2 * Copyright (C) 2008 Ben Skeggs.
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:
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.
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.
27 #include <subdev/fb.h>
29 #include "nouveau_drm.h"
30 #include "nouveau_dma.h"
31 #include "nouveau_fence.h"
32 #include "nouveau_abi16.h"
34 #include "nouveau_ttm.h"
35 #include "nouveau_gem.h"
38 nouveau_gem_object_del(struct drm_gem_object *gem)
40 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
41 struct ttm_buffer_object *bo = &nvbo->bo;
43 if (gem->import_attach)
44 drm_prime_gem_destroy(gem, nvbo->bo.sg);
46 drm_gem_object_release(gem);
48 /* reset filp so nouveau_bo_del_ttm() can test for it */
54 nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
56 struct nouveau_cli *cli = nouveau_cli(file_priv);
57 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
58 struct nouveau_vma *vma;
64 ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
68 vma = nouveau_bo_vma_find(nvbo, cli->base.vm);
70 vma = kzalloc(sizeof(*vma), GFP_KERNEL);
76 ret = nouveau_bo_vma_add(nvbo, cli->base.vm, vma);
86 ttm_bo_unreserve(&nvbo->bo);
91 nouveau_gem_object_delete(void *data)
93 struct nouveau_vma *vma = data;
94 nouveau_vm_unmap(vma);
100 nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nouveau_vma *vma)
102 const bool mapped = nvbo->bo.mem.mem_type != TTM_PL_SYSTEM;
103 struct nouveau_fence *fence = NULL;
105 list_del(&vma->head);
108 spin_lock(&nvbo->bo.bdev->fence_lock);
109 if (nvbo->bo.sync_obj)
110 fence = nouveau_fence_ref(nvbo->bo.sync_obj);
111 spin_unlock(&nvbo->bo.bdev->fence_lock);
115 nouveau_fence_work(fence, nouveau_gem_object_delete, vma);
118 nouveau_vm_unmap(vma);
122 nouveau_fence_unref(&fence);
126 nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
128 struct nouveau_cli *cli = nouveau_cli(file_priv);
129 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
130 struct nouveau_vma *vma;
136 ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
140 vma = nouveau_bo_vma_find(nvbo, cli->base.vm);
142 if (--vma->refcount == 0)
143 nouveau_gem_object_unmap(nvbo, vma);
145 ttm_bo_unreserve(&nvbo->bo);
149 nouveau_gem_new(struct drm_device *dev, int size, int align, uint32_t domain,
150 uint32_t tile_mode, uint32_t tile_flags,
151 struct nouveau_bo **pnvbo)
153 struct nouveau_drm *drm = nouveau_drm(dev);
154 struct nouveau_bo *nvbo;
158 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
159 flags |= TTM_PL_FLAG_VRAM;
160 if (domain & NOUVEAU_GEM_DOMAIN_GART)
161 flags |= TTM_PL_FLAG_TT;
162 if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU)
163 flags |= TTM_PL_FLAG_SYSTEM;
165 ret = nouveau_bo_new(dev, size, align, flags, tile_mode,
166 tile_flags, NULL, pnvbo);
171 /* we restrict allowed domains on nv50+ to only the types
172 * that were requested at creation time. not possibly on
173 * earlier chips without busting the ABI.
