); |
6ee73861 BS |
437 | else |
438 | if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) | |
9242829a | 439 | list_add_tail(&nvbo->entry, &vram_list); |
6ee73861 BS |
440 | else |
441 | if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART) | |
9242829a | 442 | list_add_tail(&nvbo->entry, &gart_list); |
6ee73861 | 443 | else { |
9ad97ede | 444 | NV_PRINTK(err, cli, "invalid valid domains: 0x%08x\n", |
6ee73861 | 445 | b->valid_domains); |
9242829a ML |
446 | list_add_tail(&nvbo->entry, &both_list); |
447 | ret = -EINVAL; | |
448 | break; | |
6ee73861 | 449 | } |
c354c893 ML |
450 | if (nvbo == res_bo) |
451 | goto retry; | |
6ee73861 BS |
452 | } |
453 | ||
ecff665f | 454 | ww_acquire_done(&op->ticket); |
9242829a ML |
455 | list_splice_tail(&vram_list, &op->list); |
456 | list_splice_tail(&gart_list, &op->list); | |
457 | list_splice_tail(&both_list, &op->list); | |
458 | if (ret) | |
809e9447 | 459 | validate_fini(op, NULL, NULL); |
9242829a ML |
460 | return ret; |
461 | ||
6ee73861 BS |
462 | } |
463 | ||
464 | static int | |
a84fa1a3 MS |
465 | validate_list(struct nouveau_channel *chan, struct nouveau_cli *cli, |
466 | struct list_head *list, struct drm_nouveau_gem_pushbuf_bo *pbbo, | |
467 | uint64_t user_pbbo_ptr) | |
6ee73861 | 468 | { |
ebb945a9 | 469 | struct nouveau_drm *drm = chan->drm; |
6ee73861 BS |
470 | struct drm_nouveau_gem_pushbuf_bo __user *upbbo = |
471 | (void __force __user *)(uintptr_t)user_pbbo_ptr; | |
472 | struct nouveau_bo *nvbo; | |
473 | int ret, relocs = 0; | |
474 | ||
475 | list_for_each_entry(nvbo, list, entry) { | |
476 | struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index]; | |
6ee73861 | 477 | |
55fb74ad | 478 | ret = nouveau_gem_set_domain(&nvbo->gem, b->read_domains, |
6ee73861 BS |
479 | b->write_domains, |
480 | b->valid_domains); | |
a1606a95 | 481 | if (unlikely(ret)) { |
9ad97ede | 482 | NV_PRINTK(err, cli, "fail set_domain\n"); |
6ee73861 | 483 | return ret; |
a1606a95 | 484 | } |
6ee73861 | 485 | |
97a875cb | 486 | ret = nouveau_bo_validate(nvbo, true, false); |
a1606a95 | 487 | if (unlikely(ret)) { |
938c40ed | 488 | if (ret != -ERESTARTSYS) |
9ad97ede | 489 | NV_PRINTK(err, cli, "fail ttm_validate\n"); |
6ee73861 | 490 | return ret; |
a1606a95 | 491 | } |
6ee73861 | 492 | |
e3be4c23 | 493 | ret = nouveau_fence_sync(nvbo, chan, !!b->write_domains, true); |
415e6186 | 494 | if (unlikely(ret)) { |
29ba89b2 | 495 | if (ret != -ERESTARTSYS) |
9ad97ede | 496 | NV_PRINTK(err, cli, "fail post-validate sync\n"); |
415e6186 BS |
497 | return ret; |
498 | } | |
499 | ||
967e7bde | 500 | if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) { |
a3fcd0a9 BS |
501 | if (nvbo->bo.offset == b->presumed.offset && |
502 | ((nvbo->bo.mem.mem_type == TTM_PL_VRAM && | |
503 | b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) || | |
504 | (nvbo->bo.mem.mem_type == TTM_PL_TT && | |
505 | b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART))) | |
506 | continue; | |
507 | ||
508 | if (nvbo->bo.mem.mem_type == TTM_PL_TT) | |
509 | b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART; | |
