2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
24 * Authors: Dave Airlie
28 #include <linux/ktime.h>
29 #include <linux/pagemap.h>
31 #include <drm/amdgpu_drm.h>
34 void amdgpu_gem_object_free(struct drm_gem_object
*gobj
)
36 struct amdgpu_bo
*robj
= gem_to_amdgpu_bo(gobj
);
39 if (robj
->gem_base
.import_attach
)
40 drm_prime_gem_destroy(&robj
->gem_base
, robj
->tbo
.sg
);
41 amdgpu_mn_unregister(robj
);
42 amdgpu_bo_unref(&robj
);
46 int amdgpu_gem_object_create(struct amdgpu_device
*adev
, unsigned long size
,
47 int alignment
, u32 initial_domain
,
48 u64 flags
, bool kernel
,
49 struct reservation_object
*resv
,
50 struct drm_gem_object
**obj
)
56 /* At least align on page size */
57 if (alignment
< PAGE_SIZE
) {
58 alignment
= PAGE_SIZE
;
62 r
= amdgpu_bo_create(adev
, size
, alignment
, kernel
, initial_domain
,
63 flags
, NULL
, resv
, 0, &bo
);
65 if (r
!= -ERESTARTSYS
) {
66 if (initial_domain
== AMDGPU_GEM_DOMAIN_VRAM
) {
67 initial_domain
|= AMDGPU_GEM_DOMAIN_GTT
;
70 DRM_ERROR("Failed to allocate GEM object (%ld, %d, %u, %d)\n",
71 size
, initial_domain
, alignment
, r
);
80 void amdgpu_gem_force_release(struct amdgpu_device
*adev
)
82 struct drm_device
*ddev
= adev
->ddev
;
83 struct drm_file
*file
;
85 mutex_lock(&ddev
->filelist_mutex
);
87 list_for_each_entry(file
, &ddev
->filelist
, lhead
) {
88 struct drm_gem_object
*gobj
;
91 WARN_ONCE(1, "Still active user space clients!\n");
92 spin_lock(&file
->table_lock
);
93 idr_for_each_entry(&file
->object_idr
, gobj
, handle
) {
94 WARN_ONCE(1, "And also active allocations!\n");
95 drm_gem_object_put_unlocked(gobj
);
97 idr_destroy(&file
->object_idr
);
98 spin_unlock(&file
->table_lock
);
101 mutex_unlock(&ddev
->filelist_mutex
);
105 * Call from drm_gem_handle_create which appear in both new and open ioctl
108 int amdgpu_gem_object_open(struct drm_gem_object
*obj
,
109 struct drm_file
*file_priv
)
111 struct amdgpu_bo
*abo
= gem_to_amdgpu_bo(obj
);
112 struct amdgpu_device
*adev
= amdgpu_ttm_adev(abo
->tbo
.bdev
);
113 struct amdgpu_fpriv
*fpriv
= file_priv
->driver_priv
;
114 struct amdgpu_vm
*vm
= &fpriv
->vm
;
115 struct amdgpu_bo_va
*bo_va
;
116 struct mm_struct
*mm
;
119 mm
= amdgpu_ttm_tt_get_usermm(abo
->tbo
.ttm
);
120 if (mm
&& mm
!= current
->mm
)
123 if (abo
->flags
& AMDGPU_GEM_CREATE_VM_ALWAYS_VALID
&&
124 abo
->tbo
.resv
!= vm
->root
.base
.bo
->tbo
.resv
)
127 r
= amdgpu_bo_reserve(abo
, false);
131 bo_va
= amdgpu_vm_bo_find(vm
, abo
);
133 bo_va
= amdgpu_vm_bo_add(adev
, vm
, abo
);
137 amdgpu_bo_unreserve(abo
);
141 void amdgpu_gem_object_close(struct drm_gem_object
*obj
,
142 struct drm_file
*file_priv
)
144 struct amdgpu_bo
*bo
= gem_to_amdgpu_bo(obj
);
145 struct amdgpu_device
*adev
= amdgpu_ttm_adev(bo
->tbo
.bdev
);
146 struct amdgpu_fpriv
*fpriv
= file_priv
->driver_priv
;
147 struct amdgpu_vm
*vm
= &fpriv
->vm
;
149 struct amdgpu_bo_list_entry vm_pd
;
150 struct list_head list
, duplicates
;
151 struct ttm_validate_buffer tv
