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 drm_gem_object_handle_unreference_unlocked(nvbo
->gem
);
173 drm_gem_object_unreference_unlocked(nvbo
->gem
);
178 nouveau_gem_set_domain(struct drm_gem_object
*gem
, uint32_t read_domains
,
179 uint32_t write_domains
, uint32_t valid_domains
)
181 struct nouveau_bo
*nvbo
= gem
->driver_private
;
182 struct ttm_buffer_object
*bo
= &nvbo
->bo
;
185 if (!valid_domains
|| (!read_domains
&& !write_domains
))
189 if ((valid_domains
& NOUVEAU_GEM_DOMAIN_VRAM
) &&
190 (write_domains
& NOUVEAU_GEM_DOMAIN_VRAM
))
191 flags
= TTM_PL_FLAG_VRAM
;
193 if ((valid_domains
& NOUVEAU_GEM_DOMAIN_GART
) &&
194 (write_domains
& NOUVEAU_GEM_DOMAIN_GART
))
195 flags
= TTM_PL_FLAG_TT
;
199 if ((valid_domains
& NOUVEAU_GEM_DOMAIN_VRAM
) &&
200 (read_domains
& NOUVEAU_GEM_DOMAIN_VRAM
) &&
201 bo
->mem
.mem_type
== TTM_PL_VRAM
)
202 flags
= TTM_PL_FLAG_VRAM
;
204 if ((valid_domains
& NOUVEAU_GEM_DOMAIN_GART
) &&
205 (read_domains
& NOUVEAU_GEM_DOMAIN_GART
) &&
206 bo
->mem
.mem_type
== TTM_PL_TT
)
207 flags
= TTM_PL_FLAG_TT
;
209 if ((valid_domains
& NOUVEAU_GEM_DOMAIN_VRAM
) &&
210 (read_domains
& NOUVEAU_GEM_DOMAIN_VRAM
))
211 flags
= TTM_PL_FLAG_VRAM
;
213 flags
= TTM_PL_FLAG_TT
;
216 nouveau_bo_placement_set(nvbo
, flags
);
221 struct list_head vram_list
;
222 struct list_head gart_list
;
223 struct list_head both_list
;
227 validate_fini_list(struct list_head
*list
, struct nouveau_fence
*fence
)
229 struct list_head
*entry
, *tmp
;
230 struct nouveau_bo
*nvbo
;
232 list_for_each_safe(entry
, tmp
, list
) {
233 nvbo
= list_entry(entry
, struct nouveau_bo
, entry
);
235 struct nouveau_fence
*prev_fence
;
237 spin_lock(&nvbo
->bo
.lock
);
238 prev_fence
= nvbo
->bo
.sync_obj
;
239 nvbo
->bo
.sync_obj
= nouveau_fence_ref(fence
);
240 spin_unlock(&nvbo
->bo
.lock
);
241 nouveau_fence_unref((void *)&prev_fence
);
244 if (unlikely(nvbo
->validate_mapped
)) {
245 ttm_bo_kunmap(&nvbo
->kmap
);
246 nvbo
->validate_mapped
= false;
249 list_del(&nvbo
->entry
);
250 nvbo
->reserved_by
= NULL
;
251 ttm_bo_unreserve(&nvbo
->bo
);
252 drm_gem_object_unreference(nvbo
->gem
);
257 validate_fini(struct validate_op
*op
, struct nouveau_fence
* fence
)
259 validate_fini_list(&op
->vram_list
, fence
);
260 validate_fini_list(&op
->gart_list
, fence
);
261 validate_fini_list(&op
->both_list
, fence
);
265 validate_init(struct nouveau_channel
*chan
, struct drm_file
*file_priv
,
266 struct drm_nouveau_gem_pushbuf_bo
*pbbo
,
267 int nr_buffers
, struct validate_op
*op
)
269 struct drm_device
*dev
= chan
->dev
;
270 struct drm_nouveau_private
*dev_priv
= dev
->dev_private
;
275 sequence
= atomic_add_return(1, &dev_priv
->ttm
.validate_sequence
);
277 if (++trycnt
> 100000) {
278 NV_ERROR(dev
, "%s failed and gave up.\n", __func__
);
282 for (i
= 0; i
< nr_buffers
; i
++) {
283 struct drm_nouveau_gem_pushbuf_bo
*b
= &pbbo
[i
];
284 struct drm_gem_object
*gem
;
285 struct nouveau_bo
*nvbo
;
287 gem
