Matthew Garrett (mjg59) wrote,
Matthew Garrett
mjg59

Nnngh.

Intel have a magic communciation channel between the system firmware and the graphics hardware. It's based on a region of shared memory and judicious use of interrupts, and it's documented here.

Nvidia have a magic communication channel between the system firmware and the graphcis hardware. It's based on WMI and bonghits, and it's not documented.

Why, yes, I have spent half the day trying to work out how the NVIF method works.
Tags: advogato, fedora
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