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 list_del(&nvbo
->entry
);
245 nvbo
->reserved_by
= NULL
;
246 ttm_bo_unreserve(&nvbo
->bo
);
247 drm_gem_object_unreference(nvbo
->gem
);
252 validate_fini(struct validate_op
*op
, struct nouveau_fence
* fence
)
254 validate_fini_list(&op
->vram_list
, fence
);
255 validate_fini_list(&op
->gart_list
, fence
);
256 validate_fini_list(&op
->both_list
, fence
);
260 validate_init(struct nouveau_channel
*chan
, struct drm_file
*file_priv
,
261 struct drm_nouveau_gem_pushbuf_bo
*pbbo
,
262 int nr_buffers
, struct validate_op
*op
)
264 struct drm_device
*dev
= chan
->dev
;
265 struct drm_nouveau_private
*dev_priv
= dev
->dev_private
;
270 sequence
= atomic_add_return(1, &dev_priv
->ttm
.validate_sequence
);
272 if (++trycnt
> 100000) {
273 NV_ERROR(dev
, "%s failed and gave up.\n", __func__
);
277 for (i
= 0; i
< nr_buffers
; i
++) {
278 struct drm_nouveau_gem_pushbuf_bo
*b
= &pbbo
[i
];
279 struct drm_gem_object
*gem
;
280 struct nouveau_bo
*nvbo
;
282 gem
= drm_gem_object_lookup(dev
, file_priv
, b
->handle
);
284 NV_ERROR(dev
, "Unknown handle 0x%08x\n", b
->handle
);
285 validate_fini(op
, NULL
);
288 nvbo
= gem
->driver_private
;
290 if (nvbo
->reserved_by
&& nvbo
->reserved_by
== file_priv
) {
291 NV_ERROR(dev
, "multiple instances of buffer %d on "
292 "validation list\n", b
->handle
);
293 validate_fini(op
, NULL
);
297 ret
= ttm_bo_reserve(&nvbo
->bo
, false, false, true, sequence
);
299 validate_fini(op
, NULL
);
301 ret
= ttm_bo_wait_unreserved(&nvbo
->bo
, false);
302 drm_gem_object_unreference(gem
);
308 nvbo
->reserved_by
= file_priv
;
309 nvbo
->pbbo_index
= i
;
310 if ((b
->valid_domains
& NOUVEAU_GEM_DOMAIN_VRAM
) &&
311 (b
->valid_domains
& NOUVEAU_GEM_DOMAIN_GART
))
312 list_add_tail(&nvbo
->entry
, &op
->both_list
);
314 if (b
->valid_domains
& NOUVEAU_GEM_DOMAIN_VRAM
)
315 list_add_tail(&nvbo
->entry
, &op
->vram_list
);
317 if (b
->valid_domains
& NOUVEAU_GEM_DOMAIN_GART
)
318 list_add_tail(&nvbo
->entry
, &op
->gart_list
);
320 NV_ERROR(dev
, "invalid valid domains: 0x%08x\n",
322 list_add_tail(&nvbo
->entry
, &op
->both_list
);
323 validate_fini(op
, NULL
);
327 if (unlikely(atomic_read(&nvbo
->bo
.cpu_writers
) > 0)) {
328 validate_fini(op
, NULL
);
330 if (nvbo
->cpu_filp
== file_priv
) {
331 NV_ERROR(dev
, "bo %p mapped by process trying "
332 "to validate it!\n", nvbo
);
336 ret
= ttm_bo_wait_cpu(&nvbo
->bo
, false);
347 validate_list(struct nouveau_channel
*chan
, struct list_head
*list
,
348 struct drm_nouveau_gem_pushbuf_bo
*pbbo
, uint64_t user_pbbo_ptr
)
350 struct drm_nouveau_gem_pushbuf_bo __user
*upbbo
=
351 (void __force __user
*)(uintptr_t)user_pbbo_ptr
;
352 struct nouveau_bo
*nvbo
;
