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