= drm_gem_object_lookup(dev
, file_priv
, b
->handle
);
289 NV_ERROR(dev
, "Unknown handle 0x%08x\n", b
->handle
);
290 validate_fini(op
, NULL
);
293 nvbo
= gem
->driver_private
;
295 if (nvbo
->reserved_by
&& nvbo
->reserved_by
== file_priv
) {
296 NV_ERROR(dev
, "multiple instances of buffer %d on "
297 "validation list\n", b
->handle
);
298 validate_fini(op
, NULL
);
302 ret
= ttm_bo_reserve(&nvbo
->bo
, false, false, true, sequence
);
304 validate_fini(op
, NULL
);
306 ret
= ttm_bo_wait_unreserved(&nvbo
->bo
, false);
307 drm_gem_object_unreference(gem
);
309 NV_ERROR(dev
, "fail reserve\n");
315 b
->user_priv
= (uint64_t)(unsigned long)nvbo
;
316 nvbo
->reserved_by
= file_priv
;
317 nvbo
->pbbo_index
= i
;
318 if ((b
->valid_domains
& NOUVEAU_GEM_DOMAIN_VRAM
) &&
319 (b
->valid_domains
& NOUVEAU_GEM_DOMAIN_GART
))
320 list_add_tail(&nvbo
->entry
, &op
->both_list
);
322 if (b
->valid_domains
& NOUVEAU_GEM_DOMAIN_VRAM
)
323 list_add_tail(&nvbo
->entry
, &op
->vram_list
);
325 if (b
->valid_domains
& NOUVEAU_GEM_DOMAIN_GART
)
326 list_add_tail(&nvbo
->entry
, &op
->gart_list
);
328 NV_ERROR(dev
, "invalid valid domains: 0x%08x\n",
330 list_add_tail(&nvbo
->entry
, &op
->both_list
);
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);
346 NV_ERROR(dev
, "fail wait_cpu\n");
357 validate_list(struct nouveau_channel
*chan
, struct list_head
*list
,
358 struct drm_nouveau_gem_pushbuf_bo
*pbbo
, uint64_t user_pbbo_ptr
)
360 struct drm_nouveau_gem_pushbuf_bo __user
*upbbo
=
361 (void __force __user
*)(uintptr_t)user_pbbo_ptr
;
362 struct drm_device
*dev
= chan
->dev
;
363 struct nouveau_bo
*nvbo
;
366 list_for_each_entry(nvbo
, list
, entry
) {
367 struct drm_nouveau_gem_pushbuf_bo
*b
= &pbbo
[nvbo
->pbbo_index
];
368 struct nouveau_fence
*prev_fence
= nvbo
->bo
.sync_obj
;
370 if (prev_fence
&& nouveau_fence_channel(prev_fence
) != chan
) {
371 spin_lock(&nvbo
->bo
.lock
);
372 ret
= ttm_bo_wait(&nvbo
->bo
, false, false, false);
373 spin_unlock(&nvbo
->bo
.lock
);
375 NV_ERROR(dev
, "fail wait other chan\n");
380 ret
= nouveau_gem_set_domain(nvbo
->gem
, b
->read_domains
,
384 NV_ERROR(dev
, "fail set_domain\n");
388 nvbo
->channel
= chan
;
389 ret
= ttm_bo_validate(&nvbo
->bo
, &nvbo
->placement
,
391 nvbo
->channel
= NULL
;
393 NV_ERROR(dev
, "fail ttm_validate\n");
397 if (nvbo
->bo
.offset
== b
->presumed
.offset
&&
398 ((nvbo
->bo
.mem
.mem_type
== TTM_PL_VRAM
&&
399 b
->presumed
.domain
& NOUVEAU_GEM_DOMAIN_VRAM
) ||
400 (nvbo
->bo
.mem
.mem_type
== TTM_PL_TT
&&
401 b
->presumed
.domain
& NOUVEAU_GEM_DOMAIN_GART
)))
404 if (nvbo
->bo
.mem
.mem_type
== TTM_PL_TT
)
405 b
->presumed
.domain
= NOUVEAU_GEM_DOMAIN_GART
;
407 b
->presumed
.domain
= NOUVEAU_GEM_DOMAIN_VRAM
;
408 b
->presumed
.offset
= nvbo
->bo
.offset
;
409 b
->presumed
.valid
= 0;
412 if (DRM_COPY_TO_USER(&upbbo
[nvbo
->pbbo_index
].presumed
,
413 &b
->presumed
, sizeof(b
->presumed
)))
421 nouveau_gem_pushbuf_validate(struct nouveau_channel