;
152 struct ww_acquire_ctx ticket
;
153 struct amdgpu_bo_va
*bo_va
;
156 INIT_LIST_HEAD(&list
);
157 INIT_LIST_HEAD(&duplicates
);
161 list_add(&tv
.head
, &list
);
163 amdgpu_vm_get_pd_bo(vm
, &list
, &vm_pd
);
165 r
= ttm_eu_reserve_buffers(&ticket
, &list
, false, &duplicates
);
167 dev_err(adev
->dev
, "leaking bo va because "
168 "we fail to reserve bo (%d)\n", r
);
171 bo_va
= amdgpu_vm_bo_find(vm
, bo
);
172 if (bo_va
&& --bo_va
->ref_count
== 0) {
173 amdgpu_vm_bo_rmv(adev
, bo_va
);
175 if (amdgpu_vm_ready(vm
)) {
176 struct dma_fence
*fence
= NULL
;
178 r
= amdgpu_vm_clear_freed(adev
, vm
, &fence
);
180 dev_err(adev
->dev
, "failed to clear page "
181 "tables on GEM object close (%d)\n", r
);
185 amdgpu_bo_fence(bo
, fence
, true);
186 dma_fence_put(fence
);
190 ttm_eu_backoff_reservation(&ticket
, &list
);
196 int amdgpu_gem_create_ioctl(struct drm_device
*dev
, void *data
,
197 struct drm_file
*filp
)
199 struct amdgpu_device
*adev
= dev
->dev_private
;
200 struct amdgpu_fpriv
*fpriv
= filp
->driver_priv
;
201 struct amdgpu_vm
*vm
= &fpriv
->vm
;
202 union drm_amdgpu_gem_create
*args
= data
;
203 uint64_t flags
= args
->in
.domain_flags
;
204 uint64_t size
= args
->in
.bo_size
;
205 struct reservation_object
*resv
= NULL
;
206 struct drm_gem_object
*gobj
;
210 /* reject invalid gem flags */
211 if (flags
& ~(AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED
|
212 AMDGPU_GEM_CREATE_NO_CPU_ACCESS
|
213 AMDGPU_GEM_CREATE_CPU_GTT_USWC
|
214 AMDGPU_GEM_CREATE_VRAM_CLEARED
|
215 AMDGPU_GEM_CREATE_VM_ALWAYS_VALID
|
216 AMDGPU_GEM_CREATE_EXPLICIT_SYNC
))
220 /* reject invalid gem domains */
221 if (args
->in
.domains
& ~(AMDGPU_GEM_DOMAIN_CPU
|
222 AMDGPU_GEM_DOMAIN_GTT
|
223 AMDGPU_GEM_DOMAIN_VRAM
|
224 AMDGPU_GEM_DOMAIN_GDS
|
225 AMDGPU_GEM_DOMAIN_GWS
|
226 AMDGPU_GEM_DOMAIN_OA
))
229 /* create a gem object to contain this object in */
230 if (args
->in
.domains
& (AMDGPU_GEM_DOMAIN_GDS
|
231 AMDGPU_GEM_DOMAIN_GWS
| AMDGPU_GEM_DOMAIN_OA
)) {
232 flags
|= AMDGPU_GEM_CREATE_NO_CPU_ACCESS
;
233 if (args
->in
.domains
== AMDGPU_GEM_DOMAIN_GDS
)
234 size
= size
<< AMDGPU_GDS_SHIFT
;
235 else if (args
->in
.domains
== AMDGPU_GEM_DOMAIN_GWS
)
236 size
= size
<< AMDGPU_GWS_SHIFT
;
237 else if (args
->in
.domains
== AMDGPU_GEM_DOMAIN_OA
)
238 size
= size
<< AMDGPU_OA_SHIFT
;
242 size
= roundup(size
, PAGE_SIZE
);
244 if (flags
& AMDGPU_GEM_CREATE_VM_ALWAYS_VALID
) {
245 r
= amdgpu_bo_reserve(vm
->root
.base
.bo
, false);
249 resv
= vm
->root
.base
.bo
->tbo
.resv
;
252 r
= amdgpu_gem_object_create(adev
, size
, args
->in
.alignment
,
253 (u32
)(0xffffffff & args
->in
.domains
),
254 flags
, false, resv
, &gobj
);
255 if (flags
& AMDGPU_GEM_CREATE_VM_ALWAYS_VALID
) {
257 struct amdgpu_bo
*abo
= gem_to_amdgpu_bo(gobj
);
259 abo
->parent
= amdgpu_bo_ref(vm
->root
.base
.bo
);
261 amdgpu_bo_unreserve(vm
->root
.base
.bo
);
266 r
= drm_gem_handle_create(filp
, gobj
, &handle
);
