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
);
61 drm_gem_object_release(gem
);
66 nouveau_gem_new(struct drm_device
*dev
, struct nouveau_channel
*chan
,
67 int size
, int align
, uint32_t flags
, uint32_t tile_mode
,
68 uint32_t tile_flags
, bool no_vm
, bool mappable
,
69 struct nouveau_bo
**pnvbo
)
71 struct nouveau_bo
*nvbo
;
74 ret
= nouveau_bo_new(dev
, chan
, size
, align
, flags
, tile_mode
,
75 tile_flags
, no_vm
, mappable
, pnvbo
);
80 nvbo
->gem
= drm_gem_object_alloc(dev
, nvbo
->bo
.mem
.size
);
82 nouveau_bo_ref(NULL
, pnvbo
);
86 nvbo
->bo
.persistant_swap_storage
= nvbo
->gem
->filp
;
87 nvbo
->gem
->driver_private
= nvbo
;
92 nouveau_gem_info(struct drm_gem_object
*gem
, struct drm_nouveau_gem_info
*rep
)
94 struct nouveau_bo
*nvbo
= nouveau_gem_object(gem
);
96 if (nvbo
->bo
.mem
.mem_type
== TTM_PL_TT
)
97 rep
->domain
= NOUVEAU_GEM_DOMAIN_GART
;
99 rep
->domain
= NOUVEAU_GEM_DOMAIN_VRAM
;
101 rep
->size
= nvbo
->bo
.mem
.num_pages
<< PAGE_SHIFT
;
102 rep
->offset
= nvbo
->bo
.offset
;
103 rep
->map_handle
= nvbo
->mappable
? nvbo
->bo
.addr_space_offset
: 0;
104 rep
->tile_mode
= nvbo
->tile_mode
;
105 rep
->tile_flags
= nvbo
->tile_flags
;
110 nouveau_gem_tile_flags_valid(struct drm_device
*dev
, uint32_t tile_flags
) {
111 switch (tile_flags
) {
122 NV_ERROR(dev
, "bad page flags: 0x%08x\n", tile_flags
);
130 nouveau_gem_ioctl_new(struct drm_device
*dev
, void *data
,
131 struct drm_file
*file_priv
)
133 struct drm_nouveau_private
*dev_priv
= dev
->dev_private
;
134 struct drm_nouveau_gem_new
*req
= data
;
135 struct nouveau_bo
*nvbo
= NULL
;
136 struct nouveau_channel
*chan
= NULL
;
140 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
142 if (unlikely(dev_priv
->ttm
.bdev
.dev_mapping
== NULL
))
143 dev_priv
->ttm
.bdev
.dev_mapping
= dev_priv
->dev
->dev_mapping
;
145 if (req
->channel_hint
) {
146 NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(req
->channel_hint
,
150 if (req
->info
.domain
& NOUVEAU_GEM_DOMAIN_VRAM
)
151 flags
|= TTM_PL_FLAG_VRAM
;
152 if (req
->info
.domain
& NOUVEAU_GEM_DOMAIN_GART
)
153 flags
|= TTM_PL_FLAG_TT
;
154 if (!flags
|| req
->info
.domain
& NOUVEAU_GEM_DOMAIN_CPU
)
155 flags
|= TTM_PL_FLAG_SYSTEM
;
157 if (!nouveau_gem_tile_flags_valid(dev
, req
->info
.tile_flags
))
160 ret
= nouveau_gem_new(dev
, chan
, req
->info
.size
, req
->align
, flags
,
161 req
->info
.tile_mode
, req
->info
.tile_flags
, false,
162 (req
->info
.domain
& NOUVEAU_GEM_DOMAIN_MAPPABLE
),
167 ret
= nouveau_gem_info(nvbo
->gem
, &req
->info
);
171 ret
= drm_gem_handle_create(file_priv
, nvbo
->gem
, &req
->info
.handle
);
173 drm_gem_object_handle_unreference_unlocked(nvbo
->gem
);
176 drm_gem_object_unreference_unlocked(nvbo
->gem
);
181 nouveau_gem_set_domain(struct drm_gem_object
*gem
, uint32_t read_domains
,
182 uint32_t write_domains
, uint32_t valid_domains
