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_new(struct drm_gem_object *gem)
44 nouveau_gem_object_del(struct drm_gem_object *gem)
46 struct nouveau_bo *nvbo = gem->driver_private;
47 struct ttm_buffer_object *bo = &nvbo->bo;
53 if (gem->import_attach)
54 drm_prime_gem_destroy(gem, nvbo->bo.sg);
58 drm_gem_object_release(gem);
63 nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
65 struct nouveau_cli *cli = nouveau_cli(file_priv);
66 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
67 struct nouveau_vma *vma;
73 ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
77 vma = nouveau_bo_vma_find(nvbo, cli->base.vm);
79 vma = kzalloc(sizeof(*vma), GFP_KERNEL);
85 ret = nouveau_bo_vma_add(nvbo, cli->base.vm, vma);
95 ttm_bo_unreserve(&nvbo->bo);
100 nouveau_gem_object_delete(void *data)
102 struct nouveau_vma *vma = data;
103 nouveau_vm_unmap(vma);
109 nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nouveau_vma *vma)
111 const bool mapped = nvbo->bo.mem.mem_type != TTM_PL_SYSTEM;
112 struct nouveau_fence *fence = NULL;
114 list_del(&vma->head);
117 spin_lock(&nvbo->bo.bdev->fence_lock);
118 if (nvbo->bo.sync_obj)
119 fence = nouveau_fence_ref(nvbo->bo.sync_obj);
120 spin_unlock(&nvbo->bo.bdev->fence_lock);
124 nouveau_fence_work(fence, nouveau_gem_object_delete, vma);
127 nouveau_vm_unmap(vma);
131 nouveau_fence_unref(&fence);
135 nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
137 struct nouveau_cli *cli = nouveau_cli(file_priv);
138 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
139 struct nouveau_vma *vma;
145 ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
149 vma = nouveau_bo_vma_find(nvbo, cli->base.vm);
151 if (--vma->refcount == 0)
152 nouveau_gem_object_unmap(nvbo, vma);
154 ttm_bo_unreserve(&nvbo->bo);
158 nouveau_gem_new(struct drm_device *dev, int size, int align, uint32_t domain,
159 uint32_t tile_mode, uint32_t tile_flags,
160 struct nouveau_bo **pnvbo)
162 struct nouveau_drm *drm = nouveau_drm(dev);
163 struct nouveau_bo *nvbo;
167 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
168 flags |= TTM_PL_FLAG_VRAM;
169 if (domain & NOUVEAU_GEM_DOMAIN_GART)
170 flags |= TTM_PL_FLAG_TT;
171 if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU)
172 flags |= TTM_PL_FLAG_SYSTEM;
174 ret = nouveau_bo_new(dev, size, align, flags, tile_mode,
175 tile_flags, NULL, pnvbo);
180 /* we restrict allowed domains on nv50+ to only the types
181 * that were requested at creation time. not possibly on
182 * earlier chips without busting the ABI.
184 nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM |
185 NOUVEAU_GEM_DOMAIN_GART;
186 if (nv_device(drm->device)->card_type >= NV_50)
187 nvbo->valid_domains &= domain;
189 nvbo->gem = drm_gem_object_alloc(dev, nvbo->bo.mem.size);
191 nouveau_bo_ref(NULL, pnvbo);
195 nvbo->bo.persistent_swap_storage = nvbo->gem->filp;
196 nvbo->gem->driver_private = nvbo;
201 nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
202 struct drm_nouveau_gem_info *rep)
204 struct nouveau_cli *cli = nouveau_cli(file_priv);
205 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
206 struct nouveau_vma *vma;
208 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
209 rep->domain = NOUVEAU_GEM_DOMAIN_GART;
211 rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
213 rep->offset = nvbo->bo.offset;
215 vma = nouveau_bo_vma_find(nvbo, cli->base.vm);
219 rep->offset = vma->offset;
222 rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
223 rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.vma_node);
224 rep->tile_mode = nvbo->tile_mode;
225 rep->tile_flags = nvbo->tile_flags;
230 nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
231 struct drm_file *file_priv)
233 struct nouveau_drm *drm = nouveau_drm(dev);
234 struct nouveau_cli *cli = nouveau_cli(file_priv);
