2 * Copyright 2007 Dave Airlied
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
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 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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.
25 * Authors: Dave Airlied <airlied@linux.ie>
26 * Ben Skeggs <darktama@iinet.net.au>
27 * Jeremy Kolb <jkolb@brandeis.edu>
30 #include <linux/dma-mapping.h>
32 #include "nouveau_drv.h"
33 #include "nouveau_chan.h"
34 #include "nouveau_fence.h"
36 #include "nouveau_bo.h"
37 #include "nouveau_ttm.h"
38 #include "nouveau_gem.h"
39 #include "nouveau_mem.h"
40 #include "nouveau_vmm.h"
42 #include <nvif/class.h>
43 #include <nvif/if500b.h>
44 #include <nvif/if900b.h>
46 static int nouveau_ttm_tt_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm,
47 struct ttm_resource *reg);
48 static void nouveau_ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
51 * NV10-NV40 tiling helpers
55 nv10_bo_update_tile_region(struct drm_device *dev, struct nouveau_drm_tile *reg,
56 u32 addr, u32 size, u32 pitch, u32 flags)
58 struct nouveau_drm *drm = nouveau_drm(dev);
59 int i = reg - drm->tile.reg;
60 struct nvkm_fb *fb = nvxx_fb(&drm->client.device);
61 struct nvkm_fb_tile *tile = &fb->tile.region[i];
63 nouveau_fence_unref(®->fence);
66 nvkm_fb_tile_fini(fb, i, tile);
69 nvkm_fb_tile_init(fb, i, addr, size, pitch, flags, tile);
71 nvkm_fb_tile_prog(fb, i, tile);
74 static struct nouveau_drm_tile *
75 nv10_bo_get_tile_region(struct drm_device *dev, int i)
77 struct nouveau_drm *drm = nouveau_drm(dev);
78 struct nouveau_drm_tile *tile = &drm->tile.reg[i];
80 spin_lock(&drm->tile.lock);
83 (!tile->fence || nouveau_fence_done(tile->fence)))
88 spin_unlock(&drm->tile.lock);
93 nv10_bo_put_tile_region(struct drm_device *dev, struct nouveau_drm_tile *tile,
94 struct dma_fence *fence)
96 struct nouveau_drm *drm = nouveau_drm(dev);
99 spin_lock(&drm->tile.lock);
100 tile->fence = (struct nouveau_fence *)dma_fence_get(fence);
102 spin_unlock(&drm->tile.lock);
106 static struct nouveau_drm_tile *
107 nv10_bo_set_tiling(struct drm_device *dev, u32 addr,
108 u32 size, u32 pitch, u32 zeta)
110 struct nouveau_drm *drm = nouveau_drm(dev);
111 struct nvkm_fb *fb = nvxx_fb(&drm->client.device);
112 struct nouveau_drm_tile *tile, *found = NULL;
115 for (i = 0; i < fb->tile.regions; i++) {
116 tile = nv10_bo_get_tile_region(dev, i);
118 if (pitch && !found) {
122 } else if (tile && fb->tile.region[i].pitch) {
123 /* Kill an unused tile region. */
124 nv10_bo_update_tile_region(dev, tile, 0, 0, 0, 0);
127 nv10_bo_put_tile_region(dev, tile, NULL);
131 nv10_bo_update_tile_region(dev, found, addr, size, pitch, zeta);
136 nouveau_bo_del_ttm(struct ttm_buffer_object *bo)
138 struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
139 struct drm_device *dev = drm->dev;
140 struct nouveau_bo *nvbo = nouveau_bo(bo);
142 WARN_ON(nvbo->bo.pin_count > 0);
143 nouveau_bo_del_io_reserve_lru(bo);
144 nv10_bo_put_tile_region(dev, nvbo->tile, NULL);
147 * If nouveau_bo_new() allocated this buffer, the GEM object was never
148 * initialized, so don't attempt to release it.
