diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_pagemap.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_plane.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dmem.c | 311 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_svm.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_svm.h | 3 |
6 files changed, 245 insertions, 96 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c index 46c84fc60af1..af53e796ea1b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c @@ -217,7 +217,7 @@ svm_migrate_get_vram_page(struct svm_range *prange, unsigned long pfn) page = pfn_to_page(pfn); svm_range_bo_ref(prange->svm_bo); page->zone_device_data = prange->svm_bo; - zone_device_page_init(page); + zone_device_page_init(page, 0); } static void @@ -567,8 +567,9 @@ out: return r < 0 ? r : 0; } -static void svm_migrate_page_free(struct page *page) +static void svm_migrate_folio_free(struct folio *folio) { + struct page *page = &folio->page; struct svm_range_bo *svm_bo = page->zone_device_data; if (svm_bo) { @@ -1008,7 +1009,7 @@ out_mmput: } static const struct dev_pagemap_ops svm_migrate_pgmap_ops = { - .page_free = svm_migrate_page_free, + .folio_free = svm_migrate_folio_free, .migrate_to_ram = svm_migrate_to_ram, }; diff --git a/drivers/gpu/drm/drm_pagemap.c b/drivers/gpu/drm/drm_pagemap.c index 22c44807e3fe..37d7cfbbb3e8 100644 --- a/drivers/gpu/drm/drm_pagemap.c +++ b/drivers/gpu/drm/drm_pagemap.c @@ -196,7 +196,7 @@ static void drm_pagemap_get_devmem_page(struct page *page, struct drm_pagemap_zdd *zdd) { page->zone_device_data = drm_pagemap_zdd_get(zdd); - zone_device_page_init(page); + zone_device_page_init(page, 0); } /** @@ -752,15 +752,15 @@ err_out: } /** - * drm_pagemap_page_free() - Put GPU SVM zone device data associated with a page - * @page: Pointer to the page + * drm_pagemap_folio_free() - Put GPU SVM zone device data associated with a folio + * @folio: Pointer to the folio * * This function is a callback used to put the GPU SVM zone device data * associated with a page when it is being released. */ -static void drm_pagemap_page_free(struct page *page) +static void drm_pagemap_folio_free(struct folio *folio) { - drm_pagemap_zdd_put(page->zone_device_data); + drm_pagemap_zdd_put(folio->page.zone_device_data); } /** @@ -788,7 +788,7 @@ static vm_fault_t drm_pagemap_migrate_to_ram(struct vm_fault *vmf) } static const struct dev_pagemap_ops drm_pagemap_pagemap_ops = { - .page_free = drm_pagemap_page_free, + .folio_free = drm_pagemap_folio_free, .migrate_to_ram = drm_pagemap_migrate_to_ram, }; diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c index d2c211f66c9e..ce76c55913f7 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -425,7 +425,7 @@ static int __drm_universal_plane_init(struct drm_device *dev, plane->modifier_count = format_modifier_count; plane->modifiers = kmalloc_array(format_modifier_count, - sizeof(format_modifiers[0]), + sizeof(*plane->modifiers), GFP_KERNEL); if (format_modifier_count && !plane->modifiers) { diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c index