*chan
,
422 struct drm_file
*file_priv
,
423 struct drm_nouveau_gem_pushbuf_bo
*pbbo
,
424 uint64_t user_buffers
, int nr_buffers
,
425 struct validate_op
*op
, int *apply_relocs
)
427 struct drm_device
*dev
= chan
->dev
;
430 INIT_LIST_HEAD(&op
->vram_list
);
431 INIT_LIST_HEAD(&op
->gart_list
);
432 INIT_LIST_HEAD(&op
->both_list
);
437 ret
= validate_init(chan
, file_priv
, pbbo
, nr_buffers
, op
);
439 NV_ERROR(dev
, "validate_init\n");
443 ret
= validate_list(chan
, &op
->vram_list
, pbbo
, user_buffers
);
444 if (unlikely(ret
< 0)) {
445 NV_ERROR(dev
, "validate vram_list\n");
446 validate_fini(op
, NULL
);
451 ret
= validate_list(chan
, &op
->gart_list
, pbbo
, user_buffers
);
452 if (unlikely(ret
< 0)) {
453 NV_ERROR(dev
, "validate gart_list\n");
454 validate_fini(op
, NULL
);
459 ret
= validate_list(chan
, &op
->both_list
, pbbo
, user_buffers
);
460 if (unlikely(ret
< 0)) {
461 NV_ERROR(dev
, "validate both_list\n");
462 validate_fini(op
, NULL
);
467 *apply_relocs
= relocs
;
472 u_memcpya(uint64_t user
, unsigned nmemb
, unsigned size
)
475 void __user
*userptr
= (void __force __user
*)(uintptr_t)user
;
477 mem
= kmalloc(nmemb
* size
, GFP_KERNEL
);
479 return ERR_PTR(-ENOMEM
);
481 if (DRM_COPY_FROM_USER(mem
, userptr
, nmemb
* size
)) {
483 return ERR_PTR(-EFAULT
);
490 nouveau_gem_pushbuf_reloc_apply(struct drm_device
*dev
,
491 struct drm_nouveau_gem_pushbuf
*req
,
492 struct drm_nouveau_gem_pushbuf_bo
*bo
)
494 struct drm_nouveau_gem_pushbuf_reloc
*reloc
= NULL
;
498 reloc
= u_memcpya(req
->relocs
, req
->nr_relocs
, sizeof(*reloc
));
500 return PTR_ERR(reloc
);
502 for (i
= 0; i
< req
->nr_relocs
; i
++) {
503 struct drm_nouveau_gem_pushbuf_reloc
*r
= &reloc
[i
];
504 struct drm_nouveau_gem_pushbuf_bo
*b
;
505 struct nouveau_bo
*nvbo
;
508 if (unlikely(r
->bo_index
> req
->nr_buffers
)) {
509 NV_ERROR(dev
, "reloc bo index invalid\n");
514 b
= &bo
[r
->bo_index
];
515 if (b
->presumed
.valid
)
518 if (unlikely(r
->reloc_bo_index
> req
->nr_buffers
)) {
519 NV_ERROR(dev
, "reloc container bo index invalid\n");
523 nvbo
= (void *)(unsigned long)bo
[r
->reloc_bo_index
].user_priv
;
525 if (unlikely(r
->reloc_bo_offset
+ 4 >
526 nvbo
->bo
.mem
.num_pages
<< PAGE_SHIFT
)) {
527 NV_ERROR(dev
, "reloc outside of bo\n");
532 if (!nvbo
->kmap
.virtual) {
533 ret
= ttm_bo_kmap(&nvbo
->bo
, 0, nvbo
->bo
.mem
.num_pages
,
536 NV_ERROR(dev
, "failed kmap for reloc\n");
539 nvbo
->validate_mapped
= true;
542 if (r
->flags
& NOUVEAU_GEM_RELOC_LOW
)
543 data
= b
->presumed
.offset
+ r
->data
;
545 if (r
->flags
& NOUVEAU_GEM_RELOC_HIGH
)
546 data
= (b
->presumed
.offset
+ r
->data
) >> 32;
550 if (r
->flags
& NOUVEAU_GEM_RELOC_OR
) {
551 if (b
->presumed
.domain
== NOUVEAU_GEM_DOMAIN_GART
)
557 spin_lock(&nvbo
->bo
.lock
);
558 ret
= ttm_bo_wait(&nvbo
->bo
, false, false, false);
559 spin_unlock(&nvbo
->bo
.lock
);
561 NV_ERROR(dev
, "reloc wait_idle failed: %d\n", ret
);
565 nouveau_bo_wr32(nvbo
, r