151 drm_gem_object_release(&bo->base);
157 roundup_64(u64 x, u32 y)
165 nouveau_bo_fixup_align(struct nouveau_bo *nvbo, int *align, u64 *size)
167 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
168 struct nvif_device *device = &drm->client.device;
170 if (device->info.family < NV_DEVICE_INFO_V0_TESLA) {
172 if (device->info.chipset >= 0x40) {
174 *size = roundup_64(*size, 64 * nvbo->mode);
176 } else if (device->info.chipset >= 0x30) {
178 *size = roundup_64(*size, 64 * nvbo->mode);
180 } else if (device->info.chipset >= 0x20) {
182 *size = roundup_64(*size, 64 * nvbo->mode);
184 } else if (device->info.chipset >= 0x10) {
186 *size = roundup_64(*size, 32 * nvbo->mode);
190 *size = roundup_64(*size, (1 << nvbo->page));
191 *align = max((1 << nvbo->page), *align);
194 *size = roundup_64(*size, PAGE_SIZE);
198 nouveau_bo_alloc(struct nouveau_cli *cli, u64 *size, int *align, u32 domain,
199 u32 tile_mode, u32 tile_flags)
201 struct nouveau_drm *drm = cli->drm;
202 struct nouveau_bo *nvbo;
203 struct nvif_mmu *mmu = &cli->mmu;
204 struct nvif_vmm *vmm = cli->svm.cli ? &cli->svm.vmm : &cli->vmm.vmm;
208 NV_WARN(drm, "skipped size %016llx\n", *size);
209 return ERR_PTR(-EINVAL);
212 nvbo = kzalloc(sizeof(struct nouveau_bo), GFP_KERNEL);
214 return ERR_PTR(-ENOMEM);
215 INIT_LIST_HEAD(&nvbo->head);
216 INIT_LIST_HEAD(&nvbo->entry);
217 INIT_LIST_HEAD(&nvbo->vma_list);
218 nvbo->bo.bdev = &drm->ttm.bdev;
220 /* This is confusing, and doesn't actually mean we want an uncached
221 * mapping, but is what NOUVEAU_GEM_DOMAIN_COHERENT gets translated
222 * into in nouveau_gem_new().
224 if (domain & NOUVEAU_GEM_DOMAIN_COHERENT) {
225 /* Determine if we can get a cache-coherent map, forcing
226 * uncached mapping if we can't.
228 if (!nouveau_drm_use_coherent_gpu_mapping(drm))
229 nvbo->force_coherent = true;
232 if (cli->device.info.family >= NV_DEVICE_INFO_V0_FERMI) {
233 nvbo->kind = (tile_flags & 0x0000ff00) >> 8;
234 if (!nvif_mmu_kind_valid(mmu, nvbo->kind)) {
236 return ERR_PTR(-EINVAL);
239 nvbo->comp = mmu->kind[nvbo->kind] != nvbo->kind;
241 if (cli->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
242 nvbo->kind = (tile_flags & 0x00007f00) >> 8;
243 nvbo->comp = (tile_flags & 0x00030000) >> 16;
244 if (!nvif_mmu_kind_valid(mmu, nvbo->kind)) {
246 return ERR_PTR(-EINVAL);
249 nvbo->zeta = (tile_flags & 0x00000007);
251 nvbo->mode = tile_mode;
252 nvbo->contig = !(tile_flags & NOUVEAU_GEM_TILE_NONCONTIG);
254 /* Determine the desirable target GPU page size for the buffer. */
255 for (i = 0; i < vmm->page_nr; i++) {
256 /* Because we cannot currently allow VMM maps to fail
257 * during buffer migration, we need to determine page
258 * size for the buffer up-front, and pre-allocate its
261 * Skip page sizes that can't support needed domains.
263 if (cli->device.info.family > NV_DEVICE_INFO_V0_CURIE &&
264 (domain & NOUVEAU_GEM_DOMAIN_VRAM) && !vmm->page[i].vram)
266 if ((domain & NOUVEAU_GEM_DOMAIN_GART) &&
267 (!vmm->page[i].host || vmm->page[i].shift > PAGE_SHIFT))
270 /* Select this page size if it's the first that supports
271 * the potential memory domains, or when it's compatible
272 * with the requested compression settings.
