[Intel-gfx] agp/intel: can't ioremap flush page - no chipset flushing

[Steven Newbury]

On Sun, 2014-02-09 at 14:25 +0100, Paul Bolle wrote:
> On Sun, 2014-02-09 at 13:15 +0000, Steven Newbury wrote:
> > PCI resource allocation is undergoing some changes at the moment, it's
> > definitely a bug if the Flush Page isn't getting allocated.  I'm looking
> > forward to hopefully getting pci_bus_alloc_resource_fit() behaviour in
> > mainline, it will provide much better resource allocation in the 32 bit
> > PCI address space, and prevent problems like this from cropping up.
> > 
> > See Yinghai Lu's for-pci-res-alloc branch.
> > 
> > I've been carrying the changes in my local tree, but right now the
> > upstream PCI changes are quite extensive.  He's planning on rebasing the
> > branch soon.
> 
> Does this mean I might be better of not bisecting this just yet? Or are
> these changes targeted at v3.15 (or later)?
> 
> 
> Paul Bolle
> 

It's an aside really for now.  The bug has probably been introduced by
the recent pci allocation changes so it should be easier for you to
bisect, hopefully.