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 "nouveau_drm.h"
28 #include "nouveau_dma.h"
29 #include "nouveau_fence.h"
30 #include "nouveau_abi16.h"
32 #include "nouveau_ttm.h"
33 #include "nouveau_gem.h"
36 nouveau_gem_object_del(struct drm_gem_object
*gem
)
38 struct nouveau_bo
*nvbo
= nouveau_gem_object(gem
);
39 struct ttm_buffer_object
*bo
= &nvbo
->bo
;
41 if (gem
->import_attach
)
42 drm_prime_gem_destroy(gem
, nvbo
->bo
.sg
);
44 drm_gem_object_release(gem
);
46 /* reset filp so nouveau_bo_del_ttm() can test for it */
52 nouveau_gem_object_open(struct drm_gem_object
*gem
, struct drm_file
*file_priv
)
54 struct nouveau_cli
*cli
= nouveau_cli(file_priv
);
55 struct nouveau_bo
*nvbo
= nouveau_gem_object(gem
);
56 struct nouveau_vma
*vma
;
62 ret
= ttm_bo_reserve(&nvbo
->bo
, false, false, false, NULL
);
66 vma
= nouveau_bo_vma_find(nvbo
, cli
->vm
);
68 vma
= kzalloc(sizeof(*vma
), GFP_KERNEL
);
74 ret
= nouveau_bo_vma_add(nvbo
, cli
->vm
, vma
);
84 ttm_bo_unreserve(&nvbo
->bo
);
89 nouveau_gem_object_delete(void *data
)
91 struct nouveau_vma
*vma
= data
;
92 nouveau_vm_unmap(vma
);
98 nouveau_gem_object_unmap(struct nouveau_bo
*nvbo
, struct nouveau_vma
*vma
)
100 const bool mapped
= nvbo
->bo
.mem
.mem_type
!= TTM_PL_SYSTEM
;
101 struct reservation_object
*resv
= nvbo
->bo
.resv
;
102 struct reservation_object_list
*fobj
;
103 struct fence
*fence
= NULL
;
105 fobj
= reservation_object_get_list(resv
);
107 list_del(&vma
->head
);
109 if (fobj
&& fobj
->shared_count
> 1)
110 ttm_bo_wait(&nvbo
->bo
, true, false, false);
111 else if (fobj
&& fobj
->shared_count
== 1)
112 fence
= rcu_dereference_protected(fobj
->shared
[0],
113 reservation_object_held(resv
));
115 fence
= reservation_object_get_excl(nvbo
->bo
.resv
);
117 if (fence
&& mapped
) {
118 nouveau_fence_work(fence
, nouveau_gem_object_delete
, vma
);
121 nouveau_vm_unmap(vma
);
128 nouveau_gem_object_close(struct drm_gem_object
*gem
, struct drm_file
*file_priv
)
130 struct nouveau_cli
*cli
= nouveau_cli(file_priv
);
131 struct nouveau_bo
*nvbo
= nouveau_gem_object(gem
);
132 struct nouveau_vma
*vma
;
138 ret
= ttm_bo_reserve(&nvbo
->bo
, false, false, false, NULL
);
142 vma
= nouveau_bo_vma_find(nvbo
, cli
->vm
);
144 if (--vma
->refcount
== 0)
145 nouveau_gem_object_unmap(nvbo
, vma
);
147 ttm_bo_unreserve(&nvbo
->bo
);
151 nouveau_gem_new(struct drm_device
*dev
, int size
, int align
, uint32_t domain
,
152 uint32_t tile_mode
, uint32_t tile_flags
,
153 struct nouveau_bo
**pnvbo
)
155 struct nouveau_drm
*drm
= nouveau_drm(dev
);
156 struct nouveau_bo
*nvbo
;
160 if (domain
& NOUVEAU_GEM_DOMAIN_VRAM
)
161 flags
|= TTM_PL_FLAG_VRAM
;
162 if (domain
& NOUVEAU_GEM_DOMAIN_GART
)
163 flags
|= TTM_PL_FLAG_TT
;
164 if (!flags
|| domain
& NOUVEAU_GEM_DOMAIN_CPU
)
165 flags
|= TTM_PL_FLAG_SYSTEM
;
167 ret
= nouveau_bo_new(dev
, size
, align
, flags
, tile_mode
,
168 tile_flags
, NULL
, pnvbo
);
173 /* we restrict allowed domains on nv50+ to only the types
174 * that were requested at creation time. not possibly on
175 * earlier chips without busting the ABI.
