On Wed 2019-09-18 08:18:59, Greg Kroah-Hartman wrote: > From: Hans de Goede <[email protected]> > > commit 61f7f7c8f978b1c0d80e43c83b7d110ca0496eb4 upstream. > > Another day; another DSDT bug we need to workaround... > > Since commit ca876c7483b6 ("gpiolib-acpi: make sure we trigger edge events > at least once on boot") we call _AEI edge handlers at boot. > > In some rare cases this causes problems. One example of this is the Minix > Neo Z83-4 mini PC, this device has a clear DSDT bug where it has some copy > and pasted code for dealing with Micro USB-B connector host/device role > switching, while the mini PC does not even have a micro-USB connector. > This code, which should not be there, messes with the DDC data pin from > the HDMI connector (switching it to GPIO mode) breaking HDMI support. > > To avoid problems like this, this commit adds a new > gpiolib_acpi.run_edge_events_on_boot kernel commandline option, which > allows disabling the running of _AEI edge event handlers at boot.
So... apparently Windows does _not_ run _AEI edge event handlers at
boot, otherwise Minix would realize that fault.
Would it make sense not to do it by default, either?
Best regards,
Pavel
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