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/* 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