177 nvbo
->valid_domains
= NOUVEAU_GEM_DOMAIN_VRAM
|
178 NOUVEAU_GEM_DOMAIN_GART
;
179 if (drm
->device
.info
.family
>= NV_DEVICE_INFO_V0_TESLA
)
180 nvbo
->valid_domains
&= domain
;
182 /* Initialize the embedded gem-object. We return a single gem-reference
183 * to the caller, instead of a normal nouveau_bo ttm reference. */
184 ret
= drm_gem_object_init(dev
, &nvbo
->gem
, nvbo
->bo
.mem
.size
);
186 nouveau_bo_ref(NULL
, pnvbo
);
190 nvbo
->bo
.persistent_swap_storage
= nvbo
->gem
.filp
;
195 nouveau_gem_info(struct drm_file
*file_priv
, struct drm_gem_object
*gem
,
196 struct drm_nouveau_gem_info
*rep
)
198 struct nouveau_cli
*cli
= nouveau_cli(file_priv
);
199 struct nouveau_bo
*nvbo
= nouveau_gem_object(gem
);
200 struct nouveau_vma
*vma
;
202 if (nvbo
->bo
.mem
.mem_type
== TTM_PL_TT
)
203 rep
->domain
= NOUVEAU_GEM_DOMAIN_GART
;
205 rep
->domain
= NOUVEAU_GEM_DOMAIN_VRAM
;
207 rep
->offset
= nvbo
->bo
.offset
;
209 vma
= nouveau_bo_vma_find(nvbo
, cli
->vm
);
213 rep
->offset
= vma
->offset
;
216 rep
->size
= nvbo
->bo
.mem
.num_pages
<< PAGE_SHIFT
;
217 rep
->map_handle
= drm_vma_node_offset_addr(&nvbo
->bo
.vma_node
);
218 rep
->tile_mode
= nvbo
->tile_mode
;
219 rep
->tile_flags
= nvbo
->tile_flags
;
224 nouveau_gem_ioctl_new(struct drm_device
*dev
, void *data
,
225 struct drm_file
*file_priv
)
227 struct nouveau_drm
*drm
= nouveau_drm(dev
);
228 struct nouveau_cli
*cli
= nouveau_cli(file_priv
);
229 struct nouveau_fb
*pfb
= nvkm_fb(&drm
->device
);
230 struct drm_nouveau_gem_new
*req
= data
;
231 struct nouveau_bo
*nvbo
= NULL
;
234 if (!pfb
->memtype_valid(pfb
, req
->info
.tile_flags
)) {
235 NV_PRINTK(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 list
;
297 struct ww_acquire_ctx ticket
;
301 validate_fini_no_ticket(struct validate_op
*op
, struct nouveau_fence
*fence
,
302 struct drm_nouveau_gem_pushbuf_bo
*pbbo
)
304 struct nouveau_bo
*nvbo
;
305 struct drm_nouveau_gem_pushbuf_bo
*b
;
307 while (!list_empty(&op
->list
)) {
308 nvbo
= list_entry(op
->list
.next
, struct nouveau_bo
, entry
);
309 b
= &pbbo
[nvbo
->pbbo_index
];
312 nouveau_bo_fence(nvbo
, fence
, !!b
->write_domains
);
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
, &op
->ticket
);
322 drm_gem_object_unreference_unlocked(&nvbo
->gem
);
327 validate_fini(struct validate_op
*op
, struct nouveau_fence
*fence
,
328 struct drm_nouveau_gem_pushbuf_bo
*pbbo
)
330 validate_fini_no_ticket(op
, fence
, pbbo
);
331 ww_acquire_fini(&op
->ticket
);