)
184 struct nouveau_bo
*nvbo
= gem
->driver_private
;
185 struct ttm_buffer_object
*bo
= &nvbo
->bo
;
186 uint32_t domains
= valid_domains
&
187 (write_domains
? write_domains
: read_domains
);
188 uint32_t pref_flags
= 0, valid_flags
= 0;
193 if (valid_domains
& NOUVEAU_GEM_DOMAIN_VRAM
)
194 valid_flags
|= TTM_PL_FLAG_VRAM
;
196 if (valid_domains
& NOUVEAU_GEM_DOMAIN_GART
)
197 valid_flags
|= TTM_PL_FLAG_TT
;
199 if ((domains
& NOUVEAU_GEM_DOMAIN_VRAM
) &&
200 bo
->mem
.mem_type
== TTM_PL_VRAM
)
201 pref_flags
|= TTM_PL_FLAG_VRAM
;
203 else if ((domains
& NOUVEAU_GEM_DOMAIN_GART
) &&
204 bo
->mem
.mem_type
== TTM_PL_TT
)
205 pref_flags
|= TTM_PL_FLAG_TT
;
207 else if (domains
& NOUVEAU_GEM_DOMAIN_VRAM
)
208 pref_flags
|= TTM_PL_FLAG_VRAM
;
211 pref_flags
|= TTM_PL_FLAG_TT
;
213 nouveau_bo_placement_set(nvbo
, pref_flags
, valid_flags
);
219 struct list_head vram_list
;
220 struct list_head gart_list
;
221 struct list_head both_list
;
225 validate_fini_list(struct list_head
*list
, struct nouveau_fence
*fence
)
227 struct list_head
*entry
, *tmp
;
228 struct nouveau_bo
*nvbo
;
230 list_for_each_safe(entry
, tmp
, list
) {
231 nvbo
= list_entry(entry
, struct nouveau_bo
, entry
);
233 struct nouveau_fence
*prev_fence
;
235 spin_lock(&nvbo
->bo
.lock
);
236 prev_fence
= nvbo
->bo
.sync_obj
;
237 nvbo
->bo
.sync_obj
= nouveau_fence_ref(fence
);
238 spin_unlock(&nvbo
->bo
.lock
);
239 nouveau_fence_unref((void *)&prev_fence
);
242 if (unlikely(nvbo
->validate_mapped
)) {
243 ttm_bo_kunmap(&nvbo
->kmap
);
244 nvbo
->validate_mapped
= false;
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
, struct nouveau_fence
* fence
)
257 validate_fini_list(&op
->vram_list
, fence
);
258 validate_fini_list(&op
->gart_list
, fence
);
259 validate_fini_list(&op
->both_list
, fence
);
263 validate_init(struct nouveau_channel
*chan
, struct drm_file
*file_priv
,
264 struct drm_nouveau_gem_pushbuf_bo
*pbbo
,
265 int nr_buffers
, struct validate_op
*op
)
267 struct drm_device
*dev
= chan
->dev
;
268 struct drm_nouveau_private
*dev_priv
= dev
->dev_private
;
273 sequence
= atomic_add_return(1, &dev_priv
->ttm
.validate_sequence
);
275 if (++trycnt
> 100000) {
276 NV_ERROR(dev
, "%s failed and gave up.\n", __func__
);
280 for (i
= 0; i
< nr_buffers
; i
++) {
281 struct drm_nouveau_gem_pushbuf_bo
*b
= &pbbo
[i
];
282 struct drm_gem_object
*gem
;
283 struct nouveau_bo
*nvbo
;
285 gem
= drm_gem_object_lookup(dev
, file_priv
, b
->handle
);
287 NV_ERROR(dev
, "Unknown handle 0x%08x\n", b
->handle
);
288 validate_fini(op
, NULL
);
291 nvbo
= gem
->driver_private
;
293 if (nvbo
->reserved_by
&& nvbo
->reserved_by
== file_priv
) {
294 NV_ERROR(dev
, "multiple instances of buffer %d on "
295 "validation list\n", b
->handle
);
296 validate_fini(op
, NULL
);
300 ret
= ttm_bo_reserve(&nvbo
->bo
, false, false, true, sequence
);