235 struct nouveau_fb *pfb = nouveau_fb(drm->device);
236 struct drm_nouveau_gem_new *req = data;
237 struct nouveau_bo *nvbo = NULL;
240 drm->ttm.bdev.dev_mapping = drm->dev->dev_mapping;
242 if (!pfb->memtype_valid(pfb, req->info.tile_flags)) {
243 NV_ERROR(cli, "bad page flags: 0x%08x\n", req->info.tile_flags);
247 ret = nouveau_gem_new(dev, req->info.size, req->align,
248 req->info.domain, req->info.tile_mode,
249 req->info.tile_flags, &nvbo);
253 ret = drm_gem_handle_create(file_priv, nvbo->gem, &req->info.handle);
255 ret = nouveau_gem_info(file_priv, nvbo->gem, &req->info);
257 drm_gem_handle_delete(file_priv, req->info.handle);
260 /* drop reference from allocate - handle holds it now */
261 drm_gem_object_unreference_unlocked(nvbo->gem);
266 nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains,
267 uint32_t write_domains, uint32_t valid_domains)
269 struct nouveau_bo *nvbo = gem->driver_private;
270 struct ttm_buffer_object *bo = &nvbo->bo;
271 uint32_t domains = valid_domains & nvbo->valid_domains &
272 (write_domains ? write_domains : read_domains);
273 uint32_t pref_flags = 0, valid_flags = 0;
278 if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
279 valid_flags |= TTM_PL_FLAG_VRAM;
281 if (valid_domains & NOUVEAU_GEM_DOMAIN_GART)
282 valid_flags |= TTM_PL_FLAG_TT;
284 if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
285 bo->mem.mem_type == TTM_PL_VRAM)
286 pref_flags |= TTM_PL_FLAG_VRAM;
288 else if ((domains & NOUVEAU_GEM_DOMAIN_GART) &&
289 bo->mem.mem_type == TTM_PL_TT)
290 pref_flags |= TTM_PL_FLAG_TT;
292 else if (domains & NOUVEAU_GEM_DOMAIN_VRAM)
293 pref_flags |= TTM_PL_FLAG_VRAM;
296 pref_flags |= TTM_PL_FLAG_TT;
298 nouveau_bo_placement_set(nvbo, pref_flags, valid_flags);
304 struct list_head vram_list;
305 struct list_head gart_list;
306 struct list_head both_list;
307 struct ww_acquire_ctx ticket;
311 validate_fini_list(struct list_head *list, struct nouveau_fence *fence,
312 struct ww_acquire_ctx *ticket)
314 struct list_head *entry, *tmp;
315 struct nouveau_bo *nvbo;
317 list_for_each_safe(entry, tmp, list) {
318 nvbo = list_entry(entry, struct nouveau_bo, entry);
320 nouveau_bo_fence(nvbo, fence);
322 if (unlikely(nvbo->validate_mapped)) {
323 ttm_bo_kunmap(&nvbo->kmap);
324 nvbo->validate_mapped = false;
327 list_del(&nvbo->entry);
328 nvbo->reserved_by = NULL;
329 ttm_bo_unreserve_ticket(&nvbo->bo, ticket);
330 drm_gem_object_unreference_unlocked(nvbo->gem);
335 validate_fini_no_ticket(struct validate_op *op, struct nouveau_fence *fence)
337 validate_fini_list(&op->vram_list, fence, &op->ticket);
338 validate_fini_list(&op->gart_list, fence, &op->ticket);
339 validate_fini_list(&op->both_list, fence, &op->ticket);
343 validate_fini(struct validate_op *op, struct nouveau_fence *fence)
345 validate_fini_no_ticket(op, fence);
346 ww_acquire_fini(&op->ticket);
350 validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
351 struct drm_nouveau_gem_pushbuf_bo *pbbo,
352 int nr_buffers, struct validate_op *op)
354 struct nouveau_cli *cli = nouveau_cli(file_priv);
355 struct drm_device *dev = chan->drm->dev;
358 struct nouveau_bo *res_bo = NULL;
360 ww_acquire_init(&op->ticket, &reservation_ww_class);
362 if (++trycnt > 100000) {
363 NV_ERROR(cli, "%s failed and gave up.\n", __func__);
367 for (i = 0; i < nr_buffers; i++) {
368 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i];
369 struct drm_gem_object *gem;
370 struct nouveau_bo *nvbo;
372 gem = drm_gem_object_lookup(dev, file_priv, b->handle);
374 NV_ERROR(cli, "Unknown handle 0x%08x\n", b->handle);
375 ww_acquire_done(&op->ticket);
376 validate_fini(op, NULL);
379 nvbo = gem->driver_private;
380 if (nvbo == res_bo) {
382 drm_gem_object_unreference_unlocked(gem);
386 if (nvbo->reserved_by && nvbo->reserved_by == file_priv) {
387 NV_ERROR(cli, "multiple instances of buffer %d on "
