Cregit: Linux 6.3: vbox

Contributors: 5
Author	Tokens	Token Proportion	Commits	Commit Proportion
Thomas Zimmermann	56	49.12%	3	27.27%
Hans de Goede	54	47.37%	5	45.45%
Daniel Vetter	2	1.75%	1	9.09%
Tian Tao	1	0.88%	1	9.09%
Fabio Rafael da Rosa	1	0.88%	1	9.09%
Total	114		11

// 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;
}

vbox_ttm.c