355 list_for_each_entry(nvbo
, list
, entry
) {
356 struct drm_nouveau_gem_pushbuf_bo
*b
= &pbbo
[nvbo
->pbbo_index
];
357 struct nouveau_fence
*prev_fence
= nvbo
->bo
.sync_obj
;
359 if (prev_fence
&& nouveau_fence_channel(prev_fence
) != chan
) {
360 spin_lock(&nvbo
->bo
.lock
);
361 ret
= ttm_bo_wait(&nvbo
->bo
, false, false, false);
362 spin_unlock(&nvbo
->bo
.lock
);
367 ret
= nouveau_gem_set_domain(nvbo
->gem
, b
->read_domains
,
373 nvbo
->channel
= chan
;
374 ret
= ttm_bo_validate(&nvbo
->bo
, &nvbo
->placement
,
376 nvbo
->channel
= NULL
;
380 if (nvbo
->bo
.offset
== b
->presumed_offset
&&
381 ((nvbo
->bo
.mem
.mem_type
== TTM_PL_VRAM
&&
382 b
->presumed_domain
& NOUVEAU_GEM_DOMAIN_VRAM
) ||
383 (nvbo
->bo
.mem
.mem_type
== TTM_PL_TT
&&
384 b
->presumed_domain
& NOUVEAU_GEM_DOMAIN_GART
)))
387 if (nvbo
->bo
.mem
.mem_type
== TTM_PL_TT
)
388 b
->presumed_domain
= NOUVEAU_GEM_DOMAIN_GART
;
390 b
->presumed_domain
= NOUVEAU_GEM_DOMAIN_VRAM
;
391 b
->presumed_offset
= nvbo
->bo
.offset
;
395 if (DRM_COPY_TO_USER(&upbbo
[nvbo
->pbbo_index
], b
, sizeof(*b
)))
403 nouveau_gem_pushbuf_validate(struct nouveau_channel
*chan
,
404 struct drm_file
*file_priv
,
405 struct drm_nouveau_gem_pushbuf_bo
*pbbo
,
406 uint64_t user_buffers
, int nr_buffers
,
407 struct validate_op
*op
, int *apply_relocs
)
411 INIT_LIST_HEAD(&op
->vram_list
);
412 INIT_LIST_HEAD(&op
->gart_list
);
413 INIT_LIST_HEAD(&op
->both_list
);
418 ret
= validate_init(chan
, file_priv
, pbbo
, nr_buffers
, op
);
422 ret
= validate_list(chan
, &op
->vram_list
, pbbo
, user_buffers
);
423 if (unlikely(ret
< 0)) {
424 validate_fini(op
, NULL
);
429 ret
= validate_list(chan
, &op
->gart_list
, pbbo
, user_buffers
);
430 if (unlikely(ret
< 0)) {
431 validate_fini(op
, NULL
);
436 ret
= validate_list(chan
, &op
->both_list
, pbbo
, user_buffers
);
437 if (unlikely(ret
< 0)) {
438 validate_fini(op
, NULL
);
443 *apply_relocs
= relocs
;
448 u_memcpya(uint64_t user
, unsigned nmemb
, unsigned size
)
451 void __user
*userptr
= (void __force __user
*)(uintptr_t)user
;
453 mem
= kmalloc(nmemb
* size
, GFP_KERNEL
);
455 return ERR_PTR(-ENOMEM
);
457 if (DRM_COPY_FROM_USER(mem
, userptr
, nmemb
* size
)) {
459 return ERR_PTR(-EFAULT
);
466 nouveau_gem_pushbuf_reloc_apply(struct nouveau_channel
*chan
, int nr_bo
,
467 struct drm_nouveau_gem_pushbuf_bo
*bo
,
468 unsigned nr_relocs
, uint64_t ptr_relocs
,
469 unsigned nr_dwords
, unsigned first_dword
,
470 uint32_t *pushbuf
, bool is_iomem
)
472 struct drm_nouveau_gem_pushbuf_reloc
*reloc
= NULL
;
473 struct drm_device
*dev
= chan
->dev
;
477 reloc
= u_memcpya(ptr_relocs
, nr_relocs
, sizeof(*reloc
));
479 return PTR_ERR(reloc
);
481 for (i
= 0; i
< nr_relocs
; i
++) {
