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
->pin_refcnt
)) {
53 nouveau_bo_unpin(nvbo
);
58 drm_gem_object_release(gem
);
63 nouveau_gem_new(struct drm_device
*dev
, struct nouveau_channel
*chan
,
64 int size
, int align
, uint32_t domain
, uint32_t tile_mode
,
65 uint32_t tile_flags
, struct nouveau_bo
**pnvbo
)
67 struct drm_nouveau_private
*dev_priv
= dev
->dev_private
;
68 struct nouveau_bo
*nvbo
;
72 if (domain
& NOUVEAU_GEM_DOMAIN_VRAM
)
73 flags
|= TTM_PL_FLAG_VRAM
;
74 if (domain
& NOUVEAU_GEM_DOMAIN_GART
)
75 flags
|= TTM_PL_FLAG_TT
;
76 if (!flags
|| domain
& NOUVEAU_GEM_DOMAIN_CPU
)
77 flags
|= TTM_PL_FLAG_SYSTEM
;
79 ret
= nouveau_bo_new(dev
, chan
, size
, align
, flags
, tile_mode
,
85 /* we restrict allowed domains on nv50+ to only the types
86 * that were requested at creation time. not possibly on
87 * earlier chips without busting the ABI.
89 nvbo
->valid_domains
= NOUVEAU_GEM_DOMAIN_VRAM
|
90 NOUVEAU_GEM_DOMAIN_GART
;
91 if (dev_priv
->card_type
>= NV_50
)
92 nvbo
->valid_domains
&= domain
;
94 nvbo
->gem
= drm_gem_object_alloc(dev
, nvbo
->bo
.mem
.size
);
96 nouveau_bo_ref(NULL
, pnvbo
);
100 nvbo
->bo
.persistent_swap_storage
= nvbo
->gem
->filp
;
101 nvbo
->gem
->driver_private
= nvbo
;
106 nouveau_gem_info(struct drm_gem_object
*gem
, struct drm_nouveau_gem_info
*rep
)
108 struct nouveau_bo
*nvbo
= nouveau_gem_object(gem
);
110 if (nvbo
->bo
.mem
.mem_type
== TTM_PL_TT
)
111 rep
->domain
= NOUVEAU_GEM_DOMAIN_GART
;
113 rep
->domain
= NOUVEAU_GEM_DOMAIN_VRAM
;
115 rep
->size
= nvbo
->bo
.mem
.num_pages
<< PAGE_SHIFT
;
116 rep
->offset
= nvbo
->bo
.offset
;
117 rep
->map_handle
= nvbo
->bo
.addr_space_offset
;
118 rep
->tile_mode
= nvbo
->tile_mode
;
119 rep
->tile_flags
= nvbo
->tile_flags
;
124 nouveau_gem_ioctl_new(struct drm_device
*dev
, void *data
,
125 struct drm_file
*file_priv
)
127 struct drm_nouveau_private
*dev_priv
= dev
->dev_private
;
128 struct drm_nouveau_gem_new
*req
= data
;
129 struct nouveau_bo
*nvbo
= NULL
;
130 struct nouveau_channel
*chan
= NULL
;
133 if (unlikely(dev_priv
->ttm
.bdev
.dev_mapping
== NULL
))
134 dev_priv
->ttm
.bdev
.dev_mapping
= dev_priv
->dev
->dev_mapping
;
136 if (!dev_priv
->engine
.vram
.flags_valid(dev
, req
->info
.tile_flags
)) {
137 NV_ERROR(dev
, "bad page flags: 0x%08x\n", req
->info
.tile_flags
);
141 if (req
->channel_hint
) {
142 chan
= nouveau_channel_get(dev
, file_priv
, req
->channel_hint
);
144 return PTR_ERR(chan
);
147 ret
= nouveau_gem_new(dev
, chan
, req
->info
.size
, req
->align
,
148 req
->info
.domain
, req
->info
.tile_mode
,
149 req
->info
.tile_flags
, &nvbo
);
151 nouveau_channel_put(&chan
);
155 ret
= nouveau_gem_info(nvbo
->gem
, &req
->info
);
159 ret
= drm_gem_handle_create(file_priv
, nvbo
->gem
, &req
->info
.handle
);
160 /* drop reference from allocate - handle holds it now */