510 | else | |
511 | b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM; | |
512 | b->presumed.offset = nvbo->bo.offset; | |
513 | b->presumed.valid = 0; | |
514 | relocs++; | |
515 | ||
1d6ac185 | 516 | if (copy_to_user(&upbbo[nvbo->pbbo_index].presumed, |
a3fcd0a9 BS |
517 | &b->presumed, sizeof(b->presumed))) |
518 | return -EFAULT; | |
519 | } | |
6ee73861 BS |
520 | } |
521 | ||
522 | return relocs; | |
523 | } | |
524 | ||
525 | static int | |
526 | nouveau_gem_pushbuf_validate(struct nouveau_channel *chan, | |
527 | struct drm_file *file_priv, | |
528 | struct drm_nouveau_gem_pushbuf_bo *pbbo, | |
529 | uint64_t user_buffers, int nr_buffers, | |
530 | struct validate_op *op, int *apply_relocs) | |
531 | { | |
a84fa1a3 | 532 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
9242829a | 533 | int ret; |
6ee73861 | 534 | |
9242829a | 535 | INIT_LIST_HEAD(&op->list); |
6ee73861 | 536 | |
6ee73861 BS |
537 | if (nr_buffers == 0) |
538 | return 0; | |
539 | ||
540 | ret = validate_init(chan, file_priv, pbbo, nr_buffers, op); | |
a1606a95 | 541 | if (unlikely(ret)) { |
938c40ed | 542 | if (ret != -ERESTARTSYS) |
9ad97ede | 543 | NV_PRINTK(err, cli, "validate_init\n"); |
6ee73861 | 544 | return ret; |
a1606a95 | 545 | } |
6ee73861 | 546 | |
9242829a | 547 | ret = validate_list(chan, cli, &op->list, pbbo, user_buffers); |
6ee73861 | 548 | if (unlikely(ret < 0)) { |
938c40ed | 549 | if (ret != -ERESTARTSYS) |
9ad97ede | 550 | NV_PRINTK(err, cli, "validating bo list\n"); |
809e9447 | 551 | validate_fini(op, NULL, NULL); |
6ee73861 BS |
552 | return ret; |
553 | } | |
9242829a | 554 | *apply_relocs = ret; |
6ee73861 BS |
555 | return 0; |
556 | } | |
557 | ||
c859074e ML |
558 | static inline void |
559 | u_free(void *addr) | |
560 | { | |
48a20138 | 561 | kvfree(addr); |
c859074e ML |
562 | } |
563 | ||
6ee73861 BS |
564 | static inline void * |
565 | u_memcpya(uint64_t user, unsigned nmemb, unsigned size) | |
566 | { | |
567 | void *mem; | |
568 | void __user *userptr = (void __force __user *)(uintptr_t)user; | |
569 | ||
c859074e ML |
570 | size *= nmemb; |
571 | ||
572 | mem = kmalloc(size, GFP_KERNEL | __GFP_NOWARN); | |
573 | if (!mem) | |
574 | mem = vmalloc(size); | |
6ee73861 BS |
575 | if (!mem) |
576 | return ERR_PTR(-ENOMEM); | |
577 | ||
1d6ac185 | 578 | if (copy_from_user(mem, userptr, size)) { |
c859074e | 579 | u_free(mem); |
6ee73861 BS |
580 | return ERR_PTR(-EFAULT); |
581 | } | |
582 | ||
583 | return mem; | |
584 | } | |
585 | ||
586 | static int | |
a84fa1a3 | 587 | nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli, |
a1606a95 BS |
588 | struct drm_nouveau_gem_pushbuf *req, |
589 | struct drm_nouveau_gem_pushbuf_bo *bo) | |
6ee73861 BS |
590 | { |
591 | struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL; | |
12f735b7 LB |
592 | int ret = 0; |
593 | unsigned i; | |
6ee73861 | 594 | |
a1606a95 | 595 | reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc)); |
6ee73861 BS |
596 | if (IS_ERR(reloc)) |
597 | return PTR_ERR(reloc); | |
598 | ||
