android_kernel_samsung_sm8650/include/drm/drm_aperture.h
Greg Kroah-Hartman 6603cc468d Revert "drm/aperture: Remove primary argument"
This reverts commit 437e99f2a1 which is
commit 62aeaeaa1b267c5149abee6b45967a5df3feed58 upstream.

It breaks the Android ABI and can be brought back later in an abi-safe
way if needed.

Bug: 161946584
Change-Id: I04e3476f9417cb019108f2bbb3dd277691ca027d
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2023-11-01 14:38:16 +00:00

40 lines
1.1 KiB
C

/* 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