diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 448 |
1 files changed, 353 insertions, 95 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 716f2afeb6a9..8e35c1ff59e3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -50,16 +50,6 @@ static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev); static void amdgpu_ttm_debugfs_fini(struct amdgpu_device *adev); -static struct amdgpu_device *amdgpu_get_adev(struct ttm_bo_device *bdev) -{ - struct amdgpu_mman *mman; - struct amdgpu_device *adev; - - mman = container_of(bdev, struct amdgpu_mman, bdev); - adev = container_of(mman, struct amdgpu_device, mman); - return adev; -} - /* * Global memory. @@ -88,10 +78,10 @@ static int amdgpu_ttm_global_init(struct amdgpu_device *adev) global_ref->init = &amdgpu_ttm_mem_global_init; global_ref->release = &amdgpu_ttm_mem_global_release; r = drm_global_item_ref(global_ref); - if (r != 0) { + if (r) { DRM_ERROR("Failed setting up TTM memory accounting " "subsystem.\n"); - return r; + goto error_mem; } adev->mman.bo_global_ref.mem_glob = @@ -102,26 +92,30 @@ static int amdgpu_ttm_global_init(struct amdgpu_device *adev) global_ref->init = &ttm_bo_global_init; global_ref->release = &ttm_bo_global_release; r = drm_global_item_ref(global_ref); - if (r != 0) { + if (r) { DRM_ERROR("Failed setting up TTM BO subsystem.\n"); - drm_global_item_unref(&adev->mman.mem_global_ref); - return r; + goto error_bo; } ring = adev->mman.buffer_funcs_ring; rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_KERNEL]; r = amd_sched_entity_init(&ring->sched, &adev->mman.entity, rq, amdgpu_sched_jobs); - if (r != 0) { + if (r) { DRM_ERROR("Failed setting up TTM BO move run queue.\n"); - drm_global_item_unref(&adev->mman.mem_global_ref); - drm_global_item_unref(&adev->mman.bo_global_ref.ref); - return r; + goto error_entity; } adev->mman.mem_global_referenced = true; return 0; + +error_entity: + drm_global_item_unref(&adev->mman.bo_global_ref.ref); +error_bo: + drm_global_item_unref(&adev->mman.mem_global_ref); +error_mem: + return r; } static void amdgpu_ttm_global_fini(struct amdgpu_device *adev) @@ -145,7 +139,7 @@ static int amdgpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, { struct amdgpu_device *adev; - adev = amdgpu_get_adev(bdev); + adev = amdgpu_ttm_adev(bdev); switch (type) { case TTM_PL_SYSTEM: @@ -155,7 +149,7 @@ static int amdgpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, man->default_caching = TTM_PL_FLAG_CACHED; break; case TTM_PL_TT: - man->func = &ttm_bo_manager_func; + man->func = &amdgpu_gtt_mgr_func; man->gpu_offset = adev->mc.gtt_start; man->available_caching = TTM_PL_MASK_CACHING; man->default_caching = TTM_PL_FLAG_CACHED; @@ -163,7 +157,7 @@ static int amdgpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, break; case TTM_PL_VRAM: /* "On-card" video ram */ - man->func = &ttm_bo_manager_func; + man->func = &amdgpu_vram_mgr_func; man->gpu_offset = adev->mc.vram_start; man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_MAPPABLE; @@ -190,12 +184,14 @@ static int amdgpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, static void amdgpu_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *placement) { - struct