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.
29 #include "nouveau_drv.h"
30 #include "nouveau_drm.h"
31 #include "nouveau_dma.h"
33 #define nouveau_gem_pushbuf_sync(chan) 0
36 nouveau_gem_object_new(struct drm_gem_object *gem)
42 nouveau_gem_object_del(struct drm_gem_object *gem)
44 struct nouveau_bo *nvbo = gem->driver_private;
45 struct ttm_buffer_object *bo = &nvbo->bo;
51 if (unlikely(nvbo->cpu_filp))
52 ttm_bo_synccpu_write_release(bo);
54 if (unlikely(nvbo->pin_refcnt)) {
56 nouveau_bo_unpin(nvbo);
63 nouveau_gem_new(struct drm_device *dev, struct nouveau_channel *chan,
64 int size, int align, uint32_t flags, uint32_t tile_mode,
65 uint32_t tile_flags, bool no_vm, bool mappable,
66 struct nouveau_bo **pnvbo)
68 struct nouveau_bo *nvbo;
71 ret = nouveau_bo_new(dev, chan, size, align, flags, tile_mode,
72 tile_flags, no_vm, mappable, pnvbo);
77 nvbo->gem = drm_gem_object_alloc(dev, nvbo->bo.mem.size);
79 nouveau_bo_ref(NULL, pnvbo);
83 nvbo->bo.persistant_swap_storage = nvbo->gem->filp;
84 nvbo->gem->driver_private = nvbo;
89 nouveau_gem_info(struct drm_gem_object *gem, struct drm_nouveau_gem_info *rep)
91 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
93 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
94 rep->domain = NOUVEAU_GEM_DOMAIN_GART;
96 rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
98 rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
99 rep->offset = nvbo->bo.offset;
100 rep->map_handle = nvbo->mappable ? nvbo->bo.addr_space_offset : 0;
101 rep->tile_mode = nvbo->tile_mode;
102 rep->tile_flags = nvbo->tile_flags;
107 nouveau_gem_tile_flags_valid(struct drm_device *dev, uint32_t tile_flags) {
108 switch (tile_flags) {
119 NV_ERROR(dev, "bad page flags: 0x%08x\n", tile_flags);
127 nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
128 struct drm_file *file_priv)
130 struct drm_nouveau_private *dev_priv = dev->dev_private;
131 struct drm_nouveau_gem_new *req = data;
132 struct nouveau_bo *nvbo = NULL;
133 struct nouveau_channel *chan = NULL;
137 NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
139 if (unlikely(dev_priv->ttm.bdev.dev_mapping == NULL))
140 dev_priv->ttm.bdev.dev_mapping = dev_priv->dev->dev_mapping;
142 if (req->channel_hint) {
143 NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(req->channel_hint,
147 if (req->info.domain & NOUVEAU_GEM_DOMAIN_VRAM)
148 flags |= TTM_PL_FLAG_VRAM;
149 if (req->info.domain & NOUVEAU_GEM_DOMAIN_GART)
150 flags |= TTM_PL_FLAG_TT;
151 if (!flags || req->info.domain & NOUVEAU_GEM_DOMAIN_CPU)
152 flags |= TTM_PL_FLAG_SYSTEM;
154 if (!nouveau_gem_tile_flags_valid(dev, req->info.tile_flags))
157 ret = nouveau_gem_new(dev, chan, req->info.size, req->align, flags,
158 req->info.tile_mode, req->info.tile_flags, false,
159 (req->info.domain & NOUVEAU_GEM_DOMAIN_MAPPABLE),
164 ret = nouveau_gem_info(nvbo->gem, &req->info);
168 ret = drm_gem_handle_create(file_priv, nvbo->gem, &req->info.handle);
170 mutex_lock(&dev->struct_mutex);
171 drm_gem_object_handle_unreference(nvbo->gem);
172 mutex_unlock(&dev->struct_mutex);
175 drm_gem_object_unreference(nvbo->gem);
180 nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains,
181 uint32_t write_domains, uint32_t valid_domains)
183 struct nouveau_bo *nvbo = gem->driver_private;
184 struct ttm_buffer_object *bo = &nvbo->bo;
187 if (!valid_domains || (!read_domains && !write_domains))
191 if ((valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