267 /* drop reference from allocate - handle holds it now */
268 drm_gem_object_put_unlocked(gobj
);
272 memset(args
, 0, sizeof(*args
));
273 args
->out
.handle
= handle
;
277 int amdgpu_gem_userptr_ioctl(struct drm_device
*dev
, void *data
,
278 struct drm_file
*filp
)
280 struct amdgpu_device
*adev
= dev
->dev_private
;
281 struct drm_amdgpu_gem_userptr
*args
= data
;
282 struct drm_gem_object
*gobj
;
283 struct amdgpu_bo
*bo
;
287 if (offset_in_page(args
->addr
| args
->size
))
290 /* reject unknown flag values */
291 if (args
->flags
& ~(AMDGPU_GEM_USERPTR_READONLY
|
292 AMDGPU_GEM_USERPTR_ANONONLY
| AMDGPU_GEM_USERPTR_VALIDATE
|
293 AMDGPU_GEM_USERPTR_REGISTER
))
296 if (!(args
->flags
& AMDGPU_GEM_USERPTR_READONLY
) &&
297 !(args
->flags
& AMDGPU_GEM_USERPTR_REGISTER
)) {
299 /* if we want to write to it we must install a MMU notifier */
303 /* create a gem object to contain this object in */
304 r
= amdgpu_gem_object_create(adev
, args
->size
, 0, AMDGPU_GEM_DOMAIN_CPU
,
309 bo
= gem_to_amdgpu_bo(gobj
);
310 bo
->preferred_domains
= AMDGPU_GEM_DOMAIN_GTT
;
311 bo
->allowed_domains
= AMDGPU_GEM_DOMAIN_GTT
;
312 r
= amdgpu_ttm_tt_set_userptr(bo
->tbo
.ttm
, args
->addr
, args
->flags
);
316 if (args
->flags
& AMDGPU_GEM_USERPTR_REGISTER
) {
317 r
= amdgpu_mn_register(bo
, args
->addr
);
322 if (args
->flags
& AMDGPU_GEM_USERPTR_VALIDATE
) {
323 r
= amdgpu_ttm_tt_get_user_pages(bo
->tbo
.ttm
,
326 goto unlock_mmap_sem
;
328 r
= amdgpu_bo_reserve(bo
, true);
332 amdgpu_ttm_placement_from_domain(bo
, AMDGPU_GEM_DOMAIN_GTT
);
333 r
= ttm_bo_validate(&bo
->tbo
, &bo
->placement
, true, false);
334 amdgpu_bo_unreserve(bo
);
339 r
= drm_gem_handle_create(filp
, gobj
, &handle
);
340 /* drop reference from allocate - handle holds it now */
341 drm_gem_object_put_unlocked(gobj
);
345 args
->handle
= handle
;
349 release_pages(bo
->tbo
.ttm
->pages
, bo
->tbo
.ttm
->num_pages
);
352 up_read(¤t
->mm
->mmap_sem
);
355 drm_gem_object_put_unlocked(gobj
);
360 int amdgpu_mode_dumb_mmap(struct drm_file
*filp
,
361 struct drm_device
*dev
,
362 uint32_t handle
, uint64_t *offset_p
)
364 struct drm_gem_object
*gobj
;
365 struct amdgpu_bo
*robj
;
367 gobj
= drm_gem_object_lookup(filp
, handle
);
371 robj
= gem_to_amdgpu_bo(gobj
);
372 if (amdgpu_ttm_tt_get_usermm(robj
->tbo
.ttm
) ||
373 (robj
->flags
& AMDGPU_GEM_CREATE_NO_CPU_ACCESS
)) {
374 drm_gem_object_put_unlocked(gobj
);
377 *offset_p
= amdgpu_bo_mmap_offset(robj
);
378 drm_gem_object_put_unlocked(gobj
);
382 int amdgpu_gem_mmap_ioctl(struct drm_device
*dev
, void *data
,
383 struct drm_file
*filp
)
385 union drm_amdgpu_gem_mmap
*args
= data
;
386 uint32_t handle
= args
->in
.handle
;
387 memset(args
, 0, sizeof(*args
));
388 return amdgpu_mode_dumb_mmap(filp
, dev
, handle
, &args
->out
.addr_ptr
);
392 * amdgpu_gem_timeout - calculate jiffies timeout from absolute value
394 * @timeout_ns: timeout in ns
396 * Calculate the timeout in jiffies from an absolute timeout in ns.
