2 * Copyright 2009 Jerome Glisse.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * 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, sub license, 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 SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
16 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
18 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
19 * USE OR OTHER DEALINGS IN THE SOFTWARE.
21 * The above copyright notice and this permission notice (including the
22 * next paragraph) shall be included in all copies or substantial portions
28 * Jerome Glisse <glisse@freedesktop.org>
29 * Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
32 #include <ttm/ttm_bo_api.h>
33 #include <ttm/ttm_bo_driver.h>
34 #include <ttm/ttm_placement.h>
35 #include <ttm/ttm_module.h>
37 #include <drm/radeon_drm.h>
38 #include <linux/seq_file.h>
39 #include "radeon_reg.h"
42 #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
44 static int radeon_ttm_debugfs_init(struct radeon_device
*rdev
);
46 static struct radeon_device
*radeon_get_rdev(struct ttm_bo_device
*bdev
)
48 struct radeon_mman
*mman
;
49 struct radeon_device
*rdev
;
51 mman
= container_of(bdev
, struct radeon_mman
, bdev
);
52 rdev
= container_of(mman
, struct radeon_device
, mman
);
60 static int radeon_ttm_mem_global_init(struct ttm_global_reference
*ref
)
62 return ttm_mem_global_init(ref
->object
);
65 static void radeon_ttm_mem_global_release(struct ttm_global_reference
*ref
)
67 ttm_mem_global_release(ref
->object
);
70 static int radeon_ttm_global_init(struct radeon_device
*rdev
)
72 struct ttm_global_reference
*global_ref
;
75 rdev
->mman
.mem_global_referenced
= false;
76 global_ref
= &rdev
->mman
.mem_global_ref
;
77 global_ref
->global_type
= TTM_GLOBAL_TTM_MEM
;
78 global_ref
->size
= sizeof(struct ttm_mem_global
);
79 global_ref
->init
= &radeon_ttm_mem_global_init
;
80 global_ref
->release
= &radeon_ttm_mem_global_release
;
81 r
= ttm_global_item_ref(global_ref
);
83 DRM_ERROR("Failed setting up TTM memory accounting "
88 rdev
->mman
.bo_global_ref
.mem_glob
=
89 rdev
->mman
.mem_global_ref
.object
;
90 global_ref
= &rdev
->mman
.bo_global_ref
.ref
;
91 global_ref
->global_type
= TTM_GLOBAL_TTM_BO
;
92 global_ref
->size
= sizeof(struct ttm_bo_global
);
93 global_ref
->init
= &ttm_bo_global_init
;
94 global_ref
->release
= &ttm_bo_global_release
;
95 r
= ttm_global_item_ref(global_ref
);
97 DRM_ERROR("Failed setting up TTM BO subsystem.\n");
98 ttm_global_item_unref(&rdev
->mman
.mem_global_ref
);
102 rdev
->mman
.mem_global_referenced
= true;
106 static void radeon_ttm_global_fini(struct radeon_device
*rdev
)
108 if (rdev
->mman
.mem_global_referenced
) {
109 ttm_global_item_unref(&rdev
->mman
.bo_global_ref
.ref
);
110 ttm_global_item_unref(&rdev
->mman
.mem_global_ref
);
111 rdev
->mman
.mem_global_referenced
= false;
115 struct ttm_backend
*radeon_ttm_backend_create(struct radeon_device