175 nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM |
176 NOUVEAU_GEM_DOMAIN_GART;
177 if (nv_device(drm->device)->card_type >= NV_50)
178 nvbo->valid_domains &= domain;
180 /* Initialize the embedded gem-object. We return a single gem-reference
181 * to the caller, instead of a normal nouveau_bo ttm reference. */
182 ret = drm_gem_object_init(dev, &nvbo->gem, nvbo->bo.mem.size);
184 nouveau_bo_ref(NULL, pnvbo);
188 nvbo->bo.persistent_swap_storage = nvbo->gem.filp;
193 nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
194 struct drm_nouveau_gem_info *rep)
196 struct nouveau_cli *cli = nouveau_cli(file_priv);
197 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
198 struct nouveau_vma *vma;
200 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
201 rep->domain = NOUVEAU_GEM_DOMAIN_GART;
203 rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
205 rep->offset = nvbo->bo.offset;
207 vma = nouveau_bo_vma_find(nvbo, cli->base.vm);
211 rep->offset = vma->offset;
214 rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
215 rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.vma_node);
216 rep->tile_mode = nvbo->tile_mode;
217 rep->tile_flags = nvbo->tile_flags;
222 nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
223 struct drm_file *file_priv)
225 struct nouveau_drm *drm = nouveau_drm(dev);
226 struct nouveau_cli *cli = nouveau_cli(file_priv);
227 struct nouveau_fb *pfb = nouveau_fb(drm->device);
228 struct drm_nouveau_gem_new *req = data;
229 struct nouveau_bo *nvbo = NULL;
232 drm->ttm.bdev.dev_mapping = drm->dev->dev_mapping;
234 if (!pfb->memtype_valid(pfb, req->info.tile_flags)) {
235 NV_ERROR(cli, "bad page flags: 0x%08x\n", req->info.tile_flags);
239 ret = nouveau_gem_new(dev, req->info.size, req->align,
240 req->info.domain, req->info.tile_mode,
241 req->info.tile_flags, &nvbo);
245 ret = drm_gem_handle_create(file_priv, &nvbo->gem, &req->info.handle);
247 ret = nouveau_gem_info(file_priv, &nvbo->gem, &req->info);
249 drm_gem_handle_delete(file_priv, req->info.handle);
252 /* drop reference from allocate - handle holds it now */
253 drm_gem_object_unreference_unlocked(&nvbo->gem);
258 nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains,
259 uint32_t write_domains, uint32_t valid_domains)
261 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
262 struct ttm_buffer_object *bo = &nvbo->bo;
263 uint32_t domains = valid_domains & nvbo->valid_domains &
264 (write_domains ? write_domains : read_domains);
265 uint32_t pref_flags = 0, valid_flags = 0;
270 if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
271 valid_flags |= TTM_PL_FLAG_VRAM;
273 if (valid_domains & NOUVEAU_GEM_DOMAIN_GART)
274 valid_flags |= TTM_PL_FLAG_TT;
276 if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
277 bo->mem.mem_type == TTM_PL_VRAM)
278 pref_flags |= TTM_PL_FLAG_VRAM;
280 else if ((domains & NOUVEAU_GEM_DOMAIN_GART) &&
281 bo->mem.mem_type == TTM_PL_TT)
282 pref_flags |= TTM_PL_FLAG_TT;
284 else if (domains & NOUVEAU_GEM_DOMAIN_VRAM)
285 pref_flags |= TTM_PL_FLAG_VRAM;
288 pref_flags |= TTM_PL_FLAG_TT;
290 nouveau_bo_placement_set(nvbo, pref_flags, valid_flags);
296 struct list_head vram_list;
297 struct list_head gart_list;
298 struct list_head both_list;
299 struct ww_acquire_ctx ticket;
303 validate_fini_list(struct list_head *list, struct nouveau_fence *fence,
304 struct ww_acquire_ctx *ticket)
306 struct list_head *entry, *tmp;
307 struct nouveau_bo *nvbo;
309 list_for_each_safe(entry, tmp, list) {
310 nvbo = list_entry(entry, struct nouveau_bo, entry);
312 nouveau_bo_fence(nvbo, fence);
314 if (unlikely(nvbo->validate_mapped)) {
315 ttm_bo_kunmap(&nvbo->kmap);
316 nvbo->validate_mapped = false;
319 list_del(&nvbo->entry);
320 nvbo->reserved_by = NULL;
321 ttm_bo_unreserve_ticket(&nvbo->bo, ticket);
322 drm_gem_object_unreference_unlocked(&nvbo->gem);
327 validate_fini_no_ticket(struct validate_op *op, struct nouveau_fence *fence)
329 validate_fini_list(&op->vram_list, fence, &op->ticket);
330 validate_fini_list(&op->gart_list, fence, &op->ticket);
331 validate_fini_list(&op->both_list, fence, &op->ticket);
335 validate_fini(struct validate_op *op, struct nouveau_fence *fence)
337 validate_fini_no_ticket(op, fence);