398 unsigned long amdgpu_gem_timeout(uint64_t timeout_ns
)
400 unsigned long timeout_jiffies
;
403 /* clamp timeout if it's to large */
404 if (((int64_t)timeout_ns
) < 0)
405 return MAX_SCHEDULE_TIMEOUT
;
407 timeout
= ktime_sub(ns_to_ktime(timeout_ns
), ktime_get());
408 if (ktime_to_ns(timeout
) < 0)
411 timeout_jiffies
= nsecs_to_jiffies(ktime_to_ns(timeout
));
412 /* clamp timeout to avoid unsigned-> signed overflow */
413 if (timeout_jiffies
> MAX_SCHEDULE_TIMEOUT
)
414 return MAX_SCHEDULE_TIMEOUT
- 1;
416 return timeout_jiffies
;
419 int amdgpu_gem_wait_idle_ioctl(struct drm_device
*dev
, void *data
,
420 struct drm_file
*filp
)
422 union drm_amdgpu_gem_wait_idle
*args
= data
;
423 struct drm_gem_object
*gobj
;
424 struct amdgpu_bo
*robj
;
425 uint32_t handle
= args
->in
.handle
;
426 unsigned long timeout
= amdgpu_gem_timeout(args
->in
.timeout
);
430 gobj
= drm_gem_object_lookup(filp
, handle
);
434 robj
= gem_to_amdgpu_bo(gobj
);
435 ret
= reservation_object_wait_timeout_rcu(robj
->tbo
.resv
, true, true,
438 /* ret == 0 means not signaled,
439 * ret > 0 means signaled
440 * ret < 0 means interrupted before timeout
443 memset(args
, 0, sizeof(*args
));
444 args
->out
.status
= (ret
== 0);
448 drm_gem_object_put_unlocked(gobj
);
452 int amdgpu_gem_metadata_ioctl(struct drm_device
*dev
, void *data
,
453 struct drm_file
*filp
)
455 struct drm_amdgpu_gem_metadata
*args
= data
;
456 struct drm_gem_object
*gobj
;
457 struct amdgpu_bo
*robj
;
460 DRM_DEBUG("%d \n", args
->handle
);
461 gobj
= drm_gem_object_lookup(filp
, args
->handle
);
464 robj
= gem_to_amdgpu_bo(gobj
);
466 r
= amdgpu_bo_reserve(robj
, false);
467 if (unlikely(r
!= 0))
470 if (args
->op
== AMDGPU_GEM_METADATA_OP_GET_METADATA
) {
471 amdgpu_bo_get_tiling_flags(robj
, &args
->data
.tiling_info
);
472 r
= amdgpu_bo_get_metadata(robj
, args
->data
.data
,
473 sizeof(args
->data
.data
),
474 &args
->data
.data_size_bytes
,
476 } else if (args
->op
== AMDGPU_GEM_METADATA_OP_SET_METADATA
) {
477 if (args
->data
.data_size_bytes
> sizeof(args
->data
.data
)) {
481 r
= amdgpu_bo_set_tiling_flags(robj
, args
->data
.tiling_info
);
483 r
= amdgpu_bo_set_metadata(robj
, args
->data
.data
,
484 args
->data
.data_size_bytes
,
489 amdgpu_bo_unreserve(robj
);
491 drm_gem_object_put_unlocked(gobj
);
496 * amdgpu_gem_va_update_vm -update the bo_va in its VM
498 * @adev: amdgpu_device pointer
500 * @bo_va: bo_va to update
501 * @list: validation list
502 * @operation: map, unmap or clear
504 * Update the bo_va directly after setting its address. Errors are not
505 * vital here, so they are not reported back to userspace.