274 if (pi < 0 || !nvbo->comp || vmm->page[i].comp)
277 /* Stop once the buffer is larger than the current page size. */
278 if (*size >= 1ULL << vmm->page[i].shift)
283 return ERR_PTR(-EINVAL);
285 /* Disable compression if suitable settings couldn't be found. */
286 if (nvbo->comp && !vmm->page[pi].comp) {
287 if (mmu->object.oclass >= NVIF_CLASS_MMU_GF100)
288 nvbo->kind = mmu->kind[nvbo->kind];
291 nvbo->page = vmm->page[pi].shift;
293 nouveau_bo_fixup_align(nvbo, align, size);
299 nouveau_bo_init(struct nouveau_bo *nvbo, u64 size, int align, u32 domain,
300 struct sg_table *sg, struct dma_resv *robj)
302 int type = sg ? ttm_bo_type_sg : ttm_bo_type_device;
306 acc_size = ttm_bo_dma_acc_size(nvbo->bo.bdev, size, sizeof(*nvbo));
308 nvbo->bo.mem.num_pages = size >> PAGE_SHIFT;
309 nouveau_bo_placement_set(nvbo, domain, 0);
310 INIT_LIST_HEAD(&nvbo->io_reserve_lru);
312 ret = ttm_bo_init(nvbo->bo.bdev, &nvbo->bo, size, type,
313 &nvbo->placement, align >> PAGE_SHIFT, false,
314 acc_size, sg, robj, nouveau_bo_del_ttm);
316 /* ttm will call nouveau_bo_del_ttm if it fails.. */
324 nouveau_bo_new(struct nouveau_cli *cli, u64 size, int align,
325 uint32_t domain, uint32_t tile_mode, uint32_t tile_flags,
326 struct sg_table *sg, struct dma_resv *robj,
327 struct nouveau_bo **pnvbo)
329 struct nouveau_bo *nvbo;
332 nvbo = nouveau_bo_alloc(cli, &size, &align, domain, tile_mode,
335 return PTR_ERR(nvbo);
337 ret = nouveau_bo_init(nvbo, size, align, domain, sg, robj);
346 set_placement_list(struct ttm_place *pl, unsigned *n, uint32_t domain)
350 if (domain & NOUVEAU_GEM_DOMAIN_VRAM) {
351 pl[*n].mem_type = TTM_PL_VRAM;
355 if (domain & NOUVEAU_GEM_DOMAIN_GART) {
356 pl[*n].mem_type = TTM_PL_TT;
360 if (domain & NOUVEAU_GEM_DOMAIN_CPU) {
361 pl[*n].mem_type = TTM_PL_SYSTEM;
362 pl[(*n)++].flags = 0;
367 set_placement_range(struct nouveau_bo *nvbo, uint32_t domain)
369 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
370 u32 vram_pages = drm->client.device.info.ram_size >> PAGE_SHIFT;
371 unsigned i, fpfn, lpfn;
373 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
374 nvbo->mode && (domain & NOUVEAU_GEM_DOMAIN_VRAM) &&
375 nvbo->bo.mem.num_pages < vram_pages / 4) {
377 * Make sure that the color and depth buffers are handled
378 * by independent memory controller units. Up to a 9x
379 * speed up when alpha-blending and depth-test are enabled
383 fpfn = vram_pages / 2;
387 lpfn = vram_pages / 2;
389 for (i = 0; i < nvbo->placement.num_placement; ++i) {
390 nvbo->placements[i].fpfn = fpfn;
391 nvbo->placements[i].lpfn = lpfn;
393 for (i = 0; i < nvbo->placement.num_busy_placement; ++i) {
394 nvbo->busy_placements[i].fpfn = fpfn;
395 nvbo->busy_placements[i].lpfn = lpfn;
401 nouveau_bo_placement_set(struct nouveau_bo *nvbo, uint32_t domain,
404 struct ttm_placement *pl = &nvbo->placement;
406 pl->placement = nvbo->placements;
407 set_placement_list(nvbo->placements, &pl->num_placement, domain);
409 pl->busy_placement = nvbo->busy_placements;
410 set_placement_list(nvbo->busy_placements, &pl->num_busy_placement,
413 set_placement_range(nvbo, domain);
417 nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t domain, bool contig)
419 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
420 struct ttm_buffer_object *bo = &nvbo->bo;
421 bool force = false, evict = false;
424 ret = ttm_bo_reserve(bo, false, false, NULL);
428 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA &&
429 domain == NOUVEAU_GEM_DOMAIN_VRAM && contig) {
437 if (nvbo->bo.pin_count) {
440 switch (bo->mem.mem_type) {
442 error |= !(domain & NOUVEAU_GEM_DOMAIN_VRAM);
445 error |= !(domain & NOUVEAU_GEM_DOMAIN_GART);
451 NV_ERROR(drm, "bo %p pinned elsewhere: "