338 ww_acquire_fini(&op->ticket);
342 validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
343 struct drm_nouveau_gem_pushbuf_bo *pbbo,
344 int nr_buffers, struct validate_op *op)
346 struct nouveau_cli *cli = nouveau_cli(file_priv);
347 struct drm_device *dev = chan->drm->dev;
350 struct nouveau_bo *res_bo = NULL;
352 ww_acquire_init(&op->ticket, &reservation_ww_class);
354 if (++trycnt > 100000) {
355 NV_ERROR(cli, "%s failed and gave up.\n", __func__);
359 for (i = 0; i < nr_buffers; i++) {
360 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i];
361 struct drm_gem_object *gem;
362 struct nouveau_bo *nvbo;
364 gem = drm_gem_object_lookup(dev, file_priv, b->handle);
366 NV_ERROR(cli, "Unknown handle 0x%08x\n", b->handle);
367 ww_acquire_done(&op->ticket);
368 validate_fini(op, NULL);
371 nvbo = nouveau_gem_object(gem);
372 if (nvbo == res_bo) {
374 drm_gem_object_unreference_unlocked(gem);
378 if (nvbo->reserved_by && nvbo->reserved_by == file_priv) {
379 NV_ERROR(cli, "multiple instances of buffer %d on "
380 "validation list\n", b->handle);
381 drm_gem_object_unreference_unlocked(gem);
382 ww_acquire_done(&op->ticket);
383 validate_fini(op, NULL);
387 ret = ttm_bo_reserve(&nvbo->bo, true, false, true, &op->ticket);
389 validate_fini_no_ticket(op, NULL);
390 if (unlikely(ret == -EDEADLK)) {
391 ret = ttm_bo_reserve_slowpath(&nvbo->bo, true,
397 ww_acquire_done(&op->ticket);
398 ww_acquire_fini(&op->ticket);
399 drm_gem_object_unreference_unlocked(gem);
400 if (ret != -ERESTARTSYS)
401 NV_ERROR(cli, "fail reserve\n");
406 b->user_priv = (uint64_t)(unsigned long)nvbo;
407 nvbo->reserved_by = file_priv;
408 nvbo->pbbo_index = i;
409 if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
410 (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART))
411 list_add_tail(&nvbo->entry, &op->both_list);
413 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
414 list_add_tail(&nvbo->entry, &op->vram_list);
416 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)
417 list_add_tail(&nvbo->entry, &op->gart_list);
419 NV_ERROR(cli, "invalid valid domains: 0x%08x\n",
421 list_add_tail(&nvbo->entry, &op->both_list);
422 ww_acquire_done(&op->ticket);
423 validate_fini(op, NULL);
430 ww_acquire_done(&op->ticket);
435 validate_sync(struct nouveau_channel *chan, struct nouveau_bo *nvbo)
437 struct nouveau_fence *fence = NULL;
440 spin_lock(&nvbo->bo.bdev->fence_lock);
441 if (nvbo->bo.sync_obj)
442 fence = nouveau_fence_ref(nvbo->bo.sync_obj);
443 spin_unlock(&nvbo->bo.bdev->fence_lock);
446 ret = nouveau_fence_sync(fence, chan);
447 nouveau_fence_unref(&fence);
454 validate_list(struct nouveau_channel *chan, struct nouveau_cli *cli,
455 struct list_head *list, struct drm_nouveau_gem_pushbuf_bo *pbbo,
456 uint64_t user_pbbo_ptr)
458 struct nouveau_drm *drm = chan->drm;
459 struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
460 (void __force __user *)(uintptr_t)user_pbbo_ptr;
461 struct nouveau_bo *nvbo;
464 list_for_each_entry(nvbo, list, entry) {
465 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
467 ret = validate_sync(chan, nvbo);
469 NV_ERROR(cli, "fail pre-validate sync\n");
473 ret = nouveau_gem_set_domain(&nvbo->gem, b->read_domains,
477 NV_ERROR(cli, "fail set_domain\n");
481 ret = nouveau_bo_validate(nvbo, true, false);
483 if (ret != -ERESTARTSYS)
484 NV_ERROR(cli, "fail ttm_validate\n");
488 ret = validate_sync(chan, nvbo);
490 NV_ERROR(cli, "fail post-validate sync\n");
494 if (nv_device(drm->device)->card_type < NV_50) {
495 if (nvbo->bo.offset == b->presumed.offset &&
496 ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
497 b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
498 (nvbo->bo.mem.mem_type == TTM_PL_TT &&
499 b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
502 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
503 b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
505 b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
506 b->presumed.offset = nvbo->bo.offset;
507 b->presumed.valid = 0;
510 if (DRM_COPY_TO_USER(&upbbo[nvbo->pbbo_index].presumed,
511 &b->presumed, sizeof(b->presumed)))
520 nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
521 struct drm_file *file_priv,
