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Thomas Zimmermann29160592021-04-12 15:10:41 +02001/* SPDX-License-Identifier: MIT */
2
3#ifndef _DRM_APERTURE_H_
4#define _DRM_APERTURE_H_
5
6#include <linux/types.h>
7
Thomas Zimmermann730e7992021-04-30 12:58:34 +02008struct drm_device;
Thomas Zimmermann29160592021-04-12 15:10:41 +02009struct pci_dev;
10
Thomas Zimmermann730e7992021-04-30 12:58:34 +020011int devm_aperture_acquire_from_firmware(struct drm_device *dev, resource_size_t base,
12 resource_size_t size);
13
Thomas Zimmermann29160592021-04-12 15:10:41 +020014int drm_aperture_remove_conflicting_framebuffers(resource_size_t base, resource_size_t size,
15 bool primary, const char *name);
16
17int drm_aperture_remove_conflicting_pci_framebuffers(struct pci_dev *pdev, const char *name);
18
19/**
20 * drm_aperture_remove_framebuffers - remove all existing framebuffers
21 * @primary: also kick vga16fb if present
22 * @name: requesting driver name
23 *
24 * This function removes all graphics device drivers. Use this function on systems
25 * that can have their framebuffer located anywhere in memory.
26 *
27 * Returns:
28 * 0 on success, or a negative errno code otherwise
29 */
30static inline int drm_aperture_remove_framebuffers(bool primary, const char *name)
31{
32 return drm_aperture_remove_conflicting_framebuffers(0, (resource_size_t)-1, primary, name);
33}
34
35#endif