1 | /* SPDX-License-Identifier: MIT */ |
2 | |
3 | #ifndef _DRM_APERTURE_H_ |
4 | #define _DRM_APERTURE_H_ |
5 | |
6 | #include <linux/types.h> |
7 | |
8 | struct drm_device; |
9 | struct drm_driver; |
10 | struct pci_dev; |
11 | |
12 | int devm_aperture_acquire_from_firmware(struct drm_device *dev, resource_size_t base, |
13 | resource_size_t size); |
14 | |
15 | int drm_aperture_remove_conflicting_framebuffers(resource_size_t base, resource_size_t size, |
16 | const struct drm_driver *req_driver); |
17 | |
18 | int 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 | */ |
31 | static inline int |
32 | drm_aperture_remove_framebuffers(const struct drm_driver *req_driver) |
33 | { |
34 | return drm_aperture_remove_conflicting_framebuffers(base: 0, size: (resource_size_t)-1, |
35 | req_driver); |
36 | } |
37 | |
38 | #endif |
39 | |