linux/drivers/gpu/drm/drm_displayid.c

// SPDX-License-Identifier: MIT
/*
 * Copyright © 2021 Intel Corporation
 */

#include <drm/drm_edid.h>
#include <drm/drm_print.h>

#include "drm_crtc_internal.h"
#include "drm_displayid_internal.h"

static const struct displayid_header *
displayid_get_header(const u8 *displayid, int length, int index)
{ … }

static const struct displayid_header *
validate_displayid(const u8 *displayid, int length, int idx)
{ … }

static const u8 *drm_find_displayid_extension(const struct drm_edid *drm_edid,
					      int *length, int *idx,
					      int *ext_index)
{ … }

void displayid_iter_edid_begin(const struct drm_edid *drm_edid,
			       struct displayid_iter *iter)
{ … }

static const struct displayid_block *
displayid_iter_block(const struct displayid_iter *iter)
{ … }

const struct displayid_block *
__displayid_iter_next(struct displayid_iter *iter)
{ … }

void displayid_iter_end(struct displayid_iter *iter)
{ … }

/* DisplayID Structure Version/Revision from the Base Section. */
u8 displayid_version(const struct displayid_iter *iter)
{ … }

/*
 * DisplayID Primary Use Case (2.0+) or Product Type Identifier (1.0-1.3) from
 * the Base Section.
 */
u8 displayid_primary_use(const struct displayid_iter *iter)
{ … }