40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/* SPDX-License-Identifier: MIT */
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#ifndef _DRM_APERTURE_H_
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#define _DRM_APERTURE_H_
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#include <linux/types.h>
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struct drm_device;
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struct drm_driver;
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struct pci_dev;
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int devm_aperture_acquire_from_firmware(struct drm_device *dev, resource_size_t base,
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resource_size_t size);
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int drm_aperture_remove_conflicting_framebuffers(resource_size_t base, resource_size_t size,
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bool primary, const struct drm_driver *req_driver);
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int drm_aperture_remove_conflicting_pci_framebuffers(struct pci_dev *pdev,
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const struct drm_driver *req_driver);
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/**
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* drm_aperture_remove_framebuffers - remove all existing framebuffers
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* @primary: also kick vga16fb if present
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* @req_driver: requesting DRM driver
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*
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* This function removes all graphics device drivers. Use this function on systems
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* that can have their framebuffer located anywhere in memory.
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*
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* Returns:
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* 0 on success, or a negative errno code otherwise
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*/
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static inline int
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drm_aperture_remove_framebuffers(bool primary, const struct drm_driver *req_driver)
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{
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return drm_aperture_remove_conflicting_framebuffers(0, (resource_size_t)-1, primary,
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req_driver);
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}
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#endif
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