amdgpu_bo *rbo; + struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev); + struct amdgpu_bo *abo; static struct ttm_place placements = { .fpfn = 0, .lpfn = 0, .flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM }; + unsigned i; if (!amdgpu_ttm_bo_is_amdgpu_bo(bo)) { placement->placement = &placements; @@ -204,28 +200,44 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo, placement->num_busy_placement = 1; return; } - rbo = container_of(bo, struct amdgpu_bo, tbo); + abo = container_of(bo, struct amdgpu_bo, tbo); switch (bo->mem.mem_type) { case TTM_PL_VRAM: - if (rbo->adev->mman.buffer_funcs_ring->ready == false) - amdgpu_ttm_placement_from_domain(rbo, AMDGPU_GEM_DOMAIN_CPU); - else - amdgpu_ttm_placement_from_domain(rbo, AMDGPU_GEM_DOMAIN_GTT); + if (adev->mman.buffer_funcs_ring->ready == false) { + amdgpu_ttm_placement_from_domain(abo, AMDGPU_GEM_DOMAIN_CPU); + } else { + amdgpu_ttm_placement_from_domain(abo, AMDGPU_GEM_DOMAIN_GTT); + for (i = 0; i < abo->placement.num_placement; ++i) { + if (!(abo->placements[i].flags & + TTM_PL_FLAG_TT)) + continue; + + if (abo->placements[i].lpfn) + continue; + + /* set an upper limit to force directly + * allocating address space for the BO. + */ + abo->placements[i].lpfn = + adev->mc.gtt_size >> PAGE_SHIFT; + } + } break; case TTM_PL_TT: default: - amdgpu_ttm_placement_from_domain(rbo, AMDGPU_GEM_DOMAIN_CPU); + amdgpu_ttm_placement_from_domain(abo, AMDGPU_GEM_DOMAIN_CPU); } - *placement = rbo->placement; + *placement = abo->placement; } static int amdgpu_verify_access(struct ttm_buffer_object *bo, struct file *filp) { - struct amdgpu_bo *rbo = container_of(bo, struct amdgpu_bo, tbo); + struct amdgpu_bo *abo = container_of(bo, struct amdgpu_bo, tbo); if (amdgpu_ttm_tt_get_usermm(bo->ttm)) return -EPERM; - return drm_vma_node_verify_access(&rbo->gem_base.vma_node, filp); + return drm_vma_node_verify_access(&abo->gem_base.vma_node, + filp->private_data); } static void amdgpu_move_null(struct ttm_buffer_object *bo, @@ -238,59 +250,115 @@ static void amdgpu_move_null(struct ttm_buffer_object *bo, new_mem->mm_node = NULL; } -static int amdgpu_move_blit(struct ttm_buffer_object *bo, - bool evict, bool no_wait_gpu, - struct ttm_mem_reg *new_mem, - struct ttm_mem_reg *old_mem) +static int amdgpu_mm_node_addr(struct ttm_buffer_object *bo, + struct drm_mm_node *mm_node, + struct ttm_mem_reg *mem, + uint64_t *addr) { - struct amdgpu_device *adev; - struct amdgpu_ring *ring; - uint64_t old_start, new_start; - struct fence *fence; int r; - adev = amdgpu_get_adev(bo->bdev); - ring = adev->mman.buffer_funcs_ring; - old_start = (u64)old_mem->start << PAGE_SHIFT; - new_start = (u64)new_mem->start << PAGE_SHIFT; - - switch (old_mem->mem_type) { - case TTM_PL_VRAM: - old_start += adev->mc.vram_start; - break; + switch (mem->mem_type) { case TTM_PL_TT: - old_start += adev->mc.gtt_start; - break; - default: - DRM_ERROR("Unknown placement %d\n", old_mem->mem_type); - return -EINVAL; - } - switch (new_mem->mem_type) { + r = amdgpu_ttm_bind(bo, mem); + if (r) + return r; + case TTM_PL_VRAM: - new_start += adev->mc.vram_start; - break; - case TTM_PL_TT: - new_start += adev->mc.gtt_start; + *addr = mm_node->start << PAGE_SHIFT; + *addr += bo->bdev->man[mem->mem_type].gpu_offset; break; default: - DRM_ERROR("Unknown placement %d\n", old_mem->mem_type); + DRM_ERROR("Unknown placement %d\n", mem->mem_type); return -EINVAL; } + + return 0; +} + +static int amdgpu_move_blit(struct ttm_buffer_object *bo, + bool evict, bool no_wait_gpu, + struct ttm_mem_reg *new_mem, + struct ttm_mem_reg *old_mem) +{ + struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev); + struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; + + struct drm_mm_node *old_mm, *new_mm; + uint64_t old_start, old_size, new_start, new_size; + unsigned long num_pages; + struct dma_fence *fence = NULL; + int r; + + BUILD_BUG_ON((PAGE_SIZE % AMDGPU_GPU_PAGE_SIZE) != 0); + if (!ring->ready) { DRM_ERROR("Trying to move memory with ring turned off.\n"); return -EINVAL; } - BUILD_BUG_ON((PAGE_SIZE % AMDGPU_GPU_PAGE_SIZE) != 0); + old_mm = old_mem->mm_node; + r = amdgpu_mm_node_addr(bo, old_mm, old_mem, &old_start); + if (r) + return r; + old_size = old_mm->size; - r = amdgpu_copy_buffer(ring, old_start, new_start, - new_mem->num_pages * PAGE_SIZE, /* bytes */ - bo->resv, &fence); + + new_mm = new_mem->mm_node; + r = amdgpu_mm_node_addr(bo, new_mm, new_mem, &new_start); if (r) return r; + new_size = new_mm->size; + + num_pages = new_mem->num_pages; + while (num_pages) { + unsigned long cur_pages = min(old_size, new_size); + struct dma_fence *next; + + r = amdgpu_copy_buffer(ring, old_start, new_start, + cur_pages * PAGE_SIZE, + bo->resv, &next, false); + if (r) + goto error; + + dma_fence_put(fence); + fence = next; + + num_pages -= cur_pages; + if (!num_pages) + break; + + old_size -= cur_pages; + if (!old_size) { + r = amdgpu_mm_node_addr(bo, ++old_mm, old_mem, + &old_start); + if (r) + goto error; + old_size = old_mm->size; + } else { + old_start += cur_pages * PAGE_SIZE; + } + + new_size -= cur_pages; + if (!new_size) { + r = amdgpu_mm_node_addr(bo, ++new_mm, new_mem, + &new_start); + if (r) + goto error; + + new_size = new_mm->size; + } else { + new_start += cur_pages * PAGE_SIZE; + } + } r = ttm_bo_pipeline_move(bo, fence, evict, new_mem); - fence_put(fence); + dma_fence_put(fence); + return r; + +error: + if (fence) + dma_fence_wait(fence, false); + dma_fence_put(fence); return r; } @@ -306,7 +374,7 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, struct ttm_placement placement; int r; - adev = amdgpu_get_adev(bo->bdev); + adev = amdgpu_ttm_adev(bo->bdev); tmp_mem = *new_mem; tmp_mem.mm_node = NULL; placement.num_placement = 1; @@ -314,7 +382,7 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, placement.num_busy_placement = 1; placement.busy_placement = &placements; placements.fpfn = 0; - placements.lpfn = 0; + placements.lpfn = adev->mc.gtt_size >> PAGE_SHIFT; placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT; r = ttm_bo_mem_space(bo, &placement, &tmp_mem, interruptible, no_wait_gpu); @@ -335,7 +403,7 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, if (unlikely(r)) { goto out_cleanup; } - r = ttm_bo_move_ttm(bo, true, interruptible, no_wait_gpu, new_mem); + r = ttm_bo_move_ttm(bo, interruptible, no_wait_gpu, new_mem); out_cleanup: ttm_bo_mem_put(bo, &tmp_mem); return r; @@ -353,7 +421,7 @@ static int amdgpu_move_ram_vram(struct ttm_buffer_object *bo, struct ttm_place placements; int r; - adev = amdgpu_get_adev(bo->bdev); + adev = amdgpu_ttm_adev(bo->bdev); tmp_mem = *new_mem; tmp_mem.mm_node = NULL; placement.num_placement = 1; @@ -361,14 +429,14 @@ static int amdgpu_move_ram_vram(struct ttm_buffer_object *bo, placement.num_busy_placement = 1; placement.busy_placement = &placements; placements.fpfn = 0; - placements.lpfn = 0; + placements.lpfn = adev->mc.gtt_size >> PAGE_SHIFT; placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT; r = ttm_bo_mem_space(bo, &placement, &tmp_mem, interruptible, no_wait_gpu); if (unlikely(r)) { return r; } - r = ttm_bo_move_ttm(bo, true, interruptible, no_wait_gpu, &tmp_mem); + r = ttm_bo_move_ttm(bo, interruptible, no_wait_gpu, &tmp_mem); if (unlikely(r)) { goto out_cleanup; } @@ -396,7 +464,7 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, if (WARN_ON_ONCE(abo->pin_count > 0)) return -EINVAL; - adev = amdgpu_get_adev(bo->bdev); + adev = amdgpu_ttm_adev(bo->bdev); /* remember the eviction */ if (evict) @@ -435,8 +503,7 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, if (r) { memcpy: - r = ttm_bo_move_memcpy(bo, evict, interruptible, - no_wait_gpu, new_mem); + r = ttm_bo_move_memcpy(bo, interruptible, no_wait_gpu, new_mem); if (r) { return r; } @@ -450,7 +517,7 @@ memcpy: static int amdgpu_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) { struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type]; - struct amdgpu_device *adev = amdgpu_get_adev(bdev); + struct amdgpu_device *adev = amdgpu_ttm_adev(bdev); mem->bus.addr = NULL; mem->bus.offset = 0; @@ -524,15 +591,19 @@ struct amdgpu_ttm_tt { spinlock_t guptasklock; struct list_head guptasks; atomic_t mmu_invalidations; + struct list_head list; }; int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) { struct amdgpu_ttm_tt *gtt = (void *)ttm; - int write = !(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY); + unsigned int flags = 0; unsigned pinned = 0; int r; + if (!(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY)) + flags |= FOLL_WRITE; + if (gtt->userflags & AMDGPU_GEM_USERPTR_ANONONLY) { /* check that we only use anonymous memory to prevent problems with writeback */ @@ -555,7 +626,7 @@ int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) list_add(&guptask.list, >t->guptasks); spin_unlock(>t->guptasklock); - r = get_user_pages(userptr, num_pages, write, 0, p, NULL); + r = get_user_pages(userptr, num_pages, flags, p, NULL); spin_lock(>t->guptasklock); list_del(&guptask.list); @@ -578,7 +649,7 @@ release_pages: /* prepare the sg table with the user pages */ static int amdgpu_ttm_tt_pin_userptr(struct ttm_tt *ttm) { - struct amdgpu_device *adev = amdgpu_get_adev(ttm->bdev); + struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev); struct amdgpu_ttm_tt *gtt = (void *)ttm; unsigned nents; int r; @@ -610,7 +681,7 @@ release_sg: static void amdgpu_ttm_tt_unpin_userptr(struct ttm_tt *ttm) { - struct amdgpu_device *adev = amdgpu_get_adev(ttm->bdev); + struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev); struct