507 static void amdgpu_gem_va_update_vm(struct amdgpu_device
*adev
,
508 struct amdgpu_vm
*vm
,
509 struct amdgpu_bo_va
*bo_va
,
510 struct list_head
*list
,
515 if (!amdgpu_vm_ready(vm
))
518 r
= amdgpu_vm_update_directories(adev
, vm
);
522 r
= amdgpu_vm_clear_freed(adev
, vm
, NULL
);
526 if (operation
== AMDGPU_VA_OP_MAP
||
527 operation
== AMDGPU_VA_OP_REPLACE
)
528 r
= amdgpu_vm_bo_update(adev
, bo_va
, false);
531 if (r
&& r
!= -ERESTARTSYS
)
532 DRM_ERROR("Couldn't update BO_VA (%d)\n", r
);
535 int amdgpu_gem_va_ioctl(struct drm_device
*dev
, void *data
,
536 struct drm_file
*filp
)
538 const uint32_t valid_flags
= AMDGPU_VM_DELAY_UPDATE
|
539 AMDGPU_VM_PAGE_READABLE
| AMDGPU_VM_PAGE_WRITEABLE
|
540 AMDGPU_VM_PAGE_EXECUTABLE
| AMDGPU_VM_MTYPE_MASK
;
541 const uint32_t prt_flags
= AMDGPU_VM_DELAY_UPDATE
|
544 struct drm_amdgpu_gem_va
*args
= data
;
545 struct drm_gem_object
*gobj
;
546 struct amdgpu_device
*adev
= dev
->dev_private
;
547 struct amdgpu_fpriv
*fpriv
= filp
->driver_priv
;
548 struct amdgpu_bo
*abo
;
549 struct amdgpu_bo_va
*bo_va
;
550 struct amdgpu_bo_list_entry vm_pd
;
551 struct ttm_validate_buffer tv
;
552 struct ww_acquire_ctx ticket
;
553 struct list_head list
, duplicates
;
557 if (args
->va_address
< AMDGPU_VA_RESERVED_SIZE
) {
558 dev_err(&dev
->pdev
->dev
,
559 "va_address 0x%lX is in reserved area 0x%X\n",
560 (unsigned long)args
->va_address
,
561 AMDGPU_VA_RESERVED_SIZE
);
565 if ((args
->flags
& ~valid_flags
) && (args
->flags
& ~prt_flags
)) {
566 dev_err(&dev
->pdev
->dev
, "invalid flags combination 0x%08X\n",
571 switch (args
->operation
) {
572 case AMDGPU_VA_OP_MAP
:
573 case AMDGPU_VA_OP_UNMAP
:
574 case AMDGPU_VA_OP_CLEAR
:
575 case AMDGPU_VA_OP_REPLACE
:
578 dev_err(&dev
->pdev
->dev
, "unsupported operation %d\n",
583 INIT_LIST_HEAD(&list
);
584 INIT_LIST_HEAD(&duplicates
);
585 if ((args
->operation
!= AMDGPU_VA_OP_CLEAR
) &&
586 !(args
->flags
& AMDGPU_VM_PAGE_PRT
)) {
587 gobj
= drm_gem_object_lookup(filp
, args
->handle
);
590 abo
= gem_to_amdgpu_bo(gobj
);
593 list_add(&tv
.head
, &list
);
599 amdgpu_vm_get_pd_bo(&fpriv
->vm
, &list
, &vm_pd
);
601 r
= ttm_eu_reserve_buffers(&ticket
, &list
, true, &duplicates
);
606 bo_va
= amdgpu_vm_bo_find(&fpriv
->vm
, abo
);
611 } else if (args
->operation
!= AMDGPU_VA_OP_CLEAR
) {
612 bo_va
= fpriv
->prt_va
;
617 switch (args
->operation
) {
618 case AMDGPU_VA_OP_MAP
:
619 r
= amdgpu_vm_alloc_pts(adev
, bo_va
->base
.vm
, args
->va_address
,
624 va_flags
= amdgpu_vm_get_pte_flags(adev
, args
->flags
);
625 r
= amdgpu_vm_bo_map(adev