161 drm_gem_object_unreference_unlocked(nvbo
->gem
);
167 nouveau_gem_set_domain(struct drm_gem_object
*gem
, uint32_t read_domains
,
168 uint32_t write_domains
, uint32_t valid_domains
)
170 struct nouveau_bo
*nvbo
= gem
->driver_private
;
171 struct ttm_buffer_object
*bo
= &nvbo
->bo
;
172 uint32_t domains
= valid_domains
& nvbo
->valid_domains
&
173 (write_domains
? write_domains
: read_domains
);
174 uint32_t pref_flags
= 0, valid_flags
= 0;
179 if (valid_domains
& NOUVEAU_GEM_DOMAIN_VRAM
)
180 valid_flags
|= TTM_PL_FLAG_VRAM
;
182 if (valid_domains
& NOUVEAU_GEM_DOMAIN_GART
)
183 valid_flags
|= TTM_PL_FLAG_TT
;
185 if ((domains
& NOUVEAU_GEM_DOMAIN_VRAM
) &&
186 bo
->mem
.mem_type
== TTM_PL_VRAM
)
187 pref_flags
|= TTM_PL_FLAG_VRAM
;
189 else if ((domains
& NOUVEAU_GEM_DOMAIN_GART
) &&
190 bo
->mem
.mem_type
== TTM_PL_TT
)
191 pref_flags
|= TTM_PL_FLAG_TT
;
193 else if (domains
& NOUVEAU_GEM_DOMAIN_VRAM
)
194 pref_flags
|= TTM_PL_FLAG_VRAM
;
197 pref_flags
|= TTM_PL_FLAG_TT
;
199 nouveau_bo_placement_set(nvbo
, pref_flags
, valid_flags
);
205 struct list_head vram_list
;
206 struct list_head gart_list
;
207 struct list_head both_list
;
211 validate_fini_list(struct list_head
*list
, struct nouveau_fence
*fence
)
213 struct list_head
*entry
, *tmp
;
214 struct nouveau_bo
*nvbo
;
216 list_for_each_safe(entry
, tmp
, list
) {
217 nvbo
= list_entry(entry
, struct nouveau_bo
, entry
);
219 nouveau_bo_fence(nvbo
, fence
);
221 if (unlikely(nvbo
->validate_mapped
)) {
222 ttm_bo_kunmap(&nvbo
->kmap
);
223 nvbo
->validate_mapped
= false;
226 list_del(&nvbo
->entry
);
227 nvbo
->reserved_by
= NULL
;
228 ttm_bo_unreserve(&nvbo
->bo
);
229 drm_gem_object_unreference_unlocked(nvbo
->gem
);
234 validate_fini(struct validate_op
*op
, struct nouveau_fence
* fence
)
236 validate_fini_list(&op
->vram_list
, fence
);
237 validate_fini_list(&op
->gart_list
, fence
);
238 validate_fini_list(&op
->both_list
, fence
);
242 validate_init(struct nouveau_channel
*chan
, struct drm_file
*file_priv
,
243 struct drm_nouveau_gem_pushbuf_bo
*pbbo
,
244 int nr_buffers
, struct validate_op
*op
)
246 struct drm_device
*dev
= chan
->dev
;
247 struct drm_nouveau_private
*dev_priv
= dev
->dev_private
;
252 sequence
= atomic_add_return(1, &dev_priv
->ttm
.validate_sequence
);
254 if (++trycnt
> 100000) {
255 NV_ERROR(dev
, "%s failed and gave up.\n", __func__
);
259 for (i
= 0; i
< nr_buffers
; i
++) {
260 struct drm_nouveau_gem_pushbuf_bo
*b
= &pbbo
[i
];
261 struct drm_gem_object
*gem
;
262 struct nouveau_bo
*nvbo
;
264 gem
= drm_gem_object_lookup(dev
, file_priv
, b
->handle
);
266 NV_ERROR(dev
, "Unknown handle 0x%08x\n", b
->handle
);
267 validate_fini(op
, NULL
);
270 nvbo
= gem
->driver_private
;
272 if (nvbo
->reserved_by
&& nvbo
->reserved_by
== file_priv
) {
273 NV_ERROR(dev
, "multiple instances of buffer %d on "
274 "validation list\n", b
