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 nouveau_fence *fence;
224 struct list_head vram_list;
225 struct list_head gart_list;
226 struct list_head both_list;
230 validate_fini_list(struct list_head *list, struct nouveau_fence *fence)
232 struct list_head *entry, *tmp;
233 struct nouveau_bo *nvbo;
235 list_for_each_safe(entry, tmp, list) {
236 nvbo = list_entry(entry, struct nouveau_bo, entry);
238 struct nouveau_fence *prev_fence;
240 spin_lock(&nvbo->bo.lock);
241 prev_fence = nvbo->bo.sync_obj;
242 nvbo->bo.sync_obj = nouveau_fence_ref(fence);
243 spin_unlock(&nvbo->bo.lock);
244 nouveau_fence_unref((void *)&prev_fence);
247 list_del(&nvbo->entry);
248 nvbo->reserved_by = NULL;
249 ttm_bo_unreserve(&nvbo->bo);
250 drm_gem_object_unreference(nvbo->gem);
255 validate_fini(struct validate_op *op, bool success)
257 struct nouveau_fence *fence = op->fence;
259 if (unlikely(!success))
262 validate_fini_list(&op->vram_list, op->fence);
263 validate_fini_list(&op->gart_list, op->fence);
264 validate_fini_list(&op->both_list, op->fence);
265 nouveau_fence_unref((void *)&fence);
269 validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
270 struct drm_nouveau_gem_pushbuf_bo *pbbo,
271 int nr_buffers, struct validate_op *op)
273 struct drm_device *dev = chan->dev;
274 struct drm_nouveau_private *dev_priv = dev->dev_private;
279 sequence = atomic_add_return(1, &dev_priv->ttm.validate_sequence);
281 if (++trycnt > 100000) {
282 NV_ERROR(dev, "%s failed and gave up.\n", __func__);
286 for (i = 0; i < nr_buffers; i++) {
287 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i];
288 struct drm_gem_object *gem;
289 struct nouveau_bo *nvbo;
291 gem = drm_gem_object_lookup(dev, file_priv, b->handle);
293 NV_ERROR(dev, "Unknown handle 0x%08x\n", b->handle);
294 validate_fini(op, NULL);
297 nvbo = gem->driver_private;
299 if (nvbo->reserved_by && nvbo->reserved_by == file_priv) {
300 NV_ERROR(dev, "multiple instances of buffer %d on "
301 "validation list\n", b->handle);
302 validate_fini(op, NULL);
306 ret = ttm_bo_reserve(&nvbo->bo, false, false, true, sequence);
308 validate_fini(op, NULL);
310 ret = ttm_bo_wait_unreserved(&nvbo->bo, false);
311 drm_gem_object_unreference(gem);
317 nvbo->reserved_by = file_priv;
318 nvbo->pbbo_index = i;
319 if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
320 (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART))
321 list_add_tail(&nvbo->entry, &op->both_list);
323 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
324 list_add_tail(&nvbo->entry, &op->vram_list);
326 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)
327 list_add_tail(&nvbo->entry, &op->gart_list);
329 NV_ERROR(dev, "invalid valid domains: 0x%08x\n",
331 validate_fini(op, NULL);
335 if (unlikely(atomic_read(&nvbo->bo.cpu_writers) > 0)) {
336 validate_fini(op, NULL);
338 if (nvbo->cpu_filp == file_priv) {
339 NV_ERROR(dev, "bo %p mapped by process trying "
340 "to validate it!\n", nvbo);
344 ret = ttm_bo_wait_cpu(&nvbo->bo, false);
355 validate_list(struct nouveau_channel *chan, struct list_head *list,
356 struct drm_nouveau_gem_pushbuf_bo *pbbo, uint64_t user_pbbo_ptr)
358 struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
359 (void __force __user *)(uintptr_t)user_pbbo_ptr;
360 struct nouveau_bo *nvbo;
363 list_for_each_entry(nvbo, list, entry) {
364 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
365 struct nouveau_fence *prev_fence = nvbo->bo.sync_obj;
367 if (prev_fence && nouveau_fence_channel(prev_fence) != chan) {
368 spin_lock(&nvbo->bo.lock);