, bo_va
, args
->va_address
,
626 args
->offset_in_bo
, args
->map_size
,
629 case AMDGPU_VA_OP_UNMAP
:
630 r
= amdgpu_vm_bo_unmap(adev
, bo_va
, args
->va_address
);
633 case AMDGPU_VA_OP_CLEAR
:
634 r
= amdgpu_vm_bo_clear_mappings(adev
, &fpriv
->vm
,
638 case AMDGPU_VA_OP_REPLACE
:
639 r
= amdgpu_vm_alloc_pts(adev
, bo_va
->base
.vm
, args
->va_address
,
644 va_flags
= amdgpu_vm_get_pte_flags(adev
, args
->flags
);
645 r
= amdgpu_vm_bo_replace_map(adev
, bo_va
, args
->va_address
,
646 args
->offset_in_bo
, args
->map_size
,
652 if (!r
&& !(args
->flags
& AMDGPU_VM_DELAY_UPDATE
) && !amdgpu_vm_debug
)
653 amdgpu_gem_va_update_vm(adev
, &fpriv
->vm
, bo_va
, &list
,
657 ttm_eu_backoff_reservation(&ticket
, &list
);
660 drm_gem_object_put_unlocked(gobj
);
664 int amdgpu_gem_op_ioctl(struct drm_device
*dev
, void *data
,
665 struct drm_file
*filp
)
667 struct amdgpu_device
*adev
= dev
->dev_private
;
668 struct drm_amdgpu_gem_op
*args
= data
;
669 struct drm_gem_object
*gobj
;
670 struct amdgpu_bo
*robj
;
673 gobj
= drm_gem_object_lookup(filp
, args
->handle
);
677 robj
= gem_to_amdgpu_bo(gobj
);
679 r
= amdgpu_bo_reserve(robj
, false);
684 case AMDGPU_GEM_OP_GET_GEM_CREATE_INFO
: {
685 struct drm_amdgpu_gem_create_in info
;
686 void __user
*out
= u64_to_user_ptr(args
->value
);
688 info
.bo_size
= robj
->gem_base
.size
;
689 info
.alignment
= robj
->tbo
.mem
.page_alignment
<< PAGE_SHIFT
;
690 info
.domains
= robj
->preferred_domains
;
691 info
.domain_flags
= robj
->flags
;
692 amdgpu_bo_unreserve(robj
);
693 if (copy_to_user(out
, &info
, sizeof(info
)))
697 case AMDGPU_GEM_OP_SET_PLACEMENT
:
698 if (robj
->prime_shared_count
&& (args
->value
& AMDGPU_GEM_DOMAIN_VRAM
)) {
700 amdgpu_bo_unreserve(robj
);
703 if (amdgpu_ttm_tt_get_usermm(robj
->tbo
.ttm
)) {
705 amdgpu_bo_unreserve(robj
);
708 robj
->preferred_domains
= args
->value
& (AMDGPU_GEM_DOMAIN_VRAM
|
709 AMDGPU_GEM_DOMAIN_GTT
|
710 AMDGPU_GEM_DOMAIN_CPU
);
711 robj
->allowed_domains
= robj
->preferred_domains
;
712 if (robj
->allowed_domains
== AMDGPU_GEM_DOMAIN_VRAM
)
713 robj
->allowed_domains
|= AMDGPU_GEM_DOMAIN_GTT
;
715 if (robj
->flags
& AMDGPU_GEM_CREATE_VM_ALWAYS_VALID
)
716 amdgpu_vm_bo_invalidate(adev
, robj
, true);
718 amdgpu_bo_unreserve(robj
);
721 amdgpu_bo_unreserve(robj
);
726 drm_gem_object_put_unlocked(gobj
);
730 int amdgpu_mode_dumb_create(struct drm_file
*file_priv
,
731 struct drm_device
*dev
,
732 struct drm_mode_create_dumb
*args
)
734 struct amdgpu_device
*adev
= dev
->dev_private
;
735 struct drm_gem_object
*gobj
