PCI resources above 4GB

Steven Newbury steve at snewbury.org.uk
Wed Apr 18 00:21:20 PDT 2012

Hash: SHA1

On 16/04/12 18:29, Yinghai Lu wrote:
> On Sun, Apr 15, 2012 at 11:54 PM, Yinghai Lu <yinghai at kernel.org>
> 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
> map_rom.patch missed one !
> Please check map_rom_v2.patch

I've been really busy, and I'm going to be mostly unavailable until
Monday.  I will get back to it as soon as I can.
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