302 validate_fini(op
, NULL
);
304 ret
= ttm_bo_wait_unreserved(&nvbo
->bo
, false);
305 drm_gem_object_unreference(gem
);
307 NV_ERROR(dev
, "fail reserve\n");
313 b
->user_priv
= (uint64_t)(unsigned long)nvbo
;
314 nvbo
->reserved_by
= file_priv
;
315 nvbo
->pbbo_index
= i
;
316 if ((b
->valid_domains
& NOUVEAU_GEM_DOMAIN_VRAM
) &&
317 (b
->valid_domains
& NOUVEAU_GEM_DOMAIN_GART
))
318 list_add_tail(&nvbo
->entry
, &op
->both_list
);
320 if (b
->valid_domains
& NOUVEAU_GEM_DOMAIN_VRAM
)
321 list_add_tail(&nvbo
->entry
, &op
->vram_list
);
323 if (b
->valid_domains
& NOUVEAU_GEM_DOMAIN_GART
)
324 list_add_tail(&nvbo
->entry
, &op
->gart_list
);
326 NV_ERROR(dev
, "invalid valid domains: 0x%08x\n",
328 list_add_tail(&nvbo
->entry
, &op
->both_list
);
329 validate_fini(op
, NULL
);
333 if (unlikely(atomic_read(&nvbo
->bo
.cpu_writers
) > 0)) {
334 validate_fini(op
, NULL
);
336 if (nvbo
->cpu_filp
== file_priv
) {
337 NV_ERROR(dev
, "bo %p mapped by process trying "
338 "to validate it!\n", nvbo
);
342 ret
= ttm_bo_wait_cpu(&nvbo
->bo
, false);
344 NV_ERROR(dev
, "fail wait_cpu\n");
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 drm_device
*dev
= chan
->dev
;
361 struct nouveau_bo
*nvbo
;
364 list_for_each_entry(nvbo
, list
, entry
) {
365 struct drm_nouveau_gem_pushbuf_bo
*b
= &pbbo
[nvbo
->pbbo_index
];
366 struct nouveau_fence
*prev_fence
= nvbo
->bo
.sync_obj
;
368 if (prev_fence
&& nouveau_fence_channel(prev_fence
) != chan
) {
369 spin_lock(&nvbo
->bo
.lock
);
370 ret
= ttm_bo_wait(&nvbo
->bo
, false, false, false);
371 spin_unlock(&nvbo
->bo
.lock
);
373 NV_ERROR(dev
, "fail wait other chan\n");
378 ret
= nouveau_gem_set_domain(nvbo
->gem
, b
->read_domains
,
382 NV_ERROR(dev
, "fail set_domain\n");
386 nvbo
->channel
= chan
;
387 ret
= ttm_bo_validate(&nvbo
->bo
, &nvbo
->placement
,
388 false, false, false);
389 nvbo
->channel
= NULL
;
391 NV_ERROR(dev
, "fail ttm_validate\n");
395 if (nvbo
->bo
.offset
== b
->presumed
.offset
&&
396 ((nvbo
->bo
.mem
.mem_type
== TTM_PL_VRAM
&&
397 b
->presumed
.domain
& NOUVEAU_GEM_DOMAIN_VRAM
) ||
398 (nvbo
->bo
.mem
.mem_type
== TTM_PL_TT
&&
399 b
->presumed
.domain
& NOUVEAU_GEM_DOMAIN_GART
)))
402 if (nvbo
->bo
.mem
.mem_type
== TTM_PL_TT
)
403 b
->presumed
.domain
= NOUVEAU_GEM_DOMAIN_GART
;
405 b
->presumed
.domain
= NOUVEAU_GEM_DOMAIN_VRAM
;
406 b
->presumed
.offset
= nvbo
->bo
.offset
;
407 b
->presumed
.valid
= 0;
410 if (DRM_COPY_TO_USER(&upbbo
[nvbo
->pbbo_index
].presumed
,
411 &b
->presumed
, sizeof(b
->presumed
)))
419 nouveau_gem_pushbuf_validate(struct nouveau_channel
*chan
,
420 struct drm_file
*file_priv
,
421 struct drm_nouveau_gem_pushbuf_bo
*pbbo
,
422 uint64_t user_buffers
, int nr_buffers
,
423 struct validate_op
*op
, int *apply_relocs
)
425 struct drm_device
*dev
= chan
->dev
;
428 INIT_LIST_HEAD(&op
->vram_list
);
429 INIT_LIST_HEAD(&op
