diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 381 |
1 files changed, 175 insertions, 206 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 978bae731398..8039d2399584 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -63,61 +63,16 @@ #define AMDGPU_TTM_VRAM_MAX_DW_READ (size_t)128 +static int amdgpu_ttm_backend_bind(struct ttm_bo_device *bdev, + struct ttm_tt *ttm, + struct ttm_resource *bo_mem); -/** - * amdgpu_init_mem_type - Initialize a memory manager for a specific type of - * memory request. - * - * @bdev: The TTM BO device object (contains a reference to amdgpu_device) - * @type: The type of memory requested - * @man: The memory type manager for each domain - * - * This is called by ttm_bo_init_mm() when a buffer object is being - * initialized. - */ -static int amdgpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, - struct ttm_mem_type_manager *man) +static int amdgpu_ttm_init_on_chip(struct amdgpu_device *adev, + unsigned int type, + uint64_t size) { - struct amdgpu_device *adev; - - adev = amdgpu_ttm_adev(bdev); - - switch (type) { - case TTM_PL_SYSTEM: - /* System memory */ - man->flags = TTM_MEMTYPE_FLAG_MAPPABLE; - man->available_caching = TTM_PL_MASK_CACHING; - man->default_caching = TTM_PL_FLAG_CACHED; - break; - case TTM_PL_TT: - /* GTT memory */ - man->func = &amdgpu_gtt_mgr_func; - man->available_caching = TTM_PL_MASK_CACHING; - man->default_caching = TTM_PL_FLAG_CACHED; - man->flags = TTM_MEMTYPE_FLAG_MAPPABLE; - break; - case TTM_PL_VRAM: - /* "On-card" video ram */ - man->func = &amdgpu_vram_mgr_func; - man->flags = TTM_MEMTYPE_FLAG_FIXED | - TTM_MEMTYPE_FLAG_MAPPABLE; - man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC; - man->default_caching = TTM_PL_FLAG_WC; - break; - case AMDGPU_PL_GDS: - case AMDGPU_PL_GWS: - case AMDGPU_PL_OA: - /* On-chip GDS memory*/ - man->func = &ttm_bo_manager_func; - man->flags = TTM_MEMTYPE_FLAG_FIXED; - man->available_caching = TTM_PL_FLAG_UNCACHED; - man->default_caching = TTM_PL_FLAG_UNCACHED; - break; - default: - DRM_ERROR("Unsupported memory type %u\n", (unsigned)type); - return -EINVAL; - } - return 0; + return ttm_range_man_init(&adev->mman.bdev, type, + false, size >> PAGE_SHIFT); } /** @@ -136,7 +91,8 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo, static const struct ttm_place placements = { .fpfn = 0, .lpfn = 0, - .flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM + .mem_type = TTM_PL_SYSTEM, + .flags = TTM_PL_MASK_CACHING }; /* Don't handle scatter gather BOs */ @@ -223,24 +179,6 @@ static int amdgpu_verify_access(struct ttm_buffer_object *bo, struct file *filp) } /** - * amdgpu_move_null - Register memory for a buffer object - * - * @bo: The bo to assign the memory to - * @new_mem: The memory to be assigned. - * - * Assign the memory from new_mem to the memory of the buffer object bo. - */ -static void amdgpu_move_null(struct ttm_buffer_object *bo, - struct ttm_mem_reg *new_mem) -{ - struct ttm_mem_reg *old_mem = &bo->mem; - - BUG_ON(old_mem->mm_node != NULL); - *old_mem = *new_mem; - new_mem->mm_node = NULL; -} - -/** * amdgpu_mm_node_addr - Compute the GPU relative offset of a GTT buffer. * * @bo: The bo to assign the memory to. @@ -250,7 +188,7 @@ static void amdgpu_move_null(struct ttm_buffer_object *bo, */ static uint64_t amdgpu_mm_node_addr(struct ttm_buffer_object *bo, struct drm_mm_node *mm_node, - struct ttm_mem_reg *mem) + struct ttm_resource *mem) { uint64_t addr = 0; @@ -270,7 +208,7 @@ static uint64_t amdgpu_mm_node_addr(struct ttm_buffer_object *bo, * @offset: The offset that drm_mm_node is used for finding. * */ -static struct drm_mm_node *amdgpu_find_mm_node(struct ttm_mem_reg *mem, +static struct drm_mm_node *amdgpu_find_mm_node(struct ttm_resource *mem, uint64_t *offset) { struct drm_mm_node *mm_node = mem->mm_node; @@ -298,7 +236,7 @@ static struct