---
name: "drm_edid_block_valid"
section: "9"
platform: "linux"
package: "linux-manual-3.16"
version: "3.16.56-1+deb8u1"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/drm_edid_block_valid"
---

# drm\_edid\_block\_valid(9)

Sanity check the EDID block (base or extension)

## NAME

drm\_edid\_block\_valid - Sanity check the EDID block (base or extension)

## SYNOPSIS

**bool drm\_edid\_block\_valid(u8 \*** *raw\_edid***, int** *block***, bool** *print\_bad\_edid***);**

## ARGUMENTS

*raw\_edid*

pointer to raw EDID block

*block*

type of block to validate (0 for base, extension otherwise)

*print\_bad\_edid*

if true, dump bad EDID blocks to the console

## DESCRIPTION

Validate a base or extension EDID block and optionally dump bad blocks to the console.

## RETURN

True if the block is valid, false otherwise.

## AUTHORS

**Jesse Barnes** \<jesse.barnes@intel.com\>\
 Intel Corporation,

Initial version

**Laurent Pinchart** \<laurent.pinchart@ideasonboard.com\>\
 Ideas on board SPRL,

Driver internals

**Daniel Vetter** \<daniel.vetter@ffwll.ch\>\
 Intel Corporation,

Contributions all over the place

## COPYRIGHT