*rdev
);
117 static struct ttm_backend
*
118 radeon_create_ttm_backend_entry(struct ttm_bo_device
*bdev
)
120 struct radeon_device
*rdev
;
122 rdev
= radeon_get_rdev(bdev
);
124 if (rdev
->flags
& RADEON_IS_AGP
) {
125 return ttm_agp_backend_init(bdev
, rdev
->ddev
->agp
->bridge
);
129 return radeon_ttm_backend_create(rdev
);
133 static int radeon_invalidate_caches(struct ttm_bo_device
*bdev
, uint32_t flags
)
138 static int radeon_init_mem_type(struct ttm_bo_device
*bdev
, uint32_t type
,
139 struct ttm_mem_type_manager
*man
)
141 struct radeon_device
*rdev
;
143 rdev
= radeon_get_rdev(bdev
);
148 man
->flags
= TTM_MEMTYPE_FLAG_MAPPABLE
;
149 man
->available_caching
= TTM_PL_MASK_CACHING
;
150 man
->default_caching
= TTM_PL_FLAG_CACHED
;
153 man
->gpu_offset
= rdev
->mc
.gtt_location
;
154 man
->available_caching
= TTM_PL_MASK_CACHING
;
155 man
->default_caching
= TTM_PL_FLAG_CACHED
;
156 man
->flags
= TTM_MEMTYPE_FLAG_MAPPABLE
| TTM_MEMTYPE_FLAG_CMA
;
158 if (rdev
->flags
& RADEON_IS_AGP
) {
159 if (!(drm_core_has_AGP(rdev
->ddev
) && rdev
->ddev
->agp
)) {
160 DRM_ERROR("AGP is not enabled for memory type %u\n",
164 man
->io_offset
= rdev
->mc
.agp_base
;
165 man
->io_size
= rdev
->mc
.gtt_size
;
167 if (!rdev
->ddev
->agp
->cant_use_aperture
)
168 man
->flags
= TTM_MEMTYPE_FLAG_NEEDS_IOREMAP
|
169 TTM_MEMTYPE_FLAG_MAPPABLE
;
170 man
->available_caching
= TTM_PL_FLAG_UNCACHED
|
172 man
->default_caching
= TTM_PL_FLAG_WC
;
182 /* "On-card" video ram */
183 man
->gpu_offset
= rdev
->mc
.vram_location
;
184 man
->flags
= TTM_MEMTYPE_FLAG_FIXED
|
185 TTM_MEMTYPE_FLAG_NEEDS_IOREMAP
|
186 TTM_MEMTYPE_FLAG_MAPPABLE
;
187 man
->available_caching
= TTM_PL_FLAG_UNCACHED
| TTM_PL_FLAG_WC
;
188 man
->default_caching
= TTM_PL_FLAG_WC
;
190 man
->io_offset
= rdev
->mc
.aper_base
;
191 man
->io_size
= rdev
->mc
.aper_size
;
194 DRM_ERROR("Unsupported memory type %u\n", (unsigned)type
);
200 static void radeon_evict_flags(struct ttm_buffer_object
*bo
,
201 struct ttm_placement
*placement
)
203 struct radeon_bo
*rbo
;
204 static u32 placements
= TTM_PL_MASK_CACHING
| TTM_PL_FLAG_SYSTEM
;
206 if (!radeon_ttm_bo_is_radeon_bo(bo
)) {
209 placement
->placement
= &placements
;
210 placement
->busy_placement
= &placements
;
211 placement
->num_placement
= 1;
212 placement
->num_busy_placement
= 1;
215 rbo
= container_of(bo
, struct radeon_bo
, tbo
);
216 switch (bo
->mem
.mem_type
) {
218 radeon_ttm_placement_from_domain(rbo
, RADEON_GEM_DOMAIN_GTT
);
222 radeon_ttm_placement_from_domain(rbo
, RADEON_GEM_DOMAIN_CPU
);
224 *placement
= rbo
->placement
;
227 static int radeon_verify_access(struct ttm_buffer_object
*bo
, struct file
*filp
)
232 static void radeon_move_null(struct ttm_buffer_object
*bo
,
233 struct ttm_mem_reg
*new_mem
)
235 struct ttm_mem_reg
*old_mem
= &bo
->mem
;
237 BUG_ON(old_mem
->mm_node
!= NULL
);
239 new_mem
->mm_node
= NULL
;