522 struct drm_nouveau_gem_pushbuf_bo *pbbo,
523 uint64_t user_buffers, int nr_buffers,
524 struct validate_op *op, int *apply_relocs)
526 struct nouveau_cli *cli = nouveau_cli(file_priv);
529 INIT_LIST_HEAD(&op->vram_list);
530 INIT_LIST_HEAD(&op->gart_list);
531 INIT_LIST_HEAD(&op->both_list);
536 ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
538 if (ret != -ERESTARTSYS)
539 NV_ERROR(cli, "validate_init\n");
543 ret = validate_list(chan, cli, &op->vram_list, pbbo, user_buffers);
544 if (unlikely(ret < 0)) {
545 if (ret != -ERESTARTSYS)
546 NV_ERROR(cli, "validate vram_list\n");
547 validate_fini(op, NULL);
552 ret = validate_list(chan, cli, &op->gart_list, pbbo, user_buffers);
553 if (unlikely(ret < 0)) {
554 if (ret != -ERESTARTSYS)
555 NV_ERROR(cli, "validate gart_list\n");
556 validate_fini(op, NULL);
561 ret = validate_list(chan, cli, &op->both_list, pbbo, user_buffers);
562 if (unlikely(ret < 0)) {
563 if (ret != -ERESTARTSYS)
564 NV_ERROR(cli, "validate both_list\n");
565 validate_fini(op, NULL);
570 *apply_relocs = relocs;
577 if (!is_vmalloc_addr(addr))
584 u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
587 void __user *userptr = (void __force __user *)(uintptr_t)user;
591 mem = kmalloc(size, GFP_KERNEL | __GFP_NOWARN);
595 return ERR_PTR(-ENOMEM);
597 if (DRM_COPY_FROM_USER(mem, userptr, size)) {
599 return ERR_PTR(-EFAULT);
606 nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
607 struct drm_nouveau_gem_pushbuf *req,
608 struct drm_nouveau_gem_pushbuf_bo *bo)
610 struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
614 reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc));
616 return PTR_ERR(reloc);
618 for (i = 0; i < req->nr_relocs; i++) {
619 struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i];
620 struct drm_nouveau_gem_pushbuf_bo *b;
621 struct nouveau_bo *nvbo;
624 if (unlikely(r->bo_index > req->nr_buffers)) {
625 NV_ERROR(cli, "reloc bo index invalid\n");
630 b = &bo[r->bo_index];
631 if (b->presumed.valid)
634 if (unlikely(r->reloc_bo_index > req->nr_buffers)) {
635 NV_ERROR(cli, "reloc container bo index invalid\n");
639 nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv;
641 if (unlikely(r->reloc_bo_offset + 4 >
642 nvbo->bo.mem.num_pages << PAGE_SHIFT)) {
643 NV_ERROR(cli, "reloc outside of bo\n");
648 if (!nvbo->kmap.virtual) {
649 ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages,
652 NV_ERROR(cli, "failed kmap for reloc\n");
655 nvbo->validate_mapped = true;
658 if (r->flags & NOUVEAU_GEM_RELOC_LOW)
659 data = b->presumed.offset + r->data;
661 if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
662 data = (b->presumed.offset + r->data) >> 32;
666 if (r->flags & NOUVEAU_GEM_RELOC_OR) {
667 if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART)
673 spin_lock(&nvbo->bo.bdev->fence_lock);
674 ret = ttm_bo_wait(&nvbo->bo, false, false, false);
675 spin_unlock(&nvbo->bo.bdev->fence_lock);
677 NV_ERROR(cli, "reloc wait_idle failed: %d\n", ret);
681 nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data);
689 nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
690 struct drm_file *file_priv)
692 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
693 struct nouveau_cli *cli = nouveau_cli(file_priv);
694 struct nouveau_abi16_chan *temp;
695 struct nouveau_drm *drm = nouveau_drm(dev);
696 struct drm_nouveau_gem_pushbuf *req = data;
697 struct drm_nouveau_gem_pushbuf_push *push;
698 struct drm_nouveau_gem_pushbuf_bo *bo;
699 struct nouveau_channel *chan = NULL;
700 struct validate_op op;
701 struct nouveau_fence *fence = NULL;
702 int i, j, ret = 0, do_reloc = 0;
704 if (unlikely(!abi16))
707 list_for_each_entry(temp, &abi16->channels, head) {
708 if (temp->chan->handle == (NVDRM_CHAN | req->channel)) {
715 return nouveau_abi16_put(abi16, -ENOENT);
717 req->vram_available = drm->gem.vram_available;
718 req->gart_available = drm->gem.gart_available;
719 if (unlikely(req->nr_push == 0))
722 if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) {
723 NV_ERROR(cli, "pushbuf push count exceeds limit: %d max %d\n",
724 req->nr_push, NOUVEAU_GEM_MAX_PUSH);
725 return nouveau_abi16_put(abi16, -EINVAL);
728 if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) {