a1606a95 | 599 | for (i = 0; i < req->nr_relocs; i++) { |
6ee73861 BS |
600 | struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i]; |
601 | struct drm_nouveau_gem_pushbuf_bo *b; | |
a1606a95 | 602 | struct nouveau_bo *nvbo; |
6ee73861 BS |
603 | uint32_t data; |
604 | ||
a1606a95 | 605 | if (unlikely(r->bo_index > req->nr_buffers)) { |
9ad97ede | 606 | NV_PRINTK(err, cli, "reloc bo index invalid\n"); |
6ee73861 BS |
607 | ret = -EINVAL; |
608 | break; | |
609 | } | |
610 | ||
611 | b = &bo[r->bo_index]; | |
a1606a95 | 612 | if (b->presumed.valid) |
6ee73861 BS |
613 | continue; |
614 | ||
a1606a95 | 615 | if (unlikely(r->reloc_bo_index > req->nr_buffers)) { |
9ad97ede | 616 | NV_PRINTK(err, cli, "reloc container bo index invalid\n"); |
a1606a95 BS |
617 | ret = -EINVAL; |
618 | break; | |
619 | } | |
620 | nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv; | |
621 | ||
622 | if (unlikely(r->reloc_bo_offset + 4 > | |
623 | nvbo->bo.mem.num_pages << PAGE_SHIFT)) { | |
9ad97ede | 624 | NV_PRINTK(err, cli, "reloc outside of bo\n"); |
a1606a95 BS |
625 | ret = -EINVAL; |
626 | break; | |
627 | } | |
628 | ||
629 | if (!nvbo->kmap.virtual) { | |
630 | ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages, | |
631 | &nvbo->kmap); | |
632 | if (ret) { | |
9ad97ede | 633 | NV_PRINTK(err, cli, "failed kmap for reloc\n"); |
a1606a95 BS |
634 | break; |
635 | } | |
636 | nvbo->validate_mapped = true; | |
637 | } | |
638 | ||
6ee73861 | 639 | if (r->flags & NOUVEAU_GEM_RELOC_LOW) |
a1606a95 | 640 | data = b->presumed.offset + r->data; |
6ee73861 BS |
641 | else |
642 | if (r->flags & NOUVEAU_GEM_RELOC_HIGH) | |
a1606a95 | 643 | data = (b->presumed.offset + r->data) >> 32; |
6ee73861 BS |
644 | else |
645 | data = r->data; | |
646 | ||
647 | if (r->flags & NOUVEAU_GEM_RELOC_OR) { | |
a1606a95 | 648 | if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART) |
6ee73861 BS |
649 | data |= r->tor; |
650 | else | |
651 | data |= r->vor; | |
652 | } | |
653 | ||
809e9447 | 654 | ret = ttm_bo_wait(&nvbo->bo, true, false, false); |
a1606a95 | 655 | if (ret) { |
9ad97ede | 656 | NV_PRINTK(err, cli, "reloc wait_idle failed: %d\n", ret); |
a1606a95 BS |
657 | break; |
658 | } | |
a1606a95 BS |
659 | |
660 | nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data); | |
6ee73861 BS |
661 | } |
662 | ||
c859074e | 663 | u_free(reloc); |
6ee73861 BS |
664 | return ret; |
665 | } | |
666 | ||
667 | int | |
668 | nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data, | |
669 | struct drm_file *file_priv) | |
670 | { | |
ebb945a9 | 671 | struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); |
a84fa1a3 | 672 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
ebb945a9 BS |
673 | struct nouveau_abi16_chan *temp; |
674 | struct nouveau_drm *drm = nouveau_drm(dev); | |
6ee73861 | 675 | struct drm_nouveau_gem_pushbuf *req = data; |
a1606a95 BS |
676 | struct drm_nouveau_gem_pushbuf_push *push; |
677 | struct drm_nouveau_gem_pushbuf_bo *bo; | |
ebb945a9 | 678 | struct nouveau_channel *chan = NULL; |
6ee73861 | 679 | struct validate_op op; |
