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