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// SPDX-License-Identifier: MIT
/*
* Copyright (C) 2013-2017 Oracle Corporation
* This file is based on ast_ttm.c
* Copyright 2012 Red Hat Inc.
* Authors: Dave Airlie <airlied@redhat.com>
* Michael Thayer <michael.thayer@oracle.com>
*/
#include <linux/pci.h>
#include <drm/drm_file.h>
#include "vbox_drv.h"
int vbox_mm_init(struct vbox_private *vbox)
{
int ret;
resource_size_t base, size;
struct drm_device *dev = &vbox->ddev;
struct pci_dev *pdev = to_pci_dev(dev->dev);
base = pci_resource_start(pdev, 0);
size = pci_resource_len(pdev, 0);
/* Don't fail on errors, but performance might be reduced. */
devm_arch_phys_wc_add(&pdev->dev, base, size);
ret = drmm_vram_helper_init(dev, base, vbox->available_vram_size);
if (ret) {
DRM_ERROR("Error initializing VRAM MM; %d\n", ret);
return ret;
}
return 0;
}
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