335 validate_init(struct nouveau_channel
*chan
, struct drm_file
*file_priv
,
336 struct drm_nouveau_gem_pushbuf_bo
*pbbo
,
337 int nr_buffers
, struct validate_op
*op
)
339 struct nouveau_cli
*cli
= nouveau_cli(file_priv
);
340 struct drm_device
*dev
= chan
->drm
->dev
;
343 struct nouveau_bo
*res_bo
= NULL
;
344 LIST_HEAD(gart_list
);
345 LIST_HEAD(vram_list
);
346 LIST_HEAD(both_list
);
348 ww_acquire_init(&op
->ticket
, &reservation_ww_class
);
350 if (++trycnt
> 100000) {
351 NV_PRINTK(error
, cli
, "%s failed and gave up.\n", __func__
);
355 for (i
= 0; i
< nr_buffers
; i
++) {
356 struct drm_nouveau_gem_pushbuf_bo
*b
= &pbbo
[i
];
357 struct drm_gem_object
*gem
;
358 struct nouveau_bo
*nvbo
;
360 gem
= drm_gem_object_lookup(dev
, file_priv
, b
->handle
);
362 NV_PRINTK(error
, cli
, "Unknown handle 0x%08x\n", b
->handle
);
366 nvbo
= nouveau_gem_object(gem
);
367 if (nvbo
== res_bo
) {
369 drm_gem_object_unreference_unlocked(gem
);
373 if (nvbo
->reserved_by
&& nvbo
->reserved_by
== file_priv
) {
374 NV_PRINTK(error
, cli
, "multiple instances of buffer %d on "
375 "validation list\n", b
->handle
);
376 drm_gem_object_unreference_unlocked(gem
);
381 ret
= ttm_bo_reserve(&nvbo
->bo
, true, false, true, &op
->ticket
);
383 list_splice_tail_init(&vram_list
, &op
->list
);
384 list_splice_tail_init(&gart_list
, &op
->list
);
385 list_splice_tail_init(&both_list
, &op
->list
);
386 validate_fini_no_ticket(op
, NULL
, NULL
);
387 if (unlikely(ret
== -EDEADLK
)) {
388 ret
= ttm_bo_reserve_slowpath(&nvbo
->bo
, true,
394 if (ret
!= -ERESTARTSYS
)
395 NV_PRINTK(error
, cli
, "fail reserve\n");
400 b
->user_priv
= (uint64_t)(unsigned long)nvbo
;
401 nvbo
->reserved_by
= file_priv
;
402 nvbo
->pbbo_index
= i
;
403 if ((b
->valid_domains
& NOUVEAU_GEM_DOMAIN_VRAM
) &&
404 (b
->valid_domains
& NOUVEAU_GEM_DOMAIN_GART
))
405 list_add_tail(&nvbo
->entry
, &both_list
);
407 if (b
->valid_domains
& NOUVEAU_GEM_DOMAIN_VRAM
)
408 list_add_tail(&nvbo
->entry
, &vram_list
);
410 if (b
->valid_domains
& NOUVEAU_GEM_DOMAIN_GART
)
411 list_add_tail(&nvbo
->entry
, &gart_list
);
413 NV_PRINTK(error
, cli
, "invalid valid domains: 0x%08x\n",
415 list_add_tail(&nvbo
->entry
, &both_list
);
423 ww_acquire_done(&op
->ticket
);
424 list_splice_tail(&vram_list
, &op
->list
);
425 list_splice_tail(&gart_list
, &op
->list
);
426 list_splice_tail(&both_list
, &op
->list
);
428 validate_fini(op
, NULL
, NULL
);
434 validate_list(struct nouveau_channel
*chan
, struct nouveau_cli
*cli
,