drm_mm_node *amdgpu_find_mm_node(struct ttm_mem_reg *mem, * the physical address for local memory. */ static int amdgpu_ttm_map_buffer(struct ttm_buffer_object *bo, - struct ttm_mem_reg *mem, + struct ttm_resource *mem, struct drm_mm_node *mm_node, unsigned num_pages, uint64_t offset, unsigned window, struct amdgpu_ring *ring, @@ -521,9 +459,9 @@ error: * help move buffers to and from VRAM. */ 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) + bool evict, + struct ttm_resource *new_mem, + struct ttm_resource *old_mem) { struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev); struct amdgpu_bo *abo = ttm_to_amdgpu_bo(bo); @@ -562,9 +500,9 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo, /* Always block for VM page tables before committing the new location */ if (bo->type == ttm_bo_type_kernel) - r = ttm_bo_move_accel_cleanup(bo, fence, true, new_mem); + r = ttm_bo_move_accel_cleanup(bo, fence, true, false, new_mem); else - r = ttm_bo_pipeline_move(bo, fence, evict, new_mem); + r = ttm_bo_move_accel_cleanup(bo, fence, evict, true, new_mem); dma_fence_put(fence); return r; @@ -582,10 +520,10 @@ error: */ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, bool evict, struct ttm_operation_ctx *ctx, - struct ttm_mem_reg *new_mem) + struct ttm_resource *new_mem) { - struct ttm_mem_reg *old_mem = &bo->mem; - struct ttm_mem_reg tmp_mem; + struct ttm_resource *old_mem = &bo->mem; + struct ttm_resource tmp_mem; struct ttm_place placements; struct ttm_placement placement; int r; @@ -599,7 +537,8 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, bool evict, placement.busy_placement = &placements; placements.fpfn = 0; placements.lpfn = 0; - placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT; + placements.mem_type = TTM_PL_TT; + placements.flags = TTM_PL_MASK_CACHING; r = ttm_bo_mem_space(bo, &placement, &tmp_mem, ctx); if (unlikely(r)) { pr_err("Failed to find GTT space for blit from VRAM\n"); @@ -612,14 +551,18 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, bool evict, goto out_cleanup; } + r = ttm_tt_populate(bo->bdev, bo->ttm, ctx); + if (unlikely(r)) + goto out_cleanup; + /* Bind the memory to the GTT space */ - r = ttm_tt_bind(bo->ttm, &tmp_mem, ctx); + r = amdgpu_ttm_backend_bind(bo->bdev, bo->ttm, &tmp_mem); if (unlikely(r)) { goto out_cleanup; } /* blit VRAM to GTT */ - r = amdgpu_move_blit(bo, evict, ctx->no_wait_gpu, &tmp_mem, old_mem); + r = amdgpu_move_blit(bo, evict, &tmp_mem, old_mem); if (unlikely(r)) { goto out_cleanup; } @@ -627,7 +570,7 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, bool evict, /* move BO (in tmp_mem) to new_mem */ r = ttm_bo_move_ttm(bo, ctx, new_mem); out_cleanup: - ttm_bo_mem_put(bo, &tmp_mem); + ttm_resource_free(bo, &tmp_mem); return r; } @@ -638,10 +581,10 @@ out_cleanup: */ static int amdgpu_move_ram_vram(struct ttm_buffer_object *bo, bool evict, struct ttm_operation_ctx *ctx, - struct ttm_mem_reg *new_mem) + struct ttm_resource *new_mem) { - struct ttm_mem_reg *old_mem = &bo->mem; - struct ttm_mem_reg tmp_mem; + struct ttm_resource *old_mem = &bo->mem; + struct ttm_resource tmp_mem; struct ttm_placement placement; struct ttm_place placements; int r; @@ -655,7 +598,8 @@ static int amdgpu_move_ram_vram(struct ttm_buffer_object *bo, bool evict, placement.busy_placement = &placements; placements.fpfn = 0; placements.lpfn = 0; - placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT; + placements.mem_type = TTM_PL_TT; + placements.flags = TTM_PL_MASK_CACHING; r = ttm_bo_mem_space(bo, &placement, &tmp_mem, ctx); if (unlikely(r)) { pr_err("Failed to find GTT space for blit to VRAM\n"); @@ -669,12 +613,12 @@ static int amdgpu_move_ram_vram(struct ttm_buffer_object *bo, bool evict, } /* copy to VRAM */ - r = amdgpu_move_blit(bo, evict, ctx->no_wait_gpu, new_mem, old_mem); + r = amdgpu_move_blit(bo, evict, new_mem, old_mem); if (unlikely(r)) { goto out_cleanup; } out_cleanup: - ttm_bo_mem_put(bo, &tmp_mem); + ttm_resource_free(bo, &tmp_mem); return r; } @@ -684,7 +628,7 @@ out_cleanup: * Called by amdgpu_bo_move() */ static bool amdgpu_mem_visible(struct amdgpu_device *adev, - struct ttm_mem_reg *mem) + struct ttm_resource *mem) { struct drm_mm_node *nodes = mem->mm_node; @@ -694,7 +638,7 @@ static bool amdgpu_mem_visible(struct amdgpu_device *adev, if (mem->mem_type != TTM_PL_VRAM) return false; - /* ttm_mem_reg_ioremap only supports contiguous memory */ + /* ttm_resource_ioremap only supports contiguous memory */ if (nodes->size != mem->num_pages) return false; @@ -709,11 +653,11 @@ static bool amdgpu_mem_visible(struct amdgpu_device *adev, */ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, struct ttm_operation_ctx *ctx, - struct ttm_mem_reg *new_mem) + struct ttm_resource *new_mem) { struct amdgpu_device *adev; struct amdgpu_bo *abo; - struct ttm_mem_reg *old_mem = &bo->mem; + struct ttm_resource *old_mem = &bo->mem; int r; /* Can't move a pinned BO */ @@ -724,7 +668,7 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, adev = amdgpu_ttm_adev(bo->bdev); if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) { - amdgpu_move_null(bo, new_mem); + ttm_bo_move_null(bo, new_mem); return 0; } if ((old_mem->mem_type == TTM_PL_TT && @@ -732,7 +676,7 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, (old_mem->mem_type == TTM_PL_SYSTEM && new_mem->mem_type == TTM_PL_TT)) { /* bind is enough */ - amdgpu_move_null(bo, new_mem); + ttm_bo_move_null(bo, new_mem); return 0; } if (old_mem->mem_type == AMDGPU_PL_GDS || @@ -742,7 +686,7 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, new_mem->mem_type == AMDGPU_PL_GWS || new_mem->mem_type == AMDGPU_PL_OA) { /* Nothing to save here */ - amdgpu_move_null(bo, new_mem); + ttm_bo_move_null(bo, new_mem); return 0; } @@ -758,7 +702,7 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, new_mem->mem_type == TTM_PL_VRAM) { r = amdgpu_move_ram_vram(bo, evict, ctx, new_mem); } else { - r = amdgpu_move_blit(bo, evict, ctx->no_wait_gpu, + r = amdgpu_move_blit(bo, evict, new_mem, old_mem); } @@ -795,19 +739,12 @@ memcpy: * * Called by ttm_mem_io_reserve() ultimately via ttm_bo_vm_fault() */ -static int amdgpu_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) +static int amdgpu_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *mem) { - struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type]; struct amdgpu_device *adev = amdgpu_ttm_adev(bdev); struct drm_mm_node *mm_node = mem->mm_node; + size_t bus_size = (size_t)mem->num_pages << PAGE_SHIFT; - mem->bus.addr = NULL; - mem->bus.offset = 0; - mem->bus.size = mem->num_pages << PAGE_SHIFT; - mem->bus.base = 0; - mem->bus.is_iomem = false; - if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE)) - return -EINVAL; switch (mem->mem_type) { case TTM_PL_SYSTEM: /* system memory */ @@ -817,18 +754,18 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_ case TTM_PL_VRAM: mem->bus.offset = mem->start << PAGE_SHIFT; /* check if it's visible */ - if ((mem->bus.offset + mem->bus.size) > adev->gmc.visible_vram_size) + if ((mem->bus.offset + bus_size) > adev->gmc.visible_vram_size) return -EINVAL; /* Only physically contiguous buffers apply. In a contiguous * buffer, size of the first mm_node would match the number of - * pages in ttm_mem_reg. + * pages in ttm_resource. */ if (adev->mman.aper_base_kaddr && (mm_node->size == mem->num_pages)) mem->bus.addr = (u8 *)adev->mman.aper_base_kaddr + mem->bus.offset; - mem->bus.base = adev->gmc.aper_base; + mem->bus.offset += adev->gmc.aper_base; mem->bus.is_iomem = true; break; default: @@ -840,12 +777,13 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_ static unsigned long amdgpu_ttm_io_mem_pfn(struct ttm_buffer_object *bo, unsigned long