->gart_list
);
430 INIT_LIST_HEAD(&op
->both_list
);
435 ret
= validate_init(chan
, file_priv
, pbbo
, nr_buffers
, op
);
437 NV_ERROR(dev
, "validate_init\n");
441 ret
= validate_list(chan
, &op
->vram_list
, pbbo
, user_buffers
);
442 if (unlikely(ret
< 0)) {
443 NV_ERROR(dev
, "validate vram_list\n");
444 validate_fini(op
, NULL
);
449 ret
= validate_list(chan
, &op
->gart_list
, pbbo
, user_buffers
);
450 if (unlikely(ret
< 0)) {
451 NV_ERROR(dev
, "validate gart_list\n");
452 validate_fini(op
, NULL
);
457 ret
= validate_list(chan
, &op
->both_list
, pbbo
, user_buffers
);
458 if (unlikely(ret
< 0)) {
459 NV_ERROR(dev
, "validate both_list\n");
460 validate_fini(op
, NULL
);
465 *apply_relocs
= relocs
;
470 u_memcpya(uint64_t user
, unsigned nmemb
, unsigned size
)
473 void __user
*userptr
= (void __force __user
*)(uintptr_t)user
;
475 mem
= kmalloc(nmemb
* size
, GFP_KERNEL
);
477 return ERR_PTR(-ENOMEM
);
479 if (DRM_COPY_FROM_USER(mem
, userptr
, nmemb
* size
)) {
481 return ERR_PTR(-EFAULT
);
488 nouveau_gem_pushbuf_reloc_apply(struct drm_device
*dev
,
489 struct drm_nouveau_gem_pushbuf
*req
,
490 struct drm_nouveau_gem_pushbuf_bo
*bo
)
492 struct drm_nouveau_gem_pushbuf_reloc
*reloc
= NULL
;
496 reloc
= u_memcpya(req
->relocs
, req
->nr_relocs
, sizeof(*reloc
));
498 return PTR_ERR(reloc
);
500 for (i
= 0; i
< req
->nr_relocs
; i
++) {
501 struct drm_nouveau_gem_pushbuf_reloc
*r
= &reloc
[i
];
502 struct drm_nouveau_gem_pushbuf_bo
*b
;
503 struct nouveau_bo
*nvbo
;
506 if (unlikely(r
->bo_index
> req
->nr_buffers
)) {
507 NV_ERROR(dev
, "reloc bo index invalid\n");
512 b
= &bo
[r
->bo_index
];
513 if (b
->presumed
.valid
)
516 if (unlikely(r
->reloc_bo_index
> req
->nr_buffers
)) {
517 NV_ERROR(dev
, "reloc container bo index invalid\n");
521 nvbo
= (void *)(unsigned long)bo
[r
->reloc_bo_index
].user_priv
;
523 if (unlikely(r
->reloc_bo_offset
+ 4 >
524 nvbo
->bo
.mem
.num_pages
<< PAGE_SHIFT
)) {
525 NV_ERROR(dev
, "reloc outside of bo\n");
530 if (!nvbo
->kmap
.virtual) {
531 ret
= ttm_bo_kmap(&nvbo
->bo
, 0, nvbo
->bo
.mem
.num_pages
,
534 NV_ERROR(dev
, "failed kmap for reloc\n");
537 nvbo
->validate_mapped
= true;
540 if (r
->flags
& NOUVEAU_GEM_RELOC_LOW
)
541 data
= b
->presumed
.offset
+ r
->data
;
543 if (r
->flags
& NOUVEAU_GEM_RELOC_HIGH
)
544 data
= (b
->presumed
.offset
+ r
->data
) >> 32;
548 if (r
->flags
& NOUVEAU_GEM_RELOC_OR
) {
549 if (b
->presumed
.domain
== NOUVEAU_GEM_DOMAIN_GART
)
555 spin_lock(&nvbo
->bo
.lock
);
556 ret
= ttm_bo_wait(&nvbo
->bo
, false, false, false);
557 spin_unlock(&nvbo
->bo
.lock
);
559 NV_ERROR(dev
, "reloc wait_idle failed: %d\n", ret
);
563 nouveau_bo_wr32(nvbo
, r
->reloc_bo_offset
>> 2, data
);
571 nouveau_gem_ioctl_pushbuf(struct drm_device
*dev
, void *data
,
572 struct drm_file
*file_priv
)
574 struct drm_nouveau_private
*dev_priv
= dev
->dev_private
;