452 "0x%08x vs 0x%08x\n", bo,
453 bo->mem.mem_type, domain);
456 ttm_bo_pin(&nvbo->bo);
461 nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_GART, 0);
462 ret = nouveau_bo_validate(nvbo, false, false);
467 nouveau_bo_placement_set(nvbo, domain, 0);
468 ret = nouveau_bo_validate(nvbo, false, false);
472 ttm_bo_pin(&nvbo->bo);
474 switch (bo->mem.mem_type) {
476 drm->gem.vram_available -= bo->mem.size;
479 drm->gem.gart_available -= bo->mem.size;
487 nvbo->contig = false;
488 ttm_bo_unreserve(bo);
493 nouveau_bo_unpin(struct nouveau_bo *nvbo)
495 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
496 struct ttm_buffer_object *bo = &nvbo->bo;
499 ret = ttm_bo_reserve(bo, false, false, NULL);
503 ttm_bo_unpin(&nvbo->bo);
504 if (!nvbo->bo.pin_count) {
505 switch (bo->mem.mem_type) {
507 drm->gem.vram_available += bo->mem.size;
510 drm->gem.gart_available += bo->mem.size;
517 ttm_bo_unreserve(bo);
522 nouveau_bo_map(struct nouveau_bo *nvbo)
526 ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
530 ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages, &nvbo->kmap);
532 ttm_bo_unreserve(&nvbo->bo);
537 nouveau_bo_unmap(struct nouveau_bo *nvbo)
542 ttm_bo_kunmap(&nvbo->kmap);
546 nouveau_bo_sync_for_device(struct nouveau_bo *nvbo)
548 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
549 struct ttm_tt *ttm_dma = (struct ttm_tt *)nvbo->bo.ttm;
555 /* Don't waste time looping if the object is coherent */
556 if (nvbo->force_coherent)
559 for (i = 0; i < ttm_dma->num_pages; i++)
560 dma_sync_single_for_device(drm->dev->dev,
561 ttm_dma->dma_address[i],
562 PAGE_SIZE, DMA_TO_DEVICE);
566 nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo)
568 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
569 struct ttm_tt *ttm_dma = (struct ttm_tt *)nvbo->bo.ttm;
575 /* Don't waste time looping if the object is coherent */
576 if (nvbo->force_coherent)
579 for (i = 0; i < ttm_dma->num_pages; i++)
580 dma_sync_single_for_cpu(drm->dev->dev, ttm_dma->dma_address[i],
581 PAGE_SIZE, DMA_FROM_DEVICE);
584 void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo)
586 struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
587 struct nouveau_bo *nvbo = nouveau_bo(bo);
589 mutex_lock(&drm->ttm.io_reserve_mutex);
590 list_move_tail(&nvbo->io_reserve_lru, &drm->ttm.io_reserve_lru);
591 mutex_unlock(&drm->ttm.io_reserve_mutex);
594 void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo)
596 struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
597 struct nouveau_bo *nvbo = nouveau_bo(bo);
599 mutex_lock(&drm->ttm.io_reserve_mutex);
600 list_del_init(&nvbo->io_reserve_lru);
601 mutex_unlock(&drm->ttm.io_reserve_mutex);
605 nouveau_bo_validate(struct nouveau_bo *nvbo, bool interruptible,
608 struct ttm_operation_ctx ctx = { interruptible, no_wait_gpu };
611 ret = ttm_bo_validate(&nvbo->bo, &nvbo->placement, &ctx);
615 nouveau_bo_sync_for_device(nvbo);
621 nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val)
624 u16 *mem = ttm_kmap_obj_virtual(&nvbo->kmap, &is_iomem);
629 iowrite16_native(val, (void __force __iomem *)mem);
635 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index)
638 u32 *mem = ttm_kmap_obj_virtual(&nvbo->kmap, &is_iomem);
643 return ioread32_native((void __force __iomem *)mem);
649 nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val)
652 u32 *mem = ttm_kmap_obj_virtual(&nvbo->kmap, &is_iomem);
657 iowrite32_native(val, (void __force __iomem *)mem);
662 static struct ttm_tt *
663 nouveau_ttm_tt_create(struct ttm_buffer_object *bo, uint32_t page_flags)
665 #if IS_ENABLED(CONFIG_AGP)
666 struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
668 if (drm->agp.bridge) {
669 return ttm_agp_tt_create(bo, drm->agp.bridge, page_flags);
