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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2025 BayLibre, SAS
*/
#include <command.h>
#include <dm.h>
#include <display.h>
#include <edid.h>
static int do_read_edid(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
{
struct udevice *dev;
int ret;
u8 edid[EDID_EXT_SIZE];
/* Get the first display device (UCLASS_DISPLAY) */
ret = uclass_first_device_err(UCLASS_DISPLAY, &dev);
if (ret) {
printf("Cannot get display device: %d\n", ret);
return CMD_RET_FAILURE;
}
ret = display_read_edid(dev, edid, EDID_EXT_SIZE);
if (ret) {
printf("Cannot read edid: %d\n", ret);
return CMD_RET_FAILURE;
}
edid_print_info((struct edid1_info *)edid);
return CMD_RET_SUCCESS;
}
U_BOOT_CMD(read_edid, 1, 0, do_read_edid,
"Read and print EDID from display",
""
);
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