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29160591 TZ |
1 | /* SPDX-License-Identifier: MIT */ |
2 | ||
3 | #ifndef _DRM_APERTURE_H_ | |
4 | #define _DRM_APERTURE_H_ | |
5 | ||
6 | #include <linux/types.h> | |
7 | ||
730e7992 | 8 | struct drm_device; |
97c9bfe3 | 9 | struct drm_driver; |
29160591 TZ |
10 | struct pci_dev; |
11 | ||
730e7992 TZ |
12 | int devm_aperture_acquire_from_firmware(struct drm_device *dev, resource_size_t base, |
13 | resource_size_t size); | |
14 | ||
29160591 | 15 | int drm_aperture_remove_conflicting_framebuffers(resource_size_t base, resource_size_t size, |
97c9bfe3 | 16 | bool primary, const struct drm_driver *req_driver); |
29160591 | 17 | |
97c9bfe3 TZ |
18 | int drm_aperture_remove_conflicting_pci_framebuffers(struct pci_dev *pdev, |
19 | const struct drm_driver *req_driver); | |
29160591 TZ |
20 | |
21 | /** | |
22 | * drm_aperture_remove_framebuffers - remove all existing framebuffers | |
23 | * @primary: also kick vga16fb if present | |
97c9bfe3 | 24 | * @req_driver: requesting DRM driver |
29160591 TZ |
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 | */ | |
97c9bfe3 TZ |
32 | static inline int |
33 | drm_aperture_remove_framebuffers(bool primary, const struct drm_driver *req_driver) | |
29160591 | 34 | { |
97c9bfe3 TZ |
35 | return drm_aperture_remove_conflicting_framebuffers(0, (resource_size_t)-1, primary, |
36 | req_driver); | |
29160591 TZ |
37 | } |
38 | ||
39 | #endif |