ca4932a150e3..58071652679d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dmem.c +++ b/drivers/gpu/drm/nouveau/nouveau_dmem.c @@ -50,6 +50,7 @@ */ #define DMEM_CHUNK_SIZE (2UL << 20) #define DMEM_CHUNK_NPAGES (DMEM_CHUNK_SIZE >> PAGE_SHIFT) +#define NR_CHUNKS (128) enum nouveau_aper { NOUVEAU_APER_VIRT, @@ -83,9 +84,15 @@ struct nouveau_dmem { struct list_head chunks; struct mutex mutex; struct page *free_pages; + struct folio *free_folios; spinlock_t lock; }; +struct nouveau_dmem_dma_info { + dma_addr_t dma_addr; + size_t size; +}; + static struct nouveau_dmem_chunk *nouveau_page_to_chunk(struct page *page) { return container_of(page_pgmap(page), struct nouveau_dmem_chunk, @@ -108,14 +115,20 @@ unsigned long nouveau_dmem_page_addr(struct page *page) return chunk->bo->offset + off; } -static void nouveau_dmem_page_free(struct page *page) +static void nouveau_dmem_folio_free(struct folio *folio) { + struct page *page = &folio->page; struct nouveau_dmem_chunk *chunk = nouveau_page_to_chunk(page); struct nouveau_dmem *dmem = chunk->drm->dmem; spin_lock(&dmem->lock); - page->zone_device_data = dmem->free_pages; - dmem->free_pages = page; + if (folio_order(folio)) { + page->zone_device_data = dmem->free_folios; + dmem->free_folios = folio; + } else { + page->zone_device_data = dmem->free_pages; + dmem->free_pages = page; + } WARN_ON(!chunk->callocated); chunk->callocated--; @@ -139,20 +152,28 @@ static void nouveau_dmem_fence_done(struct nouveau_fence **fence) } } -static int nouveau_dmem_copy_one(struct nouveau_drm *drm, struct page *spage, - struct page *dpage, dma_addr_t *dma_addr) +static int nouveau_dmem_copy_folio(struct nouveau_drm *drm, + struct folio *sfolio, struct folio *dfolio, + struct nouveau_dmem_dma_info *dma_info) { struct device *dev = drm->dev->dev; + struct page *dpage = folio_page(dfolio, 0); + struct page *spage = folio_page(sfolio, 0); - lock_page(dpage); + folio_lock(dfolio); - *dma_addr = dma_map_page(dev, dpage, 0, PAGE_SIZE, DMA_BIDIRECTIONAL); - if (dma_mapping_error(dev, *dma_addr)) + dma_info->dma_addr = dma_map_page(dev, dpage, 0, page_size(dpage), + DMA_BIDIRECTIONAL); + dma_info->size = page_size(dpage); + if (dma_mapping_error(dev, dma_info->dma_addr)) return -EIO; - if (drm->dmem->migrate.copy_func(drm, 1, NOUVEAU_APER_HOST, *dma_addr, - NOUVEAU_APER_VRAM, nouveau_dmem_page_addr(spage))) { - dma_unmap_page(dev, *dma_addr, PAGE_SIZE, DMA_BIDIRECTIONAL); + if (drm->dmem->migrate.copy_func(drm, folio_nr_pages(sfolio), + NOUVEAU_APER_HOST, dma_info->dma_addr, + NOUVEAU_APER_VRAM, + nouveau_dmem_page_addr(spage))) { + dma_unmap_page(dev, dma_info->dma_addr, page_size(dpage), + DMA_BIDIRECTIONAL); return -EIO; } @@ -165,21 +186,48 @@ static vm_fault_t nouveau_dmem_migrate_to_ram(struct vm_fault *vmf) struct nouveau_dmem *dmem = drm->dmem; struct nouveau_fence *fence; struct nouveau_svmm *svmm; - struct page *spage, *dpage; - unsigned long src = 0, dst = 0; - dma_addr_t dma_addr = 0; + struct page *dpage; vm_fault_t ret = 0; + int err; struct migrate_vma args = { .vma = vmf->vma, - .start = vmf->address, - .end = vmf->address + PAGE_SIZE, - .src = &src, - .dst = &dst, .pgmap_owner = drm->dev, .fault_page = vmf->page, - .flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE, + .flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE | + MIGRATE_VMA_SELECT_COMPOUND, + .src = NULL, + .dst = NULL, }; + unsigned int order, nr; + struct folio *sfolio, *dfolio; + struct nouveau_dmem_dma_info dma_info; + + sfolio = page_folio(vmf->page); + order = folio_order(sfolio); + nr = 1 << order; + + /* + * Handle partial unmap faults, where the folio is large, but + * the pmd is split. + */ + if (vmf->pte) { + order = 0; + nr = 1; + } + + if (order) + args.flags |= MIGRATE_VMA_SELECT_COMPOUND; + args.start = ALIGN_DOWN(vmf->address, (PAGE_SIZE << order)); + args.vma = vmf->vma; + args.end = args.start + (PAGE_SIZE << order); + args.src = kcalloc(nr, sizeof(*args.src), GFP_KERNEL); + args.dst = kcalloc(nr, sizeof(*args.dst), GFP_KERNEL); + + if (!args.src || !args.dst) { + ret = VM_FAULT_OOM; + goto err; + } /* * FIXME what we really want is to find some heuristic to migrate more * than just one page on CPU fault. When such fault happens it is very @@ -190,22 +238,28 @@ static vm_fault_t nouveau_dmem_migrate_to_ram(struct vm_fault *vmf) if (!args.cpages) return 0; - spage = migrate_pfn_to_page(src); - if (!spage || !(src & MIGRATE_PFN_MIGRATE)) - goto done; - - dpage = alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vmf->vma, vmf->address); - if (!dpage) + if (order) + dpage = folio_page(vma_alloc_folio(GFP_HIGHUSER | __GFP_ZERO, + order, vmf->vma, vmf->address), 0); + else + dpage = alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vmf->vma, + vmf->address); + if (!dpage) { + ret = VM_FAULT_OOM; goto done; + } - dst = migrate_pfn(page_to_pfn(dpage)); + args.dst[0] = migrate_pfn(page_to_pfn(dpage)); + if (order) + args.dst[0] |= MIGRATE_PFN_COMPOUND; + dfolio = page_folio(dpage); - svmm = spage->zone_device_data; + svmm = folio_zone_device_data(sfolio); mutex_lock(&svmm->mutex); nouveau_svmm_invalidate(svmm, args.start, args.end); - ret = nouveau_dmem_copy_one(drm, spage, dpage, &dma_addr); + err = nouveau_dmem_copy_folio(drm, sfolio, dfolio, &dma_info); mutex_unlock(&svmm->mutex); - if (ret) { + if (err) { ret = VM_FAULT_SIGBUS; goto done; } @@ -213,25 +267,40 @@ static vm_fault_t nouveau_dmem_migrate_to_ram(struct vm_fault *vmf) nouveau_fence_new(&fence, dmem->migrate.chan); migrate_vma_pages(&args); nouveau_dmem_fence_done(&fence); - dma_unmap_page(drm->dev->dev, dma_addr, PAGE_SIZE, DMA_BIDIRECTIONAL); + dma_unmap_page(drm->dev->dev, dma_info.dma_addr, PAGE_SIZE, + DMA_BIDIRECTIONAL); done: migrate_vma_finalize(&args); +err: + kfree(args.src); + kfree(args.dst); return ret; } +static void nouveau_dmem_folio_split(struct folio *head, struct folio *tail) +{ + if (tail == NULL) + return; + tail->pgmap = head->pgmap; + tail->mapping = head->mapping; + folio_set_zone_device_data(tail, folio_zone_device_data(head)); +} + static const struct dev_pagemap_ops nouveau_dmem_pagemap_ops = { - .page_free = nouveau_dmem_page_free, + .folio_free = nouveau_dmem_folio_free, .migrate_to_ram = nouveau_dmem_migrate_to_ram, + .folio_split = nouveau_dmem_folio_split, }; static int -nouveau_dmem_chunk_alloc(struct nouveau_drm *drm, struct page **ppage) +nouveau_dmem_chunk_alloc(struct nouveau_drm *drm, struct page **ppage, + bool is_large) { struct nouveau_dmem_chunk *chunk; struct resource *res; struct page *page; void *ptr; - unsigned long i, pfn_first; + unsigned long i, pfn_first, pfn; int ret; chunk = kzalloc(sizeof(*chunk), GFP_KERNEL); @@ -241,7 +310,7 @@ nouveau_dmem_chunk_alloc(struct nouveau_drm *drm, struct page **ppage) } /* Allocate unused physical address space for device private pages. */ - res = request_free_mem_region(&iomem_resource, DMEM_CHUNK_SIZE, + res = request_free_mem_region(&iomem_resource, DMEM_CHUNK_SIZE * NR_CHUNKS, "nouveau_dmem"); if (IS_ERR(res)) { ret = PTR_ERR(res); @@ -274,16 +343,40 @@ nouveau_dmem_chunk_alloc(struct nouveau_drm *drm, struct page **ppage) pfn_first = chunk->pagemap.range.start >> PAGE_SHIFT; page = pfn_to_page(pfn_first); spin_lock(&drm->dmem->lock); - for (i = 0; i < DMEM_CHUNK_NPAGES - 1; ++i, ++page) { - page->zone_device_data = drm->dmem->free_pages; - drm->dmem->free_pages = page; + + pfn = pfn_first; + for (i = 0; i < NR_CHUNKS; i++) { + int j; + + if (!IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) || !is_large) { + for (j = 0; j < DMEM_CHUNK_NPAGES - 1; j++, pfn++) { + page = pfn_to_page(pfn); + page->zone_device_data = drm->dmem->free_pages; + drm->dmem->free_pages = page; + } + } else { + page = pfn_to_page(pfn); + page->zone_device_data = drm->dmem->free_folios; + drm->dmem->free_folios = page_folio(page); + pfn += DMEM_CHUNK_NPAGES; + } + } + + /* Move to next page */ + if (is_large) { + *ppage = &drm->dmem->free_folios->page; + drm->dmem->free_folios = (*ppage)->zone_device_data; + } else { + *ppage = drm->dmem->free_pages; + drm->dmem->free_pages = (*ppage)->zone_device_data; } - *ppage = page; + chunk->callocated++; spin_unlock(&drm->dmem->lock); - NV_INFO(drm, "DMEM: registered %ldMB of device memory\n", - DMEM_CHUNK_SIZE >> 20); + NV_INFO(drm, "DMEM: registered %ldMB of %sdevice memory %lx %lx\n", + NR_CHUNKS * DMEM_CHUNK_SIZE >> 20, is_large ? "THP " : "", pfn_first, + nouveau_dmem_page_addr(page)); return 0; @@ -298,27 +391,41 @@ out: } static struct page * -nouveau_dmem_page_alloc_locked(struct nouveau_drm *drm) +nouveau_dmem_page_alloc_locked(struct nouveau_drm *drm, bool is_large) { struct nouveau_dmem_chunk *chunk; struct page *page = NULL; + struct folio *folio = NULL; int ret; + unsigned int order = 0; spin_lock(&drm->dmem->lock); - if (drm->dmem->free_pages) { + if (is_large && drm->dmem->free_folios) { + folio = drm->dmem->free_folios; + page = &folio->page; + drm->dmem->free_folios = page->zone_device_data; + chunk = nouveau_page_to_chunk(&folio->page); + chunk->callocated++; + spin_unlock(&drm->dmem->lock); + order = ilog2(DMEM_CHUNK_NPAGES); + } else if (!is_large && drm->dmem->free_pages) { page = drm->dmem->free_pages; drm->dmem->free_pages = page->zone_device_data; chunk = nouveau_page_to_chunk(page); chunk->callocated++; spin_unlock(&drm->dmem->lock); + folio = page_folio(page); } else { spin_unlock(&drm->dmem->lock); - ret = nouveau_dmem_chunk_alloc(drm, &page); + ret = nouveau_dmem_chunk_alloc(drm, &page, is_large); if (ret) return NULL; + folio = page_folio(page); + if (is_large) + order = ilog2(DMEM_CHUNK_NPAGES); } - zone_device_page_init(page); + zone_device_folio_init(folio, order); return page; } @@ -369,12 +476,12 @@ nouveau_dmem_evict_chunk(struct nouveau_dmem_chunk *chunk) { unsigned long i, npages = range_len(&chunk->pagemap.range) >> PAGE_SHIFT; unsigned long *src_pfns, *dst_pfns; - dma_addr_t *dma_addrs; + struct nouveau_dmem_dma_info *dma_info; struct nouveau_fence *fence; src_pfns = kvcalloc(npages, sizeof(*src_pfns), GFP_KERNEL | __GFP_NOFAIL); dst_pfns = kvcalloc(npages, sizeof(*dst_pfns), GFP_KERNEL | __GFP_NOFAIL); - dma_addrs = kvcalloc(npages, sizeof(*dma_addrs), GFP_KERNEL | __GFP_NOFAIL); + dma_info = kvcalloc(npages, sizeof(*dma_info), GFP_KERNEL | __GFP_NOFAIL); migrate_device_range(src_pfns, chunk->pagemap.range.start >> PAGE_SHIFT, npages); @@ -382,17 +489,28 @@ nouveau_dmem_evict_chunk(struct nouveau_dmem_chunk *chunk) for (i = 0; i < npages; i++) { if (src_pfns[i] & MIGRATE_PFN_MIGRATE) { struct page *dpage; + struct folio *folio = page_folio( + migrate_pfn_to_page(src_pfns[i])); + unsigned int order = folio_order(folio); + + if (src_pfns[i] & MIGRATE_PFN_COMPOUND) { + dpage = folio_page( + folio_alloc( + GFP_HIGHUSER_MOVABLE, order), 0); + } else { + /* + * _GFP_NOFAIL because the GPU is going away and there + * is nothing sensible we can do if we can't copy the + * data back. + */ + dpage = alloc_page(GFP_HIGHUSER | __GFP_NOFAIL); + } - /* - * _GFP_NOFAIL because the GPU is going away and there - * is nothing sensible we can do if we can't copy the - * data back. - */ - dpage = alloc_page(GFP_HIGHUSER | __GFP_NOFAIL); dst_pfns[i] = migrate_pfn(page_to_pfn(dpage)); - nouveau_dmem_copy_one(chunk->drm, - migrate_pfn_to_page(src_pfns[i]), dpage, - &dma_addrs[i]); + nouveau_dmem_copy_folio(chunk->drm, + page_folio(migrate_pfn_to_page(src_pfns[i])), + page_folio(dpage), + &dma_info[i]); } } @@ -403,8 +521,9 @@ nouveau_dmem_evict_chunk(struct nouveau_dmem_chunk *chunk) kvfree(src_pfns); kvfree(dst_pfns); for (i = 0; i < npages; i++) - dma_unmap_page(chunk->drm->dev->dev, dma_addrs[i], PAGE_SIZE, DMA_BIDIRECTIONAL); - kvfree(dma_addrs); + dma_unmap_page(chunk->drm->dev->dev, dma_info[i].dma_addr, + dma_info[i].size, DMA_BIDIRECTIONAL); + kvfree(dma_info); } void @@ -607,31 +726,36 @@ nouveau_dmem_init(struct nouveau_drm *drm) static unsigned long nouveau_dmem_migrate_copy_one(struct nouveau_drm *drm, struct nouveau_svmm *svmm, unsigned long src, - dma_addr_t *dma_addr, u64 *pfn) + struct nouveau_dmem_dma_info *dma_info, u64 *pfn) { struct device *dev = drm->dev->dev; struct page *dpage, *spage; unsigned long paddr; + bool is_large = false; + unsigned long mpfn; spage = migrate_pfn_to_page(src); if (!