192 (write_domains & NOUVEAU_GEM_DOMAIN_VRAM))
193 flags = TTM_PL_FLAG_VRAM;
195 if ((valid_domains & NOUVEAU_GEM_DOMAIN_GART) &&
196 (write_domains & NOUVEAU_GEM_DOMAIN_GART))
197 flags = TTM_PL_FLAG_TT;
201 if ((valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
202 (read_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
203 bo->mem.mem_type == TTM_PL_VRAM)
204 flags = TTM_PL_FLAG_VRAM;
206 if ((valid_domains & NOUVEAU_GEM_DOMAIN_GART) &&
207 (read_domains & NOUVEAU_GEM_DOMAIN_GART) &&
208 bo->mem.mem_type == TTM_PL_TT)
209 flags = TTM_PL_FLAG_TT;
211 if ((valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
212 (read_domains & NOUVEAU_GEM_DOMAIN_VRAM))
213 flags = TTM_PL_FLAG_VRAM;
215 flags = TTM_PL_FLAG_TT;
218 nouveau_bo_placement_set(nvbo, flags);
223 struct list_head vram_list;
224 struct list_head gart_list;
225 struct list_head both_list;
229 validate_fini_list(struct list_head *list, struct nouveau_fence *fence)
231 struct list_head *entry, *tmp;
232 struct nouveau_bo *nvbo;
234 list_for_each_safe(entry, tmp, list) {
235 nvbo = list_entry(entry, struct nouveau_bo, entry);
237 struct nouveau_fence *prev_fence;
239 spin_lock(&nvbo->bo.lock);
240 prev_fence = nvbo->bo.sync_obj;
241 nvbo->bo.sync_obj = nouveau_fence_ref(fence);
242 spin_unlock(&nvbo->bo.lock);
243 nouveau_fence_unref((void *)&prev_fence);
246 list_del(&nvbo->entry);
247 nvbo->reserved_by = NULL;
248 ttm_bo_unreserve(&nvbo->bo);
249 drm_gem_object_unreference(nvbo->gem);
254 validate_fini(struct validate_op *op, struct nouveau_fence* fence)
256 validate_fini_list(&op->vram_list, fence);
257 validate_fini_list(&op->gart_list, fence);
258 validate_fini_list(&op->both_list, fence);
262 validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
263 struct drm_nouveau_gem_pushbuf_bo *pbbo,
264 int nr_buffers, struct validate_op *op)
266 struct drm_device *dev = chan->dev;
267 struct drm_nouveau_private *dev_priv = dev->dev_private;
272 sequence = atomic_add_return(1, &dev_priv->ttm.validate_sequence);
274 if (++trycnt > 100000) {
275 NV_ERROR(dev, "%s failed and gave up.\n", __func__);
279 for (i = 0; i < nr_buffers; i++) {
280 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i];
281 struct drm_gem_object *gem;
282 struct nouveau_bo *nvbo;
284 gem = drm_gem_object_lookup(dev, file_priv, b->handle);
286 NV_ERROR(dev, "Unknown handle 0x%08x\n", b->handle);
287 validate_fini(op, NULL);
290 nvbo = gem->driver_private;
292 if (nvbo->reserved_by && nvbo->reserved_by == file_priv) {
293 NV_ERROR(dev, "multiple instances of buffer %d on "
294 "validation list\n", b->handle);
295 validate_fini(op, NULL);
299 ret = ttm_bo_reserve(&nvbo->bo, false, false, true, sequence);
301 validate_fini(op, NULL);
303 ret = ttm_bo_wait_unreserved(&nvbo->bo, false);
304 drm_gem_object_unreference(gem);
310 nvbo->reserved_by = file_priv;
311 nvbo->pbbo_index = i;
312 if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
313 (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART))
314 list_add_tail(&nvbo->entry, &op->both_list);
316 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
317 list_add_tail(&nvbo->entry, &op->vram_list);
319 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)
320 list_add_tail(&nvbo->entry, &op->gart_list);
322 NV_ERROR(dev, "invalid valid domains: 0x%08x\n",
324 list_add_tail(&nvbo->entry, &op->both_list);
325 validate_fini(op, NULL);
329 if (unlikely(atomic_read(&nvbo->bo.cpu_writers) > 0)) {
