linux/drivers/video/fbdev/core/fb_info.c

// SPDX-License-Identifier: GPL-2.0-or-later

#include <linux/export.h>
#include <linux/fb.h>
#include <linux/mutex.h>
#include <linux/slab.h>

/**
 * framebuffer_alloc - creates a new frame buffer info structure
 *
 * @size: size of driver private data, can be zero
 * @dev: pointer to the device for this fb, this can be NULL
 *
 * Creates a new frame buffer info structure. Also reserves @size bytes
 * for driver private data (info->par). info->par (if any) will be
 * aligned to sizeof(long). The new instances of struct fb_info and
 * the driver private data are both cleared to zero.
 *
 * Returns the new structure, or NULL if an error occurred.
 *
 */
struct fb_info *framebuffer_alloc(size_t size, struct device *dev)
{ … }
EXPORT_SYMBOL(…);

/**
 * framebuffer_release - marks the structure available for freeing
 *
 * @info: frame buffer info structure
 *
 * Drop the reference count of the device embedded in the
 * framebuffer info structure.
 *
 */
void framebuffer_release(struct fb_info *info)
{ … }
EXPORT_SYMBOL(…);