6e86e041 | 680 | struct nouveau_fence *fence = NULL; |
a1606a95 | 681 | int i, j, ret = 0, do_reloc = 0; |
6ee73861 | 682 | |
ebb945a9 BS |
683 | if (unlikely(!abi16)) |
684 | return -ENOMEM; | |
6ee73861 | 685 | |
ebb945a9 | 686 | list_for_each_entry(temp, &abi16->channels, head) { |
fcf3f91c | 687 | if (temp->chan->chid == req->channel) { |
ebb945a9 BS |
688 | chan = temp->chan; |
689 | break; | |
690 | } | |
691 | } | |
6ee73861 | 692 | |
ebb945a9 BS |
693 | if (!chan) |
694 | return nouveau_abi16_put(abi16, -ENOENT); | |
695 | ||
696 | req->vram_available = drm->gem.vram_available; | |
697 | req->gart_available = drm->gem.gart_available; | |
a1606a95 BS |
698 | if (unlikely(req->nr_push == 0)) |
699 | goto out_next; | |
6ee73861 | 700 | |
a1606a95 | 701 | if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) { |
9ad97ede | 702 | NV_PRINTK(err, cli, "pushbuf push count exceeds limit: %d max %d\n", |
a1606a95 | 703 | req->nr_push, NOUVEAU_GEM_MAX_PUSH); |
ebb945a9 | 704 | return nouveau_abi16_put(abi16, -EINVAL); |
6ee73861 BS |
705 | } |
706 | ||
a1606a95 | 707 | if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) { |
9ad97ede | 708 | NV_PRINTK(err, cli, "pushbuf bo count exceeds limit: %d max %d\n", |
a1606a95 | 709 | req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS); |
ebb945a9 | 710 | return nouveau_abi16_put(abi16, -EINVAL); |
6ee73861 BS |
711 | } |
712 | ||
a1606a95 | 713 | if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) { |
9ad97ede | 714 | NV_PRINTK(err, cli, "pushbuf reloc count exceeds limit: %d max %d\n", |
a1606a95 | 715 | req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS); |
ebb945a9 | 716 | return nouveau_abi16_put(abi16, -EINVAL); |
6ee73861 BS |
717 | } |
718 | ||
a1606a95 | 719 | push = u_memcpya(req->push, req->nr_push, sizeof(*push)); |
ebb945a9 BS |
720 | if (IS_ERR(push)) |
721 | return nouveau_abi16_put(abi16, PTR_ERR(push)); | |
a1606a95 | 722 | |
6ee73861 | 723 | bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo)); |
a1606a95 | 724 | if (IS_ERR(bo)) { |
c859074e | 725 | u_free(push); |
ebb945a9 | 726 | return nouveau_abi16_put(abi16, PTR_ERR(bo)); |
a1606a95 | 727 | } |
6ee73861 | 728 | |
accf9496 | 729 | /* Ensure all push buffers are on validate list */ |
415e6186 BS |
730 | for (i = 0; i < req->nr_push; i++) { |
731 | if (push[i].bo_index >= req->nr_buffers) { | |
9ad97ede | 732 | NV_PRINTK(err, cli, "push %d buffer not in list\n", i); |
415e6186 | 733 | ret = -EINVAL; |
7fa0cba2 | 734 | goto out_prevalid; |
415e6186 | 735 | } |
415e6186 BS |
736 | } |
737 | ||
6ee73861 BS |
738 | /* Validate buffer list */ |
739 | ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers, | |
740 | req->nr_buffers, &op, &do_reloc); | |
741 | if (ret) { | |
938c40ed | 742 | if (ret != -ERESTARTSYS) |
9ad97ede | 743 | NV_PRINTK(err, cli, "validate: %d\n", ret); |
7fa0cba2 | 744 | goto out_prevalid; |
6ee73861 BS |
745 | } |
746 | ||
6ee73861 BS |
747 | /* Apply any relocations that are required */ |
748 | if (do_reloc) { | |
a84fa1a3 | 749 | ret = nouveau_gem_pushbuf_reloc_apply(cli, req, bo); |