369 ret = ttm_bo_wait(&nvbo->bo, false, false, false);
370 spin_unlock(&nvbo->bo.lock);
375 ret = nouveau_gem_set_domain(nvbo->gem, b->read_domains,
381 nvbo->channel = chan;
382 ret = ttm_bo_validate(&nvbo->bo, &nvbo->placement,
384 nvbo->channel = NULL;
388 if (nvbo->bo.offset == b->presumed_offset &&
389 ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
390 b->presumed_domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
391 (nvbo->bo.mem.mem_type == TTM_PL_TT &&
392 b->presumed_domain & NOUVEAU_GEM_DOMAIN_GART)))
395 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
396 b->presumed_domain = NOUVEAU_GEM_DOMAIN_GART;
398 b->presumed_domain = NOUVEAU_GEM_DOMAIN_VRAM;
399 b->presumed_offset = nvbo->bo.offset;
403 if (DRM_COPY_TO_USER(&upbbo[nvbo->pbbo_index], b, sizeof(*b)))
411 nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
412 struct drm_file *file_priv,
413 struct drm_nouveau_gem_pushbuf_bo *pbbo,
414 uint64_t user_buffers, int nr_buffers,
415 struct validate_op *op, int *apply_relocs)
419 INIT_LIST_HEAD(&op->vram_list);
420 INIT_LIST_HEAD(&op->gart_list);
421 INIT_LIST_HEAD(&op->both_list);
423 ret = nouveau_fence_new(chan, &op->fence, false);
430 ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
434 ret = validate_list(chan, &op->vram_list, pbbo, user_buffers);
435 if (unlikely(ret < 0)) {
436 validate_fini(op, NULL);
441 ret = validate_list(chan, &op->gart_list, pbbo, user_buffers);
442 if (unlikely(ret < 0)) {
443 validate_fini(op, NULL);
448 ret = validate_list(chan, &op->both_list, pbbo, user_buffers);
449 if (unlikely(ret < 0)) {
450 validate_fini(op, NULL);
455 *apply_relocs = relocs;
460 u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
463 void __user *userptr = (void __force __user *)(uintptr_t)user;
465 mem = kmalloc(nmemb * size, GFP_KERNEL);
467 return ERR_PTR(-ENOMEM);
469 if (DRM_COPY_FROM_USER(mem, userptr, nmemb * size)) {
471 return ERR_PTR(-EFAULT);
478 nouveau_gem_pushbuf_reloc_apply(struct nouveau_channel *chan, int nr_bo,
479 struct drm_nouveau_gem_pushbuf_bo *bo,
480 int nr_relocs, uint64_t ptr_relocs,
481 int nr_dwords, int first_dword,
482 uint32_t *pushbuf, bool is_iomem)
484 struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
485 struct drm_device *dev = chan->dev;
488 reloc = u_memcpya(ptr_relocs, nr_relocs, sizeof(*reloc));
490 return PTR_ERR(reloc);
492 for (i = 0; i < nr_relocs; i++) {
493 struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i];
494 struct drm_nouveau_gem_pushbuf_bo *b;
497 if (r->bo_index >= nr_bo || r->reloc_index < first_dword ||
498 r->reloc_index >= first_dword + nr_dwords) {
499 NV_ERROR(dev, "Bad relocation %d\n", i);
500 NV_ERROR(dev, " bo: %d max %d\n", r->bo_index, nr_bo);
501 NV_ERROR(dev, " id: %d max %d\n", r->reloc_index, nr_dwords);
506 b = &bo[r->bo_index];
510 if (r->flags & NOUVEAU_GEM_RELOC_LOW)
511 data = b->presumed_offset + r->data;
513 if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
514 data = (b->presumed_offset + r->data) >> 32;
518 if (r->flags & NOUVEAU_GEM_RELOC_OR) {
519 if (b->presumed_domain == NOUVEAU_GEM_DOMAIN_GART)
526 iowrite32_native(data, (void __force __iomem *)
527 &pushbuf[r->reloc_index]);
529 pushbuf[r->reloc_index] = data;
537 nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
538 struct drm_file *file_priv)
540 struct drm_nouveau_gem_pushbuf *req = data;
541 struct drm_nouveau_gem_pushbuf_bo *bo = NULL;
542 struct nouveau_channel *chan;
543 struct validate_op op;
544 uint32_t *pushbuf = NULL;
545 int ret = 0, do_reloc = 0, i;
547 NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