330 validate_fini(op, NULL);
332 if (nvbo->cpu_filp == file_priv) {
333 NV_ERROR(dev, "bo %p mapped by process trying "
334 "to validate it!\n", nvbo);
338 ret = ttm_bo_wait_cpu(&nvbo->bo, false);
349 validate_list(struct nouveau_channel *chan, struct list_head *list,
350 struct drm_nouveau_gem_pushbuf_bo *pbbo, uint64_t user_pbbo_ptr)
352 struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
353 (void __force __user *)(uintptr_t)user_pbbo_ptr;
354 struct nouveau_bo *nvbo;
357 list_for_each_entry(nvbo, list, entry) {
358 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
359 struct nouveau_fence *prev_fence = nvbo->bo.sync_obj;
361 if (prev_fence && nouveau_fence_channel(prev_fence) != chan) {
362 spin_lock(&nvbo->bo.lock);
363 ret = ttm_bo_wait(&nvbo->bo, false, false, false);
364 spin_unlock(&nvbo->bo.lock);
369 ret = nouveau_gem_set_domain(nvbo->gem, b->read_domains,
375 nvbo->channel = chan;
376 ret = ttm_bo_validate(&nvbo->bo, &nvbo->placement,
378 nvbo->channel = NULL;
382 if (nvbo->bo.offset == b->presumed_offset &&
383 ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
384 b->presumed_domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
385 (nvbo->bo.mem.mem_type == TTM_PL_TT &&
386 b->presumed_domain & NOUVEAU_GEM_DOMAIN_GART)))
389 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
390 b->presumed_domain = NOUVEAU_GEM_DOMAIN_GART;
392 b->presumed_domain = NOUVEAU_GEM_DOMAIN_VRAM;
393 b->presumed_offset = nvbo->bo.offset;
397 if (DRM_COPY_TO_USER(&upbbo[nvbo->pbbo_index], b, sizeof(*b)))
405 nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
406 struct drm_file *file_priv,
407 struct drm_nouveau_gem_pushbuf_bo *pbbo,
408 uint64_t user_buffers, int nr_buffers,
409 struct validate_op *op, int *apply_relocs)
413 INIT_LIST_HEAD(&op->vram_list);
414 INIT_LIST_HEAD(&op->gart_list);
415 INIT_LIST_HEAD(&op->both_list);
420 ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
424 ret = validate_list(chan, &op->vram_list, pbbo, user_buffers);
425 if (unlikely(ret < 0)) {
426 validate_fini(op, NULL);
431 ret = validate_list(chan, &op->gart_list, pbbo, user_buffers);
432 if (unlikely(ret < 0)) {
433 validate_fini(op, NULL);
438 ret = validate_list(chan, &op->both_list, pbbo, user_buffers);
439 if (unlikely(ret < 0)) {
440 validate_fini(op, NULL);
445 *apply_relocs = relocs;
450 u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
453 void __user *userptr = (void __force __user *)(uintptr_t)user;
455 mem = kmalloc(nmemb * size, GFP_KERNEL);
457 return ERR_PTR(-ENOMEM);
459 if (DRM_COPY_FROM_USER(mem, userptr, nmemb * size)) {
461 return ERR_PTR(-EFAULT);
468 nouveau_gem_pushbuf_reloc_apply(struct nouveau_channel *chan, int nr_bo,
469 struct drm_nouveau_gem_pushbuf_bo *bo,
470 unsigned nr_relocs, uint64_t ptr_relocs,
471 unsigned nr_dwords, unsigned first_dword,
472 uint32_t *pushbuf, bool is_iomem)
474 struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
475 struct drm_device *dev = chan->dev;
479 reloc = u_memcpya(ptr_relocs, nr_relocs, sizeof(*reloc));
481 return PTR_ERR(reloc);
483 for (i = 0; i < nr_relocs; i++) {
484 struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i];
485 struct drm_nouveau_gem_pushbuf_bo *b;
488 if (r->bo_index >= nr_bo || r->reloc_index < first_dword ||
489 r->reloc_index >= first_dword + nr_dwords) {
490 NV_ERROR(dev, "Bad relocation %d\n", i);
491 NV_ERROR(dev, " bo: %d max %d\n", r->bo_index, nr_bo);
492 NV_ERROR(dev, " id: %d max %d\n", r->reloc_index, nr_dwords);
