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Date:      Sun, 10 Jan 2010 02:45:02 +0900
From:      Norikatsu Shigemura <nork@FreeBSD.org>
To:        Robert Noland <rnoland@FreeBSD.org>
Cc:        ports@FreeBSD.org, x11@FreeBSD.org, nork@FreeBSD.org, flz@FreeBSD.org
Subject:   Re: [HEADS UP] Experimental 3D HW accel support for Radeon HD 2xxx,  3xxx and 4xxx, 2nd!
Message-ID:  <20100110024502.a1640ebf.nork@FreeBSD.org>
In-Reply-To: <1262538293.2486.14.camel@balrog.2hip.net>
References:  <20091205104243.f66171bb.nork@FreeBSD.org> <20091221003422.f13f9cbd.nork@ninth-nine.com> <20091221045848.9ffc345d.nork@FreeBSD.org> <1261463198.9743.39.camel@balrog.2hip.net> <20091223020315.890e2ee0.nork@FreeBSD.org> <1261501994.2304.12.camel@balrog.2hip.net> <20100104011519.5f414b76.nork@FreeBSD.org> <1262538293.2486.14.camel@balrog.2hip.net>

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[-- Attachment #1 --]
Hi rnoland.

On Sun, 03 Jan 2010 11:04:52 -0600
Robert Noland <rnoland@FreeBSD.org> wrote:
> One additional option that I've been considering, though I haven't tried
> it yet, it to construct a patch for 2.4.17 that essentially rolls
> libdrm_nouveau back to the 2.4.12 API.  If we can pull that off, then
> everything is solved, at least for now.

> What you have outlined seems fairly reasonable, although not a trivial
> amount of work.  If you would like to attempt the reverse patch on the
> nouveau directory in libdrm, that may be far simpler.  I will try and
> put this together in the next few days if not.

	I was trying to separate libdrm_nouveau(2.4.12) and libdrm(2.4.17).
	In thus environment, xf86-video-nouveau can compile with few
	patches.  But xf86-video-nouveau freeze and reset on start X:(.
	[SEE ALSO attached archive]

	I saw diff nouveau codes from 2.4.12 and 2.4.17, I can't back
	port from 2.4.12 to 2.4.17:-).  It quite too hard for me.
	Maybe, I think reimplementation of codes related DMA.

	So I'll try to work coexistence with Mesa3D(7.4.4)/libdrm(2.4.12)
	and Mesa3D(7.6.1)/libdrm(2.4.17).

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