GPU Switching Goes For The Gold: Mainline Inclusion
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At the start of the month we talked about GPU switching coming to Linux in a crude form that allowed notebooks with dual GPUs (one being a low-power, low-performance integrated chip and the other being the more performance-oriented GPU that's power hungry) to be switched from without the need for a reboot in Linux. This initial work was just a collection of hacks by David Airlie and it required VT switching after killing the X Server, etc. It also didn't power down the unused GPU. However, as the days passed, this code did more and delayed GPU switching came too.
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