388 "validation list\n", b->handle);
389 drm_gem_object_unreference_unlocked(gem);
390 ww_acquire_done(&op->ticket);
391 validate_fini(op, NULL);
395 ret = ttm_bo_reserve(&nvbo->bo, true, false, true, &op->ticket);
397 validate_fini_no_ticket(op, NULL);
398 if (unlikely(ret == -EDEADLK)) {
399 ret = ttm_bo_reserve_slowpath(&nvbo->bo, true,
405 ww_acquire_done(&op->ticket);
406 ww_acquire_fini(&op->ticket);
407 drm_gem_object_unreference_unlocked(gem);
408 if (ret != -ERESTARTSYS)
409 NV_ERROR(cli, "fail reserve\n");
414 b->user_priv = (uint64_t)(unsigned long)nvbo;
415 nvbo->reserved_by = file_priv;
416 nvbo->pbbo_index = i;
417 if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
418 (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART))
419 list_add_tail(&nvbo->entry, &op->both_list);
421 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
422 list_add_tail(&nvbo->entry, &op->vram_list);
424 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)
425 list_add_tail(&nvbo->entry, &op->gart_list);
427 NV_ERROR(cli, "invalid valid domains: 0x%08x\n",
429 list_add_tail(&nvbo->entry, &op->both_list);
430 ww_acquire_done(&op->ticket);
431 validate_fini(op, NULL);
438 ww_acquire_done(&op->ticket);
443 validate_sync(struct nouveau_channel *chan, struct nouveau_bo *nvbo)
445 struct nouveau_fence *fence = NULL;
448 spin_lock(&nvbo->bo.bdev->fence_lock);
449 if (nvbo->bo.sync_obj)
450 fence = nouveau_fence_ref(nvbo->bo.sync_obj);
451 spin_unlock(&nvbo->bo.bdev->fence_lock);
454 ret = nouveau_fence_sync(fence, chan);
455 nouveau_fence_unref(&fence);
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)
466 struct nouveau_drm *drm = chan->drm;
467 struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
468 (void __force __user *)(uintptr_t)user_pbbo_ptr;
469 struct nouveau_bo *nvbo;
472 list_for_each_entry(nvbo, list, entry) {
473 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
475 ret = validate_sync(chan, nvbo);
477 NV_ERROR(cli, "fail pre-validate sync\n");
481 ret = nouveau_gem_set_domain(nvbo->gem, b->read_domains,
485 NV_ERROR(cli, "fail set_domain\n");
489 ret = nouveau_bo_validate(nvbo, true, false);
491 if (ret != -ERESTARTSYS)
492 NV_ERROR(cli, "fail ttm_validate\n");
496 ret = validate_sync(chan, nvbo);
498 NV_ERROR(cli, "fail post-validate sync\n");
502 if (nv_device(drm->device)->card_type < NV_50) {
503 if (nvbo->bo.offset == b->presumed.offset &&
504 ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
505 b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
506 (nvbo->bo.mem.mem_type == TTM_PL_TT &&
507 b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
510 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
511 b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
513 b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
514 b->presumed.offset = nvbo->bo.offset;
515 b->presumed.valid = 0;
518 if (DRM_COPY_TO_USER(&upbbo[nvbo->pbbo_index].presumed,
519 &b->presumed, sizeof(b->presumed)))
528 nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
529 struct drm_file *file_priv,
530 struct drm_nouveau_gem_pushbuf_bo *pbbo,
531 uint64_t user_buffers, int nr_buffers,
532 struct validate_op *op, int *apply_relocs)
534 struct nouveau_cli *cli = nouveau_cli(file_priv);
537 INIT_LIST_HEAD(&op->vram_list);
538 INIT_LIST_HEAD(&op->gart_list);
539 INIT_LIST_HEAD(&op->both_list);
544 ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
546 if (ret != -ERESTARTSYS)
547 NV_ERROR(cli, "validate_init\n");
551 ret = validate_list(chan, cli, &op->vram_list, pbbo, user_buffers);
552 if (unlikely(ret < 0)) {
553 if (ret != -ERESTARTSYS)
554 NV_ERROR(cli, "validate vram_list\n");
555 validate_fini(op, NULL);
560 ret = validate_list(chan, cli, &op->gart_list, pbbo, user_buffers);
561 if (unlikely(ret < 0)) {
562 if (ret != -ERESTARTSYS)