673 return nouveau_sgdma_create_ttm(bo, page_flags);
677 nouveau_ttm_tt_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm,
678 struct ttm_resource *reg)
680 #if IS_ENABLED(CONFIG_AGP)
681 struct nouveau_drm *drm = nouveau_bdev(bdev);
685 #if IS_ENABLED(CONFIG_AGP)
687 return ttm_agp_bind(ttm, reg);
689 return nouveau_sgdma_bind(bdev, ttm, reg);
693 nouveau_ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
695 #if IS_ENABLED(CONFIG_AGP)
696 struct nouveau_drm *drm = nouveau_bdev(bdev);
698 if (drm->agp.bridge) {
703 nouveau_sgdma_unbind(bdev, ttm);
707 nouveau_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl)
709 struct nouveau_bo *nvbo = nouveau_bo(bo);
711 switch (bo->mem.mem_type) {
713 nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_GART,
714 NOUVEAU_GEM_DOMAIN_CPU);
717 nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_CPU, 0);
721 *pl = nvbo->placement;
725 nouveau_bo_move_prep(struct nouveau_drm *drm, struct ttm_buffer_object *bo,
726 struct ttm_resource *reg)
728 struct nouveau_mem *old_mem = nouveau_mem(&bo->mem);
729 struct nouveau_mem *new_mem = nouveau_mem(reg);
730 struct nvif_vmm *vmm = &drm->client.vmm.vmm;
733 ret = nvif_vmm_get(vmm, LAZY, false, old_mem->mem.page, 0,
734 old_mem->mem.size, &old_mem->vma[0]);
738 ret = nvif_vmm_get(vmm, LAZY, false, new_mem->mem.page, 0,
739 new_mem->mem.size, &old_mem->vma[1]);
743 ret = nouveau_mem_map(old_mem, vmm, &old_mem->vma[0]);
747 ret = nouveau_mem_map(new_mem, vmm, &old_mem->vma[1]);
750 nvif_vmm_put(vmm, &old_mem->vma[1]);
751 nvif_vmm_put(vmm, &old_mem->vma[0]);
757 nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict,
758 struct ttm_operation_ctx *ctx,
759 struct ttm_resource *new_reg)
761 struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
762 struct nouveau_channel *chan = drm->ttm.chan;
763 struct nouveau_cli *cli = (void *)chan->user.client;
764 struct nouveau_fence *fence;
767 /* create temporary vmas for the transfer and attach them to the
768 * old nvkm_mem node, these will get cleaned up after ttm has
769 * destroyed the ttm_resource
771 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
772 ret = nouveau_bo_move_prep(drm, bo, new_reg);
777 mutex_lock_nested(&cli->mutex, SINGLE_DEPTH_NESTING);
778 ret = nouveau_fence_sync(nouveau_bo(bo), chan, true, ctx->interruptible);
780 ret = drm->ttm.move(chan, bo, &bo->mem, new_reg);
782 ret = nouveau_fence_new(chan, false, &fence);
784 ret = ttm_bo_move_accel_cleanup(bo,
788 nouveau_fence_unref(&fence);
792 mutex_unlock(&cli->mutex);
797 nouveau_bo_move_init(struct nouveau_drm *drm)
799 static const struct _method_table {
803 int (*exec)(struct nouveau_channel *,
804 struct ttm_buffer_object *,
805 struct ttm_resource *, struct ttm_resource *);
806 int (*init)(struct nouveau_channel *, u32 handle);
808 { "COPY", 4, 0xc5b5, nve0_bo_move_copy, nve0_bo_move_init },
809 { "GRCE", 0, 0xc5b5, nve0_bo_move_copy, nvc0_bo_move_init },
810 { "COPY", 4, 0xc3b5, nve0_bo_move_copy, nve0_bo_move_init },
811 { "GRCE", 0, 0xc3b5, nve0_bo_move_copy, nvc0_bo_move_init },
812 { "COPY", 4, 0xc1b5, nve0_bo_move_copy, nve0_bo_move_init },
813 { "GRCE", 0, 0xc1b5, nve0_bo_move_copy, nvc0_bo_move_init },
814 { "COPY", 4, 0xc0b5, nve0_bo_move_copy, nve0_bo_move_init },
815 { "GRCE", 0, 0xc0b5, nve0_bo_move_copy, nvc0_bo_move_init },
816 { "COPY", 4, 0xb0b5, nve0_bo_move_copy, nve0_bo_move_init },
817 { "GRCE", 0, 0xb0b5, nve0_bo_move_copy, nvc0_bo_move_init },
818 { "COPY", 4, 0xa0b5, nve0_bo_move_copy, nve0_bo_move_init },
819 { "GRCE", 0, 0xa0b5, nve0_bo_move_copy, nvc0_bo_move_init },
820 { "COPY1", 5, 0x90b8, nvc0_bo_move_copy, nvc0_bo_move_init },
821 { "COPY0", 4, 0x90b5, nvc0_bo_move_copy, nvc0_bo_move_init },