amdgpu_ttm_tt *gtt = (void *)ttm; struct sg_page_iter sg_iter; @@ -641,7 +712,6 @@ static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem) { struct amdgpu_ttm_tt *gtt = (void*)ttm; - uint32_t flags = amdgpu_ttm_tt_pte_flags(gtt->adev, ttm, bo_mem); int r; if (gtt->userptr) { @@ -651,7 +721,6 @@ static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm, return r; } } - gtt->offset = (unsigned long)(bo_mem->start << PAGE_SHIFT); if (!ttm->num_pages) { WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n", ttm->num_pages, bo_mem, ttm); @@ -662,14 +731,71 @@ static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm, bo_mem->mem_type == AMDGPU_PL_OA) return -EINVAL; + return 0; +} + +bool amdgpu_ttm_is_bound(struct ttm_tt *ttm) +{ + struct amdgpu_ttm_tt *gtt = (void *)ttm; + + return gtt && !list_empty(>t->list); +} + +int amdgpu_ttm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *bo_mem) +{ + struct ttm_tt *ttm = bo->ttm; + struct amdgpu_ttm_tt *gtt = (void *)bo->ttm; + uint32_t flags; + int r; + + if (!ttm || amdgpu_ttm_is_bound(ttm)) + return 0; + + r = amdgpu_gtt_mgr_alloc(&bo->bdev->man[TTM_PL_TT], bo, + NULL, bo_mem); + if (r) { + DRM_ERROR("Failed to allocate GTT address space (%d)\n", r); + return r; + } + + flags = amdgpu_ttm_tt_pte_flags(gtt->adev, ttm, bo_mem); + gtt->offset = (u64)bo_mem->start << PAGE_SHIFT; r = amdgpu_gart_bind(gtt->adev, gtt->offset, ttm->num_pages, ttm->pages, gtt->ttm.dma_address, flags); if (r) { - DRM_ERROR("failed to bind %lu pages at 0x%08X\n", - ttm->num_pages, (unsigned)gtt->offset); + DRM_ERROR("failed to bind %lu pages at 0x%08llX\n", + ttm->num_pages, gtt->offset); return r; } + spin_lock(>t->adev->gtt_list_lock); + list_add_tail(>t->list, >t->adev->gtt_list); + spin_unlock(>t->adev->gtt_list_lock); + return 0; +} + +int amdgpu_ttm_recover_gart(struct amdgpu_device *adev) +{ + struct amdgpu_ttm_tt *gtt, *tmp; + struct ttm_mem_reg bo_mem; + uint32_t flags; + int r; + + bo_mem.mem_type = TTM_PL_TT; + spin_lock(&adev->gtt_list_lock); + list_for_each_entry_safe(gtt, tmp, &adev->gtt_list, list) { + flags = amdgpu_ttm_tt_pte_flags(gtt->adev, >t->ttm.ttm, &bo_mem); + r = amdgpu_gart_bind(adev, gtt->offset, gtt->ttm.ttm.num_pages, + gtt->ttm.ttm.pages, gtt->ttm.dma_address, + flags); + if (r) { + spin_unlock(&adev->gtt_list_lock); + DRM_ERROR("failed to bind %lu pages at 0x%08llX\n", + gtt->ttm.ttm.num_pages, gtt->offset); + return r; + } + } + spin_unlock(&adev->gtt_list_lock); return 0; } @@ -677,12 +803,19 @@ static int amdgpu_ttm_backend_unbind(struct ttm_tt *ttm) { struct amdgpu_ttm_tt *gtt = (void *)ttm; + if (gtt->userptr) + amdgpu_ttm_tt_unpin_userptr(ttm); + + if (!amdgpu_ttm_is_bound(ttm)) + return 0; + /* unbind shouldn't be done for GDS/GWS/OA in ttm_bo_clean_mm */ if (gtt->adev->gart.ready) amdgpu_gart_unbind(gtt->adev, gtt->offset, ttm->num_pages); - if (gtt->userptr) - amdgpu_ttm_tt_unpin_userptr(ttm); + spin_lock(>t->adev->gtt_list_lock); + list_del_init(>t->list); + spin_unlock(>t->adev->gtt_list_lock); return 0; } @@ -708,7 +841,7 @@ static struct ttm_tt *amdgpu_ttm_tt_create(struct ttm_bo_device *bdev, struct amdgpu_device *adev; struct amdgpu_ttm_tt *gtt; - adev = amdgpu_get_adev(bdev); + adev = amdgpu_ttm_adev(bdev); gtt = kzalloc(sizeof(struct amdgpu_ttm_tt), GFP_KERNEL); if (gtt == NULL) { @@ -720,6 +853,7 @@ static struct ttm_tt *amdgpu_ttm_tt_create(struct ttm_bo_device *bdev, kfree(gtt); return NULL; } + INIT_LIST_HEAD(>t->list); return >t->ttm.ttm; } @@ -751,7 +885,7 @@ static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm) return 0; } - adev = amdgpu_get_adev(ttm->bdev); + adev = amdgpu_ttm_adev(ttm->bdev); #ifdef CONFIG_SWIOTLB if (swiotlb_nr_tbl()) { @@ -797,7 +931,7 @@ static void amdgpu_ttm_tt_unpopulate(struct ttm_tt *ttm) if (slave) return; - adev = amdgpu_get_adev(ttm->bdev); + adev = amdgpu_ttm_adev(ttm->bdev); #ifdef CONFIG_SWIOTLB if (swiotlb_nr_tbl()) { @@ -920,7 +1054,7 @@ uint32_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm, static void amdgpu_ttm_lru_removal(struct ttm_buffer_object *tbo) { - struct amdgpu_device *adev = amdgpu_get_adev(tbo->bdev); + struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev); unsigned i, j; for (i = 0; i < AMDGPU_TTM_LRU_SIZE; ++i) { @@ -937,7 +1071,7 @@ static void amdgpu_ttm_lru_removal(struct ttm_buffer_object *tbo) static struct amdgpu_mman_lru *amdgpu_ttm_lru(struct ttm_buffer_object *tbo) { - struct amdgpu_device *adev = amdgpu_get_adev(tbo->bdev); + struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev); unsigned log2_size = min(ilog2(tbo->num_pages), AMDGPU_TTM_LRU_SIZE - 1); @@ -968,12 +1102,37 @@ static struct list_head *amdgpu_ttm_swap_lru_tail(struct ttm_buffer_object *tbo) return res; } +static bool amdgpu_ttm_bo_eviction_valuable(struct ttm_buffer_object *bo, + const struct ttm_place *place) +{ + if (bo->mem.mem_type == TTM_PL_VRAM && + bo->mem.start == AMDGPU_BO_INVALID_OFFSET) { + unsigned long num_pages = bo->mem.num_pages; + struct drm_mm_node *node = bo->mem.mm_node; + + /* Check each drm MM node individually */ + while (num_pages) { + if (place->fpfn < (node->start + node->size) && + !(place->lpfn && place->lpfn <= node->start)) + return true; + + num_pages -= node->size; + ++node; + } + + return false; + } + + return ttm_bo_eviction_valuable(bo, place); +} + static struct ttm_bo_driver amdgpu_bo_driver = { .ttm_tt_create = &amdgpu_ttm_tt_create, .ttm_tt_populate = &amdgpu_ttm_tt_populate, .ttm_tt_unpopulate = &amdgpu_ttm_tt_unpopulate, .invalidate_caches = &amdgpu_invalidate_caches, .init_mem_type = &amdgpu_init_mem_type, + .eviction_valuable = amdgpu_ttm_bo_eviction_valuable, .evict_flags = &amdgpu_evict_flags, .move = &amdgpu_bo_move, .verify_access = &amdgpu_verify_access, @@ -1031,7 +1190,8 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) r = amdgpu_bo_create(adev, 256 * 1024, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, - AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, + AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | + AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS, NULL, NULL, &adev->stollen_vga_memory); if (r) { return r; @@ -1159,7 +1319,7 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t dst_offset, uint32_t byte_count, struct reservation_object *resv, - struct fence **fence) + struct dma_fence **fence, bool direct_submit) { struct amdgpu_device *adev = ring->adev; struct amdgpu_job *job; @@ -1203,6 +1363,104 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, amdgpu_ring_pad_ib(ring, &job->ibs[0]); WARN_ON(job->ibs[0].length_dw > num_dw); + if (direct_submit) { + r = amdgpu_ib_schedule(ring, job->num_ibs, job->ibs, + NULL, NULL, fence); + job->fence = dma_fence_get(*fence); + if (r) + DRM_ERROR("Error scheduling IBs (%d)\n", r); + amdgpu_job_free(job); + } else { + r = amdgpu_job_submit(job, ring, &adev->mman.entity, + AMDGPU_FENCE_OWNER_UNDEFINED, fence); + if (r) + goto error_free; + } + + return r; + +error_free: + amdgpu_job_free(job); + return r; +} + +int amdgpu_fill_buffer(struct amdgpu_bo *bo, + uint32_t src_data, + struct reservation_object *resv, + struct dma_fence **fence) +{ + struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); + uint32_t max_bytes = adev->mman.buffer_funcs->fill_max_bytes; + struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; + + struct drm_mm_node *mm_node; + unsigned long num_pages; + unsigned int num_loops, num_dw; + + struct amdgpu_job *job; + int r; + + if (!ring->ready) { + DRM_ERROR("Trying to clear memory with ring turned off.\n"); + return -EINVAL; + } + + num_pages = bo->tbo.num_pages; + mm_node = bo->tbo.mem.mm_node; + num_loops = 0; + while (num_pages) { + uint32_t byte_count = mm_node->size << PAGE_SHIFT; + + num_loops += DIV_ROUND_UP(byte_count, max_bytes); + num_pages -= mm_node->size; + ++mm_node; + } + num_dw = num_loops * adev->mman.buffer_funcs->fill_num_dw; + + /* for IB padding */ + num_dw += 64; + + r = amdgpu_job_alloc_with_ib(adev, num_dw * 4, &job); + if (r) + return r; + + if (resv) { + r = amdgpu_sync_resv(adev, &job->sync, resv, + AMDGPU_FENCE_OWNER_UNDEFINED); + if (r) { + DRM_ERROR("sync failed (%d).\n", r); + goto error_free; + } + } + + num_pages = bo->tbo.num_pages; + mm_node = bo->tbo.mem.mm_node; + + while (num_pages) { + uint32_t byte_count = mm_node->size << PAGE_SHIFT; + uint64_t dst_addr; + + r = amdgpu_mm_node_addr(&bo->tbo, mm_node, + &bo->tbo.mem, &dst_addr); + if (r) + return r; + + while (byte_count) { + uint32_t cur_size_in_bytes = min(byte_count, max_bytes); + + amdgpu_emit_fill_buffer(adev, &job->ibs[0], src_data, + dst_addr, cur_size_in_bytes); + + dst_addr += cur_size_in_bytes; + byte_count -= cur_size_in_bytes; + } + + num_pages -= mm_node->size; + ++mm_node; + } + + amdgpu_ring_pad_ib(ring, &job->ibs[0]); + WARN_ON(job->ibs[0].length_dw > num_dw); r = amdgpu_job_submit(job, ring, &adev->mman.entity, AMDGPU_FENCE_OWNER_UNDEFINED, fence); if (r) @@ -1253,7 +1511,7 @@ static const struct drm_info_list amdgpu_ttm_debugfs_list[] = { static ssize_t amdgpu_ttm_vram_read(struct file *f, char __user *buf, size_t size, loff_t *pos) { - struct amdgpu_device *adev = f->f_inode->i_private; + struct amdgpu_device *adev = file_inode(f)->i_private; ssize_t result = 0; int r; @@ -1297,7 +1555,7 @@ static const struct file_operations amdgpu_ttm_vram_fops = { static ssize_t amdgpu_ttm_gtt_read(struct file *f, char __user *buf, size_t size, loff_t *pos) { - struct amdgpu_device *adev = f->f_inode->i_private; + struct amdgpu_device *adev = file_inode(f)->i_private; ssize_t result = 0; int r; |