563 NV_ERROR(cli, "validate gart_list\n");
564 validate_fini(op, NULL);
569 ret = validate_list(chan, cli, &op->both_list, pbbo, user_buffers);
570 if (unlikely(ret < 0)) {
571 if (ret != -ERESTARTSYS)
572 NV_ERROR(cli, "validate both_list\n");
573 validate_fini(op, NULL);
578 *apply_relocs = relocs;
583 u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
586 void __user *userptr = (void __force __user *)(uintptr_t)user;
588 mem = kmalloc(nmemb * size, GFP_KERNEL);
590 return ERR_PTR(-ENOMEM);
592 if (DRM_COPY_FROM_USER(mem, userptr, nmemb * size)) {
594 return ERR_PTR(-EFAULT);
601 nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
602 struct drm_nouveau_gem_pushbuf *req,
603 struct drm_nouveau_gem_pushbuf_bo *bo)
605 struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
609 reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc));
611 return PTR_ERR(reloc);
613 for (i = 0; i < req->nr_relocs; i++) {
614 struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i];
615 struct drm_nouveau_gem_pushbuf_bo *b;
616 struct nouveau_bo *nvbo;
619 if (unlikely(r->bo_index > req->nr_buffers)) {
620 NV_ERROR(cli, "reloc bo index invalid\n");
625 b = &bo[r->bo_index];
626 if (b->presumed.valid)
629 if (unlikely(r->reloc_bo_index > req->nr_buffers)) {
630 NV_ERROR(cli, "reloc container bo index invalid\n");
634 nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv;
636 if (unlikely(r->reloc_bo_offset + 4 >
637 nvbo->bo.mem.num_pages << PAGE_SHIFT)) {
638 NV_ERROR(cli, "reloc outside of bo\n");
643 if (!nvbo->kmap.virtual) {
644 ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages,
647 NV_ERROR(cli, "failed kmap for reloc\n");
650 nvbo->validate_mapped = true;
653 if (r->flags & NOUVEAU_GEM_RELOC_LOW)
654 data = b->presumed.offset + r->data;
656 if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
657 data = (b->presumed.offset + r->data) >> 32;
661 if (r->flags & NOUVEAU_GEM_RELOC_OR) {
662 if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART)
668 spin_lock(&nvbo->bo.bdev->fence_lock);
669 ret = ttm_bo_wait(&nvbo->bo, false, false, false);
670 spin_unlock(&nvbo->bo.bdev->fence_lock);
672 NV_ERROR(cli, "reloc wait_idle failed: %d\n", ret);
676 nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data);
684 nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
685 struct drm_file *file_priv)
687 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
688 struct nouveau_cli *cli = nouveau_cli(file_priv);
689 struct nouveau_abi16_chan *temp;
690 struct nouveau_drm *drm = nouveau_drm(dev);
691 struct drm_nouveau_gem_pushbuf *req = data;
692 struct drm_nouveau_gem_pushbuf_push *push;
693 struct drm_nouveau_gem_pushbuf_bo *bo;
694 struct nouveau_channel *chan = NULL;
695 struct validate_op op;
696 struct nouveau_fence *fence = NULL;
697 int i, j, ret = 0, do_reloc = 0;
699 if (unlikely(!abi16))
702 list_for_each_entry(temp, &abi16->channels, head) {
703 if (temp->chan->handle == (NVDRM_CHAN | req->channel)) {
710 return nouveau_abi16_put(abi16, -ENOENT);
712 req->vram_available = drm->gem.vram_available;
713 req->gart_available = drm->gem.gart_available;
714 if (unlikely(req->nr_push == 0))
717 if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) {
718 NV_ERROR(cli, "pushbuf push count exceeds limit: %d max %d\n",
719 req->nr_push, NOUVEAU_GEM_MAX_PUSH);
720 return nouveau_abi16_put(abi16, -EINVAL);
723 if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) {
724 NV_ERROR(cli, "pushbuf bo count exceeds limit: %d max %d\n",
725 req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS);
726 return nouveau_abi16_put(abi16, -EINVAL);
729 if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) {
730 NV_ERROR(cli, "pushbuf reloc count exceeds limit: %d max %d\n",
731 req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS);