6ee73861 | 750 | if (ret) { |
9ad97ede | 751 | NV_PRINTK(err, cli, "reloc apply: %d\n", ret); |
6ee73861 BS |
752 | goto out; |
753 | } | |
6ee73861 | 754 | } |
6ee73861 | 755 | |
9a391ad8 | 756 | if (chan->dma.ib_max) { |
5e120f6e | 757 | ret = nouveau_dma_wait(chan, req->nr_push + 1, 16); |
6ee73861 | 758 | if (ret) { |
9ad97ede | 759 | NV_PRINTK(err, cli, "nv50cal_space: %d\n", ret); |
6ee73861 BS |
760 | goto out; |
761 | } | |
6ee73861 | 762 | |
a1606a95 BS |
763 | for (i = 0; i < req->nr_push; i++) { |
764 | struct nouveau_bo *nvbo = (void *)(unsigned long) | |
765 | bo[push[i].bo_index].user_priv; | |
766 | ||
767 | nv50_dma_push(chan, nvbo, push[i].offset, | |
768 | push[i].length); | |
769 | } | |
9a391ad8 | 770 | } else |
967e7bde | 771 | if (drm->device.info.chipset >= 0x25) { |
a1606a95 | 772 | ret = RING_SPACE(chan, req->nr_push * 2); |
6ee73861 | 773 | if (ret) { |
9ad97ede | 774 | NV_PRINTK(err, cli, "cal_space: %d\n", ret); |
6ee73861 BS |
775 | goto out; |
776 | } | |
a1606a95 BS |
777 | |
778 | for (i = 0; i < req->nr_push; i++) { | |
779 | struct nouveau_bo *nvbo = (void *)(unsigned long) | |
780 | bo[push[i].bo_index].user_priv; | |
a1606a95 | 781 | |
3a92d37e | 782 | OUT_RING(chan, (nvbo->bo.offset + push[i].offset) | 2); |
a1606a95 BS |
783 | OUT_RING(chan, 0); |
784 | } | |
6ee73861 | 785 | } else { |
a1606a95 | 786 | ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS)); |
6ee73861 | 787 | if (ret) { |
9ad97ede | 788 | NV_PRINTK(err, cli, "jmp_space: %d\n", ret); |
6ee73861 BS |
789 | goto out; |
790 | } | |
6ee73861 | 791 | |
a1606a95 BS |
792 | for (i = 0; i < req->nr_push; i++) { |
793 | struct nouveau_bo *nvbo = (void *)(unsigned long) | |
794 | bo[push[i].bo_index].user_priv; | |
a1606a95 BS |
795 | uint32_t cmd; |
796 | ||
ebb945a9 | 797 | cmd = chan->push.vma.offset + ((chan->dma.cur + 2) << 2); |
a1606a95 BS |
798 | cmd |= 0x20000000; |
799 | if (unlikely(cmd != req->suffix0)) { | |
800 | if (!nvbo->kmap.virtual) { | |
801 | ret = ttm_bo_kmap(&nvbo->bo, 0, | |
802 | nvbo->bo.mem. | |
803 | num_pages, | |
804 | &nvbo->kmap); | |
805 | if (ret) { | |
806 | WIND_RING(chan); | |
807 | goto out; | |
808 | } | |
809 | nvbo->validate_mapped = true; | |
810 | } | |
811 | ||
812 | nouveau_bo_wr32(nvbo, (push[i].offset + | |
813 | push[i].length - 8) / 4, cmd); | |
814 | } | |
815 | ||
3a92d37e BS |
816 | OUT_RING(chan, 0x20000000 | |
817 | (nvbo->bo.offset + push[i].offset)); | |
6ee73861 | 818 | OUT_RING(chan, 0); |
a1606a95 BS |
819 | for (j = 0; j < NOUVEAU_DMA_SKIPS; j++) |
820 | OUT_RING(chan, 0); | |
821 | } | |
6ee73861 BS |
822 | } |
823 | ||
264ce192 | 824 | ret = nouveau_fence_new(chan, false, &fence); |
6ee73861 | 825 | if (ret) { |
9ad97ede | 826 | NV_PRINTK(err, cli, "error fencing pushbuf: %d\n", ret); |
6ee73861 BS |
827 | WIND_RING(chan); |
828 | goto out; | |
829 | } | |
830 | ||
831 | out: | |
809e9447 | 832 | validate_fini(&op, fence, bo); |
382d62e5 | 833 | nouveau_fence_unref(&fence); |
7fa0cba2 MS |
834 | |
835 | out_prevalid: | |
c859074e ML |
836 | u_free(bo); |
837 | u_free(push); | |