->reloc_bo_offset
>> 2, data
);
573 nouveau_gem_ioctl_pushbuf(struct drm_device
*dev
, void *data
,
574 struct drm_file
*file_priv
)
576 struct drm_nouveau_private
*dev_priv
= dev
->dev_private
;
577 struct drm_nouveau_gem_pushbuf
*req
= data
;
578 struct drm_nouveau_gem_pushbuf_push
*push
;
579 struct drm_nouveau_gem_pushbuf_bo
*bo
;
580 struct nouveau_channel
*chan
;
581 struct validate_op op
;
582 struct nouveau_fence
*fence
= 0;
583 int i
, j
, ret
= 0, do_reloc
= 0;
585 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
586 NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(req
->channel
, file_priv
, chan
);
588 req
->vram_available
= dev_priv
->fb_aper_free
;
589 req
->gart_available
= dev_priv
->gart_info
.aper_free
;
590 if (unlikely(req
->nr_push
== 0))
593 if (unlikely(req
->nr_push
> NOUVEAU_GEM_MAX_PUSH
)) {
594 NV_ERROR(dev
, "pushbuf push count exceeds limit: %d max %d\n",
595 req
->nr_push
, NOUVEAU_GEM_MAX_PUSH
);
599 if (unlikely(req
->nr_buffers
> NOUVEAU_GEM_MAX_BUFFERS
)) {
600 NV_ERROR(dev
, "pushbuf bo count exceeds limit: %d max %d\n",
601 req
->nr_buffers
, NOUVEAU_GEM_MAX_BUFFERS
);
605 if (unlikely(req
->nr_relocs
> NOUVEAU_GEM_MAX_RELOCS
)) {
606 NV_ERROR(dev
, "pushbuf reloc count exceeds limit: %d max %d\n",
607 req
->nr_relocs
, NOUVEAU_GEM_MAX_RELOCS
);
611 push
= u_memcpya(req
->push
, req
->nr_push
, sizeof(*push
));
613 return PTR_ERR(push
);
615 bo
= u_memcpya(req
->buffers
, req
->nr_buffers
, sizeof(*bo
));
621 mutex_lock(&dev
->struct_mutex
);
623 /* Validate buffer list */
624 ret
= nouveau_gem_pushbuf_validate(chan
, file_priv
, bo
, req
->buffers
,
625 req
->nr_buffers
, &op
, &do_reloc
);
627 NV_ERROR(dev
, "validate: %d\n", ret
);
631 /* Apply any relocations that are required */
633 ret
= nouveau_gem_pushbuf_reloc_apply(dev
, req
, bo
);
635 NV_ERROR(dev
, "reloc apply: %d\n", ret
);
640 if (chan
->dma
.ib_max
) {
641 ret
= nouveau_dma_wait(chan
, req
->nr_push
+ 1, 6);
643 NV_INFO(dev
, "nv50cal_space: %d\n", ret
);
647 for (i
= 0; i
< req
->nr_push
; i
++) {
648 struct nouveau_bo
*nvbo
= (void *)(unsigned long)
649 bo
[push
[i
].bo_index
].user_priv
;
651 nv50_dma_push(chan
, nvbo
, push
[i
].offset
,
655 if (dev_priv
->card_type
>= NV_20
) {
656 ret
= RING_SPACE(chan
, req
->nr_push
* 2);
658 NV_ERROR(dev
, "cal_space: %d\n", ret
);
662 for (i
= 0; i
< req
->nr_push
; i
++) {
663 struct nouveau_bo
*nvbo
= (void *)(unsigned long)
664 bo
[push
[i
].bo_index
].user_priv
;
665 struct drm_mm_node
*mem
= nvbo
->bo
.mem
.mm_node
;
667 OUT_RING(chan
, ((mem
->start
<< PAGE_SHIFT
) +
668 push
[i
].offset
) | 2);
672 ret
= RING_SPACE(chan
, req
->nr_push
* (2 + NOUVEAU_DMA_SKIPS
));
674 NV_ERROR(dev
, "jmp_space: %d\n", ret
);
678 for (i
= 0; i
< req
->nr_push
; i
++) {
679 struct nouveau_bo
*nvbo
= (void *)(unsigned long)
680 bo
[push
[i
].bo_index
].user_priv
;
681 struct drm_mm_node
*mem
= nvbo
->bo
.mem
.mm_node
;
684 cmd
= chan
->pushbuf_base
+ ((chan
->dma
