2 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA,
4 * Copyright (c) 2009 VMware, Inc., Palo Alto, CA., USA,
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sub license,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include <subdev/fb.h>
28 #include <subdev/vm.h>
29 #include <subdev/instmem.h>
31 #include "nouveau_drm.h"
32 #include "nouveau_ttm.h"
33 #include "nouveau_gem.h"
36 nouveau_vram_manager_init(struct ttm_mem_type_manager
*man
, unsigned long psize
)
43 nouveau_vram_manager_fini(struct ttm_mem_type_manager
*man
)
50 nouveau_mem_node_cleanup(struct nouveau_mem
*node
)
52 if (node
->vma
[0].node
) {
53 nouveau_vm_unmap(&node
->vma
[0]);
54 nouveau_vm_put(&node
->vma
[0]);
57 if (node
->vma
[1].node
) {
58 nouveau_vm_unmap(&node
->vma
[1]);
59 nouveau_vm_put(&node
->vma
[1]);
64 nouveau_vram_manager_del(struct ttm_mem_type_manager
*man
,
65 struct ttm_mem_reg
*mem
)
67 struct nouveau_drm
*drm
= nouveau_bdev(man
->bdev
);
68 struct nouveau_fb
*pfb
= nouveau_fb(drm
->device
);
69 nouveau_mem_node_cleanup(mem
->mm_node
);
70 pfb
->ram
.put(pfb
, (struct nouveau_mem
**)&mem
->mm_node
);
74 nouveau_vram_manager_new(struct ttm_mem_type_manager
*man
,
75 struct ttm_buffer_object
*bo
,
76 struct ttm_placement
*placement
,
77 struct ttm_mem_reg
*mem
)
79 struct nouveau_drm
*drm
= nouveau_bdev(man
->bdev
);
80 struct nouveau_fb
*pfb
= nouveau_fb(drm
->device
);
81 struct nouveau_bo
*nvbo
= nouveau_bo(bo
);
82 struct nouveau_mem
*node
;
86 if (nvbo
->tile_flags
& NOUVEAU_GEM_TILE_NONCONTIG
)
87 size_nc
= 1 << nvbo
->page_shift
;
89 ret
= pfb
->ram
.get(pfb
, mem
->num_pages
<< PAGE_SHIFT
,
90 mem
->page_alignment
<< PAGE_SHIFT
, size_nc
,
91 (nvbo
->tile_flags
>> 8) & 0x3ff, &node
);
94 return (ret
== -ENOSPC
) ? 0 : ret
;
97 node
->page_shift
= nvbo
->page_shift
;
100 mem
->start
= node
->offset
>> PAGE_SHIFT
;
105 nouveau_vram_manager_debug(struct ttm_mem_type_manager
*man
, const char *prefix
)
107 struct nouveau_mm
*mm
= man
->priv
;
108 struct nouveau_mm_node
*r
;
109 u32 total
= 0, free
= 0;
111 mutex_lock(&mm
->mutex
);
112 list_for_each_entry(r
, &mm
->nodes
, nl_entry
) {
113 printk(KERN_DEBUG
"%s %d: 0x%010llx 0x%010llx\n",
114 prefix
, r
->type
, ((u64
)r
->offset
<< 12),
115 (((u64
)r
->offset
+ r
->length
) << 12));
121 mutex_unlock(&mm
->mutex
);
123 printk(KERN_DEBUG
"%s total: 0x%010llx free: 0x%010llx\n",
124 prefix
, (u64
)total
<< 12, (u64
)free
<< 12);
125 printk(KERN_DEBUG
"%s block: 0x%08x\n",
126 prefix
, mm
->block_size
<< 12);
129 const struct ttm_mem_type_manager_func nouveau_vram_manager
= {
130 nouveau_vram_manager_init
,
131 nouveau_vram_manager_fini
,
132 nouveau_vram_manager_new
,
133 nouveau_vram_manager_del
,
134 nouveau_vram_manager_debug
138 nouveau_gart_manager_init(struct ttm_mem_type_manager
*man
, unsigned long psize
)
144 nouveau_gart_manager_fini(struct ttm_mem_type_manager
*man
)
150 nouveau_gart_manager_del(struct ttm_mem_type_manager
*man
,
151 struct ttm_mem_reg
*mem
)
153 nouveau_mem_node_cleanup(mem
->mm_node
);
159 nouveau_gart_manager_new(struct ttm_mem_type_manager
*man
,