575 struct drm_nouveau_gem_pushbuf
*req
= data
;
576 struct drm_nouveau_gem_pushbuf_push
*push
;
577 struct drm_nouveau_gem_pushbuf_bo
*bo
;
578 struct nouveau_channel
*chan
;
579 struct validate_op op
;
580 struct nouveau_fence
*fence
= 0;
581 int i
, j
, ret
= 0, do_reloc
= 0;
583 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
584 NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(req
->channel
, file_priv
, chan
);
586 req
->vram_available
= dev_priv
->fb_aper_free
;
587 req
->gart_available
= dev_priv
->gart_info
.aper_free
;
588 if (unlikely(req
->nr_push
== 0))
591 if (unlikely(req
->nr_push
> NOUVEAU_GEM_MAX_PUSH
)) {
592 NV_ERROR(dev
, "pushbuf push count exceeds limit: %d max %d\n",
593 req
->nr_push
, NOUVEAU_GEM_MAX_PUSH
);
597 if (unlikely(req
->nr_buffers
> NOUVEAU_GEM_MAX_BUFFERS
)) {
598 NV_ERROR(dev
, "pushbuf bo count exceeds limit: %d max %d\n",
599 req
->nr_buffers
, NOUVEAU_GEM_MAX_BUFFERS
);
603 if (unlikely(req
->nr_relocs
> NOUVEAU_GEM_MAX_RELOCS
)) {
604 NV_ERROR(dev
, "pushbuf reloc count exceeds limit: %d max %d\n",
605 req
->nr_relocs
, NOUVEAU_GEM_MAX_RELOCS
);
609 push
= u_memcpya(req
->push
, req
->nr_push
, sizeof(*push
));
611 return PTR_ERR(push
);
613 bo
= u_memcpya(req
->buffers
, req
->nr_buffers
, sizeof(*bo
));
619 mutex_lock(&dev
->struct_mutex
);
621 /* Validate buffer list */
622 ret
= nouveau_gem_pushbuf_validate(chan
, file_priv
, bo
, req
->buffers
,
623 req
->nr_buffers
, &op
, &do_reloc
);
625 NV_ERROR(dev
, "validate: %d\n", ret
);
629 /* Apply any relocations that are required */
631 ret
= nouveau_gem_pushbuf_reloc_apply(dev
, req
, bo
);
633 NV_ERROR(dev
, "reloc apply: %d\n", ret
);
638 if (chan
->dma
.ib_max
) {
639 ret
= nouveau_dma_wait(chan
, req
->nr_push
+ 1, 6);
641 NV_INFO(dev
, "nv50cal_space: %d\n", ret
);
645 for (i
= 0; i
< req
->nr_push
; i
++) {
646 struct nouveau_bo
*nvbo
= (void *)(unsigned long)
647 bo
[push
[i
].bo_index
].user_priv
;
649 nv50_dma_push(chan
, nvbo
, push
[i
].offset
,
653 if (dev_priv
->card_type
>= NV_20
) {
654 ret
= RING_SPACE(chan
, req
->nr_push
* 2);
656 NV_ERROR(dev
, "cal_space: %d\n", ret
);
660 for (i
= 0; i
< req
->nr_push
; i
++) {
661 struct nouveau_bo
*nvbo
= (void *)(unsigned long)
662 bo
[push
[i
].bo_index
].user_priv
;
663 struct drm_mm_node
*mem
= nvbo
->bo
.mem
.mm_node
;
665 OUT_RING(chan
, ((mem
->start
<< PAGE_SHIFT
) +
666 push
[i
].offset
) | 2);
670 ret
= RING_SPACE(chan
, req
->nr_push
* (2 + NOUVEAU_DMA_SKIPS
));
672 NV_ERROR(dev
, "jmp_space: %d\n", ret
);
676 for (i
= 0; i
< req
->nr_push
; i
++) {
677 struct nouveau_bo
*nvbo
= (void *)(unsigned long)
678 bo
[push
[i
].bo_index
].user_priv
;
679 struct drm_mm_node
*mem
= nvbo
->bo
.mem
.mm_node
;
682 cmd
= chan
->pushbuf_base
+ ((chan
->dma
.cur
+ 2) << 2);
684 if (unlikely(cmd
!= req
->suffix0
)) {
685 if (!nvbo
->kmap
.virtual) {