497 b = &bo[r->bo_index];
501 if (r->flags & NOUVEAU_GEM_RELOC_LOW)
502 data = b->presumed_offset + r->data;
504 if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
505 data = (b->presumed_offset + r->data) >> 32;
509 if (r->flags & NOUVEAU_GEM_RELOC_OR) {
510 if (b->presumed_domain == NOUVEAU_GEM_DOMAIN_GART)
517 iowrite32_native(data, (void __force __iomem *)
518 &pushbuf[r->reloc_index]);
520 pushbuf[r->reloc_index] = data;
528 nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
529 struct drm_file *file_priv)
531 struct drm_nouveau_gem_pushbuf *req = data;
532 struct drm_nouveau_gem_pushbuf_bo *bo = NULL;
533 struct nouveau_channel *chan;
534 struct validate_op op;
535 struct nouveau_fence* fence = 0;
536 uint32_t *pushbuf = NULL;
537 int ret = 0, do_reloc = 0, i;
539 NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
540 NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(req->channel, file_priv, chan);
542 if (req->nr_dwords >= chan->dma.max ||
543 req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS ||
544 req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS) {
545 NV_ERROR(dev, "Pushbuf config exceeds limits:\n");
546 NV_ERROR(dev, " dwords : %d max %d\n", req->nr_dwords,
548 NV_ERROR(dev, " buffers: %d max %d\n", req->nr_buffers,
549 NOUVEAU_GEM_MAX_BUFFERS);
550 NV_ERROR(dev, " relocs : %d max %d\n", req->nr_relocs,
551 NOUVEAU_GEM_MAX_RELOCS);
555 pushbuf = u_memcpya(req->dwords, req->nr_dwords, sizeof(uint32_t));
557 return PTR_ERR(pushbuf);
559 bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
565 mutex_lock(&dev->struct_mutex);
567 /* Validate buffer list */
568 ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
569 req->nr_buffers, &op, &do_reloc);
573 /* Apply any relocations that are required */
575 ret = nouveau_gem_pushbuf_reloc_apply(chan, req->nr_buffers,
584 /* Emit push buffer to the hw
586 ret = RING_SPACE(chan, req->nr_dwords);
590 OUT_RINGp(chan, pushbuf, req->nr_dwords);
592 ret = nouveau_fence_new(chan, &fence, true);
594 NV_ERROR(dev, "error fencing pushbuf: %d\n", ret);
599 if (nouveau_gem_pushbuf_sync(chan)) {
600 ret = nouveau_fence_wait(fence, NULL, false, false);
602 for (i = 0; i < req->nr_dwords; i++)
603 NV_ERROR(dev, "0x%08x\n", pushbuf[i]);
604 NV_ERROR(dev, "^^ above push buffer is fail :(\n");
609 validate_fini(&op, fence);
610 nouveau_fence_unref((void**)&fence);
611 mutex_unlock(&dev->struct_mutex);
617 #define PUSHBUF_CAL (dev_priv->card_type >= NV_20)
620 nouveau_gem_ioctl_pushbuf_call(struct drm_device *dev, void *data,
621 struct drm_file *file_priv)
623 struct drm_nouveau_private *dev_priv = dev->dev_private;
624 struct drm_nouveau_gem_pushbuf_call *req = data;
625 struct drm_nouveau_gem_pushbuf_bo *bo = NULL;
626 struct nouveau_channel *chan;
627 struct drm_gem_object *gem;
628 struct nouveau_bo *pbbo;
629 struct validate_op op;
630 struct nouveau_fence* fence = 0;
631 int i, ret = 0, do_reloc = 0;
633 NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
634 NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(req->channel, file_priv, chan);
636 if (unlikely(req->handle == 0))
639 if (req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS ||
640 req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS) {
641 NV_ERROR(dev, "Pushbuf config exceeds limits:\n");
642 NV_ERROR(dev, " buffers: %d max %d\n", req->nr_buffers,
643 NOUVEAU_GEM_MAX_BUFFERS);
644 NV_ERROR(dev, " relocs : %d max %d\n", req->nr_relocs,
