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 pci_dev; 10 11 int devm_aperture_acquire_from_firmware(struct drm_device *dev, resource_size_t base, 12 resource_size_t size); 13 14 int drm_aperture_remove_conflicting_framebuffers(resource_size_t base, resource_size_t size, 15 bool primary, const char *name); 16 17 int drm_aperture_remove_conflicting_pci_framebuffers(struct pci_dev *pdev, const char *name); 18 19 /** 20 * drm_aperture_remove_framebuffers - remove all existing framebuffers 21 * @primary: also kick vga16fb if present 22 * @name: requesting driver name 23 * 24 * This function removes all graphics device drivers. Use this function on systems 25 * that can have their framebuffer located anywhere in memory. 26 * 27 * Returns: 28 * 0 on success, or a negative errno code otherwise 29 */ 30 static inline int drm_aperture_remove_framebuffers(bool primary, const char *name) 31 { 32 return drm_aperture_remove_conflicting_framebuffers(0, (resource_size_t)-1, primary, name); 33 } 34 35 #endif 36