435 struct list_head
*list
, struct drm_nouveau_gem_pushbuf_bo
*pbbo
,
436 uint64_t user_pbbo_ptr
)
438 struct nouveau_drm
*drm
= chan
->drm
;
439 struct drm_nouveau_gem_pushbuf_bo __user
*upbbo
=
440 (void __force __user
*)(uintptr_t)user_pbbo_ptr
;
441 struct nouveau_bo
*nvbo
;
444 list_for_each_entry(nvbo
, list
, entry
) {
445 struct drm_nouveau_gem_pushbuf_bo
*b
= &pbbo
[nvbo
->pbbo_index
];
447 ret
= nouveau_gem_set_domain(&nvbo
->gem
, b
->read_domains
,
451 NV_PRINTK(error
, cli
, "fail set_domain\n");
455 ret
= nouveau_bo_validate(nvbo
, true, false);
457 if (ret
!= -ERESTARTSYS
)
458 NV_PRINTK(error
, cli
, "fail ttm_validate\n");
462 ret
= nouveau_fence_sync(nvbo
, chan
, !!b
->write_domains
, true);
464 if (ret
!= -ERESTARTSYS
)
465 NV_PRINTK(error
, cli
, "fail post-validate sync\n");
469 if (drm
->device
.info
.family
< NV_DEVICE_INFO_V0_TESLA
) {
470 if (nvbo
->bo
.offset
== b
->presumed
.offset
&&
471 ((nvbo
->bo
.mem
.mem_type
== TTM_PL_VRAM
&&
472 b
->presumed
.domain
& NOUVEAU_GEM_DOMAIN_VRAM
) ||
473 (nvbo
->bo
.mem
.mem_type
== TTM_PL_TT
&&
474 b
->presumed
.domain
& NOUVEAU_GEM_DOMAIN_GART
)))
477 if (nvbo
->bo
.mem
.mem_type
== TTM_PL_TT
)
478 b
->presumed
.domain
= NOUVEAU_GEM_DOMAIN_GART
;
480 b
->presumed
.domain
= NOUVEAU_GEM_DOMAIN_VRAM
;
481 b
->presumed
.offset
= nvbo
->bo
.offset
;
482 b
->presumed
.valid
= 0;
485 if (copy_to_user(&upbbo
[nvbo
->pbbo_index
].presumed
,
486 &b
->presumed
, sizeof(b
->presumed
)))
495 nouveau_gem_pushbuf_validate(struct nouveau_channel
*chan
,
496 struct drm_file
*file_priv
,
497 struct drm_nouveau_gem_pushbuf_bo
*pbbo
,
498 uint64_t user_buffers
, int nr_buffers
,
499 struct validate_op
*op
, int *apply_relocs
)
501 struct nouveau_cli
*cli
= nouveau_cli(file_priv
);
504 INIT_LIST_HEAD(&op
->list
);
509 ret
= validate_init(chan
, file_priv
, pbbo
, nr_buffers
, op
);
511 if (ret
!= -ERESTARTSYS
)
512 NV_PRINTK(error
, cli
, "validate_init\n");
516 ret
= validate_list(chan
, cli
, &op
->list
, pbbo
, user_buffers
);
517 if (unlikely(ret
< 0)) {
518 if (ret
!= -ERESTARTSYS
)
519 NV_PRINTK(error
, cli
, "validating bo list\n");
520 validate_fini(op
, NULL
, NULL
);
530 if (!is_vmalloc_addr(addr
))
537 u_memcpya(uint64_t user
, unsigned nmemb
, unsigned size
)
540 void __user
*userptr
= (void __force __user
*)(uintptr_t)user
;
544 mem
= kmalloc(size
, GFP_KERNEL
| __GFP_NOWARN
);
548 return ERR_PTR(-ENOMEM
);
550 if (copy_from_user(mem
, userptr
, size
)) {
552 return ERR_PTR(-EFAULT
);