482 struct drm_nouveau_gem_pushbuf_reloc
*r
= &reloc
[i
];
483 struct drm_nouveau_gem_pushbuf_bo
*b
;
486 if (r
->bo_index
>= nr_bo
|| r
->reloc_index
< first_dword
||
487 r
->reloc_index
>= first_dword
+ nr_dwords
) {
488 NV_ERROR(dev
, "Bad relocation %d\n", i
);
489 NV_ERROR(dev
, " bo: %d max %d\n", r
->bo_index
, nr_bo
);
490 NV_ERROR(dev
, " id: %d max %d\n", r
->reloc_index
, nr_dwords
);
495 b
= &bo
[r
->bo_index
];
499 if (r
->flags
& NOUVEAU_GEM_RELOC_LOW
)
500 data
= b
->presumed_offset
+ r
->data
;
502 if (r
->flags
& NOUVEAU_GEM_RELOC_HIGH
)
503 data
= (b
->presumed_offset
+ r
->data
) >> 32;
507 if (r
->flags
& NOUVEAU_GEM_RELOC_OR
) {
508 if (b
->presumed_domain
== NOUVEAU_GEM_DOMAIN_GART
)
515 iowrite32_native(data
, (void __force __iomem
*)
516 &pushbuf
[r
->reloc_index
]);
518 pushbuf
[r
->reloc_index
] = data
;
526 nouveau_gem_ioctl_pushbuf(struct drm_device
*dev
, void *data
,
527 struct drm_file
*file_priv
)
529 struct drm_nouveau_gem_pushbuf
*req
= data
;
530 struct drm_nouveau_gem_pushbuf_bo
*bo
= NULL
;
531 struct nouveau_channel
*chan
;
532 struct validate_op op
;
533 struct nouveau_fence
* fence
= 0;
534 uint32_t *pushbuf
= NULL
;
535 int ret
= 0, do_reloc
= 0, i
;
537 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
538 NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(req
->channel
, file_priv
, chan
);
540 if (req
->nr_dwords
>= chan
->dma
.max
||
541 req
->nr_buffers
> NOUVEAU_GEM_MAX_BUFFERS
||
542 req
->nr_relocs
> NOUVEAU_GEM_MAX_RELOCS
) {
543 NV_ERROR(dev
, "Pushbuf config exceeds limits:\n");
544 NV_ERROR(dev
, " dwords : %d max %d\n", req
->nr_dwords
,
546 NV_ERROR(dev
, " buffers: %d max %d\n", req
->nr_buffers
,
547 NOUVEAU_GEM_MAX_BUFFERS
);
548 NV_ERROR(dev
, " relocs : %d max %d\n", req
->nr_relocs
,
549 NOUVEAU_GEM_MAX_RELOCS
);
553 pushbuf
= u_memcpya(req
->dwords
, req
->nr_dwords
, sizeof(uint32_t));
555 return PTR_ERR(pushbuf
);
557 bo
= u_memcpya(req
->buffers
, req
->nr_buffers
, sizeof(*bo
));
563 mutex_lock(&dev
->struct_mutex
);
565 /* Validate buffer list */
566 ret
= nouveau_gem_pushbuf_validate(chan
, file_priv
, bo
, req
->buffers
,
567 req
->nr_buffers
, &op
, &do_reloc
);
571 /* Apply any relocations that are required */
573 ret
= nouveau_gem_pushbuf_reloc_apply(chan
, req
->nr_buffers
,
582 /* Emit push buffer to the hw
584 ret
= RING_SPACE(chan
, req
->nr_dwords
);
588 OUT_RINGp(chan
, pushbuf
, req
->nr_dwords
);
590 ret
= nouveau_fence_new(chan
, &fence
, true);
592 NV_ERROR(dev
, "error fencing pushbuf: %d\n", ret
);
597 if (nouveau_gem_pushbuf_sync(chan
)) {
598 ret
= nouveau_fence_wait(fence
, NULL
, false, false);
600 for (i
= 0; i
< req
->nr_dwords
; i
++)
601 NV_ERROR(dev
, "0x%08x\n", pushbuf
[i
]);
602 NV_ERROR(dev