;
739 args
->pitch
= amdgpu_align_pitch(adev
, args
->width
,
740 DIV_ROUND_UP(args
->bpp
, 8), 0);
741 args
->size
= (u64
)args
->pitch
* args
->height
;
742 args
->size
= ALIGN(args
->size
, PAGE_SIZE
);
744 r
= amdgpu_gem_object_create(adev
, args
->size
, 0,
745 AMDGPU_GEM_DOMAIN_VRAM
,
746 AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED
,
751 r
= drm_gem_handle_create(file_priv
, gobj
, &handle
);
752 /* drop reference from allocate - handle holds it now */
753 drm_gem_object_put_unlocked(gobj
);
757 args
->handle
= handle
;
761 #if defined(CONFIG_DEBUG_FS)
762 static int amdgpu_debugfs_gem_bo_info(int id
, void *ptr
, void *data
)
764 struct drm_gem_object
*gobj
= ptr
;
765 struct amdgpu_bo
*bo
= gem_to_amdgpu_bo(gobj
);
766 struct seq_file
*m
= data
;
769 const char *placement
;
773 domain
= amdgpu_mem_type_to_domain(bo
->tbo
.mem
.mem_type
);
775 case AMDGPU_GEM_DOMAIN_VRAM
:
778 case AMDGPU_GEM_DOMAIN_GTT
:
781 case AMDGPU_GEM_DOMAIN_CPU
:
786 seq_printf(m
, "\t0x%08x: %12ld byte %s",
787 id
, amdgpu_bo_size(bo
), placement
);
789 offset
= READ_ONCE(bo
->tbo
.mem
.start
);
790 if (offset
!= AMDGPU_BO_INVALID_OFFSET
)
791 seq_printf(m
, " @ 0x%010Lx", offset
);
793 pin_count
= READ_ONCE(bo
->pin_count
);
795 seq_printf(m
, " pin count %d", pin_count
);
801 static int amdgpu_debugfs_gem_info(struct seq_file
*m
, void *data
)
803 struct drm_info_node
*node
= (struct drm_info_node
*)m
->private;
804 struct drm_device
*dev
= node
->minor
->dev
;
805 struct drm_file
*file
;
808 r
= mutex_lock_interruptible(&dev
->filelist_mutex
);
812 list_for_each_entry(file
, &dev
->filelist
, lhead
) {
813 struct task_struct
*task
;
816 * Although we have a valid reference on file->pid, that does
817 * not guarantee that the task_struct who called get_pid() is
818 * still alive (e.g. get_pid(current) => fork() => exit()).
819 * Therefore, we need to protect this ->comm access using RCU.
822 task
= pid_task(file
->pid
, PIDTYPE_PID
);
823 seq_printf(m
, "pid %8d command %s:\n", pid_nr(file
->pid
),
824 task
? task
->comm
: "<unknown>");
827 spin_lock(&file
->table_lock
);
828 idr_for_each(&file
->object_idr
, amdgpu_debugfs_gem_bo_info
, m
);
829 spin_unlock(&file
->table_lock
);
832 mutex_unlock(&dev
->filelist_mutex
);
836 static const struct drm_info_list amdgpu_debugfs_gem_list
[] = {
837 {"amdgpu_gem_info", &amdgpu_debugfs_gem_info
, 0, NULL
},
841 int amdgpu_gem_debugfs_init(struct amdgpu_device
*adev
)
843 #if defined(CONFIG_DEBUG_FS)
844 return amdgpu_debugfs_add_files(adev
, amdgpu_debugfs_gem_list
, 1);