->handle
);
275 validate_fini(op
, NULL
);
279 ret
= ttm_bo_reserve(&nvbo
->bo
, true, false, true, sequence
);
281 validate_fini(op
, NULL
);
282 if (unlikely(ret
== -EAGAIN
))
283 ret
= ttm_bo_wait_unreserved(&nvbo
->bo
, true);
284 drm_gem_object_unreference_unlocked(gem
);
286 if (ret
!= -ERESTARTSYS
)
287 NV_ERROR(dev
, "fail reserve\n");
293 b
->user_priv
= (uint64_t)(unsigned long)nvbo
;
294 nvbo
->reserved_by
= file_priv
;
295 nvbo
->pbbo_index
= i
;
296 if ((b
->valid_domains
& NOUVEAU_GEM_DOMAIN_VRAM
) &&
297 (b
->valid_domains
& NOUVEAU_GEM_DOMAIN_GART
))
298 list_add_tail(&nvbo
->entry
, &op
->both_list
);
300 if (b
->valid_domains
& NOUVEAU_GEM_DOMAIN_VRAM
)
301 list_add_tail(&nvbo
->entry
, &op
->vram_list
);
303 if (b
->valid_domains
& NOUVEAU_GEM_DOMAIN_GART
)
304 list_add_tail(&nvbo
->entry
, &op
->gart_list
);
306 NV_ERROR(dev
, "invalid valid domains: 0x%08x\n",
308 list_add_tail(&nvbo
->entry
, &op
->both_list
);
309 validate_fini(op
, NULL
);
318 validate_list(struct nouveau_channel
*chan
, struct list_head
*list
,
319 struct drm_nouveau_gem_pushbuf_bo
*pbbo
, uint64_t user_pbbo_ptr
)
321 struct drm_nouveau_gem_pushbuf_bo __user
*upbbo
=
322 (void __force __user
*)(uintptr_t)user_pbbo_ptr
;
323 struct drm_device
*dev
= chan
->dev
;
324 struct nouveau_bo
*nvbo
;
327 list_for_each_entry(nvbo
, list
, entry
) {
328 struct drm_nouveau_gem_pushbuf_bo
*b
= &pbbo
[nvbo
->pbbo_index
];
330 ret
= nouveau_fence_sync(nvbo
->bo
.sync_obj
, chan
);
332 NV_ERROR(dev
, "fail pre-validate sync\n");
336 ret
= nouveau_gem_set_domain(nvbo
->gem
, b
->read_domains
,
340 NV_ERROR(dev
, "fail set_domain\n");
344 nvbo
->channel
= (b
->read_domains
& (1 << 31)) ? NULL
: chan
;
345 ret
= nouveau_bo_validate(nvbo
, true, false, false);
346 nvbo
->channel
= NULL
;
348 if (ret
!= -ERESTARTSYS
)
349 NV_ERROR(dev
, "fail ttm_validate\n");
353 ret
= nouveau_fence_sync(nvbo
->bo
.sync_obj
, chan
);
355 NV_ERROR(dev
, "fail post-validate sync\n");
359 if (nvbo
->bo
.offset
== b
->presumed
.offset
&&
360 ((nvbo
->bo
.mem
.mem_type
== TTM_PL_VRAM
&&
361 b
->presumed
.domain
& NOUVEAU_GEM_DOMAIN_VRAM
) ||
362 (nvbo
->bo
.mem
.mem_type
== TTM_PL_TT
&&
363 b
->presumed
.domain
& NOUVEAU_GEM_DOMAIN_GART
)))
366 if (nvbo
->bo
.mem
.mem_type
== TTM_PL_TT
)
367 b
->presumed
.domain
= NOUVEAU_GEM_DOMAIN_GART
;
369 b
->presumed
.domain
= NOUVEAU_GEM_DOMAIN_VRAM
;
370 b
->presumed
.offset
= nvbo
->bo
.offset
;
371 b
->presumed
.valid
= 0;
374 if (DRM_COPY_TO_USER(&upbbo
[nvbo
->pbbo_index
].presumed
,
375 &b
->presumed
, sizeof(b
->presumed
)))
383 nouveau_gem_pushbuf_validate(struct nouveau_channel
*chan
,
384 struct drm_file
*file_priv
,
385 struct drm_nouveau_gem_pushbuf_bo
*pbbo
,
386 uint64_t user_buffers
, int nr_buffers
,
387 struct validate_op
*op
, int *apply_relocs
)
389 struct drm_device
*dev
= chan
->dev