, "^^ above push buffer is fail :(\n");
607 validate_fini(&op
, fence
);
608 nouveau_fence_unref((void**)&fence
);
609 mutex_unlock(&dev
->struct_mutex
);
615 #define PUSHBUF_CAL (dev_priv->card_type >= NV_20)
618 nouveau_gem_ioctl_pushbuf_call(struct drm_device
*dev
, void *data
,
619 struct drm_file
*file_priv
)
621 struct drm_nouveau_private
*dev_priv
= dev
->dev_private
;
622 struct drm_nouveau_gem_pushbuf_call
*req
= data
;
623 struct drm_nouveau_gem_pushbuf_bo
*bo
= NULL
;
624 struct nouveau_channel
*chan
;
625 struct drm_gem_object
*gem
;
626 struct nouveau_bo
*pbbo
;
627 struct validate_op op
;
628 struct nouveau_fence
* fence
= 0;
629 int i
, ret
= 0, do_reloc
= 0;
631 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
632 NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(req
->channel
, file_priv
, chan
);
634 if (unlikely(req
->handle
== 0))
637 if (req
->nr_buffers
> NOUVEAU_GEM_MAX_BUFFERS
||
638 req
->nr_relocs
> NOUVEAU_GEM_MAX_RELOCS
) {
639 NV_ERROR(dev
, "Pushbuf config exceeds limits:\n");
640 NV_ERROR(dev
, " buffers: %d max %d\n", req
->nr_buffers
,
641 NOUVEAU_GEM_MAX_BUFFERS
);
642 NV_ERROR(dev
, " relocs : %d max %d\n", req
->nr_relocs
,
643 NOUVEAU_GEM_MAX_RELOCS
);
647 bo
= u_memcpya(req
->buffers
, req
->nr_buffers
, sizeof(*bo
));
651 mutex_lock(&dev
->struct_mutex
);
653 /* Validate buffer list */
654 ret
= nouveau_gem_pushbuf_validate(chan
, file_priv
, bo
, req
->buffers
,
655 req
->nr_buffers
, &op
, &do_reloc
);
657 NV_ERROR(dev
, "validate: %d\n", ret
);
661 /* Validate DMA push buffer */
662 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
664 NV_ERROR(dev
, "Unknown pb handle 0x%08x\n", req
->handle
);
668 pbbo
= nouveau_gem_object(gem
);
670 if ((req
->offset
& 3) || req
->nr_dwords
< 2 ||
671 (unsigned long)req
->offset
> (unsigned long)pbbo
->bo
.mem
.size
||
672 (unsigned long)req
->nr_dwords
>
673 ((unsigned long)(pbbo
->bo
.mem
.size
- req
->offset
) >> 2)) {
674 NV_ERROR(dev
, "pb call misaligned or out of bounds: "
675 "%d + %d * 4 > %ld\n",
676 req
->offset
, req
->nr_dwords
, pbbo
->bo
.mem
.size
);
678 drm_gem_object_unreference(gem
);
682 ret
= ttm_bo_reserve(&pbbo
->bo
, false, false, true,
683 chan
->fence
.sequence
);
685 NV_ERROR(dev
, "resv pb: %d\n", ret
);
686 drm_gem_object_unreference(gem
);
690 nouveau_bo_placement_set(pbbo
, 1 << chan
->pushbuf_bo
->bo
.mem
.mem_type
);
691 ret
= ttm_bo_validate(&pbbo
->bo
, &pbbo
->placement
, false, false);
693 NV_ERROR(dev
, "validate pb: %d\n", ret
);
694 ttm_bo_unreserve(&pbbo
->bo
);
695 drm_gem_object_unreference(gem
);
699 list_add_tail(&pbbo
->entry
, &op
.both_list
);
701 /* If presumed return address doesn't match, we need to map the
702 * push buffer and fix it..
