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 "nouveau_drm.h"
28 #include "nouveau_ttm.h"
29 #include "nouveau_gem.h"
31 #include "drm_legacy.h"
33 nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
35 struct nouveau_drm *drm = nouveau_bdev(man->bdev);
36 struct nvkm_fb *pfb = nvxx_fb(&drm->device);
42 nouveau_vram_manager_fini(struct ttm_mem_type_manager *man)
49 nvkm_mem_node_cleanup(struct nvkm_mem *node)
51 if (node->vma[0].node) {
52 nvkm_vm_unmap(&node->vma[0]);
53 nvkm_vm_put(&node->vma[0]);
56 if (node->vma[1].node) {
57 nvkm_vm_unmap(&node->vma[1]);
58 nvkm_vm_put(&node->vma[1]);
63 nouveau_vram_manager_del(struct ttm_mem_type_manager *man,
64 struct ttm_mem_reg *mem)
66 struct nouveau_drm *drm = nouveau_bdev(man->bdev);
67 struct nvkm_fb *pfb = nvxx_fb(&drm->device);
68 nvkm_mem_node_cleanup(mem->mm_node);
69 pfb->ram->put(pfb, (struct nvkm_mem **)&mem->mm_node);
73 nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
74 struct ttm_buffer_object *bo,
75 const struct ttm_place *place,
76 struct ttm_mem_reg *mem)
78 struct nouveau_drm *drm = nouveau_bdev(man->bdev);
79 struct nvkm_fb *pfb = nvxx_fb(&drm->device);
80 struct nouveau_bo *nvbo = nouveau_bo(bo);
81 struct nvkm_mem *node;
85 if (drm->device.info.ram_size == 0)
88 if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG)
89 size_nc = 1 << nvbo->page_shift;
91 ret = pfb->ram->get(pfb, mem->num_pages << PAGE_SHIFT,
92 mem->page_alignment << PAGE_SHIFT, size_nc,
93 (nvbo->tile_flags >> 8) & 0x3ff, &node);
96 return (ret == -ENOSPC) ? 0 : ret;
99 node->page_shift = nvbo->page_shift;
102 mem->start = node->offset >> PAGE_SHIFT;
107 nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
109 struct nvkm_fb *pfb = man->priv;
110 struct nvkm_mm *mm = &pfb->vram;
111 struct nvkm_mm_node *r;
112 u32 total = 0, free = 0;
114 mutex_lock(&nv_subdev(pfb)->mutex);
115 list_for_each_entry(r, &mm->nodes, nl_entry) {
116 printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n",
117 prefix, r->type, ((u64)r->offset << 12),
118 (((u64)r->offset + r->length) << 12));
124 mutex_unlock(&nv_subdev(pfb)->mutex);
126 printk(KERN_DEBUG "%s total: 0x%010llx free: 0x%010llx\n",
127 prefix, (u64)total << 12, (u64)free << 12);
128 printk(KERN_DEBUG "%s block: 0x%08x\n",
129 prefix, mm->block_size << 12);
132 const struct ttm_mem_type_manager_func nouveau_vram_manager = {
133 nouveau_vram_manager_init,
134 nouveau_vram_manager_fini,
135 nouveau_vram_manager_new,
136 nouveau_vram_manager_del,
137 nouveau_vram_manager_debug
141 nouveau_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
147 nouveau_gart_manager_fini(struct ttm_mem_type_manager *man)
153 nouveau_gart_manager_del(struct ttm_mem_type_manager *man,
154 struct ttm_mem_reg *mem)
156 nvkm_mem_node_cleanup(mem->mm_node);
162 nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
163 struct ttm_buffer_object *bo,
164 const struct ttm_place *place,
165 struct ttm_mem_reg *mem)
167 struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
168 struct nouveau_bo *nvbo = nouveau_bo(bo);