732 return nouveau_abi16_put(abi16, -EINVAL);
735 push = u_memcpya(req->push, req->nr_push, sizeof(*push));
737 return nouveau_abi16_put(abi16, PTR_ERR(push));
739 bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
742 return nouveau_abi16_put(abi16, PTR_ERR(bo));
745 /* Ensure all push buffers are on validate list */
746 for (i = 0; i < req->nr_push; i++) {
747 if (push[i].bo_index >= req->nr_buffers) {
748 NV_ERROR(cli, "push %d buffer not in list\n", i);
754 /* Validate buffer list */
755 ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
756 req->nr_buffers, &op, &do_reloc);
758 if (ret != -ERESTARTSYS)
759 NV_ERROR(cli, "validate: %d\n", ret);
763 /* Apply any relocations that are required */
765 ret = nouveau_gem_pushbuf_reloc_apply(cli, req, bo);
767 NV_ERROR(cli, "reloc apply: %d\n", ret);
772 if (chan->dma.ib_max) {
773 ret = nouveau_dma_wait(chan, req->nr_push + 1, 16);
775 NV_ERROR(cli, "nv50cal_space: %d\n", ret);
779 for (i = 0; i < req->nr_push; i++) {
780 struct nouveau_bo *nvbo = (void *)(unsigned long)
781 bo[push[i].bo_index].user_priv;
783 nv50_dma_push(chan, nvbo, push[i].offset,
787 if (nv_device(drm->device)->chipset >= 0x25) {
788 ret = RING_SPACE(chan, req->nr_push * 2);
790 NV_ERROR(cli, "cal_space: %d\n", ret);
794 for (i = 0; i < req->nr_push; i++) {
795 struct nouveau_bo *nvbo = (void *)(unsigned long)
796 bo[push[i].bo_index].user_priv;
798 OUT_RING(chan, (nvbo->bo.offset + push[i].offset) | 2);
802 ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS));
804 NV_ERROR(cli, "jmp_space: %d\n", ret);
808 for (i = 0; i < req->nr_push; i++) {
809 struct nouveau_bo *nvbo = (void *)(unsigned long)
810 bo[push[i].bo_index].user_priv;
813 cmd = chan->push.vma.offset + ((chan->dma.cur + 2) << 2);
815 if (unlikely(cmd != req->suffix0)) {
816 if (!nvbo->kmap.virtual) {
817 ret = ttm_bo_kmap(&nvbo->bo, 0,
825 nvbo->validate_mapped = true;
828 nouveau_bo_wr32(nvbo, (push[i].offset +
829 push[i].length - 8) / 4, cmd);
832 OUT_RING(chan, 0x20000000 |
833 (nvbo->bo.offset + push[i].offset));
835 for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
840 ret = nouveau_fence_new(chan, false, &fence);
842 NV_ERROR(cli, "error fencing pushbuf: %d\n", ret);
848 validate_fini(&op, fence);
849 nouveau_fence_unref(&fence);
856 if (chan->dma.ib_max) {
857 req->suffix0 = 0x00000000;
858 req->suffix1 = 0x00000000;
860 if (nv_device(drm->device)->chipset >= 0x25) {
861 req->suffix0 = 0x00020000;
862 req->suffix1 = 0x00000000;
864 req->suffix0 = 0x20000000 |
865 (chan->push.vma.offset + ((chan->dma.cur + 2) << 2));
866 req->suffix1 = 0x00000000;
869 return nouveau_abi16_put(abi16, ret);
872 static inline uint32_t
873 domain_to_ttm(struct nouveau_bo *nvbo, uint32_t domain)
877 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
878 flags |= TTM_PL_FLAG_VRAM;
879 if (domain & NOUVEAU_GEM_DOMAIN_GART)
880 flags |= TTM_PL_FLAG_TT;
886 nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
887 struct drm_file *file_priv)
889 struct drm_nouveau_gem_cpu_prep *req = data;
890 struct drm_gem_object *gem;
891 struct nouveau_bo *nvbo;
892 bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT);
895 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
898 nvbo = nouveau_gem_object(gem);
900 spin_lock(&nvbo->bo.bdev->fence_lock);
901 ret = ttm_bo_wait(&nvbo->bo, true, true, no_wait);
902 spin_unlock(&nvbo->bo.bdev->fence_lock);
903 drm_gem_object_unreference_unlocked(gem);
908 nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
909 struct drm_file *file_priv)
915 nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
916 struct drm_file *file_priv)
918 struct drm_nouveau_gem_info *req = data;
919 struct drm_gem_object *gem;
922 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
926 ret = nouveau_gem_info(file_priv, gem, req);
927 drm_gem_object_unreference_unlocked(gem);