160 struct ttm_buffer_object
*bo
,
161 struct ttm_placement
*placement
,
162 struct ttm_mem_reg
*mem
)
164 struct nouveau_mem
*node
;
166 if (unlikely((mem
->num_pages
<< PAGE_SHIFT
) >= 512 * 1024 * 1024))
169 node
= kzalloc(sizeof(*node
), GFP_KERNEL
);
172 node
->page_shift
= 12;
180 nouveau_gart_manager_debug(struct ttm_mem_type_manager
*man
, const char *prefix
)
184 const struct ttm_mem_type_manager_func nouveau_gart_manager
= {
185 nouveau_gart_manager_init
,
186 nouveau_gart_manager_fini
,
187 nouveau_gart_manager_new
,
188 nouveau_gart_manager_del
,
189 nouveau_gart_manager_debug
192 #include <core/subdev/vm/nv04.h>
194 nv04_gart_manager_init(struct ttm_mem_type_manager
*man
, unsigned long psize
)
196 struct nouveau_drm
*drm
= nouveau_bdev(man
->bdev
);
197 struct nouveau_vmmgr
*vmm
= nouveau_vmmgr(drm
->device
);
198 struct nv04_vmmgr_priv
*priv
= (void *)vmm
;
199 struct nouveau_vm
*vm
= NULL
;
200 nouveau_vm_ref(priv
->vm
, &vm
, NULL
);
206 nv04_gart_manager_fini(struct ttm_mem_type_manager
*man
)
208 struct nouveau_vm
*vm
= man
->priv
;
209 nouveau_vm_ref(NULL
, &vm
, NULL
);
215 nv04_gart_manager_del(struct ttm_mem_type_manager
*man
, struct ttm_mem_reg
*mem
)
217 struct nouveau_mem
*node
= mem
->mm_node
;
218 if (node
->vma
[0].node
)
219 nouveau_vm_put(&node
->vma
[0]);
225 nv04_gart_manager_new(struct ttm_mem_type_manager
*man
,
226 struct ttm_buffer_object
*bo
,
227 struct ttm_placement
*placement
,
228 struct ttm_mem_reg
*mem
)
230 struct nouveau_mem
*node
;
233 node
= kzalloc(sizeof(*node
), GFP_KERNEL
);
237 node
->page_shift
= 12;
239 ret
= nouveau_vm_get(man
->priv
, mem
->num_pages
<< 12, node
->page_shift
,
240 NV_MEM_ACCESS_RW
, &node
->vma
[0]);
247 mem
->start
= node
->vma
[0].offset
>> PAGE_SHIFT
;
252 nv04_gart_manager_debug(struct ttm_mem_type_manager
*man
, const char *prefix
)
256 const struct ttm_mem_type_manager_func nv04_gart_manager
= {
257 nv04_gart_manager_init
,
258 nv04_gart_manager_fini
,
259 nv04_gart_manager_new
,
260 nv04_gart_manager_del
,
261 nv04_gart_manager_debug
265 nouveau_ttm_mmap(struct file
*filp
, struct vm_area_struct
*vma
)
267 struct drm_file
*file_priv
= filp
->private_data
;
268 struct nouveau_drm
*drm
= nouveau_drm(file_priv
->minor
->dev
);
270 if (unlikely(vma
->vm_pgoff
< DRM_FILE_PAGE_OFFSET
))
271 return drm_mmap(filp
, vma
);
273 return ttm_bo_mmap(filp
, vma
, &drm
->ttm
.bdev
);
277 nouveau_ttm_mem_global_init(struct drm_global_reference
*ref
)
279 return ttm_mem_global_init(ref
->object
);
283 nouveau_ttm_mem_global_release(struct drm_global_reference
*ref
)
285 ttm_mem_global_release(ref
->object
);
289 nouveau_ttm_global_init(struct nouveau_drm
*drm
)
291 struct drm_global_reference
*global_ref
;
294 global_ref
= &drm
->ttm
.mem_global_ref
;
295 global_ref
->global_type
= DRM_GLOBAL_TTM_MEM
;
296 global_ref
->size
= sizeof(struct ttm_mem_global
);
297 global_ref
->init
= &nouveau_ttm_mem_global_init
;
298 global_ref
->release
= &nouveau_ttm_mem_global_release
;
300 ret
= drm_global_item_ref(global_ref
);
301 if (unlikely(ret
!= 0)) {
302 DRM_ERROR("Failed setting up TTM memory accounting\n");
