Years Later, VGA_Switcheroo Is Still Being Worked On For MacBooks
Written by Michael Larabel in Hardware on 13 October 2015 at 04:46 PM EDT. 1 Comment
Open-source support is still being worked on for GPU switching with pre-Retina Apple MacBook computers.

Using VGA_Switcheroo. patches have been floating around since 2012 for support for switching only the DDC to allow for GPU switching to work on (pre-retina) Apple MacBooks. In the past three years different developers have workedo n the support and now Lukas Wunner has been tackling the support most recently.

His patch-set is now up to the fourth revision as of yesterday. Perhaps for Linux 4.4 we'll finally see this support cleaned up and ready for the mainline kernel.
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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter or contacted via

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