548 NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(req->channel, file_priv, chan);
550 if (req->nr_dwords >= chan->dma.max ||
551 req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS ||
552 req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS) {
553 NV_ERROR(dev, "Pushbuf config exceeds limits:\n");
554 NV_ERROR(dev, " dwords : %d max %d\n", req->nr_dwords,
556 NV_ERROR(dev, " buffers: %d max %d\n", req->nr_buffers,
557 NOUVEAU_GEM_MAX_BUFFERS);
558 NV_ERROR(dev, " relocs : %d max %d\n", req->nr_relocs,
559 NOUVEAU_GEM_MAX_RELOCS);
563 pushbuf = u_memcpya(req->dwords, req->nr_dwords, sizeof(uint32_t));
565 return PTR_ERR(pushbuf);
567 bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
573 mutex_lock(&dev->struct_mutex);
575 /* Validate buffer list */
576 ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
577 req->nr_buffers, &op, &do_reloc);
581 /* Apply any relocations that are required */
583 ret = nouveau_gem_pushbuf_reloc_apply(chan, req->nr_buffers,
592 /* Emit push buffer to the hw
594 ret = RING_SPACE(chan, req->nr_dwords);
598 OUT_RINGp(chan, pushbuf, req->nr_dwords);
600 ret = nouveau_fence_emit(op.fence);
602 NV_ERROR(dev, "error fencing pushbuf: %d\n", ret);
607 if (nouveau_gem_pushbuf_sync(chan)) {
608 ret = nouveau_fence_wait(op.fence, NULL, false, false);
610 for (i = 0; i < req->nr_dwords; i++)
611 NV_ERROR(dev, "0x%08x\n", pushbuf[i]);
612 NV_ERROR(dev, "^^ above push buffer is fail :(\n");
617 validate_fini(&op, ret == 0);
618 mutex_unlock(&dev->struct_mutex);
624 #define PUSHBUF_CAL (dev_priv->card_type >= NV_20)
627 nouveau_gem_ioctl_pushbuf_call(struct drm_device *dev, void *data,
628 struct drm_file *file_priv)
630 struct drm_nouveau_private *dev_priv = dev->dev_private;
631 struct drm_nouveau_gem_pushbuf_call *req = data;
632 struct drm_nouveau_gem_pushbuf_bo *bo = NULL;
633 struct nouveau_channel *chan;
634 struct drm_gem_object *gem;
635 struct nouveau_bo *pbbo;
636 struct validate_op op;
637 int i, ret = 0, do_reloc = 0;
639 NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
640 NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(req->channel, file_priv, chan);
642 if (unlikely(req->handle == 0))
645 if (req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS ||
646 req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS) {
647 NV_ERROR(dev, "Pushbuf config exceeds limits:\n");
648 NV_ERROR(dev, " buffers: %d max %d\n", req->nr_buffers,
649 NOUVEAU_GEM_MAX_BUFFERS);
650 NV_ERROR(dev, " relocs : %d max %d\n", req->nr_relocs,
651 NOUVEAU_GEM_MAX_RELOCS);
655 bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
659 mutex_lock(&dev->struct_mutex);
661 /* Validate buffer list */
662 ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
663 req->nr_buffers, &op, &do_reloc);
665 NV_ERROR(dev, "validate: %d\n", ret);
669 /* Validate DMA push buffer */
670 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
672 NV_ERROR(dev, "Unknown pb handle 0x%08x\n", req->handle);
676 pbbo = nouveau_gem_object(gem);
678 ret = ttm_bo_reserve(&pbbo->bo, false, false, true,
679 chan->fence.sequence);
681 NV_ERROR(dev, "resv pb: %d\n", ret);
682 drm_gem_object_unreference(gem);
686 nouveau_bo_placement_set(pbbo, 1 << chan->pushbuf_bo->bo.mem.mem_type);
687 ret = ttm_bo_validate(&pbbo->bo, &pbbo->placement, false, false);
689 NV_ERROR(dev, "validate pb: %d\n", ret);
690 ttm_bo_unreserve(&pbbo->bo);
691 drm_gem_object_unreference(gem);
695 list_add_tail(&pbbo->entry, &op.both_list);
697 /* If presumed return address doesn't match, we need to map the
698 * push buffer and fix it..