559 nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli
*cli
,
560 struct drm_nouveau_gem_pushbuf
*req
,
561 struct drm_nouveau_gem_pushbuf_bo
*bo
)
563 struct drm_nouveau_gem_pushbuf_reloc
*reloc
= NULL
;
567 reloc
= u_memcpya(req
->relocs
, req
->nr_relocs
, sizeof(*reloc
));
569 return PTR_ERR(reloc
);
571 for (i
= 0; i
< req
->nr_relocs
; i
++) {
572 struct drm_nouveau_gem_pushbuf_reloc
*r
= &reloc
[i
];
573 struct drm_nouveau_gem_pushbuf_bo
*b
;
574 struct nouveau_bo
*nvbo
;
577 if (unlikely(r
->bo_index
> req
->nr_buffers
)) {
578 NV_PRINTK(error
, cli
, "reloc bo index invalid\n");
583 b
= &bo
[r
->bo_index
];
584 if (b
->presumed
.valid
)
587 if (unlikely(r
->reloc_bo_index
> req
->nr_buffers
)) {
588 NV_PRINTK(error
, cli
, "reloc container bo index invalid\n");
592 nvbo
= (void *)(unsigned long)bo
[r
->reloc_bo_index
].user_priv
;
594 if (unlikely(r
->reloc_bo_offset
+ 4 >
595 nvbo
->bo
.mem
.num_pages
<< PAGE_SHIFT
)) {
596 NV_PRINTK(error
, cli
, "reloc outside of bo\n");
601 if (!nvbo
->kmap
.virtual) {
602 ret
= ttm_bo_kmap(&nvbo
->bo
, 0, nvbo
->bo
.mem
.num_pages
,
605 NV_PRINTK(error
, cli
, "failed kmap for reloc\n");
608 nvbo
->validate_mapped
= true;
611 if (r
->flags
& NOUVEAU_GEM_RELOC_LOW
)
612 data
= b
->presumed
.offset
+ r
->data
;
614 if (r
->flags
& NOUVEAU_GEM_RELOC_HIGH
)
615 data
= (b
->presumed
.offset
+ r
->data
) >> 32;
619 if (r
->flags
& NOUVEAU_GEM_RELOC_OR
) {
620 if (b
->presumed
.domain
== NOUVEAU_GEM_DOMAIN_GART
)
626 ret
= ttm_bo_wait(&nvbo
->bo
, true, false, false);
628 NV_PRINTK(error
, cli
, "reloc wait_idle failed: %d\n", ret
);
632 nouveau_bo_wr32(nvbo
, r
->reloc_bo_offset
>> 2, data
);
640 nouveau_gem_ioctl_pushbuf(struct drm_device
*dev
, void *data
,
641 struct drm_file
*file_priv
)
643 struct nouveau_abi16
*abi16
= nouveau_abi16_get(file_priv
, dev
);
644 struct nouveau_cli
*cli
= nouveau_cli(file_priv
);
645 struct nouveau_abi16_chan
*temp
;
646 struct nouveau_drm
*drm
= nouveau_drm(dev
);
647 struct drm_nouveau_gem_pushbuf
*req
= data
;
648 struct drm_nouveau_gem_pushbuf_push
*push
;
649 struct drm_nouveau_gem_pushbuf_bo
*bo
;
650 struct nouveau_channel
*chan
= NULL
;
651 struct validate_op op
;
652 struct nouveau_fence
*fence
= NULL
;
653 int i
, j
, ret
= 0, do_reloc
= 0;
655 if (unlikely(!abi16
))
658 list_for_each_entry(temp
, &abi16
->channels
, head
) {
659 if (temp
->chan
->object
->handle
== (NVDRM_CHAN
| req
->channel
)) {
666 return nouveau_abi16_put(abi16
, -ENOENT
);
668 req