page_offset) { + struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev); uint64_t offset = (page_offset << PAGE_SHIFT); struct drm_mm_node *mm; mm = amdgpu_find_mm_node(&bo->mem, &offset); - return (bo->mem.bus.base >> PAGE_SHIFT) + mm->start + - (offset >> PAGE_SHIFT); + offset += adev->gmc.aper_base; + return mm->start + (offset >> PAGE_SHIFT); } /** @@ -879,6 +817,7 @@ struct amdgpu_ttm_tt { uint64_t userptr; struct task_struct *usertask; uint32_t userflags; + bool bound; #if IS_ENABLED(CONFIG_DRM_AMDGPU_USERPTR) struct hmm_range *range; #endif @@ -1046,9 +985,10 @@ void amdgpu_ttm_tt_set_user_pages(struct ttm_tt *ttm, struct page **pages) * * Called by amdgpu_ttm_backend_bind() **/ -static int amdgpu_ttm_tt_pin_userptr(struct ttm_tt *ttm) +static int amdgpu_ttm_tt_pin_userptr(struct ttm_bo_device *bdev, + struct ttm_tt *ttm) { - struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev); + struct amdgpu_device *adev = amdgpu_ttm_adev(bdev); struct amdgpu_ttm_tt *gtt = (void *)ttm; int r; @@ -1083,9 +1023,10 @@ release_sg: /** * amdgpu_ttm_tt_unpin_userptr - Unpin and unmap userptr pages */ -static void amdgpu_ttm_tt_unpin_userptr(struct ttm_tt *ttm) +static void amdgpu_ttm_tt_unpin_userptr(struct ttm_bo_device *bdev, + struct ttm_tt *ttm) { - struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev); + struct amdgpu_device *adev = amdgpu_ttm_adev(bdev); struct amdgpu_ttm_tt *gtt = (void *)ttm; int write = !(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY); @@ -1166,16 +1107,23 @@ gart_bind_fail: * Called by ttm_tt_bind() on behalf of ttm_bo_handle_move_mem(). * This handles binding GTT memory to the device address space. */ -static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm, - struct ttm_mem_reg *bo_mem) +static int amdgpu_ttm_backend_bind(struct ttm_bo_device *bdev, + struct ttm_tt *ttm, + struct ttm_resource *bo_mem) { - struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev); + struct amdgpu_device *adev = amdgpu_ttm_adev(bdev); struct amdgpu_ttm_tt *gtt = (void*)ttm; uint64_t flags; int r = 0; + if (!bo_mem) + return -EINVAL; + + if (gtt->bound) + return 0; + if (gtt->userptr) { - r = amdgpu_ttm_tt_pin_userptr(ttm); + r = amdgpu_ttm_tt_pin_userptr(bdev, ttm); if (r) { DRM_ERROR("failed to pin userptr\n"); return r; @@ -1207,18 +1155,24 @@ static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm, if (r) DRM_ERROR("failed to bind %lu pages at 0x%08llX\n", ttm->num_pages, gtt->offset); + gtt->bound = true; return r; } /** - * amdgpu_ttm_alloc_gart - Allocate GART memory for buffer object + * amdgpu_ttm_alloc_gart - Make sure buffer object is accessible either + * through AGP or GART aperture. + * + * If bo is accessible through AGP aperture, then use AGP aperture + * to access bo; otherwise allocate logical space in GART aperture + * and map bo to GART aperture. */ int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo) { struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev); struct ttm_operation_ctx ctx = { false, false }; struct amdgpu_ttm_tt *gtt = (void*)bo->ttm; - struct ttm_mem_reg tmp; + struct ttm_resource tmp; struct ttm_placement placement; struct ttm_place placements; uint64_t addr, flags; @@ -1241,8 +1195,8 @@ int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo) placement.busy_placement = &placements; placements.fpfn = 0; placements.lpfn = adev->gmc.gart_size >> PAGE_SHIFT; - placements.flags = (bo->mem.placement & ~TTM_PL_MASK_MEM) | - TTM_PL_FLAG_TT; + placements.mem_type = TTM_PL_TT; + placements.flags = bo->mem.placement; r = ttm_bo_mem_space(bo, &placement, &tmp, &ctx); if (unlikely(r)) @@ -1255,11 +1209,11 @@ int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo) gtt->offset = (u64)tmp.start << PAGE_SHIFT; r = amdgpu_ttm_gart_bind(adev, bo, flags); if (unlikely(r)) { - ttm_bo_mem_put(bo, &tmp); + ttm_resource_free(bo, &tmp); return