[ANNOUNCE] Intel Releases IGD OpRegion Specification

Jesse Barnes jesse.barnes at intel.com
Thu Oct 2 14:39:30 PDT 2008

The Intel Open Source Technology Center is pleased to announce the immediate 
availability of the ACPI Integrated Graphics Device OpRegion Specification[1] 
under the Creative Commons Attribution-No Derivative Works 3.0 United States 
License. This document is intended for use by graphics drivers developers and 
users to enable features such as ambient light sensor support and 
hotkey-driven display output switching.

The IGD OpRegion interface is supported by video BIOS for all Intel® 965 
Express Chipset family and newer chipsets. Initial support code is already 
available for the Linux kernel. The spec includes detailed descriptions of 
IGD OpRegion functions, APIs, and other interfaces to provide full software 

This release demonstrates Intel's continued commitment to supporting the free 
software community using the best practices of open source software 

[1] http://www.intellinuxgraphics.org/documentation.html

Jesse Barnes, Intel Open Source Technology Center

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