->vram_available
= drm
->gem
.vram_available
;
669 req
->gart_available
= drm
->gem
.gart_available
;
670 if (unlikely(req
->nr_push
== 0))
673 if (unlikely(req
->nr_push
> NOUVEAU_GEM_MAX_PUSH
)) {
674 NV_PRINTK(error
, cli
, "pushbuf push count exceeds limit: %d max %d\n",
675 req
->nr_push
, NOUVEAU_GEM_MAX_PUSH
);
676 return nouveau_abi16_put(abi16
, -EINVAL
);
679 if (unlikely(req
->nr_buffers
> NOUVEAU_GEM_MAX_BUFFERS
)) {
680 NV_PRINTK(error
, cli
, "pushbuf bo count exceeds limit: %d max %d\n",
681 req
->nr_buffers
, NOUVEAU_GEM_MAX_BUFFERS
);
682 return nouveau_abi16_put(abi16
, -EINVAL
);
685 if (unlikely(req
->nr_relocs
> NOUVEAU_GEM_MAX_RELOCS
)) {
686 NV_PRINTK(error
, cli
, "pushbuf reloc count exceeds limit: %d max %d\n",
687 req
->nr_relocs
, NOUVEAU_GEM_MAX_RELOCS
);
688 return nouveau_abi16_put(abi16
, -EINVAL
);
691 push
= u_memcpya(req
->push
, req
->nr_push
, sizeof(*push
));
693 return nouveau_abi16_put(abi16
, PTR_ERR(push
));
695 bo
= u_memcpya(req
->buffers
, req
->nr_buffers
, sizeof(*bo
));
698 return nouveau_abi16_put(abi16
, PTR_ERR(bo
));
701 /* Ensure all push buffers are on validate list */
702 for (i
= 0; i
< req
->nr_push
; i
++) {
703 if (push
[i
].bo_index
>= req
->nr_buffers
) {
704 NV_PRINTK(error
, cli
, "push %d buffer not in list\n", i
);
710 /* Validate buffer list */
711 ret
= nouveau_gem_pushbuf_validate(chan
, file_priv
, bo
, req
->buffers
,
712 req
->nr_buffers
, &op
, &do_reloc
);
714 if (ret
!= -ERESTARTSYS
)
715 NV_PRINTK(error
, cli
, "validate: %d\n", ret
);
719 /* Apply any relocations that are required */
721 ret
= nouveau_gem_pushbuf_reloc_apply(cli
, req
, bo
);
723 NV_PRINTK(error
, cli
, "reloc apply: %d\n", ret
);
728 if (chan
->dma
.ib_max
) {
729 ret
= nouveau_dma_wait(chan
, req
->nr_push
+ 1, 16);
731 NV_PRINTK(error
, cli
, "nv50cal_space: %d\n", ret
);
735 for (i
= 0; i
< req
->nr_push
; i
++) {
736 struct nouveau_bo
*nvbo
= (void *)(unsigned long)
737 bo
[push
[i
].bo_index
].user_priv
;
739 nv50_dma_push(chan
, nvbo
, push
[i
].offset
,
743 if (drm
->device
.info
.chipset
>= 0x25) {
744 ret
= RING_SPACE(chan
, req
->nr_push
* 2);
746 NV_PRINTK(error
, cli
, "cal_space: %d\n", ret
);
750 for (i
= 0; i
< req
->nr_push
; i
++) {
751 struct nouveau_bo
*nvbo
= (void *)(unsigned long)
752 bo
[push
[i
].bo_index
].user_priv
;
754 OUT_RING(chan
, (nvbo
->bo
.offset
+ push
[i
].offset
) | 2);
758 ret
= RING_SPACE(chan
, req
->nr_push
* (2 + NOUVEAU_DMA_SKIPS
));
760 NV_PRINTK(error
, cli