r; } - ttm_bo_mem_put(bo, &bo->mem); + ttm_resource_free(bo, &bo->mem); bo->mem = tmp; } @@ -1293,15 +1247,19 @@ int amdgpu_ttm_recover_gart(struct ttm_buffer_object *tbo) * Called by ttm_tt_unbind() on behalf of ttm_bo_move_ttm() and * ttm_tt_destroy(). */ -static void amdgpu_ttm_backend_unbind(struct ttm_tt *ttm) +static void amdgpu_ttm_backend_unbind(struct ttm_bo_device *bdev, + struct ttm_tt *ttm) { - struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev); + struct amdgpu_device *adev = amdgpu_ttm_adev(bdev); struct amdgpu_ttm_tt *gtt = (void *)ttm; int r; + if (!gtt->bound) + return; + /* if the pages have userptr pinning then clear that first */ if (gtt->userptr) - amdgpu_ttm_tt_unpin_userptr(ttm); + amdgpu_ttm_tt_unpin_userptr(bdev, ttm); if (gtt->offset == AMDGPU_BO_INVALID_OFFSET) return; @@ -1311,12 +1269,16 @@ static void amdgpu_ttm_backend_unbind(struct ttm_tt *ttm) if (r) DRM_ERROR("failed to unbind %lu pages at 0x%08llX\n", gtt->ttm.ttm.num_pages, gtt->offset); + gtt->bound = false; } -static void amdgpu_ttm_backend_destroy(struct ttm_tt *ttm) +static void amdgpu_ttm_backend_destroy(struct ttm_bo_device *bdev, + struct ttm_tt *ttm) { struct amdgpu_ttm_tt *gtt = (void *)ttm; + amdgpu_ttm_backend_unbind(bdev, ttm); + ttm_tt_destroy_common(bdev, ttm); if (gtt->usertask) put_task_struct(gtt->usertask); @@ -1324,12 +1286,6 @@ static void amdgpu_ttm_backend_destroy(struct ttm_tt *ttm) kfree(gtt); } -static struct ttm_backend_func amdgpu_backend_func = { - .bind = &amdgpu_ttm_backend_bind, - .unbind = &amdgpu_ttm_backend_unbind, - .destroy = &amdgpu_ttm_backend_destroy, -}; - /** * amdgpu_ttm_tt_create - Create a ttm_tt object for a given BO * @@ -1346,7 +1302,6 @@ static struct ttm_tt *amdgpu_ttm_tt_create(struct ttm_buffer_object *bo, if (gtt == NULL) { return NULL; } - gtt->ttm.ttm.func = &amdgpu_backend_func; gtt->gobj = &bo->base; /* allocate space for the uninitialized page entries */ @@ -1363,10 +1318,11 @@ static struct ttm_tt *amdgpu_ttm_tt_create(struct ttm_buffer_object *bo, * Map the pages of a ttm_tt object to an address space visible * to the underlying device. */ -static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm, - struct ttm_operation_ctx *ctx) +static int amdgpu_ttm_tt_populate(struct ttm_bo_device *bdev, + struct ttm_tt *ttm, + struct ttm_operation_ctx *ctx) { - struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev); + struct amdgpu_device *adev = amdgpu_ttm_adev(bdev); struct amdgpu_ttm_tt *gtt = (void *)ttm; /* user pages are bound by amdgpu_ttm_tt_pin_userptr() */ @@ -1376,7 +1332,7 @@ static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm, return -ENOMEM; ttm->page_flags |= TTM_PAGE_FLAG_SG; - ttm->state = tt_unbound; + ttm_tt_set_populated(ttm); return 0; } @@ -1396,7 +1352,7 @@ static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm, drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages, gtt->ttm.dma_address, ttm->num_pages); - ttm->state = tt_unbound; + ttm_tt_set_populated(ttm); return 0; } @@ -1417,7 +1373,7 @@ static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm, * Unmaps pages of a ttm_tt object from the device address space and * unpopulates the page array backing it. */ -static void amdgpu_ttm_tt_unpopulate(struct ttm_tt *ttm) +static void amdgpu_ttm_tt_unpopulate(struct ttm_bo_device *bdev, struct ttm_tt *ttm) { struct amdgpu_ttm_tt *gtt = (void *)ttm; struct amdgpu_device *adev; @@ -1441,7 +1397,7 @@ static void amdgpu_ttm_tt_unpopulate(struct ttm_tt *ttm) if (ttm->page_flags & TTM_PAGE_FLAG_SG) return; - adev = amdgpu_ttm_adev(ttm->bdev); + adev = amdgpu_ttm_adev(bdev); #ifdef CONFIG_SWIOTLB if (adev->need_swiotlb && swiotlb_nr_tbl()) { @@ -1458,21 +1414,26 @@ static void amdgpu_ttm_tt_unpopulate(struct ttm_tt *ttm) * amdgpu_ttm_tt_set_userptr - Initialize