From owner-svn-src-head@FreeBSD.ORG  Thu Dec  5 09:53:56 2013
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 8B7B7E59;
 Thu,  5 Dec 2013 09:53:56 +0000 (UTC)
Received: from mail.made4.biz (unknown [IPv6:2001:41d0:1:7018::1:3])
 (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id 4B5D51E58;
 Thu,  5 Dec 2013 09:53:56 +0000 (UTC)
Received: from [2001:1b48:10b:cafe:225:64ff:febe:589f] (helo=viking.yzserv.com)
 by mail.made4.biz with esmtpsa (TLSv1:DHE-RSA-CAMELLIA256-SHA:256)
 (Exim 4.80.1 (FreeBSD)) (envelope-from <dumbbell@FreeBSD.org>)
 id 1VoVd4-000AoX-QK; Thu, 05 Dec 2013 10:53:54 +0100
Message-ID: <52A04D2E.2040705@FreeBSD.org>
Date: Thu, 05 Dec 2013 10:53:50 +0100
From: =?UTF-8?B?SmVhbi1Tw6liYXN0aWVuIFDDqWRyb24=?= <dumbbell@FreeBSD.org>
User-Agent: Mozilla/5.0 (X11; FreeBSD amd64;
 rv:24.0) Gecko/20100101 Thunderbird/24.1.0
MIME-Version: 1.0
To: John Baldwin <jhb@freebsd.org>
Subject: Re: svn commit: r258930 - head/sys/dev/drm2
References: <201312041904.rB4J4vbM043709@svn.freebsd.org>
 <201312041518.33731.jhb@freebsd.org>
In-Reply-To: <201312041518.33731.jhb@freebsd.org>
X-Enigmail-Version: 1.6
Content-Type: multipart/signed; micalg=pgp-sha1;
 protocol="application/pgp-signature";
 boundary="kk4HD96FtNUxwIvPoDbSUiuUBNa6rwJXr"
Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
 src-committers@freebsd.org
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head/>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 05 Dec 2013 09:53:56 -0000

This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--kk4HD96FtNUxwIvPoDbSUiuUBNa6rwJXr
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

On 04.12.2013 21:18, John Baldwin wrote:
> On Wednesday, December 04, 2013 2:04:57 pm Jean-Sebastien Pedron wrote:=

>> Author: dumbbell
>> Date: Wed Dec  4 19:04:56 2013
>> New Revision: 258930
>> URL: http://svnweb.freebsd.org/changeset/base/258930
>>
>> Log:
>>   drm: Read PCIER_LINK_CAP/PCIER_LINK_CAP2 from the PCI bridge
>>  =20
>>   Before this fix, capabilities were read from vgapci and were incorre=
ct.
>=20
> Eh, vgapci is the right place to read this.  The LINK_CAP here is telli=
ng
> you the width of the slot you are plugged into, not the width of the ca=
rd
> that is plugged into the slot.

I'm sorry, my knowledge of PCI is very limited (still learning) and I
don't understand your comment. Could you please expand on it?

I believe this code has the correct result (eg, same result as Linux 3.8
on the same computer), but maybe I'm doing it wrong and I was just lucky.=


--=20
Jean-S=C3=A9bastien P=C3=A9dron


--kk4HD96FtNUxwIvPoDbSUiuUBNa6rwJXr
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.22 (FreeBSD)
Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/

iEYEARECAAYFAlKgTTIACgkQa+xGJsFYOlN9PACfdls9nEejg1vd9fEJ1Oy1r3cd
mSEAoMCCXW4WL7c6LYQ8R//jCgUO+nIt
=aSwE
-----END PGP SIGNATURE-----

--kk4HD96FtNUxwIvPoDbSUiuUBNa6rwJXr--