, "jmp_space: %d\n", ret
);
764 for (i
= 0; i
< req
->nr_push
; i
++) {
765 struct nouveau_bo
*nvbo
= (void *)(unsigned long)
766 bo
[push
[i
].bo_index
].user_priv
;
769 cmd
= chan
->push
.vma
.offset
+ ((chan
->dma
.cur
+ 2) << 2);
771 if (unlikely(cmd
!= req
->suffix0
)) {
772 if (!nvbo
->kmap
.virtual) {
773 ret
= ttm_bo_kmap(&nvbo
->bo
, 0,
781 nvbo
->validate_mapped
= true;
784 nouveau_bo_wr32(nvbo
, (push
[i
].offset
+
785 push
[i
].length
- 8) / 4, cmd
);
788 OUT_RING(chan
, 0x20000000 |
789 (nvbo
->bo
.offset
+ push
[i
].offset
));
791 for (j
= 0; j
< NOUVEAU_DMA_SKIPS
; j
++)
796 ret
= nouveau_fence_new(chan
, false, &fence
);
798 NV_PRINTK(error
, cli
, "error fencing pushbuf: %d\n", ret
);
804 validate_fini(&op
, fence
, bo
);
805 nouveau_fence_unref(&fence
);
812 if (chan
->dma
.ib_max
) {
813 req
->suffix0
= 0x00000000;
814 req
->suffix1
= 0x00000000;
816 if (drm
->device
.info
.chipset
>= 0x25) {
817 req
->suffix0
= 0x00020000;
818 req
->suffix1
= 0x00000000;
820 req
->suffix0
= 0x20000000 |
821 (chan
->push
.vma
.offset
+ ((chan
->dma
.cur
+ 2) << 2));
822 req
->suffix1
= 0x00000000;
825 return nouveau_abi16_put(abi16
, ret
);
828 static inline uint32_t
829 domain_to_ttm(struct nouveau_bo
*nvbo
, uint32_t domain
)
833 if (domain
& NOUVEAU_GEM_DOMAIN_VRAM
)
834 flags
|= TTM_PL_FLAG_VRAM
;
835 if (domain
& NOUVEAU_GEM_DOMAIN_GART
)
836 flags
|= TTM_PL_FLAG_TT
;
842 nouveau_gem_ioctl_cpu_prep(struct drm_device
*dev
, void *data
,
843 struct drm_file
*file_priv
)
845 struct drm_nouveau_gem_cpu_prep
*req
= data
;
846 struct drm_gem_object
*gem
;
847 struct nouveau_bo
*nvbo
;
848 bool no_wait
= !!(req
->flags
& NOUVEAU_GEM_CPU_PREP_NOWAIT
);
849 bool write
= !!(req
->flags
& NOUVEAU_GEM_CPU_PREP_WRITE
);
852 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
855 nvbo
= nouveau_gem_object(gem
);
858 ret
= reservation_object_test_signaled_rcu(nvbo
->bo
.resv
, write
) ? 0 : -EBUSY
;
862 lret
= reservation_object_wait_timeout_rcu(nvbo
->bo
.resv
, write
, true, 30 * HZ
);
870 drm_gem_object_unreference_unlocked(gem
);
876 nouveau_gem_ioctl_cpu_fini(struct drm_device
*dev
, void *data
,
877 struct drm_file
*file_priv
)
883 nouveau_gem_ioctl_info(struct drm_device
*dev
, void *data
,
884 struct drm_file
*file_priv
)
886 struct drm_nouveau_gem_info
*req
= data
;
887 struct drm_gem_object
*gem
;
890 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
894 ret
= nouveau_gem_info(file_priv
, gem
, req
);
895 drm_gem_object_unreference_unlocked(gem
);