userptr GTT ttm_tt for the current * task * - * @ttm: The ttm_tt object to bind this userptr object to + * @bo: The ttm_buffer_object to bind this userptr to * @addr: The address in the current tasks VM space to use * @flags: Requirements of userptr object. * * Called by amdgpu_gem_userptr_ioctl() to bind userptr pages * to current task */ -int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr, - uint32_t flags) +int amdgpu_ttm_tt_set_userptr(struct ttm_buffer_object *bo, + uint64_t addr, uint32_t flags) { - struct amdgpu_ttm_tt *gtt = (void *)ttm; + struct amdgpu_ttm_tt *gtt; - if (gtt == NULL) - return -EINVAL; + if (!bo->ttm) { + /* TODO: We want a separate TTM object type for userptrs */ + bo->ttm = amdgpu_ttm_tt_create(bo, 0); + if (bo->ttm == NULL) + return -ENOMEM; + } + gtt = (void*)bo->ttm; gtt->userptr = addr; gtt->userflags = flags; @@ -1558,7 +1519,7 @@ bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm) * * Figure out the flags to use for a VM PDE (Page Directory Entry). */ -uint64_t amdgpu_ttm_tt_pde_flags(struct ttm_tt *ttm, struct ttm_mem_reg *mem) +uint64_t amdgpu_ttm_tt_pde_flags(struct ttm_tt *ttm, struct ttm_resource *mem) { uint64_t flags = 0; @@ -1584,7 +1545,7 @@ uint64_t amdgpu_ttm_tt_pde_flags(struct ttm_tt *ttm, struct ttm_mem_reg *mem) * Figure out the flags to use for a VM PTE (Page Table Entry). */ uint64_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm, - struct ttm_mem_reg *mem) + struct ttm_resource *mem) { uint64_t flags = amdgpu_ttm_tt_pde_flags(ttm, mem); @@ -1742,7 +1703,9 @@ 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, - .init_mem_type = &amdgpu_init_mem_type, + .ttm_tt_bind = &amdgpu_ttm_backend_bind, + .ttm_tt_unbind = &amdgpu_ttm_backend_unbind, + .ttm_tt_destroy = &amdgpu_ttm_backend_destroy, .eviction_valuable = amdgpu_ttm_bo_eviction_valuable, .evict_flags = &amdgpu_evict_flags, .move = &amdgpu_bo_move, @@ -1768,8 +1731,8 @@ static struct ttm_bo_driver amdgpu_bo_driver = { */ static void amdgpu_ttm_fw_reserve_vram_fini(struct amdgpu_device *adev) { - amdgpu_bo_free_kernel(&adev->fw_vram_usage.reserved_bo, - NULL, &adev->fw_vram_usage.va); + amdgpu_bo_free_kernel(&adev->mman.fw_vram_usage_reserved_bo, + NULL, &adev->mman.fw_vram_usage_va); } /** @@ -1783,19 +1746,19 @@ static int amdgpu_ttm_fw_reserve_vram_init(struct amdgpu_device *adev) { uint64_t vram_size = adev->gmc.visible_vram_size; - adev->fw_vram_usage.va = NULL; - adev->fw_vram_usage.reserved_bo = NULL; + adev->mman.fw_vram_usage_va = NULL; + adev->mman.fw_vram_usage_reserved_bo = NULL; - if (adev->fw_vram_usage.size == 0 || - adev->fw_vram_usage.size > vram_size) + if (adev->mman.fw_vram_usage_size == 0 || + adev->mman.fw_vram_usage_size > vram_size) return 0; return amdgpu_bo_create_kernel_at(adev, - adev->fw_vram_usage.start_offset, - adev->fw_vram_usage.size, + adev->mman.fw_vram_usage_start_offset, + adev->mman.fw_vram_usage_size, AMDGPU_GEM_DOMAIN_VRAM, - &adev->fw_vram_usage.reserved_bo, - &adev->fw_vram_usage.va); + &adev->mman.fw_vram_usage_reserved_bo, + &adev->mman.fw_vram_usage_va); } /* @@ -1827,7 +1790,7 @@ static void amdgpu_ttm_training_data_block_init(struct amdgpu_device *adev) memset(ctx, 0, sizeof(*ctx)); ctx->c2p_train_data_offset = - ALIGN((adev->gmc.mc_vram_size - adev->discovery_tmr_size - SZ_1M), SZ_1M); + ALIGN((adev->gmc.mc_vram_size - adev->mman.discovery_tmr_size - SZ_1M), SZ_1M); ctx->p2c_train_data_offset = (adev->gmc.mc_vram_size - GDDR6_MEM_TRAINING_OFFSET); ctx->train_data_size = @@ -1866,10 +1829,10 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev) * Otherwise, fallback to legacy approach to check and reserve tmr block for ip * discovery data and G6 memory training data respectively */ - adev->discovery_tmr_size = + adev->mman.discovery_tmr_size = amdgpu_atomfirmware_get_fw_reserved_fb_size(adev); - if (!adev->discovery_tmr_size) - adev->discovery_tmr_size = DISCOVERY_TMR_OFFSET; + if (!adev->mman.discovery_tmr_size) + adev->mman.discovery_tmr_size = DISCOVERY_TMR_OFFSET; if (mem_train_support) { /* reserve vram for mem train according to TMR location */ @@ -1889,14 +1852,14 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev) } ret = amdgpu_bo_create_kernel_at(adev, - adev->gmc.real_vram_size - adev->discovery_tmr_size, - adev->discovery_tmr_size, + adev->gmc.real_vram_size - adev->mman.discovery_tmr_size, + adev->mman.discovery_tmr_size, AMDGPU_GEM_DOMAIN_VRAM, - &adev->discovery_memory, + &adev->mman.discovery_memory, NULL); if (ret) { DRM_ERROR("alloc tmr failed(%d)!\n", ret); - amdgpu_bo_free_kernel(&adev->discovery_memory, NULL, NULL); + amdgpu_bo_free_kernel(&adev->mman.discovery_memory, NULL, NULL); return ret; } @@ -1917,15 +1880,14 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) uint64_t gtt_size; int r; u64 vis_vram_limit; - void *stolen_vga_buf; mutex_init(&adev->mman.gtt_window_lock); /* No others user of address space so set it to 0 */ r = ttm_bo_device_init(&adev->mman.bdev, &amdgpu_bo_driver, - adev->ddev->anon_inode->i_mapping, - adev->ddev->vma_offset_manager, + adev_to_drm(adev)->anon_inode->i_mapping, + adev_to_drm(adev)->vma_offset_manager, dma_addressing_limited(adev->dev)); if (r) { DRM_ERROR("failed initializing buffer object driver(%d).\n", r); @@ -1937,8 +1899,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) adev->mman.bdev.no_retry = true; /* Initialize VRAM pool with all of VRAM divided into pages */ - r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_VRAM, - adev->gmc.real_vram_size >> PAGE_SHIFT); + r = amdgpu_vram_mgr_init(adev); if (r) { DRM_ERROR("Failed initializing VRAM heap.\n"); return r; @@ -1971,7 +1932,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) * If IP discovery enabled, a block of memory should be * reserved for IP discovey. */ - if (adev->discovery_bin) { + if (adev->mman.discovery_bin) { r = amdgpu_ttm_reserve_tmr(adev); if (r) return r; @@ -1981,10 +1942,17 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) * This is used for VGA emulation and pre-OS scanout buffers to * avoid display artifacts while transitioning between pre-OS * and driver. */ - r = amdgpu_bo_create_kernel(adev, adev->gmc.stolen_size, PAGE_SIZE, - AMDGPU_GEM_DOMAIN_VRAM, - &adev->stolen_vga_memory, - NULL, &stolen_vga_buf); + r = amdgpu_bo_create_kernel_at(adev, 0, adev->mman.stolen_vga_size, + AMDGPU_GEM_DOMAIN_VRAM, + &adev->mman.stolen_vga_memory, + NULL); + if (r) + return r; + r = amdgpu_bo_create_kernel_at(adev, adev->mman.stolen_vga_size, + adev->mman.stolen_extended_size, + AMDGPU_GEM_DOMAIN_VRAM, + &adev->mman.stolen_extended_memory, + NULL); if (r) return r; @@ -2005,7 +1973,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) gtt_size = (uint64_t)amdgpu_gtt_size << 20; /* Initialize GTT memory pool */ - r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_TT, gtt_size >> PAGE_SHIFT); + r = amdgpu_gtt_mgr_init(adev, gtt_size); if (r) { DRM_ERROR("Failed initializing GTT heap.\n"); return r; @@ -2014,22 +1982,19 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) (unsigned)(gtt_size / (1024 * 1024))); /* Initialize various on-chip memory pools */ - r = ttm_bo_init_mm(&adev->mman.bdev, AMDGPU_PL_GDS, - adev->gds.gds_size); + r = amdgpu_ttm_init_on_chip(adev, AMDGPU_PL_GDS, adev->gds.gds_size); if (r) { DRM_ERROR("Failed initializing GDS heap.\n"); return r; } - r = ttm_bo_init_mm(&adev->mman.bdev, AMDGPU_PL_GWS, - adev->gds.gws_size); + r = amdgpu_ttm_init_on_chip(adev, AMDGPU_PL_GWS, adev->gds.gws_size); if (r) { DRM_ERROR("Failed initializing gws heap.\n"); return r; } - r = ttm_bo_init_mm(&adev->mman.bdev, AMDGPU_PL_OA, - adev->gds.oa_size); + r = amdgpu_ttm_init_on_chip(adev, AMDGPU_PL_OA, adev->gds.oa_size); if (r) { DRM_ERROR("Failed initializing oa heap.