645 NOUVEAU_GEM_MAX_RELOCS);
649 bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
653 mutex_lock(&dev->struct_mutex);
655 /* Validate buffer list */
656 ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
657 req->nr_buffers, &op, &do_reloc);
659 NV_ERROR(dev, "validate: %d\n", ret);
663 /* Validate DMA push buffer */
664 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
666 NV_ERROR(dev, "Unknown pb handle 0x%08x\n", req->handle);
670 pbbo = nouveau_gem_object(gem);
672 if ((req->offset & 3) || req->nr_dwords < 2 ||
673 (unsigned long)req->offset > (unsigned long)pbbo->bo.mem.size ||
674 (unsigned long)req->nr_dwords >
675 ((unsigned long)(pbbo->bo.mem.size - req->offset ) >> 2)) {
676 NV_ERROR(dev, "pb call misaligned or out of bounds: "
677 "%d + %d * 4 > %ld\n",
678 req->offset, req->nr_dwords, pbbo->bo.mem.size);
680 drm_gem_object_unreference(gem);
684 ret = ttm_bo_reserve(&pbbo->bo, false, false, true,
685 chan->fence.sequence);
687 NV_ERROR(dev, "resv pb: %d\n", ret);
688 drm_gem_object_unreference(gem);
692 nouveau_bo_placement_set(pbbo, 1 << chan->pushbuf_bo->bo.mem.mem_type);
693 ret = ttm_bo_validate(&pbbo->bo, &pbbo->placement, false, false);
695 NV_ERROR(dev, "validate pb: %d\n", ret);
696 ttm_bo_unreserve(&pbbo->bo);
697 drm_gem_object_unreference(gem);
701 list_add_tail(&pbbo->entry, &op.both_list);
703 /* If presumed return address doesn't match, we need to map the
704 * push buffer and fix it..
709 if (chan->dma.free < 4 + NOUVEAU_DMA_SKIPS) {
710 ret = nouveau_dma_wait(chan, 4 + NOUVEAU_DMA_SKIPS);
712 NV_ERROR(dev, "jmp_space: %d\n", ret);
717 retaddy = chan->pushbuf_base + ((chan->dma.cur + 2) << 2);
718 retaddy |= 0x20000000;
719 if (retaddy != req->suffix0) {
720 req->suffix0 = retaddy;
725 /* Apply any relocations that are required */
729 ret = ttm_bo_kmap(&pbbo->bo, 0, pbbo->bo.mem.num_pages,
732 NV_ERROR(dev, "kmap pb: %d\n", ret);
736 pbvirt = ttm_kmap_obj_virtual(&pbbo->kmap, &is_iomem);
737 ret = nouveau_gem_pushbuf_reloc_apply(chan, req->nr_buffers, bo,
745 nouveau_bo_wr32(pbbo,
746 req->offset / 4 + req->nr_dwords - 2,
750 ttm_bo_kunmap(&pbbo->kmap);
752 NV_ERROR(dev, "reloc apply: %d\n", ret);
758 ret = RING_SPACE(chan, 2);
760 NV_ERROR(dev, "cal_space: %d\n", ret);
763 OUT_RING(chan, ((pbbo->bo.mem.mm_node->start << PAGE_SHIFT) +
767 ret = RING_SPACE(chan, 2 + NOUVEAU_DMA_SKIPS);
769 NV_ERROR(dev, "jmp_space: %d\n", ret);
772 OUT_RING(chan, ((pbbo->bo.mem.mm_node->start << PAGE_SHIFT) +
773 req->offset) | 0x20000000);
776 /* Space the jumps apart with NOPs. */
777 for (i = 0; i < NOUVEAU_DMA_SKIPS; i++)
781 ret = nouveau_fence_new(chan, &fence, true);
783 NV_ERROR(dev, "error fencing pushbuf: %d\n", ret);
789 validate_fini(&op, fence);
790 nouveau_fence_unref((void**)&fence);
791 mutex_unlock(&dev->struct_mutex);
796 req->suffix0 = 0x00020000;
797 req->suffix1 = 0x00000000;
799 req->suffix0 = 0x20000000 |
800 (chan->pushbuf_base + ((chan->dma.cur + 2) << 2));
801 req->suffix1 = 0x00000000;
808 nouveau_gem_ioctl_pushbuf_call2(struct drm_device *dev, void *data,
809 struct drm_file *file_priv)
811 struct drm_nouveau_private *dev_priv = dev->dev_private;
812 struct drm_nouveau_gem_pushbuf_call *req = data;
814 req->vram_available = dev_priv->fb_aper_free;
815 req->gart_available = dev_priv->gart_info.aper_free;
817 return nouveau_gem_ioctl_pushbuf_call(dev, data, file_priv);
820 static inline uint32_t
821 domain_to_ttm(struct nouveau_bo *nvbo, uint32_t domain)
