---
name: "drm_av_sync_delay"
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_av_sync_delay"
---

# drm\_av\_sync\_delay(9)

compute the HDMI/DP sink audio-video sync delay

## NAME

drm\_av\_sync\_delay - compute the HDMI/DP sink audio-video sync delay

## SYNOPSIS

**int drm\_av\_sync\_delay(struct drm\_connector \*** *connector***, struct drm\_display\_mode \*** *mode***);**

## ARGUMENTS

*connector*

connector associated with the HDMI/DP sink

*mode*

the display mode

## RETURN

The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if the sink doesn't support audio or video.

## 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