;
392 INIT_LIST_HEAD(&op
->vram_list
);
393 INIT_LIST_HEAD(&op
->gart_list
);
394 INIT_LIST_HEAD(&op
->both_list
);
399 ret
= validate_init(chan
, file_priv
, pbbo
, nr_buffers
, op
);
401 if (ret
!= -ERESTARTSYS
)
402 NV_ERROR(dev
, "validate_init\n");
406 ret
= validate_list(chan
, &op
->vram_list
, pbbo
, user_buffers
);
407 if (unlikely(ret
< 0)) {
408 if (ret
!= -ERESTARTSYS
)
409 NV_ERROR(dev
, "validate vram_list\n");
410 validate_fini(op
, NULL
);
415 ret
= validate_list(chan
, &op
->gart_list
, pbbo
, user_buffers
);
416 if (unlikely(ret
< 0)) {
417 if (ret
!= -ERESTARTSYS
)
418 NV_ERROR(dev
, "validate gart_list\n");
419 validate_fini(op
, NULL
);
424 ret
= validate_list(chan
, &op
->both_list
, pbbo
, user_buffers
);
425 if (unlikely(ret
< 0)) {
426 if (ret
!= -ERESTARTSYS
)
427 NV_ERROR(dev
, "validate both_list\n");
428 validate_fini(op
, NULL
);
433 *apply_relocs
= relocs
;
438 u_memcpya(uint64_t user
, unsigned nmemb
, unsigned size
)
441 void __user
*userptr
= (void __force __user
*)(uintptr_t)user
;
443 mem
= kmalloc(nmemb
* size
, GFP_KERNEL
);
445 return ERR_PTR(-ENOMEM
);
447 if (DRM_COPY_FROM_USER(mem
, userptr
, nmemb
* size
)) {
449 return ERR_PTR(-EFAULT
);
456 nouveau_gem_pushbuf_reloc_apply(struct drm_device
*dev
,
457 struct drm_nouveau_gem_pushbuf
*req
,
458 struct drm_nouveau_gem_pushbuf_bo
*bo
)
460 struct drm_nouveau_gem_pushbuf_reloc
*reloc
= NULL
;
464 reloc
= u_memcpya(req
->relocs
, req
->nr_relocs
, sizeof(*reloc
));
466 return PTR_ERR(reloc
);
468 for (i
= 0; i
< req
->nr_relocs
; i
++) {
469 struct drm_nouveau_gem_pushbuf_reloc
*r
= &reloc
[i
];
470 struct drm_nouveau_gem_pushbuf_bo
*b
;
471 struct nouveau_bo
*nvbo
;
474 if (unlikely(r
->bo_index
> req
->nr_buffers
)) {
475 NV_ERROR(dev
, "reloc bo index invalid\n");
480 b
= &bo
[r
->bo_index
];
481 if (b
->presumed
.valid
)
484 if (unlikely(r
->reloc_bo_index
> req
->nr_buffers
)) {
485 NV_ERROR(dev
, "reloc container bo index invalid\n");
489 nvbo
= (void *)(unsigned long)bo
[r
->reloc_bo_index
].user_priv
;
491 if (unlikely(r
->reloc_bo_offset
+ 4 >
492 nvbo
->bo
.mem
.num_pages
<< PAGE_SHIFT
)) {
493 NV_ERROR(dev
, "reloc outside of bo\n");
498 if (!nvbo
->kmap
.virtual) {
499 ret
= ttm_bo_kmap(&nvbo
->bo
, 0, nvbo
->bo
.mem
.num_pages
,
502 NV_ERROR(dev
, "failed kmap for reloc\n");
505 nvbo
->validate_mapped
= true;
508 if (r
->flags
& NOUVEAU_GEM_RELOC_LOW
)
509 data
= b
->presumed
.offset
+ r
->data
;
511 if (r
->flags
& NOUVEAU_GEM_RELOC_HIGH
)
512 data
= (b
->presumed
.offset
+ r
->data
) >> 32;
516 if (r
->flags
& NOUVEAU_GEM_RELOC_OR
) {
517 if (b
->presumed
.domain
== NOUVEAU_GEM_DOMAIN_GART
)
523 spin_lock(&nvbo
->bo
.bdev
->fence_lock
);
524 ret
= ttm_bo_wait(&nvbo
->bo
, false, false, false);
525 spin_unlock(&nvbo
->bo
.bdev
->fence_lock
);
527 NV_ERROR(dev
, "reloc wait_idle failed: %d\n", ret
);
