On Thu, Jan 25, 2018 at 02:38:00PM -0800, Darren Hart wrote: > On Wed, Jan 24, 2018 at 07:35:45PM +0100, Lukas Wunner wrote: > > Commit 4eebd5a4e726 ("apple-gmux: lock iGP IO to protect from vgaarb > > changes") amended this driver's ->probe hook to lock decoding of normal > > (non-legacy) I/O space accesses to the integrated GPU on dual-GPU > > MacBook Pros. The lock stays in place until the driver is unbound. > > > ... > > > > So let's revert commit 4eebd5a4e726 please. Users experiencing the > > issue with the proprietary nvidia driver can comment out the above- > > quoted problematic code as a workaround (or try updating the BIOS). > > > > Cc: Petri Hodju <petrihodju@xxxxxxxxx> > > Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> > > Cc: Bruno Prémont <bonbons@xxxxxxxxxxxxxxxxx> > > Cc: Andy Ritger <aritger@xxxxxxxxxx> > > Cc: Ronald Tschalär <ronald@xxxxxxxxxxxxx> > > I presume we'd like to see this applied to linux-stable as well? Fine by me. Can you add the stable designation when applying or would you prefer me to respin? Thanks, Lukas