1 // SPDX-License-Identifier: MIT
3 * Copyright (C) 2013-2017 Oracle Corporation
4 * This file is based on ast_ttm.c
5 * Copyright 2012 Red Hat Inc.
10 #include <drm/drm_file.h>
13 int vbox_mm_init(struct vbox_private *vbox)
16 struct drm_device *dev = &vbox->ddev;
17 struct pci_dev *pdev = to_pci_dev(dev->dev);
19 ret = drmm_vram_helper_init(dev, pci_resource_start(pdev, 0),
20 vbox->available_vram_size);
22 DRM_ERROR("Error initializing VRAM MM; %d\n", ret);
26 vbox->fb_mtrr = arch_phys_wc_add(pci_resource_start(pdev, 0),
27 pci_resource_len(pdev, 0));
31 void vbox_mm_fini(struct vbox_private *vbox)
33 arch_phys_wc_del(vbox->fb_mtrr);