703 if (chan->dma.free < 4 + NOUVEAU_DMA_SKIPS) {
704 ret = nouveau_dma_wait(chan, 4 + NOUVEAU_DMA_SKIPS);
706 NV_ERROR(dev, "jmp_space: %d\n", ret);
711 retaddy = chan->pushbuf_base + ((chan->dma.cur + 2) << 2);
712 retaddy |= 0x20000000;
713 if (retaddy != req->suffix0) {
714 req->suffix0 = retaddy;
719 /* Apply any relocations that are required */
723 ret = ttm_bo_kmap(&pbbo->bo, 0, pbbo->bo.mem.num_pages,
726 NV_ERROR(dev, "kmap pb: %d\n", ret);
730 pbvirt = ttm_kmap_obj_virtual(&pbbo->kmap, &is_iomem);
731 ret = nouveau_gem_pushbuf_reloc_apply(chan, req->nr_buffers, bo,
739 nouveau_bo_wr32(pbbo,
740 req->offset / 4 + req->nr_dwords - 2,
744 ttm_bo_kunmap(&pbbo->kmap);
746 NV_ERROR(dev, "reloc apply: %d\n", ret);
752 ret = RING_SPACE(chan, 2);
754 NV_ERROR(dev, "cal_space: %d\n", ret);
757 OUT_RING(chan, ((pbbo->bo.mem.mm_node->start << PAGE_SHIFT) +
761 ret = RING_SPACE(chan, 2 + NOUVEAU_DMA_SKIPS);
763 NV_ERROR(dev, "jmp_space: %d\n", ret);
766 OUT_RING(chan, ((pbbo->bo.mem.mm_node->start << PAGE_SHIFT) +
767 req->offset) | 0x20000000);
770 /* Space the jumps apart with NOPs. */
771 for (i = 0; i < NOUVEAU_DMA_SKIPS; i++)
775 ret = nouveau_fence_emit(op.fence);
777 NV_ERROR(dev, "error fencing pushbuf: %d\n", ret);
783 validate_fini(&op, ret == 0);
784 mutex_unlock(&dev->struct_mutex);
789 req->suffix0 = 0x00020000;
790 req->suffix1 = 0x00000000;
792 req->suffix0 = 0x20000000 |
793 (chan->pushbuf_base + ((chan->dma.cur + 2) << 2));
794 req->suffix1 = 0x00000000;
801 nouveau_gem_ioctl_pushbuf_call2(struct drm_device *dev, void *data,
802 struct drm_file *file_priv)
804 struct drm_nouveau_private *dev_priv = dev->dev_private;
805 struct drm_nouveau_gem_pushbuf_call *req = data;
807 req->vram_available = dev_priv->fb_aper_free;
808 req->gart_available = dev_priv->gart_info.aper_free;
810 return nouveau_gem_ioctl_pushbuf_call(dev, data, file_priv);
813 static inline uint32_t
814 domain_to_ttm(struct nouveau_bo *nvbo, uint32_t domain)
818 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
819 flags |= TTM_PL_FLAG_VRAM;
820 if (domain & NOUVEAU_GEM_DOMAIN_GART)
821 flags |= TTM_PL_FLAG_TT;
827 nouveau_gem_ioctl_pin(struct drm_device *dev, void *data,
828 struct drm_file *file_priv)
830 struct drm_nouveau_gem_pin *req = data;
831 struct drm_gem_object *gem;
832 struct nouveau_bo *nvbo;
835 NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
837 if (drm_core_check_feature(dev, DRIVER_MODESET)) {
838 NV_ERROR(dev, "pin only allowed without kernel modesetting\n");
842 if (!DRM_SUSER(DRM_CURPROC))
845 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
848 nvbo = nouveau_gem_object(gem);
850 ret = nouveau_bo_pin(nvbo, domain_to_ttm(nvbo, req->domain));