707 if (chan
->dma
.free
< 4 + NOUVEAU_DMA_SKIPS
) {
708 ret
= nouveau_dma_wait(chan
, 4 + NOUVEAU_DMA_SKIPS
);
710 NV_ERROR(dev
, "jmp_space: %d\n", ret
);
715 retaddy
= chan
->pushbuf_base
+ ((chan
->dma
.cur
+ 2) << 2);
716 retaddy
|= 0x20000000;
717 if (retaddy
!= req
->suffix0
) {
718 req
->suffix0
= retaddy
;
723 /* Apply any relocations that are required */
727 ret
= ttm_bo_kmap(&pbbo
->bo
, 0, pbbo
->bo
.mem
.num_pages
,
730 NV_ERROR(dev
, "kmap pb: %d\n", ret
);
734 pbvirt
= ttm_kmap_obj_virtual(&pbbo
->kmap
, &is_iomem
);
735 ret
= nouveau_gem_pushbuf_reloc_apply(chan
, req
->nr_buffers
, bo
,
743 nouveau_bo_wr32(pbbo
,
744 req
->offset
/ 4 + req
->nr_dwords
- 2,
748 ttm_bo_kunmap(&pbbo
->kmap
);
750 NV_ERROR(dev
, "reloc apply: %d\n", ret
);
756 ret
= RING_SPACE(chan
, 2);
758 NV_ERROR(dev
, "cal_space: %d\n", ret
);
761 OUT_RING(chan
, ((pbbo
->bo
.mem
.mm_node
->start
<< PAGE_SHIFT
) +
765 ret
= RING_SPACE(chan
, 2 + NOUVEAU_DMA_SKIPS
);
767 NV_ERROR(dev
, "jmp_space: %d\n", ret
);
770 OUT_RING(chan
, ((pbbo
->bo
.mem
.mm_node
->start
<< PAGE_SHIFT
) +
771 req
->offset
) | 0x20000000);
774 /* Space the jumps apart with NOPs. */
775 for (i
= 0; i
< NOUVEAU_DMA_SKIPS
; i
++)
779 ret
= nouveau_fence_new(chan
, &fence
, true);
781 NV_ERROR(dev
, "error fencing pushbuf: %d\n", ret
);
787 validate_fini(&op
, fence
);
788 nouveau_fence_unref((void**)&fence
);
789 mutex_unlock(&dev
->struct_mutex
);
794 req
->suffix0
= 0x00020000;
795 req
->suffix1
= 0x00000000;
797 req
->suffix0
= 0x20000000 |
798 (chan
->pushbuf_base
+ ((chan
->dma
.cur
+ 2) << 2));
799 req
->suffix1
= 0x00000000;
806 nouveau_gem_ioctl_pushbuf_call2(struct drm_device
*dev
, void *data
,
807 struct drm_file
*file_priv
)
809 struct drm_nouveau_private
*dev_priv
= dev
->dev_private
;
810 struct drm_nouveau_gem_pushbuf_call
*req
= data
;
812 req
->vram_available
= dev_priv
->fb_aper_free
;
813 req
->gart_available
= dev_priv
->gart_info
.aper_free
;
815 return nouveau_gem_ioctl_pushbuf_call(dev
, data
, file_priv
);
818 static inline uint32_t
819 domain_to_ttm(struct nouveau_bo
*nvbo
, uint32_t domain
)
823 if (domain
& NOUVEAU_GEM_DOMAIN_VRAM
)
824 flags
|= TTM_PL_FLAG_VRAM
;
825 if (domain
& NOUVEAU_GEM_DOMAIN_GART
)
826 flags
|= TTM_PL_FLAG_TT
;
832 nouveau_gem_ioctl_pin(struct drm_device
*dev
, void *data
,
833 struct drm_file
*file_priv
)
835 struct drm_nouveau_gem_pin
*req
= data
;
836 struct drm_gem_object
*gem
;
837 struct nouveau_bo
*nvbo
;
840 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
842 if (drm_core_check_feature(dev
, DRIVER_MODESET
)) {
843 NV_ERROR(dev
, "pin only allowed without kernel modesetting\n");