822 { "COPY", 0, 0x85b5, nva3_bo_move_copy, nv50_bo_move_init },
823 { "CRYPT", 0, 0x74c1, nv84_bo_move_exec, nv50_bo_move_init },
824 { "M2MF", 0, 0x9039, nvc0_bo_move_m2mf, nvc0_bo_move_init },
825 { "M2MF", 0, 0x5039, nv50_bo_move_m2mf, nv50_bo_move_init },
826 { "M2MF", 0, 0x0039, nv04_bo_move_m2mf, nv04_bo_move_init },
829 const struct _method_table *mthd = _methods;
830 const char *name = "CPU";
834 struct nouveau_channel *chan;
843 ret = nvif_object_ctor(&chan->user, "ttmBoMove",
844 mthd->oclass | (mthd->engine << 16),
845 mthd->oclass, NULL, 0,
848 ret = mthd->init(chan, drm->ttm.copy.handle);
850 nvif_object_dtor(&drm->ttm.copy);
854 drm->ttm.move = mthd->exec;
855 drm->ttm.chan = chan;
859 } while ((++mthd)->exec);
861 NV_INFO(drm, "MM: using %s for buffer copies\n", name);
865 nouveau_bo_move_ntfy(struct ttm_buffer_object *bo, bool evict,
866 struct ttm_resource *new_reg)
868 struct nouveau_mem *mem = new_reg ? nouveau_mem(new_reg) : NULL;
869 struct nouveau_bo *nvbo = nouveau_bo(bo);
870 struct nouveau_vma *vma;
872 /* ttm can now (stupidly) pass the driver bos it didn't create... */
873 if (bo->destroy != nouveau_bo_del_ttm)
876 nouveau_bo_del_io_reserve_lru(bo);
878 if (mem && new_reg->mem_type != TTM_PL_SYSTEM &&
879 mem->mem.page == nvbo->page) {
880 list_for_each_entry(vma, &nvbo->vma_list, head) {
881 nouveau_vma_map(vma, mem);
884 list_for_each_entry(vma, &nvbo->vma_list, head) {
885 WARN_ON(ttm_bo_wait(bo, false, false));
886 nouveau_vma_unmap(vma);
891 if (new_reg->mm_node)
892 nvbo->offset = (new_reg->start << PAGE_SHIFT);
900 nouveau_bo_vm_bind(struct ttm_buffer_object *bo, struct ttm_resource *new_reg,
901 struct nouveau_drm_tile **new_tile)
903 struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
904 struct drm_device *dev = drm->dev;
905 struct nouveau_bo *nvbo = nouveau_bo(bo);
906 u64 offset = new_reg->start << PAGE_SHIFT;
909 if (new_reg->mem_type != TTM_PL_VRAM)
912 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_CELSIUS) {
913 *new_tile = nv10_bo_set_tiling(dev, offset, new_reg->size,
914 nvbo->mode, nvbo->zeta);
921 nouveau_bo_vm_cleanup(struct ttm_buffer_object *bo,
922 struct nouveau_drm_tile *new_tile,
923 struct nouveau_drm_tile **old_tile)
925 struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
926 struct drm_device *dev = drm->dev;
927 struct dma_fence *fence = dma_resv_get_excl(bo->base.resv);
929 nv10_bo_put_tile_region(dev, *old_tile, fence);
930 *old_tile = new_tile;
934 nouveau_bo_move(struct ttm_buffer_object *bo, bool evict,
935 struct ttm_operation_ctx *ctx,
936 struct ttm_resource *new_reg,
937 struct ttm_place *hop)
939 struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
940 struct nouveau_bo *nvbo = nouveau_bo(bo);
941 struct ttm_resource *old_reg = &bo->mem;
942 struct nouveau_drm_tile *new_tile = NULL;
945 if ((old_reg->mem_type == TTM_PL_SYSTEM &&
946 new_reg->mem_type == TTM_PL_VRAM) ||
947 (old_reg->mem_type == TTM_PL_VRAM &&
948 new_reg->mem_type == TTM_PL_SYSTEM)) {
951 hop->mem_type = TTM_PL_TT;
956 if (new_reg->mem_type == TTM_PL_TT) {
957 ret = nouveau_ttm_tt_bind(bo->bdev, bo->ttm, new_reg);
962 nouveau_bo_move_ntfy(bo, evict, new_reg);
963 ret = ttm_bo_wait_ctx(bo, ctx);
967 if (nvbo->bo.pin_count)
968 NV_WARN(drm, "Moving pinned object %p!\n", nvbo);
970 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
971 ret = nouveau_bo_vm_bind(bo, new_reg, &new_tile);
977 if (old_reg->mem_type == TTM_PL_SYSTEM && !bo->ttm) {
978 ttm_bo_move_null(bo, new_reg);
982 if (old_reg->mem_type == TTM_PL_SYSTEM &&
983 new_reg->mem_type == TTM_PL_TT) {
984 ttm_bo_move_null(bo, new_reg);
988 if (old_reg->mem_type == TTM_PL_TT &&
989 new_reg->mem_type == TTM_PL_SYSTEM) {
