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switcheroo
2012 Aug 26
0
3.6-rc3 DP I2C timeout after switcherood...
On my MacbookPro Retina, when disabling the discrete Nvidia GPU via
the switcheroo [1], the disablement is correctly executed [2], I
restart X etc.
After some time, upowerd reads from the noveau's sysfs files, causing
(expected) displayport I2C timeouts, as the hardware is in D3 [3] (I
added a call to dump_stack to see the context).
Does it make sense we deregister the sysfs files when the