169 struct nvkm_mem *node;
171 node = kzalloc(sizeof(*node), GFP_KERNEL);
175 node->page_shift = 12;
177 switch (drm->device.info.family) {
178 case NV_DEVICE_INFO_V0_TNT:
179 case NV_DEVICE_INFO_V0_CELSIUS:
180 case NV_DEVICE_INFO_V0_KELVIN:
181 case NV_DEVICE_INFO_V0_RANKINE:
182 case NV_DEVICE_INFO_V0_CURIE:
184 case NV_DEVICE_INFO_V0_TESLA:
185 if (drm->device.info.chipset != 0x50)
186 node->memtype = (nvbo->tile_flags & 0x7f00) >> 8;
188 case NV_DEVICE_INFO_V0_FERMI:
189 case NV_DEVICE_INFO_V0_KEPLER:
190 case NV_DEVICE_INFO_V0_MAXWELL:
191 node->memtype = (nvbo->tile_flags & 0xff00) >> 8;
194 NV_WARN(drm, "%s: unhandled family type %x\n", __func__,
195 drm->device.info.family);
205 nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
209 const struct ttm_mem_type_manager_func nouveau_gart_manager = {
210 nouveau_gart_manager_init,
211 nouveau_gart_manager_fini,
212 nouveau_gart_manager_new,
213 nouveau_gart_manager_del,
214 nouveau_gart_manager_debug
218 #include <subdev/mmu/nv04.h>
220 nv04_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
222 struct nouveau_drm *drm = nouveau_bdev(man->bdev);
223 struct nvkm_mmu *mmu = nvxx_mmu(&drm->device);
224 struct nv04_mmu_priv *priv = (void *)mmu;
225 struct nvkm_vm *vm = NULL;
226 nvkm_vm_ref(priv->vm, &vm, NULL);
232 nv04_gart_manager_fini(struct ttm_mem_type_manager *man)
234 struct nvkm_vm *vm = man->priv;
235 nvkm_vm_ref(NULL, &vm, NULL);
241 nv04_gart_manager_del(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem)
243 struct nvkm_mem *node = mem->mm_node;
244 if (node->vma[0].node)
245 nvkm_vm_put(&node->vma[0]);
251 nv04_gart_manager_new(struct ttm_mem_type_manager *man,
252 struct ttm_buffer_object *bo,
253 const struct ttm_place *place,
254 struct ttm_mem_reg *mem)
256 struct nvkm_mem *node;
259 node = kzalloc(sizeof(*node), GFP_KERNEL);
263 node->page_shift = 12;
265 ret = nvkm_vm_get(man->priv, mem->num_pages << 12, node->page_shift,
266 NV_MEM_ACCESS_RW, &node->vma[0]);
273 mem->start = node->vma[0].offset >> PAGE_SHIFT;
278 nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
282 const struct ttm_mem_type_manager_func nv04_gart_manager = {
283 nv04_gart_manager_init,
284 nv04_gart_manager_fini,
285 nv04_gart_manager_new,
286 nv04_gart_manager_del,
287 nv04_gart_manager_debug
291 nouveau_ttm_mmap(struct file *filp, struct vm_area_struct *vma)
293 struct drm_file *file_priv = filp->private_data;
294 struct nouveau_drm *drm = nouveau_drm(file_priv->minor->dev);
296 if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
297 return drm_legacy_mmap(filp, vma);
299 return ttm_bo_mmap(filp, vma, &drm->ttm.bdev);
303 nouveau_ttm_mem_global_init(struct drm_global_reference *ref)
305 return ttm_mem_global_init(ref->object);
309 nouveau_ttm_mem_global_release(struct drm_global_reference *ref)
311 ttm_mem_global_release(ref->object);
315 nouveau_ttm_global_init(struct nouveau_drm *drm)
317 struct drm_global_reference *global_ref;
320 global_ref = &drm->ttm.mem_global_ref;
321 global_ref->global_type = DRM_GLOBAL_TTM_MEM;