.cur
+ 2) << 2);
686 if (unlikely(cmd
!= req
->suffix0
)) {
687 if (!nvbo
->kmap
.virtual) {
688 ret
= ttm_bo_kmap(&nvbo
->bo
, 0,
696 nvbo
->validate_mapped
= true;
699 nouveau_bo_wr32(nvbo
, (push
[i
].offset
+
700 push
[i
].length
- 8) / 4, cmd
);
703 OUT_RING(chan
, ((mem
->start
<< PAGE_SHIFT
) +
704 push
[i
].offset
) | 0x20000000);
706 for (j
= 0; j
< NOUVEAU_DMA_SKIPS
; j
++)
711 ret
= nouveau_fence_new(chan
, &fence
, true);
713 NV_ERROR(dev
, "error fencing pushbuf: %d\n", ret
);
719 validate_fini(&op
, fence
);
720 nouveau_fence_unref((void**)&fence
);
721 mutex_unlock(&dev
->struct_mutex
);
726 if (chan
->dma
.ib_max
) {
727 req
->suffix0
= 0x00000000;
728 req
->suffix1
= 0x00000000;
730 if (dev_priv
->card_type
>= NV_20
) {
731 req
->suffix0
= 0x00020000;
732 req
->suffix1
= 0x00000000;
734 req
->suffix0
= 0x20000000 |
735 (chan
->pushbuf_base
+ ((chan
->dma
.cur
+ 2) << 2));
736 req
->suffix1
= 0x00000000;
742 static inline uint32_t
743 domain_to_ttm(struct nouveau_bo
*nvbo
, uint32_t domain
)
747 if (domain
& NOUVEAU_GEM_DOMAIN_VRAM
)
748 flags
|= TTM_PL_FLAG_VRAM
;
749 if (domain
& NOUVEAU_GEM_DOMAIN_GART
)
750 flags
|= TTM_PL_FLAG_TT
;
756 nouveau_gem_ioctl_cpu_prep(struct drm_device
*dev
, void *data
,
757 struct drm_file
*file_priv
)
759 struct drm_nouveau_gem_cpu_prep
*req
= data
;
760 struct drm_gem_object
*gem
;
761 struct nouveau_bo
*nvbo
;
762 bool no_wait
= !!(req
->flags
& NOUVEAU_GEM_CPU_PREP_NOWAIT
);
765 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
767 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
770 nvbo
= nouveau_gem_object(gem
);
772 if (nvbo
->cpu_filp
) {
773 if (nvbo
->cpu_filp
== file_priv
)
776 ret
= ttm_bo_wait_cpu(&nvbo
->bo
, no_wait
);
781 if (req
->flags
& NOUVEAU_GEM_CPU_PREP_NOBLOCK
) {
782 spin_lock(&nvbo
->bo
.lock
);
783 ret
= ttm_bo_wait(&nvbo
->bo
, false, false, no_wait
);
784 spin_unlock(&nvbo
->bo
.lock
);
786 ret
= ttm_bo_synccpu_write_grab(&nvbo
->bo
, no_wait
);
788 nvbo
->cpu_filp
= file_priv
;
792 drm_gem_object_unreference_unlocked(gem
);
797 nouveau_gem_ioctl_cpu_fini(struct drm_device
*dev
, void *data
,
798 struct drm_file
*file_priv
)
800 struct drm_nouveau_gem_cpu_prep
*req
= data
;
801 struct drm_gem_object
*gem
;
802 struct nouveau_bo
*nvbo
;
805 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
807 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
810 nvbo
= nouveau_gem_object(gem
);
812 if (nvbo
->cpu_filp
!= file_priv
)
814 nvbo
->cpu_filp
= NULL
;
816 ttm_bo_synccpu_write_release(&nvbo
->bo
);
820 drm_gem_object_unreference_unlocked(gem
);
825 nouveau_gem_ioctl_info(struct drm_device
*dev
, void *data
,
826 struct drm_file
*file_priv
)
828 struct drm_nouveau_gem_info
*req
= data
;
829 struct drm_gem_object
*gem
;
832 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
834 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
838 ret
= nouveau_gem_info(gem
, req
);
839 drm_gem_object_unreference_unlocked(gem
);