Re: [RFC] Remove AGP support from Radeon/Nouveau/TTM

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Hi Alex!

On 5/11/20 10:46 PM, Alex Deucher wrote:
>>> Note there is no loss of functionality here, at least on radeon
>>> hardware.  It just comes down to which MMU gets used for access to
>>> system memory, the AGP MMU on the chipset or the MMU built into the
>>> GPU.  On powerpc hardware, AGP has been particularly unstable, and
>>> IIRC, AGP has been disabled by default on radeon on powerpc for a
>>> while.
>> Do you have a code reference at hand for this bit of information (AGP
>> being disabled on Macs)?
> 
> It was disabled 2 years ago:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=037d1a66ae640ca2723f47c0115ffa9e603699b3

Ok, that makes less dramatic then than I initially thought.

I would still like to collect some voices from the debian-powerpc list
though and maybe some comments from other directions.

In any case, I agree with Christian's stance that if the code is supposed
to be removed, it should be deprecated first.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@xxxxxxxxxx
`. `'   Freie Universitaet Berlin - glaubitz@xxxxxxxxxxxxxxxxxxx
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913
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