242 static int radeon_move_blit(struct ttm_buffer_object
*bo
,
243 bool evict
, int no_wait
,
244 struct ttm_mem_reg
*new_mem
,
245 struct ttm_mem_reg
*old_mem
)
247 struct radeon_device
*rdev
;
248 uint64_t old_start
, new_start
;
249 struct radeon_fence
*fence
;
252 rdev
= radeon_get_rdev(bo
->bdev
);
253 r
= radeon_fence_create(rdev
, &fence
);
257 old_start
= old_mem
->mm_node
->start
<< PAGE_SHIFT
;
258 new_start
= new_mem
->mm_node
->start
<< PAGE_SHIFT
;
260 switch (old_mem
->mem_type
) {
262 old_start
+= rdev
->mc
.vram_location
;
265 old_start
+= rdev
->mc
.gtt_location
;
268 DRM_ERROR("Unknown placement %d\n", old_mem
->mem_type
);
271 switch (new_mem
->mem_type
) {
273 new_start
+= rdev
->mc
.vram_location
;
276 new_start
+= rdev
->mc
.gtt_location
;
279 DRM_ERROR("Unknown placement %d\n", old_mem
->mem_type
);
282 if (!rdev
->cp
.ready
) {
283 DRM_ERROR("Trying to move memory with CP turned off.\n");
286 r
= radeon_copy(rdev
, old_start
, new_start
, new_mem
->num_pages
, fence
);
287 /* FIXME: handle copy error */
288 r
= ttm_bo_move_accel_cleanup(bo
, (void *)fence
, NULL
,
289 evict
, no_wait
, new_mem
);
290 radeon_fence_unref(&fence
);
294 static int radeon_move_vram_ram(struct ttm_buffer_object
*bo
,
295 bool evict
, bool interruptible
, bool no_wait
,
296 struct ttm_mem_reg
*new_mem
)
298 struct radeon_device
*rdev
;
299 struct ttm_mem_reg
*old_mem
= &bo
->mem
;
300 struct ttm_mem_reg tmp_mem
;
302 struct ttm_placement placement
;
305 rdev
= radeon_get_rdev(bo
->bdev
);
307 tmp_mem
.mm_node
= NULL
;
310 placement
.num_placement
= 1;
311 placement
.placement
= &placements
;
312 placement
.num_busy_placement
= 1;
313 placement
.busy_placement
= &placements
;
314 placements
= TTM_PL_MASK_CACHING
| TTM_PL_FLAG_TT
;
315 r
= ttm_bo_mem_space(bo
, &placement
, &tmp_mem
,
316 interruptible
, no_wait
);
321 r
= ttm_tt_set_placement_caching(bo
->ttm
, tmp_mem
.placement
);
326 r
= ttm_tt_bind(bo
->ttm
, &tmp_mem
);
330 r
= radeon_move_blit(bo
, true, no_wait
, &tmp_mem
, old_mem
);
334 r
= ttm_bo_move_ttm(bo
, true, no_wait
, new_mem
);
336 if (tmp_mem
.mm_node
) {
337 struct ttm_bo_global
*glob
= rdev
->mman
.bdev
.glob
;
339 spin_lock(&glob
->lru_lock
);
340 drm_mm_put_block(tmp_mem
.mm_node
);
341 spin_unlock(&glob
->lru_lock
);
347 static int radeon_move_ram_vram(struct ttm_buffer_object
*bo
,
348 bool evict
, bool interruptible
, bool no_wait
,
349 struct ttm_mem_reg
*new_mem
)
351 struct radeon_device
*rdev
;
352 struct ttm_mem_reg
*old_mem
= &bo
->mem
;
353 struct ttm_mem_reg tmp_mem
;
354 struct ttm_placement placement
;
358 rdev
= radeon_get_rdev(bo
->bdev
);
360 tmp_mem
.mm_node
= NULL
;
363 placement
.num_placement
= 1;
364 placement
.placement
= &placements
;
365 placement
.num_busy_placement
= 1;
366 placement
.busy_placement
= &placements
;
367 placements
= TTM_PL_MASK_CACHING
| TTM_PL_FLAG_TT
;
368 r
= ttm_bo_mem_space(bo
, &placement
