PCI resources above 4GB

[Steven Newbury]

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On 16/04/12 07:54, Yinghai Lu wrote:
> On Sun, Apr 15, 2012 at 1:06 PM, Yinghai Lu <yinghai at kernel.org>
> wrote:
>>> 3. use pci_bus_allocate_resource in drm/radeon driver ... ===>
>>> but that could fail. so could hack it like a. disable bar 0x10
>>> and steal BAR address, then set 0x30 to that address then copy
>>> ROM to ram. after that, disable rom again and set back address
>>> to 0x10. You try to update radeon_get_bios() to achieve that.
> 
> patches for solution 3: map_rom.patch will try to borrow mem or mem
> pref bar for ROM copying
> 
> and You still need to use pci=norom
> 
I've tested solution 2 so far and it works well.  I'll test your
patches for 1 and 3 later today.
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