990 nouveau_ttm_tt_unbind(bo->bdev, bo->ttm);
991 ttm_resource_free(bo, &bo->mem);
992 ttm_bo_assign_mem(bo, new_reg);
996 /* Hardware assisted copy. */
998 ret = nouveau_bo_move_m2mf(bo, evict, ctx,
1004 /* Fallback to software copy. */
1005 ret = ttm_bo_move_memcpy(bo, ctx, new_reg);
1008 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
1010 nouveau_bo_vm_cleanup(bo, NULL, &new_tile);
1012 nouveau_bo_vm_cleanup(bo, new_tile, &nvbo->tile);
1016 swap(*new_reg, bo->mem);
1017 nouveau_bo_move_ntfy(bo, false, new_reg);
1018 swap(*new_reg, bo->mem);
1024 nouveau_bo_verify_access(struct ttm_buffer_object *bo, struct file *filp)
1026 struct nouveau_bo *nvbo = nouveau_bo(bo);
1028 return drm_vma_node_verify_access(&nvbo->bo.base.vma_node,
1029 filp->private_data);
1033 nouveau_ttm_io_mem_free_locked(struct nouveau_drm *drm,
1034 struct ttm_resource *reg)
1036 struct nouveau_mem *mem = nouveau_mem(reg);
1038 if (drm->client.mem->oclass >= NVIF_CLASS_MEM_NV50) {
1039 switch (reg->mem_type) {
1042 nvif_object_unmap_handle(&mem->mem.object);
1045 nvif_object_unmap_handle(&mem->mem.object);
1054 nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *reg)
1056 struct nouveau_drm *drm = nouveau_bdev(bdev);
1057 struct nvkm_device *device = nvxx_device(&drm->client.device);
1058 struct nouveau_mem *mem = nouveau_mem(reg);
1059 struct nvif_mmu *mmu = &drm->client.mmu;
1062 mutex_lock(&drm->ttm.io_reserve_mutex);
1064 switch (reg->mem_type) {
1070 #if IS_ENABLED(CONFIG_AGP)
1071 if (drm->agp.bridge) {
1072 reg->bus.offset = (reg->start << PAGE_SHIFT) +
1074 reg->bus.is_iomem = !drm->agp.cma;
1075 reg->bus.caching = ttm_write_combined;
1078 if (drm->client.mem->oclass < NVIF_CLASS_MEM_NV50 ||
1084 fallthrough; /* tiled memory */
1086 reg->bus.offset = (reg->start << PAGE_SHIFT) +
1087 device->func->resource_addr(device, 1);
1088 reg->bus.is_iomem = true;
1090 /* Some BARs do not support being ioremapped WC */
1091 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA &&
1092 mmu->type[drm->ttm.type_vram].type & NVIF_MEM_UNCACHED)
1093 reg->bus.caching = ttm_uncached;
1095 reg->bus.caching = ttm_write_combined;
1097 if (drm->client.mem->oclass >= NVIF_CLASS_MEM_NV50) {
1099 struct nv50_mem_map_v0 nv50;
1100 struct gf100_mem_map_v0 gf100;
1105 switch (mem->mem.object.oclass) {
1106 case NVIF_CLASS_MEM_NV50:
1107 args.nv50.version = 0;
1109 args.nv50.kind = mem->kind;
1110 args.nv50.comp = mem->comp;
1111 argc = sizeof(args.nv50);
1113 case NVIF_CLASS_MEM_GF100:
1114 args.gf100.version = 0;
1116 args.gf100.kind = mem->kind;
1117 argc = sizeof(args.gf100);
1124 ret = nvif_object_map_handle(&mem->mem.object,
1128 if (WARN_ON(ret == 0))
1133 reg->bus.offset = handle;
1142 if (ret == -ENOSPC) {
1143 struct nouveau_bo *nvbo;
1145 nvbo = list_first_entry_or_null(&drm->ttm.io_reserve_lru,
1149 list_del_init(&nvbo->io_reserve_lru);
1150 drm_vma_node_unmap(&nvbo->bo.base.vma_node,
1152 nouveau_ttm_io_mem_free_locked(drm, &nvbo->bo.mem);
1157 mutex_unlock(&drm->ttm.io_reserve_mutex);
1162 nouveau_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_resource *reg)
1164 struct nouveau_drm *drm = nouveau_bdev(bdev);
1166 mutex_lock(&drm->ttm.io_reserve_mutex);
1167 nouveau_ttm_io_mem_free_locked(drm, reg);
1168 mutex_unlock(&drm->ttm.io_reserve_mutex);
1171 vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
1173 struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
1174 struct nouveau_bo *nvbo = nouveau_bo(bo);
1175 struct nvkm_device *device = nvxx_device(&drm->client.device);
1176 u32 mappable = device->func->resource_size(device, 1) >> PAGE_SHIFT;
1179 /* as long as the bo isn't in vram, and isn't tiled, we've got
1180 * nothing to do here.
