[PATCH v3] efifb: avoid reconfiguration of BAR that covers the framebuffer

[Lorenzo Pieralisi]

On Thu, Mar 30, 2017 at 09:46:39AM +0100, Ard Biesheuvel wrote:

[...]

> > I'm asking why we don't fix the actual problem in PCIe ARM64 adaptation instead
> > of working around it by quirks.
> >
> > I don't see any reason why ACPI ARM64 should carry the burden of legacy systems.
> >
> > Legacy only applies to DT based systems.
> >
> 
> I fully agree with this point: ACPI implies firmware, and so we should
> be able to rely on firmware to have initialized the PCIe subsystem by
> the time the kernel gets to access it.

https://lkml.org/lkml/2016/3/3/458

Lorenzo