(src & MIGRATE_PFN_MIGRATE)) goto out; - dpage = nouveau_dmem_page_alloc_locked(drm); + is_large = src & MIGRATE_PFN_COMPOUND; + dpage = nouveau_dmem_page_alloc_locked(drm, is_large); if (!dpage) goto out; paddr = nouveau_dmem_page_addr(dpage); if (spage) { - *dma_addr = dma_map_page(dev, spage, 0, page_size(spage), + dma_info->dma_addr = dma_map_page(dev, spage, 0, page_size(spage), DMA_BIDIRECTIONAL); - if (dma_mapping_error(dev, *dma_addr)) + dma_info->size = page_size(spage); + if (dma_mapping_error(dev, dma_info->dma_addr)) goto out_free_page; - if (drm->dmem->migrate.copy_func(drm, 1, - NOUVEAU_APER_VRAM, paddr, NOUVEAU_APER_HOST, *dma_addr)) + if (drm->dmem->migrate.copy_func(drm, folio_nr_pages(page_folio(spage)), + NOUVEAU_APER_VRAM, paddr, NOUVEAU_APER_HOST, + dma_info->dma_addr)) goto out_dma_unmap; } else { - *dma_addr = DMA_MAPPING_ERROR; + dma_info->dma_addr = DMA_MAPPING_ERROR; if (drm->dmem->migrate.clear_func(drm, page_size(dpage), NOUVEAU_APER_VRAM, paddr)) goto out_free_page; @@ -642,10 +766,13 @@ static unsigned long nouveau_dmem_migrate_copy_one(struct nouveau_drm *drm, ((paddr >> PAGE_SHIFT) << NVIF_VMM_PFNMAP_V0_ADDR_SHIFT); if (src & MIGRATE_PFN_WRITE) *pfn |= NVIF_VMM_PFNMAP_V0_W; - return migrate_pfn(page_to_pfn(dpage)); + mpfn = migrate_pfn(page_to_pfn(dpage)); + if (folio_order(page_folio(dpage))) + mpfn |= MIGRATE_PFN_COMPOUND; + return mpfn; out_dma_unmap: - dma_unmap_page(dev, *dma_addr, PAGE_SIZE, DMA_BIDIRECTIONAL); + dma_unmap_page(dev, dma_info->dma_addr, PAGE_SIZE, DMA_BIDIRECTIONAL); out_free_page: nouveau_dmem_page_free_locked(drm, dpage); out: @@ -655,27 +782,38 @@ out: static void nouveau_dmem_migrate_chunk(struct nouveau_drm *drm, struct nouveau_svmm *svmm, struct migrate_vma *args, - dma_addr_t *dma_addrs, u64 *pfns) + struct nouveau_dmem_dma_info *dma_info, u64 *pfns) { struct nouveau_fence *fence; unsigned long addr = args->start, nr_dma = 0, i; + unsigned long order = 0; + + for (i = 0; addr < args->end; ) { + struct folio *folio; - for (i = 0; addr < args->end; i++) { args->dst[i] = nouveau_dmem_migrate_copy_one(drm, svmm, - args->src[i], dma_addrs + nr_dma, pfns + i); - if (!dma_mapping_error(drm->dev->dev, dma_addrs[nr_dma])) + args->src[i], dma_info + nr_dma, pfns + i); + if (!args->dst[i]) { + i++; + addr += PAGE_SIZE; + continue; + } + if (!dma_mapping_error(drm->dev->dev, dma_info[nr_dma].dma_addr)) nr_dma++; - addr += PAGE_SIZE; + folio = page_folio(migrate_pfn_to_page(args->dst[i])); + order = folio_order(folio); + i += 1 << order; + addr += (1 << order) * PAGE_SIZE; } nouveau_fence_new(&fence, drm->dmem->migrate.chan); migrate_vma_pages(args); nouveau_dmem_fence_done(&fence); - nouveau_pfns_map(svmm, args->vma->vm_mm, args->start, pfns, i); + nouveau_pfns_map(svmm, args->vma->vm_mm, args->start, pfns, i, order); while (nr_dma--) { - dma_unmap_page(drm->dev->dev, dma_addrs[nr_dma], PAGE_SIZE, - DMA_BIDIRECTIONAL); + dma_unmap_page(drm->dev->dev, dma_info[nr_dma].dma_addr, + dma_info[nr_dma].size, DMA_BIDIRECTIONAL); } migrate_vma_finalize(args); } @@ -688,20 +826,27 @@ nouveau_dmem_migrate_vma(struct