Hey guys,
just wanted to let you know: I was able to reduce the wake-ups on my
nvidia-gfx based notebook from about 700 to 150 per second by just adding the
following line to the device section of xorg.conf:
Option "OnDemandVBlankInterrupts" "true"
>From NVidias documentation:
"Normally, VBlank interrupts are generated on every vertical refresh of every
display device connected to the GPU(s) installed in a given system. This
experimental option enables on-demand VBlank control, allowing the driver to
enable VBlank interrupt generation only when it is required. This can help
conserve power."
Andreas
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