From c777dc9e793342ecdfc95045d2127a3ea32791a0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Fri, 5 Feb 2021 16:17:07 +0100 Subject: [PATCH] drm/ttm: move the page_alignment into the BO v2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The alignment is a constant property and shouldn't change. v2: move documentation as well as suggested by Matthew. Signed-off-by: Christian König Reviewed-by: Matthew Auld Link: https://patchwork.freedesktop.org/patch/msgid/20210413135248.1266-4-christian.koenig@amd.com --- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 5 +++-- drivers/gpu/drm/radeon/radeon_object.h | 2 +- drivers/gpu/drm/ttm/ttm_bo.c | 3 +-- drivers/gpu/drm/ttm/ttm_range_manager.c | 5 ++--- drivers/gpu/drm/vmwgfx/vmwgfx_thp.c | 15 ++++++++------- include/drm/ttm/ttm_bo_api.h | 2 ++ include/drm/ttm/ttm_resource.h | 2 -- 10 files changed, 20 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index b443907afcea..f1c397be383d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -763,7 +763,7 @@ int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data, void __user *out = u64_to_user_ptr(args->value); info.bo_size = robj->tbo.base.size; - info.alignment = robj->tbo.mem.page_alignment << PAGE_SHIFT; + info.alignment = robj->tbo.page_alignment << PAGE_SHIFT; info.domains = robj->preferred_domains; info.domain_flags = robj->flags; amdgpu_bo_unreserve(robj); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c index 8980329cded0..cc48dfa83fe1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c @@ -207,7 +207,7 @@ static int amdgpu_gtt_mgr_new(struct ttm_resource_manager *man, spin_lock(&mgr->lock); r = drm_mm_insert_node_in_range(&mgr->mm, &node->node, mem->num_pages, - mem->page_alignment, 0, place->fpfn, + tbo->page_alignment, 0, place->fpfn, place->lpfn, DRM_MM_INSERT_BEST); spin_unlock(&mgr->lock); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 9ac37569823f..ae4a68db87c0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -184,7 +184,7 @@ static inline unsigned amdgpu_bo_ngpu_pages(struct amdgpu_bo *bo) static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo) { - return (bo->tbo.mem.page_alignment << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE; + return (bo->tbo.page_alignment << PAGE_SHIFT) / AMDGPU_GPU_PAGE_SIZE; } /** diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c index c89b66bb70e2..a472de7eba3e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c @@ -451,7 +451,8 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man, /* default to 2MB */ pages_per_node = (2UL << (20UL - PAGE_SHIFT)); #endif - pages_per_node = max((uint32_t)pages_per_node, mem->page_alignment); + pages_per_node = max((uint32_t)pages_per_node, + tbo->page_alignment); num_nodes = DIV_ROUND_UP(mem->num_pages, pages_per_node); } @@ -490,7 +491,7 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man, for (; pages_left; ++i) { unsigned long pages = min(pages_left, pages_per_node); - uint32_t alignment = mem->page_alignment; + uint32_t alignment = tbo->page_alignment; if (pages == pages_per_node) alignment = pages_per_node; diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h index 9896d8231fe5..fd4116bdde0f 100644 --- a/drivers/gpu/drm/radeon/radeon_object.h +++ b/drivers/gpu/drm/radeon/radeon_object.h @@ -119,7 +119,7 @@ static inline unsigned radeon_bo_ngpu_pages(struct radeon_bo *bo) static inline unsigned radeon_bo_gpu_page_alignment(struct radeon_bo *bo) { - return (bo->tbo.mem.page_alignment << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE; + return (bo->tbo.page_alignment << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE; } /** diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 5b332206c1ac..df63a07a70de 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -903,7 +903,6 @@ static int ttm_bo_move_buffer(struct ttm_buffer_object *bo, memset(&hop, 0, sizeof(hop)); mem.num_pages = PAGE_ALIGN(bo->base.size) >> PAGE_SHIFT; - mem.page_alignment = bo->mem.page_alignment; mem.bus.offset = 0; mem.bus.addr = NULL; mem.mm_node = NULL; @@ -1038,10 +1037,10 @@ int ttm_bo_init_reserved(struct ttm_device *bdev, INIT_LIST_HEAD(&bo->ddestroy); bo->bdev = bdev; bo->type = type; + bo->page_alignment = page_alignment; bo->mem.mem_type = TTM_PL_SYSTEM; bo->mem.num_pages = PAGE_ALIGN(size) >> PAGE_SHIFT; bo->mem.mm_node = NULL; - bo->mem.page_alignment = page_alignment; bo->mem.bus.offset = 0; bo->mem.bus.addr = NULL; bo->moving = NULL; diff --git a/drivers/gpu/drm/ttm/ttm_range_manager.c b/drivers/gpu/drm/ttm/ttm_range_manager.c index b1e3f30f7e2d..b9d5da6e6a81 100644 --- a/drivers/gpu/drm/ttm/ttm_range_manager.c +++ b/drivers/gpu/drm/ttm/ttm_range_manager.c @@ -79,9 +79,8 @@ static int ttm_range_man_alloc(struct ttm_resource_manager *man, mode = DRM_MM_INSERT_HIGH; spin_lock(&rman->lock); - ret = drm_mm_insert_node_in_range(mm, node, - mem->num_pages, - mem->page_alignment, 0, + ret = drm_mm_insert_node_in_range(mm, node, mem->num_pages, + bo->page_alignment, 0, place->fpfn, lpfn, mode); spin_unlock(&rman->lock); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c b/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c index eb63cbe64909..5ccc35b3194c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c @@ -28,15 +28,16 @@ static struct vmw_thp_manager *to_thp_manager(struct ttm_resource_manager *man) static const struct ttm_resource_manager_func vmw_thp_func; -static int vmw_thp_insert_aligned(struct drm_mm *mm, struct drm_mm_node *node, +static int vmw_thp_insert_aligned(struct ttm_buffer_object *bo, + struct drm_mm *mm, struct drm_mm_node *node, unsigned long align_pages, const struct ttm_place *place, struct ttm_resource *mem, unsigned long lpfn, enum drm_mm_insert_mode mode) { - if (align_pages >= mem->page_alignment && - (!mem->page_alignment || align_pages % mem->page_alignment == 0)) { + if (align_pages >= bo->page_alignment && + (!bo->page_alignment || align_pages % bo->page_alignment == 0)) { return drm_mm_insert_node_in_range(mm, node, mem->num_pages, align_pages, 0, @@ -75,7 +76,7 @@ static int vmw_thp_get_node(struct ttm_resource_manager *man, if (IS_ENABLED(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD)) { align_pages = (HPAGE_PUD_SIZE >> PAGE_SHIFT); if (mem->num_pages >= align_pages) { - ret = vmw_thp_insert_aligned(mm, node, align_pages, + ret = vmw_thp_insert_aligned(bo, mm, node, align_pages, place, mem, lpfn, mode); if (!ret) goto found_unlock; @@ -84,14 +85,14 @@ static int vmw_thp_get_node(struct ttm_resource_manager *man, align_pages = (HPAGE_PMD_SIZE >> PAGE_SHIFT); if (mem->num_pages >= align_pages) { - ret = vmw_thp_insert_aligned(mm, node, align_pages, place, mem, - lpfn, mode); + ret = vmw_thp_insert_aligned(bo, mm, node, align_pages, place, + mem, lpfn, mode); if (!ret) goto found_unlock; } ret = drm_mm_insert_node_in_range(mm, node, mem->num_pages, - mem->page_alignment, 0, + bo->page_alignment, 0, place->fpfn, lpfn, mode); found_unlock: spin_unlock(&rman->lock); diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index e88da481a976..0d727a091e23 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -86,6 +86,7 @@ struct ttm_tt; * @base: drm_gem_object superclass data. * @bdev: Pointer to the buffer object device structure. * @type: The bo type. + * @page_alignment: Page alignment. * @destroy: Destruction function. If NULL, kfree is used. * @num_pages: Actual number of pages. * @kref: Reference count of this buffer object. When this refcount reaches @@ -123,6 +124,7 @@ struct ttm_buffer_object { struct ttm_device *bdev; enum ttm_bo_type type; + uint32_t page_alignment; void (*destroy) (struct ttm_buffer_object *); /** diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h index 6164ccf4f308..890b9d369519 100644 --- a/include/drm/ttm/ttm_resource.h +++ b/include/drm/ttm/ttm_resource.h @@ -161,7 +161,6 @@ struct ttm_bus_placement { * @mm_node: Memory manager node. * @size: Requested size of memory region. * @num_pages: Actual size of memory region in pages. - * @page_alignment: Page alignment. * @placement: Placement flags. * @bus: Placement on io bus accessible to the CPU * @@ -172,7 +171,6 @@ struct ttm_resource { void *mm_node; unsigned long start; unsigned long num_pages; - uint32_t page_alignment; uint32_t mem_type; uint32_t placement; struct ttm_bus_placement bus;