nouveau_drm *drm, unsigned long end) { unsigned long npages = (end - start) >> PAGE_SHIFT; - unsigned long max = min(SG_MAX_SINGLE_ALLOC, npages); - dma_addr_t *dma_addrs; + unsigned long max = npages; struct migrate_vma args = { .vma = vma, .start = start, .pgmap_owner = drm->dev, - .flags = MIGRATE_VMA_SELECT_SYSTEM, + .flags = MIGRATE_VMA_SELECT_SYSTEM + | MIGRATE_VMA_SELECT_COMPOUND, }; unsigned long i; u64 *pfns; int ret = -ENOMEM; + struct nouveau_dmem_dma_info *dma_info; - if (drm->dmem == NULL) - return -ENODEV; + if (drm->dmem == NULL) { + ret = -ENODEV; + goto out; + } + + if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE)) + if (max > (unsigned long)HPAGE_PMD_NR) + max = (unsigned long)HPAGE_PMD_NR; args.src = kcalloc(max, sizeof(*args.src), GFP_KERNEL); if (!args.src) @@ -710,8 +855,8 @@ nouveau_dmem_migrate_vma(struct nouveau_drm *drm, if (!args.dst) goto out_free_src; - dma_addrs = kmalloc_array(max, sizeof(*dma_addrs), GFP_KERNEL); - if (!dma_addrs) + dma_info = kmalloc_array(max, sizeof(*dma_info), GFP_KERNEL); + if (!dma_info) goto out_free_dst; pfns = nouveau_pfns_alloc(max); @@ -729,7 +874,7 @@ nouveau_dmem_migrate_vma(struct nouveau_drm *drm, goto out_free_pfns; if (args.cpages) - nouveau_dmem_migrate_chunk(drm, svmm, &args, dma_addrs, + nouveau_dmem_migrate_chunk(drm, svmm, &args, dma_info, pfns); args.start = args.end; } @@ -738,7 +883,7 @@ nouveau_dmem_migrate_vma(struct nouveau_drm *drm, out_free_pfns: nouveau_pfns_free(pfns); out_free_dma: - kfree(dma_addrs); + kfree(dma_info); out_free_dst: kfree(args.dst); out_free_src: diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c index 6fa387da0637..b8a3378154d5 100644 --- a/drivers/gpu/drm/nouveau/nouveau_svm.c +++ b/drivers/gpu/drm/nouveau/nouveau_svm.c @@ -921,12 +921,14 @@ nouveau_pfns_free(u64 *pfns) void nouveau_pfns_map(struct nouveau_svmm *svmm, struct mm_struct *mm, - unsigned long addr, u64 *pfns, unsigned long npages) + unsigned long addr, u64 *pfns, unsigned long npages, + unsigned int page_shift) { struct nouveau_pfnmap_args *args = nouveau_pfns_to_args(pfns); args->p.addr = addr; - args->p.size = npages << PAGE_SHIFT; + args->p.size = npages << page_shift; + args->p.page = page_shift; mutex_lock(&svmm->mutex); diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.h b/drivers/gpu/drm/nouveau/nouveau_svm.h index e7d63d7f0c2d..3fd78662f17e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_svm.h +++ b/drivers/gpu/drm/nouveau/nouveau_svm.h @@ -33,7 +33,8 @@ void nouveau_svmm_invalidate(struct nouveau_svmm *svmm, u64 start, u64 limit); u64 *nouveau_pfns_alloc(unsigned long npages); void nouveau_pfns_free(u64 *pfns); void nouveau_pfns_map(struct nouveau_svmm *svmm, struct mm_struct *mm, - unsigned long addr, u64 *pfns, unsigned long npages); + unsigned long addr, u64 *pfns, unsigned long npages, + unsigned int page_shift); #else /* IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) */ static inline void nouveau_svm_init(struct nouveau_drm *drm) {} static inline void nouveau_svm_fini(struct nouveau_drm *drm) {} |