, &tmp_mem
, interruptible
, no_wait
);
372 r
= ttm_bo_move_ttm(bo
, true, no_wait
, &tmp_mem
);
376 r
= radeon_move_blit(bo
, true, no_wait
, new_mem
, old_mem
);
381 if (tmp_mem
.mm_node
) {
382 struct ttm_bo_global
*glob
= rdev
->mman
.bdev
.glob
;
384 spin_lock(&glob
->lru_lock
);
385 drm_mm_put_block(tmp_mem
.mm_node
);
386 spin_unlock(&glob
->lru_lock
);
392 static int radeon_bo_move(struct ttm_buffer_object
*bo
,
393 bool evict
, bool interruptible
, bool no_wait
,
394 struct ttm_mem_reg
*new_mem
)
396 struct radeon_device
*rdev
;
397 struct ttm_mem_reg
*old_mem
= &bo
->mem
;
400 rdev
= radeon_get_rdev(bo
->bdev
);
401 if (old_mem
->mem_type
== TTM_PL_SYSTEM
&& bo
->ttm
== NULL
) {
402 radeon_move_null(bo
, new_mem
);
405 if ((old_mem
->mem_type
== TTM_PL_TT
&&
406 new_mem
->mem_type
== TTM_PL_SYSTEM
) ||
407 (old_mem
->mem_type
== TTM_PL_SYSTEM
&&
408 new_mem
->mem_type
== TTM_PL_TT
)) {
409 /* bind is enought */
410 radeon_move_null(bo
, new_mem
);
413 if (!rdev
->cp
.ready
|| rdev
->asic
->copy
== NULL
) {
418 if (old_mem
->mem_type
== TTM_PL_VRAM
&&
419 new_mem
->mem_type
== TTM_PL_SYSTEM
) {
420 r
= radeon_move_vram_ram(bo
, evict
, interruptible
,
422 } else if (old_mem
->mem_type
== TTM_PL_SYSTEM
&&
423 new_mem
->mem_type
== TTM_PL_VRAM
) {
424 r
= radeon_move_ram_vram(bo
, evict
, interruptible
,
427 r
= radeon_move_blit(bo
, evict
, no_wait
, new_mem
, old_mem
);
432 r
= ttm_bo_move_memcpy(bo
, evict
, no_wait
, new_mem
);
438 static int radeon_sync_obj_wait(void *sync_obj
, void *sync_arg
,
439 bool lazy
, bool interruptible
)
441 return radeon_fence_wait((struct radeon_fence
*)sync_obj
, interruptible
);
444 static int radeon_sync_obj_flush(void *sync_obj
, void *sync_arg
)
449 static void radeon_sync_obj_unref(void **sync_obj
)
451 radeon_fence_unref((struct radeon_fence
**)sync_obj
);
454 static void *radeon_sync_obj_ref(void *sync_obj
)
456 return radeon_fence_ref((struct radeon_fence
*)sync_obj
);
459 static bool radeon_sync_obj_signaled(void *sync_obj
, void *sync_arg
)
461 return radeon_fence_signaled((struct radeon_fence
*)sync_obj
);
464 static struct ttm_bo_driver radeon_bo_driver
= {
465 .create_ttm_backend_entry
= &radeon_create_ttm_backend_entry
,
466 .invalidate_caches
= &radeon_invalidate_caches
,
467 .init_mem_type
= &radeon_init_mem_type
,
468 .evict_flags
= &radeon_evict_flags
,
469 .move
= &radeon_bo_move
,
470 .verify_access
= &radeon_verify_access
,
471 .sync_obj_signaled
= &radeon_sync_obj_signaled
,
472 .sync_obj_wait
= &radeon_sync_obj_wait
,
473 .sync_obj_flush
= &radeon_sync_obj_flush
,
474 .sync_obj_unref
= &radeon_sync_obj_unref
,
475 .sync_obj_ref
= &radeon_sync_obj_ref
,
476 .move_notify
= &radeon_bo_move_notify
,
477 .fault_reserve_notify
= &radeon_bo_fault_reserve_notify
,
480 int radeon_ttm_init(struct radeon_device
*rdev
)
484 r
= radeon_ttm_global_init(rdev
);
488 /* No others user of address space so set it to 0 */