303 drm
->ttm
.mem_global_ref
.release
= NULL
;
307 drm
->ttm
.bo_global_ref
.mem_glob
= global_ref
->object
;
308 global_ref
= &drm
->ttm
.bo_global_ref
.ref
;
309 global_ref
->global_type
= DRM_GLOBAL_TTM_BO
;
310 global_ref
->size
= sizeof(struct ttm_bo_global
);
311 global_ref
->init
= &ttm_bo_global_init
;
312 global_ref
->release
= &ttm_bo_global_release
;
314 ret
= drm_global_item_ref(global_ref
);
315 if (unlikely(ret
!= 0)) {
316 DRM_ERROR("Failed setting up TTM BO subsystem\n");
317 drm_global_item_unref(&drm
->ttm
.mem_global_ref
);
318 drm
->ttm
.mem_global_ref
.release
= NULL
;
326 nouveau_ttm_global_release(struct nouveau_drm
*drm
)
328 if (drm
->ttm
.mem_global_ref
.release
== NULL
)
331 drm_global_item_unref(&drm
->ttm
.bo_global_ref
.ref
);
332 drm_global_item_unref(&drm
->ttm
.mem_global_ref
);
333 drm
->ttm
.mem_global_ref
.release
= NULL
;
337 nouveau_ttm_init(struct nouveau_drm
*drm
)
339 struct drm_device
*dev
= drm
->dev
;
343 bits
= nouveau_vmmgr(drm
->device
)->dma_bits
;
344 if ( drm
->agp
.stat
== ENABLED
||
345 !pci_dma_supported(dev
->pdev
, DMA_BIT_MASK(bits
)))
348 ret
= pci_set_dma_mask(dev
->pdev
, DMA_BIT_MASK(bits
));
352 ret
= pci_set_consistent_dma_mask(dev
->pdev
, DMA_BIT_MASK(bits
));
354 pci_set_consistent_dma_mask(dev
->pdev
, DMA_BIT_MASK(32));
356 ret
= nouveau_ttm_global_init(drm
);
360 ret
= ttm_bo_device_init(&drm
->ttm
.bdev
,
361 drm
->ttm
.bo_global_ref
.ref
.object
,
362 &nouveau_bo_driver
, DRM_FILE_PAGE_OFFSET
,
363 bits
<= 32 ? true : false);
365 NV_ERROR(drm
, "error initialising bo driver, %d\n", ret
);
370 drm
->gem
.vram_available
= nouveau_fb(drm
->device
)->ram
.size
;
371 drm
->gem
.vram_available
-= nouveau_instmem(drm
->device
)->reserved
;
373 ret
= ttm_bo_init_mm(&drm
->ttm
.bdev
, TTM_PL_VRAM
,
374 drm
->gem
.vram_available
>> PAGE_SHIFT
);
376 NV_ERROR(drm
, "VRAM mm init failed, %d\n", ret
);
380 drm
->ttm
.mtrr
= drm_mtrr_add(pci_resource_start(dev
->pdev
, 1),
381 pci_resource_len(dev
->pdev
, 1),
385 if (drm
->agp
.stat
!= ENABLED
) {
386 drm
->gem
.gart_available
= nouveau_vmmgr(drm
->device
)->limit
;
387 if (drm
->gem
.gart_available
> 512 * 1024 * 1024)
388 drm
->gem
.gart_available
= 512 * 1024 * 1024;
390 drm
->gem
.gart_available
= drm
->agp
.size
;
393 ret
= ttm_bo_init_mm(&drm
->ttm
.bdev
, TTM_PL_TT
,
394 drm
->gem
.gart_available
>> PAGE_SHIFT
);
396 NV_ERROR(drm
, "GART mm init failed, %d\n", ret
);
400 NV_INFO(drm
, "VRAM: %d MiB\n", (u32
)(drm
->gem
.vram_available
>> 20));
401 NV_INFO(drm
, "GART: %d MiB\n", (u32
)(drm
->gem
.gart_available
>> 20));
406 nouveau_ttm_fini(struct nouveau_drm
*drm
)
408 mutex_lock(&drm
->dev
->struct_mutex
);
409 ttm_bo_clean_mm(&drm
->ttm
.bdev
, TTM_PL_VRAM
);
410 ttm_bo_clean_mm(&drm
->ttm
.bdev
, TTM_PL_TT
);
411 mutex_unlock(&drm
->dev
->struct_mutex
);
413 ttm_bo_device_release(&drm
->ttm
.bdev
);
415 nouveau_ttm_global_release(drm
);
417 if (drm
->ttm
.mtrr
>= 0) {
418 drm_mtrr_del(drm
->ttm
.mtrr
,
419 pci_resource_start(drm
->dev
->pdev
, 1),
420 pci_resource_len(drm
->dev
->pdev
, 1), DRM_MTRR_WC
);