1/* SPDX-License-Identifier: MIT */
 2
 3#ifndef _DRM_APERTURE_H_
 4#define _DRM_APERTURE_H_
 5
 6#include <linux/types.h>
 7
 8struct drm_device;
 9struct drm_driver;
10struct pci_dev;
11
12int devm_aperture_acquire_from_firmware(struct drm_device *dev, resource_size_t base,
13					resource_size_t size);
14
15int drm_aperture_remove_conflicting_framebuffers(resource_size_t base, resource_size_t size,
16						 bool primary, const struct drm_driver *req_driver);
17
18int drm_aperture_remove_conflicting_pci_framebuffers(struct pci_dev *pdev,
19						     const struct drm_driver *req_driver);
20
21/**
22 * drm_aperture_remove_framebuffers - remove all existing framebuffers
23 * @primary: also kick vga16fb if present
24 * @req_driver: requesting DRM driver
25 *
26 * This function removes all graphics device drivers. Use this function on systems
27 * that can have their framebuffer located anywhere in memory.
28 *
29 * Returns:
30 * 0 on success, or a negative errno code otherwise
31 */
32static inline int
33drm_aperture_remove_framebuffers(bool primary, const struct drm_driver *req_driver)
34{
35	return drm_aperture_remove_conflicting_framebuffers(0, (resource_size_t)-1, primary,
36							    req_driver);
37}
38
39#endif

 1/* SPDX-License-Identifier: MIT */
 2
 3#ifndef _DRM_APERTURE_H_
 4#define _DRM_APERTURE_H_
 5
 6#include <linux/types.h>
 7
 8struct drm_device;
 9struct drm_driver;
10struct pci_dev;
11
12int devm_aperture_acquire_from_firmware(struct drm_device *dev, resource_size_t base,
13					resource_size_t size);
14
15int drm_aperture_remove_conflicting_framebuffers(resource_size_t base, resource_size_t size,
16						 const struct drm_driver *req_driver);
17
18int drm_aperture_remove_conflicting_pci_framebuffers(struct pci_dev *pdev,
19						     const struct drm_driver *req_driver);
20
21/**
22 * drm_aperture_remove_framebuffers - remove all existing framebuffers
 
23 * @req_driver: requesting DRM driver
24 *
25 * This function removes all graphics device drivers. Use this function on systems
26 * that can have their framebuffer located anywhere in memory.
27 *
28 * Returns:
29 * 0 on success, or a negative errno code otherwise
30 */
31static inline int
32drm_aperture_remove_framebuffers(const struct drm_driver *req_driver)
33{
34	return drm_aperture_remove_conflicting_framebuffers(0, (resource_size_t)-1,
35							    req_driver);
36}
37
38#endif