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Date:      Tue, 1 Nov 2011 13:55:40 +0200
From:      Kostik Belousov <kostikbel@gmail.com>
To:        Peter Jeremy <peterjeremy@acm.org>
Cc:        x11@freebsd.org, freebsd-ports@freebsd.org
Subject:   Re: Radeon KMS [was Re: KWin no longer compositing?]
Message-ID:  <20111101115540.GW50300@deviant.kiev.zoral.com.ua>
In-Reply-To: <20111031190601.GA94352@server.vk2pj.dyndns.org>
References:  <20111023230634.GA47508@misty.eyesbeyond.com> <87ty6z2ofd.fsf@FreeBSD.org> <20111024040703.GA42523@misty.eyesbeyond.com> <4EA51C45.3060108@FreeBSD.org> <4EABB854.2070606@freebsd.org> <20111029084744.GH50300@deviant.kiev.zoral.com.ua> <4EABBFC4.9060807@freebsd.org> <20111029093411.GI50300@deviant.kiev.zoral.com.ua> <20111031190601.GA94352@server.vk2pj.dyndns.org>

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On Tue, Nov 01, 2011 at 06:06:01AM +1100, Peter Jeremy wrote:
> On 2011-Oct-29 12:34:11 +0300, Kostik Belousov <kostikbel@gmail.com> wrot=
e:
> >I think 3-4 months is the reasonable estimation for bringing up both
> >TTM/execution and KMS for radeons. The KMS infrastructure is already
> >ported.
> >
> >If somebody is interested in doing the Radeon driver proper, I may port
> >TTM.
>=20
> I'm also interested in this.  Can you give some indication as to what
> is involved?

Involved in what sense ?

Basically, you take the Linux sources, drivers/gpu/drm/radeon/* and makes
them compilable, runnable and then bug-free under FreeBSD. In the course
of actions, you add the missed infrastructure bits from drivers/gpu/drm/*.

The most infrastructure parts needed for the KMS are already ported in my
kms git branch. Biggest missed stuff is TTM, but I already promised to do
it if somebody takes care of the radeon.

The line count for radeon driver is ~100KLOC, that is twice as big as Intel
driver. I am optimistic that the porting will take 3-4 months, judging after
the Intel experience. Also, I am more then willing to help, but definitely
won't do it myself.

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