686 ret
= ttm_bo_kmap(&nvbo
->bo
, 0,
694 nvbo
->validate_mapped
= true;
697 nouveau_bo_wr32(nvbo
, (push
[i
].offset
+
698 push
[i
].length
- 8) / 4, cmd
);
701 OUT_RING(chan
, ((mem
->start
<< PAGE_SHIFT
) +
702 push
[i
].offset
) | 0x20000000);
704 for (j
= 0; j
< NOUVEAU_DMA_SKIPS
; j
++)
709 ret
= nouveau_fence_new(chan
, &fence
, true);
711 NV_ERROR(dev
, "error fencing pushbuf: %d\n", ret
);
717 validate_fini(&op
, fence
);
718 nouveau_fence_unref((void**)&fence
);
719 mutex_unlock(&dev
->struct_mutex
);
724 if (chan
->dma
.ib_max
) {
725 req
->suffix0
= 0x00000000;
726 req
->suffix1
= 0x00000000;
728 if (dev_priv
->card_type
>= NV_20
) {
729 req
->suffix0
= 0x00020000;
730 req
->suffix1
= 0x00000000;
732 req
->suffix0
= 0x20000000 |
733 (chan
->pushbuf_base
+ ((chan
->dma
.cur
+ 2) << 2));
734 req
->suffix1
= 0x00000000;
740 static inline uint32_t
741 domain_to_ttm(struct nouveau_bo
*nvbo
, uint32_t domain
)
745 if (domain
& NOUVEAU_GEM_DOMAIN_VRAM
)
746 flags
|= TTM_PL_FLAG_VRAM
;
747 if (domain
& NOUVEAU_GEM_DOMAIN_GART
)
748 flags
|= TTM_PL_FLAG_TT
;
754 nouveau_gem_ioctl_cpu_prep(struct drm_device
*dev
, void *data
,
755 struct drm_file
*file_priv
)
757 struct drm_nouveau_gem_cpu_prep
*req
= data
;
758 struct drm_gem_object
*gem
;
759 struct nouveau_bo
*nvbo
;
760 bool no_wait
= !!(req
->flags
& NOUVEAU_GEM_CPU_PREP_NOWAIT
);
763 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
765 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
768 nvbo
= nouveau_gem_object(gem
);
770 if (nvbo
->cpu_filp
) {
771 if (nvbo
->cpu_filp
== file_priv
)
774 ret
= ttm_bo_wait_cpu(&nvbo
->bo
, no_wait
);
779 if (req
->flags
& NOUVEAU_GEM_CPU_PREP_NOBLOCK
) {
780 spin_lock(&nvbo
->bo
.lock
);
781 ret
= ttm_bo_wait(&nvbo
->bo
, false, false, no_wait
);
782 spin_unlock(&nvbo
->bo
.lock
);
784 ret
= ttm_bo_synccpu_write_grab(&nvbo
->bo
, no_wait
);
786 nvbo
->cpu_filp
= file_priv
;
790 drm_gem_object_unreference_unlocked(gem
);
795 nouveau_gem_ioctl_cpu_fini(struct drm_device
*dev
, void *data
,
796 struct drm_file
*file_priv
)
798 struct drm_nouveau_gem_cpu_prep
*req
= data
;
799 struct drm_gem_object
*gem
;
800 struct nouveau_bo
*nvbo
;
803 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
805 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
808 nvbo
= nouveau_gem_object(gem
);
810 if (nvbo
->cpu_filp
!= file_priv
)
812 nvbo
->cpu_filp
= NULL
;
814 ttm_bo_synccpu_write_release(&nvbo
->bo
);
818 drm_gem_object_unreference_unlocked(gem
);
823 nouveau_gem_ioctl_info(struct drm_device
*dev
, void *data
,
824 struct drm_file
*file_priv
)
826 struct drm_nouveau_gem_info
*req
= data
;
827 struct drm_gem_object
*gem
;
830 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
832 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
836 ret
= nouveau_gem_info(gem
, req
);
837 drm_gem_object_unreference_unlocked(gem
);