1182 if (bo->mem.mem_type != TTM_PL_VRAM) {
1183 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA ||
1187 if (bo->mem.mem_type != TTM_PL_SYSTEM)
1190 nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_GART, 0);
1193 /* make sure bo is in mappable vram */
1194 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA ||
1195 bo->mem.start + bo->mem.num_pages < mappable)
1198 for (i = 0; i < nvbo->placement.num_placement; ++i) {
1199 nvbo->placements[i].fpfn = 0;
1200 nvbo->placements[i].lpfn = mappable;
1203 for (i = 0; i < nvbo->placement.num_busy_placement; ++i) {
1204 nvbo->busy_placements[i].fpfn = 0;
1205 nvbo->busy_placements[i].lpfn = mappable;
1208 nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, 0);
1211 ret = nouveau_bo_validate(nvbo, false, false);
1212 if (unlikely(ret == -EBUSY || ret == -ERESTARTSYS))
1213 return VM_FAULT_NOPAGE;
1214 else if (unlikely(ret))
1215 return VM_FAULT_SIGBUS;
1217 ttm_bo_move_to_lru_tail_unlocked(bo);
1222 nouveau_ttm_tt_populate(struct ttm_bo_device *bdev,
1223 struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
1225 struct ttm_tt *ttm_dma = (void *)ttm;
1226 struct nouveau_drm *drm;
1228 bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
1230 if (ttm_tt_is_populated(ttm))
1233 if (slave && ttm->sg) {
1234 /* make userspace faulting work */
1235 drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages,
1236 ttm_dma->dma_address, ttm->num_pages);
1240 drm = nouveau_bdev(bdev);
1241 dev = drm->dev->dev;
1243 return ttm_pool_alloc(&drm->ttm.bdev.pool, ttm, ctx);
1247 nouveau_ttm_tt_unpopulate(struct ttm_bo_device *bdev,
1250 struct nouveau_drm *drm;
1252 bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
1257 drm = nouveau_bdev(bdev);
1258 dev = drm->dev->dev;
1260 return ttm_pool_free(&drm->ttm.bdev.pool, ttm);
1264 nouveau_ttm_tt_destroy(struct ttm_bo_device *bdev,
1267 #if IS_ENABLED(CONFIG_AGP)
1268 struct nouveau_drm *drm = nouveau_bdev(bdev);
1269 if (drm->agp.bridge) {
1270 ttm_agp_unbind(ttm);
1271 ttm_tt_destroy_common(bdev, ttm);
1272 ttm_agp_destroy(ttm);
1276 nouveau_sgdma_destroy(bdev, ttm);
1280 nouveau_bo_fence(struct nouveau_bo *nvbo, struct nouveau_fence *fence, bool exclusive)
1282 struct dma_resv *resv = nvbo->bo.base.resv;
1285 dma_resv_add_excl_fence(resv, &fence->base);
1287 dma_resv_add_shared_fence(resv, &fence->base);
1291 nouveau_bo_delete_mem_notify(struct ttm_buffer_object *bo)
1293 nouveau_bo_move_ntfy(bo, false, NULL);
1296 struct ttm_bo_driver nouveau_bo_driver = {
1297 .ttm_tt_create = &nouveau_ttm_tt_create,
1298 .ttm_tt_populate = &nouveau_ttm_tt_populate,
1299 .ttm_tt_unpopulate = &nouveau_ttm_tt_unpopulate,
1300 .ttm_tt_destroy = &nouveau_ttm_tt_destroy,
1301 .eviction_valuable = ttm_bo_eviction_valuable,
1302 .evict_flags = nouveau_bo_evict_flags,
1303 .delete_mem_notify = nouveau_bo_delete_mem_notify,
1304 .move = nouveau_bo_move,
1305 .verify_access = nouveau_bo_verify_access,
1306 .io_mem_reserve = &nouveau_ttm_io_mem_reserve,
1307 .io_mem_free = &nouveau_ttm_io_mem_free,