489 r
= ttm_bo_device_init(&rdev
->mman
.bdev
,
490 rdev
->mman
.bo_global_ref
.ref
.object
,
491 &radeon_bo_driver
, DRM_FILE_PAGE_OFFSET
,
494 DRM_ERROR("failed initializing buffer object driver(%d).\n", r
);
497 r
= ttm_bo_init_mm(&rdev
->mman
.bdev
, TTM_PL_VRAM
,
498 rdev
->mc
.real_vram_size
>> PAGE_SHIFT
);
500 DRM_ERROR("Failed initializing VRAM heap.\n");
503 r
= radeon_bo_create(rdev
, NULL
, 256 * 1024, true,
504 RADEON_GEM_DOMAIN_VRAM
,
505 &rdev
->stollen_vga_memory
);
509 r
= radeon_bo_reserve(rdev
->stollen_vga_memory
, false);
512 r
= radeon_bo_pin(rdev
->stollen_vga_memory
, RADEON_GEM_DOMAIN_VRAM
, NULL
);
513 radeon_bo_unreserve(rdev
->stollen_vga_memory
);
515 radeon_bo_unref(&rdev
->stollen_vga_memory
);
518 DRM_INFO("radeon: %uM of VRAM memory ready\n",
519 (unsigned)rdev
->mc
.real_vram_size
/ (1024 * 1024));
520 r
= ttm_bo_init_mm(&rdev
->mman
.bdev
, TTM_PL_TT
,
521 rdev
->mc
.gtt_size
>> PAGE_SHIFT
);
523 DRM_ERROR("Failed initializing GTT heap.\n");
526 DRM_INFO("radeon: %uM of GTT memory ready.\n",
527 (unsigned)(rdev
->mc
.gtt_size
/ (1024 * 1024)));
528 if (unlikely(rdev
->mman
.bdev
.dev_mapping
== NULL
)) {
529 rdev
->mman
.bdev
.dev_mapping
= rdev
->ddev
->dev_mapping
;
532 r
= radeon_ttm_debugfs_init(rdev
);
534 DRM_ERROR("Failed to init debugfs\n");
540 void radeon_ttm_fini(struct radeon_device
*rdev
)
544 if (rdev
->stollen_vga_memory
) {
545 r
= radeon_bo_reserve(rdev
->stollen_vga_memory
, false);
547 radeon_bo_unpin(rdev
->stollen_vga_memory
);
548 radeon_bo_unreserve(rdev
->stollen_vga_memory
);
550 radeon_bo_unref(&rdev
->stollen_vga_memory
);
552 ttm_bo_clean_mm(&rdev
->mman
.bdev
, TTM_PL_VRAM
);
553 ttm_bo_clean_mm(&rdev
->mman
.bdev
, TTM_PL_TT
);
554 ttm_bo_device_release(&rdev
->mman
.bdev
);
555 radeon_gart_fini(rdev
);
556 radeon_ttm_global_fini(rdev
);
557 DRM_INFO("radeon: ttm finalized\n");
560 static struct vm_operations_struct radeon_ttm_vm_ops
;
561 static const struct vm_operations_struct
*ttm_vm_ops
= NULL
;
563 static int radeon_ttm_fault(struct vm_area_struct
*vma
, struct vm_fault
*vmf
)
565 struct ttm_buffer_object
*bo
;
568 bo
= (struct ttm_buffer_object
*)vma
->vm_private_data
;
570 return VM_FAULT_NOPAGE
;
572 r
= ttm_vm_ops
->fault(vma
, vmf
);
576 int radeon_mmap(struct file
*filp
, struct vm_area_struct
*vma
)
578 struct drm_file
*file_priv
;
579 struct radeon_device
*rdev
;
582 if (unlikely(vma
->vm_pgoff
< DRM_FILE_PAGE_OFFSET
)) {
583 return drm_mmap(filp
, vma
);
586 file_priv
= (struct drm_file
*)filp
->private_data
;
587 rdev
= file_priv
->minor
->dev
->dev_private
;
591 r
= ttm_bo_mmap(filp
, vma
, &rdev
->mman
.bdev
);
592 if (unlikely(r
!= 0)) {
595 if (unlikely(ttm_vm_ops
== NULL
)) {
596 ttm_vm_ops
= vma
->vm_ops
;
597 radeon_ttm_vm_ops
= *ttm_vm_ops
;
598 radeon_ttm_vm_ops
.fault
= &radeon_ttm_fault
;
600 vma
->vm_ops
= &radeon_ttm_vm_ops
;
606 * TTM backend functions.