\n"); return r; @@ -2043,9 +2008,10 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) */ void amdgpu_ttm_late_init(struct amdgpu_device *adev) { - void *stolen_vga_buf; /* return the VGA stolen memory (if any) back to VRAM */ - amdgpu_bo_free_kernel(&adev->stolen_vga_memory, NULL, &stolen_vga_buf); + if (!adev->mman.keep_stolen_vga_memory) + amdgpu_bo_free_kernel(&adev->mman.stolen_vga_memory, NULL, NULL); + amdgpu_bo_free_kernel(&adev->mman.stolen_extended_memory, NULL, NULL); } /** @@ -2057,19 +2023,22 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev) return; amdgpu_ttm_training_reserve_vram_fini(adev); + /* return the stolen vga memory back to VRAM */ + if (adev->mman.keep_stolen_vga_memory) + amdgpu_bo_free_kernel(&adev->mman.stolen_vga_memory, NULL, NULL); /* return the IP Discovery TMR memory back to VRAM */ - amdgpu_bo_free_kernel(&adev->discovery_memory, NULL, NULL); + amdgpu_bo_free_kernel(&adev->mman.discovery_memory, NULL, NULL); amdgpu_ttm_fw_reserve_vram_fini(adev); if (adev->mman.aper_base_kaddr) iounmap(adev->mman.aper_base_kaddr); adev->mman.aper_base_kaddr = NULL; - ttm_bo_clean_mm(&adev->mman.bdev, TTM_PL_VRAM); - ttm_bo_clean_mm(&adev->mman.bdev, TTM_PL_TT); - ttm_bo_clean_mm(&adev->mman.bdev, AMDGPU_PL_GDS); - ttm_bo_clean_mm(&adev->mman.bdev, AMDGPU_PL_GWS); - ttm_bo_clean_mm(&adev->mman.bdev, AMDGPU_PL_OA); + amdgpu_vram_mgr_fini(adev); + amdgpu_gtt_mgr_fini(adev); + ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_GDS); + ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_GWS); + ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_OA); ttm_bo_device_release(&adev->mman.bdev); adev->mman.initialized = false; DRM_INFO("amdgpu: ttm finalized\n"); @@ -2086,11 +2055,11 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev) */ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable) { - struct ttm_mem_type_manager *man = &adev->mman.bdev.man[TTM_PL_VRAM]; + struct ttm_resource_manager *man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM); uint64_t size; int r; - if (!adev->mman.initialized || adev->in_gpu_reset || + if (!adev->mman.initialized || amdgpu_in_reset(adev) || adev->mman.buffer_funcs_enabled == enable) return; @@ -2101,7 +2070,7 @@ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable) ring = adev->mman.buffer_funcs_ring; sched = &ring->sched; r = drm_sched_entity_init(&adev->mman.entity, - DRM_SCHED_PRIORITY_KERNEL, &sched, + DRM_SCHED_PRIORITY_KERNEL, &sched, 1, NULL); if (r) { DRM_ERROR("Failed setting up TTM BO move entity (%d)\n", @@ -2126,7 +2095,7 @@ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable) int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma) { struct drm_file *file_priv = filp->private_data; - struct amdgpu_device *adev = file_priv->minor->dev->dev_private; + struct amdgpu_device *adev = drm_to_adev(file_priv->minor->dev); if (adev == NULL) return -EINVAL; @@ -2307,8 +2276,8 @@ static int amdgpu_mm_dump_table(struct seq_file *m, void *data) struct drm_info_node *node = (struct drm_info_node *)m->private; unsigned ttm_pl = (uintptr_t)node->info_ent->data; struct drm_device *dev = node->minor->dev; - struct amdgpu_device *adev = dev->dev_private; - struct ttm_mem_type_manager *man = &adev->mman.bdev.man[ttm_pl]; + struct amdgpu_device *adev = drm_to_adev(dev); + struct ttm_resource_manager *man = ttm_manager_type(&adev->mman.bdev, ttm_pl); struct drm_printer p = drm_seq_file_printer(m); man->func->debug(man, &p); @@ -2598,7 +2567,7 @@ int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev) #if defined(CONFIG_DEBUG_FS) unsigned count; - struct drm_minor *minor = adev->ddev->primary; + struct drm_minor *minor = adev_to_drm(adev)->primary; struct dentry *ent, *root = minor->debugfs_root; for (count = 0; count < ARRAY_SIZE(ttm_debugfs_entries); count++) { |