847 if (!DRM_SUSER(DRM_CURPROC
))
850 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
853 nvbo
= nouveau_gem_object(gem
);
855 ret
= nouveau_bo_pin(nvbo
, domain_to_ttm(nvbo
, req
->domain
));
859 req
->offset
= nvbo
->bo
.offset
;
860 if (nvbo
->bo
.mem
.mem_type
== TTM_PL_TT
)
861 req
->domain
= NOUVEAU_GEM_DOMAIN_GART
;
863 req
->domain
= NOUVEAU_GEM_DOMAIN_VRAM
;
866 drm_gem_object_unreference_unlocked(gem
);
872 nouveau_gem_ioctl_unpin(struct drm_device
*dev
, void *data
,
873 struct drm_file
*file_priv
)
875 struct drm_nouveau_gem_pin
*req
= data
;
876 struct drm_gem_object
*gem
;
879 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
881 if (drm_core_check_feature(dev
, DRIVER_MODESET
))
884 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
888 ret
= nouveau_bo_unpin(nouveau_gem_object(gem
));
890 drm_gem_object_unreference_unlocked(gem
);
896 nouveau_gem_ioctl_cpu_prep(struct drm_device
*dev
, void *data
,
897 struct drm_file
*file_priv
)
899 struct drm_nouveau_gem_cpu_prep
*req
= data
;
900 struct drm_gem_object
*gem
;
901 struct nouveau_bo
*nvbo
;
902 bool no_wait
= !!(req
->flags
& NOUVEAU_GEM_CPU_PREP_NOWAIT
);
905 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
907 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
910 nvbo
= nouveau_gem_object(gem
);
912 if (nvbo
->cpu_filp
) {
913 if (nvbo
->cpu_filp
== file_priv
)
916 ret
= ttm_bo_wait_cpu(&nvbo
->bo
, no_wait
);
921 if (req
->flags
& NOUVEAU_GEM_CPU_PREP_NOBLOCK
) {
922 spin_lock(&nvbo
->bo
.lock
);
923 ret
= ttm_bo_wait(&nvbo
->bo
, false, false, no_wait
);
924 spin_unlock(&nvbo
->bo
.lock
);
926 ret
= ttm_bo_synccpu_write_grab(&nvbo
->bo
, no_wait
);
928 nvbo
->cpu_filp
= file_priv
;
932 drm_gem_object_unreference_unlocked(gem
);
937 nouveau_gem_ioctl_cpu_fini(struct drm_device
*dev
, void *data
,
938 struct drm_file
*file_priv
)
940 struct drm_nouveau_gem_cpu_prep
*req
= data
;
941 struct drm_gem_object
*gem
;
942 struct nouveau_bo
*nvbo
;
945 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
947 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
950 nvbo
= nouveau_gem_object(gem
);
952 if (nvbo
->cpu_filp
!= file_priv
)
954 nvbo
->cpu_filp
= NULL
;
956 ttm_bo_synccpu_write_release(&nvbo
->bo
);
960 drm_gem_object_unreference_unlocked(gem
);
965 nouveau_gem_ioctl_info(struct drm_device
*dev
, void *data
,
966 struct drm_file
*file_priv
)
968 struct drm_nouveau_gem_info
*req
= data
;
969 struct drm_gem_object
*gem
;
972 NOUVEAU_CHECK_INITIALISED_WITH_RETURN
;
974 gem
= drm_gem_object_lookup(dev
, file_priv
, req
->handle
);
978 ret
= nouveau_gem_info(gem
, req
);
979 drm_gem_object_unreference_unlocked(gem
);