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