6ee73861 BS |
838 | |
839 | out_next: | |
9a391ad8 BS |
840 | if (chan->dma.ib_max) { |
841 | req->suffix0 = 0x00000000; | |
842 | req->suffix1 = 0x00000000; | |
843 | } else | |
967e7bde | 844 | if (drm->device.info.chipset >= 0x25) { |
6ee73861 BS |
845 | req->suffix0 = 0x00020000; |
846 | req->suffix1 = 0x00000000; | |
847 | } else { | |
848 | req->suffix0 = 0x20000000 | | |
ebb945a9 | 849 | (chan->push.vma.offset + ((chan->dma.cur + 2) << 2)); |
6ee73861 BS |
850 | req->suffix1 = 0x00000000; |
851 | } | |
852 | ||
ebb945a9 | 853 | return nouveau_abi16_put(abi16, ret); |
6ee73861 BS |
854 | } |
855 | ||
6ee73861 BS |
856 | int |
857 | nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data, | |
858 | struct drm_file *file_priv) | |
859 | { | |
860 | struct drm_nouveau_gem_cpu_prep *req = data; | |
861 | struct drm_gem_object *gem; | |
862 | struct nouveau_bo *nvbo; | |
863 | bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT); | |
59701f96 | 864 | bool write = !!(req->flags & NOUVEAU_GEM_CPU_PREP_WRITE); |
d0b3c3b6 | 865 | int ret; |
6ee73861 | 866 | |
6ee73861 BS |
867 | gem = drm_gem_object_lookup(dev, file_priv, req->handle); |
868 | if (!gem) | |
bf79cb91 | 869 | return -ENOENT; |
6ee73861 BS |
870 | nvbo = nouveau_gem_object(gem); |
871 | ||
59701f96 ML |
872 | if (no_wait) |
873 | ret = reservation_object_test_signaled_rcu(nvbo->bo.resv, write) ? 0 : -EBUSY; | |
874 | else { | |
875 | long lret; | |
d0b3c3b6 | 876 | |
59701f96 ML |
877 | lret = reservation_object_wait_timeout_rcu(nvbo->bo.resv, write, true, 30 * HZ); |
878 | if (!lret) | |
879 | ret = -EBUSY; | |
880 | else if (lret > 0) | |
881 | ret = 0; | |
882 | else | |
883 | ret = lret; | |
d0b3c3b6 | 884 | } |
b22870ba | 885 | nouveau_bo_sync_for_cpu(nvbo); |
bc9025bd | 886 | drm_gem_object_unreference_unlocked(gem); |
d0b3c3b6 | 887 | |
6ee73861 BS |
888 | return ret; |
889 | } | |
890 | ||
891 | int | |
892 | nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data, | |
893 | struct drm_file *file_priv) | |
894 | { | |
b22870ba AC |
895 | struct drm_nouveau_gem_cpu_fini *req = data; |
896 | struct drm_gem_object *gem; | |
897 | struct nouveau_bo *nvbo; | |
898 | ||
899 | gem = drm_gem_object_lookup(dev, file_priv, req->handle); | |
900 | if (!gem) | |
901 | return -ENOENT; | |
902 | nvbo = nouveau_gem_object(gem); | |
903 | ||
904 | nouveau_bo_sync_for_device(nvbo); | |
905 | drm_gem_object_unreference_unlocked(gem); | |
21e86c1c | 906 | return 0; |
6ee73861 BS |
907 | } |
908 | ||
909 | int | |
910 | nouveau_gem_ioctl_info(struct drm_device *dev, void *data, | |
911 | struct drm_file *file_priv) | |
912 | { | |
913 | struct drm_nouveau_gem_info *req = data; | |
914 | struct drm_gem_object *gem; | |
915 | int ret; | |
916 | ||
6ee73861 BS |
917 | gem = drm_gem_object_lookup(dev, file_priv, req->handle); |
918 | if (!gem) | |
bf79cb91 | 919 | return -ENOENT; |
6ee73861 | 920 | |
e758a311 | 921 | ret = nouveau_gem_info(file_priv, gem, req); |
bc9025bd | 922 | drm_gem_object_unreference_unlocked(gem); |
6ee73861 BS |
923 | return ret; |
924 | } | |
925 |