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?
--
Darren Hart
VMware Open Source Technology Center
