Re: PCI resources above 4GB

[Steven Newbury <steve@snewbury.org.uk>]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 16/04/12 18:29, Yinghai Lu wrote:
> On Sun, Apr 15, 2012 at 11:54 PM, Yinghai Lu <yinghai@kernel.org>
> wrote:
>> On Sun, Apr 15, 2012 at 1:06 PM, Yinghai Lu <yinghai@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
> 
Hopefully, I'm going to have time to look into this again later today,
depending how well other tasks go...
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.19 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iEYEARECAAYFAk+WdwwACgkQGcb56gMuC62DgQCglk+MxOIxWxbLChNWNlAOdbSp
tysAnA83Mfa6tZ6TC97xHIqpFqtPJ5Wc
=Vd8+
-----END PGP SIGNATURE-----