531 nouveau_bo_wr32(nvbo
, r
->reloc_bo_offset
>> 2, data
);
539 nouveau_gem_ioctl_pushbuf(struct drm_device
*dev
, void *data
,
540 struct drm_file
*file_priv
)
542 struct drm_nouveau_private
*dev_priv
= dev
->dev_private
;
543 struct drm_nouveau_gem_pushbuf
*req
= data
;
544 struct drm_nouveau_gem_pushbuf_push
*push
;
545 struct drm_nouveau_gem_pushbuf_bo
*bo
;
546 struct nouveau_channel
*chan
;
547 struct validate_op op
;
548 struct nouveau_fence
*fence
= NULL
;
549 int i
, j
, ret
= 0, do_reloc
= 0;
551 chan
= nouveau_channel_get(dev
, file_priv
, req
->channel
);
553 return PTR_ERR(chan
);
555 req
->vram_available
= dev_priv
->fb_aper_free
;
556 req
->gart_available
= dev_priv
->gart_info
.aper_free
;
557 if (unlikely(req
->nr_push
== 0))
560 if (unlikely(req
->nr_push
> NOUVEAU_GEM_MAX_PUSH
)) {
561 NV_ERROR(dev
, "pushbuf push count exceeds limit: %d max %d\n",
562 req
->nr_push
, NOUVEAU_GEM_MAX_PUSH
);
563 nouveau_channel_put(&chan
);
567 if (unlikely(req
->nr_buffers
> NOUVEAU_GEM_MAX_BUFFERS
)) {
568 NV_ERROR(dev
, "pushbuf bo count exceeds limit: %d max %d\n",
569 req
->nr_buffers
, NOUVEAU_GEM_MAX_BUFFERS
);
570 nouveau_channel_put(&chan
);
574 if (unlikely(req
->nr_relocs
> NOUVEAU_GEM_MAX_RELOCS
)) {
575 NV_ERROR(dev
, "pushbuf reloc count exceeds limit: %d max %d\n",
576 req
->nr_relocs
, NOUVEAU_GEM_MAX_RELOCS
);
577 nouveau_channel_put(&chan
);
581 push
= u_memcpya(req
->push
, req
->nr_push
, sizeof(*push
));
583 nouveau_channel_put(&chan
);
584 return PTR_ERR(push
);
587 bo
= u_memcpya(req
->buffers
, req
->nr_buffers
, sizeof(*bo
));
590 nouveau_channel_put(&chan
);
594 /* Mark push buffers as being used on PFIFO, the validation code
595 * will then make sure that if the pushbuf bo moves, that they
596 * happen on the kernel channel, which will in turn cause a sync
597 * to happen before we try and submit the push buffer.
599 for (i
= 0; i
< req
->nr_push
; i
++) {
600 if (push
[i
].bo_index
>= req
->nr_buffers
) {
601 NV_ERROR(dev
, "push %d buffer not in list\n", i
);
606 bo
[push
[i
].bo_index
].read_domains
|= (1 << 31);
609 /* Validate buffer list */
610 ret
= nouveau_gem_pushbuf_validate(chan
, file_priv
, bo
, req
->buffers
,
611 req
->nr_buffers
, &op
, &do_reloc
);
613 if (ret
!= -ERESTARTSYS
)
614 NV_ERROR(dev
, "validate: %d\n", ret
);
618 /* Apply any relocations that are required */
620 ret
= nouveau_gem_pushbuf_reloc_apply(dev
, req
, bo
);
622 NV_ERROR(dev
, "reloc apply: %d\n", ret
);
627 if (chan
->dma
.ib_max
) {
628 ret
= nouveau_dma_wait(chan
, req
->nr_push
+ 1, 6);
630 NV_INFO(dev
, "nv50cal_space: %d\n", ret
);
634 for (i
= 0; i
< req
->nr_push
; i
++) {
635 struct nouveau_bo
*nvbo
= (void *)(unsigned long)
636 bo
[push
[i
].bo_index
].user_priv
;
638 nv50_dma_push(chan
, nvbo
, push
[i
].offset
,
642 if (dev_priv
->chipset
>= 0x25) {
643 ret
= RING_SPACE(chan