322 global_ref->size = sizeof(struct ttm_mem_global);
323 global_ref->init = &nouveau_ttm_mem_global_init;
324 global_ref->release = &nouveau_ttm_mem_global_release;
326 ret = drm_global_item_ref(global_ref);
327 if (unlikely(ret != 0)) {
328 DRM_ERROR("Failed setting up TTM memory accounting\n");
329 drm->ttm.mem_global_ref.release = NULL;
333 drm->ttm.bo_global_ref.mem_glob = global_ref->object;
334 global_ref = &drm->ttm.bo_global_ref.ref;
335 global_ref->global_type = DRM_GLOBAL_TTM_BO;
336 global_ref->size = sizeof(struct ttm_bo_global);
337 global_ref->init = &ttm_bo_global_init;
338 global_ref->release = &ttm_bo_global_release;
340 ret = drm_global_item_ref(global_ref);
341 if (unlikely(ret != 0)) {
342 DRM_ERROR("Failed setting up TTM BO subsystem\n");
343 drm_global_item_unref(&drm->ttm.mem_global_ref);
344 drm->ttm.mem_global_ref.release = NULL;
352 nouveau_ttm_global_release(struct nouveau_drm *drm)
354 if (drm->ttm.mem_global_ref.release == NULL)
357 drm_global_item_unref(&drm->ttm.bo_global_ref.ref);
358 drm_global_item_unref(&drm->ttm.mem_global_ref);
359 drm->ttm.mem_global_ref.release = NULL;
363 nouveau_ttm_init(struct nouveau_drm *drm)
365 struct drm_device *dev = drm->dev;
369 bits = nvxx_mmu(&drm->device)->dma_bits;
370 if (nv_device_is_pci(nvxx_device(&drm->device))) {
371 if (drm->agp.stat == ENABLED ||
372 !pci_dma_supported(dev->pdev, DMA_BIT_MASK(bits)))
375 ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(bits));
379 ret = pci_set_consistent_dma_mask(dev->pdev,
382 pci_set_consistent_dma_mask(dev->pdev,
386 ret = nouveau_ttm_global_init(drm);
390 ret = ttm_bo_device_init(&drm->ttm.bdev,
391 drm->ttm.bo_global_ref.ref.object,
393 dev->anon_inode->i_mapping,
394 DRM_FILE_PAGE_OFFSET,
395 bits <= 32 ? true : false);
397 NV_ERROR(drm, "error initialising bo driver, %d\n", ret);
402 drm->gem.vram_available = drm->device.info.ram_user;
404 ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_VRAM,
405 drm->gem.vram_available >> PAGE_SHIFT);
407 NV_ERROR(drm, "VRAM mm init failed, %d\n", ret);
411 drm->ttm.mtrr = arch_phys_wc_add(nv_device_resource_start(nvxx_device(&drm->device), 1),
412 nv_device_resource_len(nvxx_device(&drm->device), 1));
415 if (drm->agp.stat != ENABLED) {
416 drm->gem.gart_available = nvxx_mmu(&drm->device)->limit;
418 drm->gem.gart_available = drm->agp.size;
421 ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_TT,
422 drm->gem.gart_available >> PAGE_SHIFT);
424 NV_ERROR(drm, "GART mm init failed, %d\n", ret);
428 NV_INFO(drm, "VRAM: %d MiB\n", (u32)(drm->gem.vram_available >> 20));
429 NV_INFO(drm, "GART: %d MiB\n", (u32)(drm->gem.gart_available >> 20));
434 nouveau_ttm_fini(struct nouveau_drm *drm)
436 mutex_lock(&drm->dev->struct_mutex);
437 ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_VRAM);
438 ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_TT);
439 mutex_unlock(&drm->dev->struct_mutex);
441 ttm_bo_device_release(&drm->ttm.bdev);
443 nouveau_ttm_global_release(drm);
445 arch_phys_wc_del(drm->ttm.mtrr);