729 NV_ERROR(cli, "pushbuf bo count exceeds limit: %d max %d\n",
730 req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS);
731 return nouveau_abi16_put(abi16, -EINVAL);
734 if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) {
735 NV_ERROR(cli, "pushbuf reloc count exceeds limit: %d max %d\n",
736 req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS);
737 return nouveau_abi16_put(abi16, -EINVAL);
740 push = u_memcpya(req->push, req->nr_push, sizeof(*push));
742 return nouveau_abi16_put(abi16, PTR_ERR(push));
744 bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
747 return nouveau_abi16_put(abi16, PTR_ERR(bo));
750 /* Ensure all push buffers are on validate list */
751 for (i = 0; i < req->nr_push; i++) {
752 if (push[i].bo_index >= req->nr_buffers) {
753 NV_ERROR(cli, "push %d buffer not in list\n", i);
759 /* Validate buffer list */
760 ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
761 req->nr_buffers, &op, &do_reloc);
763 if (ret != -ERESTARTSYS)
764 NV_ERROR(cli, "validate: %d\n", ret);
768 /* Apply any relocations that are required */
770 ret = nouveau_gem_pushbuf_reloc_apply(cli, req, bo);
772 NV_ERROR(cli, "reloc apply: %d\n", ret);
777 if (chan->dma.ib_max) {
778 ret = nouveau_dma_wait(chan, req->nr_push + 1, 16);
780 NV_ERROR(cli, "nv50cal_space: %d\n", ret);
784 for (i = 0; i < req->nr_push; i++) {
785 struct nouveau_bo *nvbo = (void *)(unsigned long)
786 bo[push[i].bo_index].user_priv;
788 nv50_dma_push(chan, nvbo, push[i].offset,
792 if (nv_device(drm->device)->chipset >= 0x25) {
793 ret = RING_SPACE(chan, req->nr_push * 2);
795 NV_ERROR(cli, "cal_space: %d\n", ret);
799 for (i = 0; i < req->nr_push; i++) {
800 struct nouveau_bo *nvbo = (void *)(unsigned long)
801 bo[push[i].bo_index].user_priv;
803 OUT_RING(chan, (nvbo->bo.offset + push[i].offset) | 2);
807 ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS));
809 NV_ERROR(cli, "jmp_space: %d\n", ret);
813 for (i = 0; i < req->nr_push; i++) {
814 struct nouveau_bo *nvbo = (void *)(unsigned long)
815 bo[push[i].bo_index].user_priv;
818 cmd = chan->push.vma.offset + ((chan->dma.cur + 2) << 2);
820 if (unlikely(cmd != req->suffix0)) {
821 if (!nvbo->kmap.virtual) {
822 ret = ttm_bo_kmap(&nvbo->bo, 0,
830 nvbo->validate_mapped = true;
833 nouveau_bo_wr32(nvbo, (push[i].offset +
834 push[i].length - 8) / 4, cmd);
837 OUT_RING(chan, 0x20000000 |
838 (nvbo->bo.offset + push[i].offset));
840 for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
845 ret = nouveau_fence_new(chan, false, &fence);
847 NV_ERROR(cli, "error fencing pushbuf: %d\n", ret);
853 validate_fini(&op, fence);
854 nouveau_fence_unref(&fence);
861 if (chan->dma.ib_max) {
862 req->suffix0 = 0x00000000;
863 req->suffix1 = 0x00000000;
865 if (nv_device(drm->device)->chipset >= 0x25) {
866 req->suffix0 = 0x00020000;
867 req->suffix1 = 0x00000000;
869 req->suffix0 = 0x20000000 |
870 (chan->push.vma.offset + ((chan->dma.cur + 2) << 2));
871 req->suffix1 = 0x00000000;
874 return nouveau_abi16_put(abi16, ret);
877 static inline uint32_t
878 domain_to_ttm(struct nouveau_bo *nvbo, uint32_t domain)
882 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
883 flags |= TTM_PL_FLAG_VRAM;
884 if (domain & NOUVEAU_GEM_DOMAIN_GART)
885 flags |= TTM_PL_FLAG_TT;
891 nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
892 struct drm_file *file_priv)
894 struct drm_nouveau_gem_cpu_prep *req = data;
895 struct drm_gem_object *gem;
896 struct nouveau_bo *nvbo;
897 bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT);
900 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
903 nvbo = nouveau_gem_object(gem);
905 spin_lock(&nvbo->bo.bdev->fence_lock);
906 ret = ttm_bo_wait(&nvbo->bo, true, true, no_wait);
907 spin_unlock(&nvbo->bo.bdev->fence_lock);
908 drm_gem_object_unreference_unlocked(gem);
913 nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
914 struct drm_file *file_priv)
920 nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
921 struct drm_file *file_priv)
923 struct drm_nouveau_gem_info *req = data;
924 struct drm_gem_object *gem;
927 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
931 ret = nouveau_gem_info(file_priv, gem, req);
932 drm_gem_object_unreference_unlocked(gem);