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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_resource.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_resource.c35
1 files changed, 1 insertions, 34 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 86c5e4cceb31..2eb84a55aee7 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -1517,29 +1517,10 @@ out_bad_surface:
1517/** 1517/**
1518 * Buffer management. 1518 * Buffer management.
1519 */ 1519 */
1520
1521static size_t vmw_dmabuf_acc_size(struct ttm_bo_global *glob,
1522 unsigned long num_pages)
1523{
1524 static size_t bo_user_size = ~0;
1525
1526 size_t page_array_size =
1527 (num_pages * sizeof(void *) + PAGE_SIZE - 1) & PAGE_MASK;
1528
1529 if (unlikely(bo_user_size == ~0)) {
1530 bo_user_size = glob->ttm_bo_extra_size +
1531 ttm_round_pot(sizeof(struct vmw_dma_buffer));
1532 }
1533
1534 return bo_user_size + page_array_size;
1535}
1536
1537void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo) 1520void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo)
1538{ 1521{
1539 struct vmw_dma_buffer *vmw_bo = vmw_dma_buffer(bo); 1522 struct vmw_dma_buffer *vmw_bo = vmw_dma_buffer(bo);
1540 struct ttm_bo_global *glob = bo->glob;
1541 1523
1542 ttm_mem_global_free(glob->mem_glob, bo->acc_size);
1543 kfree(vmw_bo); 1524 kfree(vmw_bo);
1544} 1525}
1545 1526
@@ -1550,24 +1531,12 @@ int vmw_dmabuf_init(struct vmw_private *dev_priv,
1550 void (*bo_free) (struct ttm_buffer_object *bo)) 1531 void (*bo_free) (struct ttm_buffer_object *bo))
1551{ 1532{
1552 struct ttm_bo_device *bdev = &dev_priv->bdev; 1533 struct ttm_bo_device *bdev = &dev_priv->bdev;
1553 struct ttm_mem_global *mem_glob = bdev->glob->mem_glob;
1554 size_t acc_size; 1534 size_t acc_size;
1555 int ret; 1535 int ret;
1556 1536
1557 BUG_ON(!bo_free); 1537 BUG_ON(!bo_free);
1558 1538
1559 acc_size = 1539 acc_size = ttm_bo_acc_size(bdev, size, sizeof(struct vmw_dma_buffer));
1560 vmw_dmabuf_acc_size(bdev->glob,
1561 (size + PAGE_SIZE - 1) >> PAGE_SHIFT);
1562
1563 ret = ttm_mem_global_alloc(mem_glob, acc_size, false, false);
1564 if (unlikely(ret != 0)) {
1565 /* we must free the bo here as
1566 * ttm_buffer_object_init does so as well */
1567 bo_free(&vmw_bo->base);
1568 return ret;
1569 }
1570
1571 memset(vmw_bo, 0, sizeof(*vmw_bo)); 1540 memset(vmw_bo, 0, sizeof(*vmw_bo));
1572 1541
1573 INIT_LIST_HEAD(&vmw_bo->validate_list); 1542 INIT_LIST_HEAD(&vmw_bo->validate_list);
@@ -1582,9 +1551,7 @@ int vmw_dmabuf_init(struct vmw_private *dev_priv,
1582static void vmw_user_dmabuf_destroy(struct ttm_buffer_object *bo) 1551static void vmw_user_dmabuf_destroy(struct ttm_buffer_object *bo)
1583{ 1552{
1584 struct vmw_user_dma_buffer *vmw_user_bo = vmw_user_dma_buffer(bo); 1553 struct vmw_user_dma_buffer *vmw_user_bo = vmw_user_dma_buffer(bo);
1585 struct ttm_bo_global *glob = bo->glob;
1586 1554
1587 ttm_mem_global_free(glob->mem_glob, bo->acc_size);
1588 kfree(vmw_user_bo); 1555 kfree(vmw_user_bo);
1589} 1556}
1590 1557