825 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
826 flags |= TTM_PL_FLAG_VRAM;
827 if (domain & NOUVEAU_GEM_DOMAIN_GART)
828 flags |= TTM_PL_FLAG_TT;
834 nouveau_gem_ioctl_pin(struct drm_device *dev, void *data,
835 struct drm_file *file_priv)
837 struct drm_nouveau_gem_pin *req = data;
838 struct drm_gem_object *gem;
839 struct nouveau_bo *nvbo;
842 NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
844 if (drm_core_check_feature(dev, DRIVER_MODESET)) {
845 NV_ERROR(dev, "pin only allowed without kernel modesetting\n");
849 if (!DRM_SUSER(DRM_CURPROC))
852 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
855 nvbo = nouveau_gem_object(gem);
857 ret = nouveau_bo_pin(nvbo, domain_to_ttm(nvbo, req->domain));
861 req->offset = nvbo->bo.offset;
862 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
863 req->domain = NOUVEAU_GEM_DOMAIN_GART;
865 req->domain = NOUVEAU_GEM_DOMAIN_VRAM;
868 mutex_lock(&dev->struct_mutex);
869 drm_gem_object_unreference(gem);
870 mutex_unlock(&dev->struct_mutex);
876 nouveau_gem_ioctl_unpin(struct drm_device *dev, void *data,
877 struct drm_file *file_priv)
879 struct drm_nouveau_gem_pin *req = data;
880 struct drm_gem_object *gem;
883 NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
885 if (drm_core_check_feature(dev, DRIVER_MODESET))
888 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
892 ret = nouveau_bo_unpin(nouveau_gem_object(gem));
894 mutex_lock(&dev->struct_mutex);
895 drm_gem_object_unreference(gem);
896 mutex_unlock(&dev->struct_mutex);
902 nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
903 struct drm_file *file_priv)
905 struct drm_nouveau_gem_cpu_prep *req = data;
906 struct drm_gem_object *gem;
907 struct nouveau_bo *nvbo;
908 bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT);
911 NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
913 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
916 nvbo = nouveau_gem_object(gem);
918 if (nvbo->cpu_filp) {
919 if (nvbo->cpu_filp == file_priv)
922 ret = ttm_bo_wait_cpu(&nvbo->bo, no_wait);
927 if (req->flags & NOUVEAU_GEM_CPU_PREP_NOBLOCK) {
928 spin_lock(&nvbo->bo.lock);
929 ret = ttm_bo_wait(&nvbo->bo, false, false, no_wait);
930 spin_unlock(&nvbo->bo.lock);
932 ret = ttm_bo_synccpu_write_grab(&nvbo->bo, no_wait);
934 nvbo->cpu_filp = file_priv;
938 mutex_lock(&dev->struct_mutex);
939 drm_gem_object_unreference(gem);
940 mutex_unlock(&dev->struct_mutex);
945 nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
946 struct drm_file *file_priv)
948 struct drm_nouveau_gem_cpu_prep *req = data;
949 struct drm_gem_object *gem;
950 struct nouveau_bo *nvbo;
953 NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
955 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
958 nvbo = nouveau_gem_object(gem);
960 if (nvbo->cpu_filp != file_priv)
962 nvbo->cpu_filp = NULL;
964 ttm_bo_synccpu_write_release(&nvbo->bo);
968 mutex_lock(&dev->struct_mutex);
969 drm_gem_object_unreference(gem);
970 mutex_unlock(&dev->struct_mutex);
975 nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
976 struct drm_file *file_priv)
978 struct drm_nouveau_gem_info *req = data;
979 struct drm_gem_object *gem;
982 NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
984 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
988 ret = nouveau_gem_info(gem, req);
989 mutex_lock(&dev->struct_mutex);
990 drm_gem_object_unreference(gem);
991 mutex_unlock(&dev->struct_mutex);