include/drm/drm_aperture.h

   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