854 req->offset = nvbo->bo.offset;
855 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
856 req->domain = NOUVEAU_GEM_DOMAIN_GART;
858 req->domain = NOUVEAU_GEM_DOMAIN_VRAM;
861 mutex_lock(&dev->struct_mutex);
862 drm_gem_object_unreference(gem);
863 mutex_unlock(&dev->struct_mutex);
869 nouveau_gem_ioctl_unpin(struct drm_device *dev, void *data,
870 struct drm_file *file_priv)
872 struct drm_nouveau_gem_pin *req = data;
873 struct drm_gem_object *gem;
876 NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
878 if (drm_core_check_feature(dev, DRIVER_MODESET))
881 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
885 ret = nouveau_bo_unpin(nouveau_gem_object(gem));
887 mutex_lock(&dev->struct_mutex);
888 drm_gem_object_unreference(gem);
889 mutex_unlock(&dev->struct_mutex);
895 nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
896 struct drm_file *file_priv)
898 struct drm_nouveau_gem_cpu_prep *req = data;
899 struct drm_gem_object *gem;
900 struct nouveau_bo *nvbo;
901 bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT);
904 NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
906 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
909 nvbo = nouveau_gem_object(gem);
911 if (nvbo->cpu_filp) {
912 if (nvbo->cpu_filp == file_priv)
915 ret = ttm_bo_wait_cpu(&nvbo->bo, no_wait);
920 if (req->flags & NOUVEAU_GEM_CPU_PREP_NOBLOCK) {
921 ret = ttm_bo_wait(&nvbo->bo, false, false, no_wait);
923 ret = ttm_bo_synccpu_write_grab(&nvbo->bo, no_wait);
925 nvbo->cpu_filp = file_priv;
929 mutex_lock(&dev->struct_mutex);
930 drm_gem_object_unreference(gem);
931 mutex_unlock(&dev->struct_mutex);
936 nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
937 struct drm_file *file_priv)
939 struct drm_nouveau_gem_cpu_prep *req = data;
940 struct drm_gem_object *gem;
941 struct nouveau_bo *nvbo;
944 NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
946 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
949 nvbo = nouveau_gem_object(gem);
951 if (nvbo->cpu_filp != file_priv)
953 nvbo->cpu_filp = NULL;
955 ttm_bo_synccpu_write_release(&nvbo->bo);
959 mutex_lock(&dev->struct_mutex);
960 drm_gem_object_unreference(gem);
961 mutex_unlock(&dev->struct_mutex);
966 nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
967 struct drm_file *file_priv)
969 struct drm_nouveau_gem_info *req = data;
970 struct drm_gem_object *gem;
973 NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
975 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
979 ret = nouveau_gem_info(gem, req);
980 mutex_lock(&dev->struct_mutex);
981 drm_gem_object_unreference(gem);
982 mutex_unlock(&dev->struct_mutex);