608 struct radeon_ttm_backend
{
609 struct ttm_backend backend
;
610 struct radeon_device
*rdev
;
611 unsigned long num_pages
;
613 struct page
*dummy_read_page
;
619 static int radeon_ttm_backend_populate(struct ttm_backend
*backend
,
620 unsigned long num_pages
,
622 struct page
*dummy_read_page
)
624 struct radeon_ttm_backend
*gtt
;
626 gtt
= container_of(backend
, struct radeon_ttm_backend
, backend
);
628 gtt
->num_pages
= num_pages
;
629 gtt
->dummy_read_page
= dummy_read_page
;
630 gtt
->populated
= true;
634 static void radeon_ttm_backend_clear(struct ttm_backend
*backend
)
636 struct radeon_ttm_backend
*gtt
;
638 gtt
= container_of(backend
, struct radeon_ttm_backend
, backend
);
641 gtt
->dummy_read_page
= NULL
;
642 gtt
->populated
= false;
647 static int radeon_ttm_backend_bind(struct ttm_backend
*backend
,
648 struct ttm_mem_reg
*bo_mem
)
650 struct radeon_ttm_backend
*gtt
;
653 gtt
= container_of(backend
, struct radeon_ttm_backend
, backend
);
654 gtt
->offset
= bo_mem
->mm_node
->start
<< PAGE_SHIFT
;
655 if (!gtt
->num_pages
) {
656 WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n", gtt
->num_pages
, bo_mem
, backend
);
658 r
= radeon_gart_bind(gtt
->rdev
, gtt
->offset
,
659 gtt
->num_pages
, gtt
->pages
);
661 DRM_ERROR("failed to bind %lu pages at 0x%08X\n",
662 gtt
->num_pages
, gtt
->offset
);
669 static int radeon_ttm_backend_unbind(struct ttm_backend
*backend
)
671 struct radeon_ttm_backend
*gtt
;
673 gtt
= container_of(backend
, struct radeon_ttm_backend
, backend
);
674 radeon_gart_unbind(gtt
->rdev
, gtt
->offset
, gtt
->num_pages
);
679 static void radeon_ttm_backend_destroy(struct ttm_backend
*backend
)
681 struct radeon_ttm_backend
*gtt
;
683 gtt
= container_of(backend
, struct radeon_ttm_backend
, backend
);
685 radeon_ttm_backend_unbind(backend
);
690 static struct ttm_backend_func radeon_backend_func
= {
691 .populate
= &radeon_ttm_backend_populate
,
692 .clear
= &radeon_ttm_backend_clear
,
693 .bind
= &radeon_ttm_backend_bind
,
694 .unbind
= &radeon_ttm_backend_unbind
,
695 .destroy
= &radeon_ttm_backend_destroy
,
698 struct ttm_backend
*radeon_ttm_backend_create(struct radeon_device
*rdev
)
700 struct radeon_ttm_backend
*gtt
;
702 gtt
= kzalloc(sizeof(struct radeon_ttm_backend
), GFP_KERNEL
);
706 gtt
->backend
.bdev
= &rdev
->mman
.bdev
;
707 gtt
->backend
.flags
= 0;
708 gtt
->backend
.func
= &radeon_backend_func
;
712 gtt
->dummy_read_page
= NULL
;
713 gtt
->populated
= false;
715 return >t
->backend
;
718 #define RADEON_DEBUGFS_MEM_TYPES 2
720 #if defined(CONFIG_DEBUG_FS)
721 static int radeon_mm_dump_table(struct seq_file
*m
, void *data
)
723 struct drm_info_node
*node
= (struct drm_info_node
*)m
->private;
724 struct drm_mm
*mm
= (struct drm_mm
*)node
->info_ent
->data
;
725 struct drm_device
*dev
= node
->minor
->dev
;
726 struct radeon_device
*rdev
= dev
->dev_private
;
728 struct ttm_bo_global
*glob
= rdev
->mman
.bdev
.glob
;
730 spin_lock(&glob
->lru_lock
);
731 ret
= drm_mm_dump_table(m
, mm
);
732 spin_unlock(&glob
->lru_lock
);
737 static int radeon_ttm_debugfs_init(struct radeon_device
*rdev
)
739 #if defined(CONFIG_DEBUG_FS)
740 static struct drm_info_list radeon_mem_types_list
[RADEON_DEBUGFS_MEM_TYPES
];
741 static char radeon_mem_types_names
[RADEON_DEBUGFS_MEM_TYPES
][32];
744 for (i
= 0; i
< RADEON_DEBUGFS_MEM_TYPES
; i
++) {
746 sprintf(radeon_mem_types_names
[i
], "radeon_vram_mm");
748 sprintf(radeon_mem_types_names
[i
], "radeon_gtt_mm");
749 radeon_mem_types_list
[i
].name
= radeon_mem_types_names
[i
];
750 radeon_mem_types_list
[i
].show
= &radeon_mm_dump_table
;
751 radeon_mem_types_list
[i
].driver_features
= 0;
753 radeon_mem_types_list
[i
].data
= &rdev
->mman
.bdev
.man
[TTM_PL_VRAM
].manager
;
755 radeon_mem_types_list
[i
].data
= &rdev
->mman
.bdev
.man
[TTM_PL_TT
].manager
;
758 return radeon_debugfs_add_files(rdev
, radeon_mem_types_list
, RADEON_DEBUGFS_MEM_TYPES
);