, req
->nr_push
* 2);
645 NV_ERROR(dev
, "cal_space: %d\n", ret
);
649 for (i
= 0; i
< req
->nr_push
; i
++) {
650 struct nouveau_bo
*nvbo
= (void *)(unsigned long)
651 bo
[push
[i
].bo_index
].user_priv
;
652 struct drm_mm_node
*mem
= nvbo
->bo
.mem
.mm_node
;
654 OUT_RING(chan
, ((mem
->start
<< PAGE_SHIFT
) +
655 push
[i
].offset
) | 2);
659 ret
= RING_SPACE(chan
, req
->nr_push
* (2 + NOUVEAU_DMA_SKIPS
));
661 NV_ERROR(dev
, "jmp_space: %d\n", ret
);
665 for (i
= 0; i
< req
->nr_push
; i
++) {
666 struct nouveau_bo
*nvbo
= (void *)(unsigned long)
667 bo
[push
[i
].bo_index
].user_priv
;
668 struct drm_mm_node
*mem
= nvbo
->bo
.mem
.mm_node
;
671 cmd
= chan
->pushbuf_base
+ ((chan
->dma
.cur
+ 2) << 2);
673 if (unlikely(cmd
!= req
->suffix0
)) {
674 if (!nvbo
->kmap
.virtual) {
675 ret
= ttm_bo_kmap(&nvbo
->bo
, 0,
683 nvbo
->validate_mapped
= true;
686 nouveau_bo_wr32(nvbo
, (push
[i
].offset
+
687 push
[i
].length
- 8) / 4, cmd
);
690 OUT_RING(chan
, ((mem
->start
<< PAGE_SHIFT
) +
691 push
[i
].offset
) | 0x20000000);
693 for (j
= 0; j
< NOUVEAU_DMA_SKIPS
; j
++)
698 ret
= nouveau_fence_new(chan
, &fence
, true);
700 NV_ERROR(dev
, "error fencing pushbuf: %d\n", ret
);
706 validate_fini(&op
, fence
);
707 nouveau_fence_unref(&fence
);
714 if (chan
->dma
.ib_max
) {
715 req
->suffix0
= 0x00000000;
716 req
->suffix1
= 0x00000000;
718 if (dev_priv
->chipset
>= 0x25) {
719 req
->suffix0
= 0x00020000;
720 req
->suffix1
= 0x00000000;
722 req
->suffix0
= 0x20000000 |
723 (chan
->pushbuf_base
+ ((chan
->dma
.cur
+ 2) << 2));
724 req
->suffix1
= 0x00000000;
727 nouveau_channel_put(&chan
);
731 static inline uint32_t
732 domain_to_ttm(struct nouveau_bo
*nvbo
, uint32_t domain
)
736 if (domain
& NOUVEAU_GEM_DOMAIN_VRAM
)
737 flags
|= TTM_PL_FLAG_VRAM
;
738 if (domain
& NOUVEAU_GEM_DOMAIN_GART
)
739 flags
|= TTM_PL_FLAG_TT
;
745 nouveau_gem_ioctl_cpu_prep(struct drm_device
*dev
, void *data
,
746 struct drm_file
*file_priv
)
748 struct drm_nouveau_gem_cpu_prep
*req
= data
;
749 struct drm_gem_object
*gem
;
750 struct nouveau_bo
*nvbo
;
751 bool no_wait
= !!(req
->flags
& NOUVEAU_GEM_CPU_PREP_NOWAIT
);
754 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
757 nvbo
= nouveau_gem_object(gem
);
759 spin_lock(&nvbo
->bo
.bdev
->fence_lock
);
760 ret
= ttm_bo_wait(&nvbo
->bo
, true, true, no_wait
);
761 spin_unlock(&nvbo
->bo
.bdev
->fence_lock
);
762 drm_gem_object_unreference_unlocked(gem
);
767 nouveau_gem_ioctl_cpu_fini(struct drm_device
*dev
, void *data
,
768 struct drm_file
*file_priv
)
774 nouveau_gem_ioctl_info(struct drm_device
*dev
, void *data
,
775 struct drm_file
*file_priv
)
777 struct drm_nouveau_gem_info
*req
= data
;
778 struct drm_gem_object
*gem
;
781 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
785 ret
= nouveau_gem_info(gem
, req
);
786 drm_gem_object_unreference_unlocked(gem
);