From owner-freebsd-current@FreeBSD.ORG Thu Dec 15 17:57:18 2005 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 21A6F16A422; Thu, 15 Dec 2005 17:57:18 +0000 (GMT) (envelope-from jhb@freebsd.org) Received: from speedfactory.net (mail6.speedfactory.net [66.23.216.219]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3526543D75; Thu, 15 Dec 2005 17:57:07 +0000 (GMT) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (unverified [66.23.211.162]) by speedfactory.net (SurgeMail 3.5b3) with ESMTP id 3874557 for multiple; Thu, 15 Dec 2005 12:54:56 -0500 Received: from localhost (john@localhost [127.0.0.1]) by server.baldwin.cx (8.13.1/8.13.1) with ESMTP id jBFHuqG5070481; Thu, 15 Dec 2005 12:56:53 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin To: Eric Anderson Date: Thu, 15 Dec 2005 11:32:44 -0500 User-Agent: KMail/1.8.2 References: <200512141720.01572.jhb@freebsd.org> <43A0E3B3.6030903@centtech.com> In-Reply-To: <43A0E3B3.6030903@centtech.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200512151132.45474.jhb@freebsd.org> X-Virus-Scanned: ClamAV 0.87.1/1210/Thu Dec 15 10:23:22 2005 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.8 required=4.2 tests=ALL_TRUSTED autolearn=failed version=3.0.2 X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on server.baldwin.cx X-Server: High Performance Mail Server - http://surgemail.com r=1653887525 Cc: anholt@freebsd.org, current@freebsd.org Subject: Re: hostb(4) and vgapci(4) patch X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Dec 2005 17:57:18 -0000 On Wednesday 14 December 2005 10:32 pm, Eric Anderson wrote: > John Baldwin wrote: > >I have a patch that is an attempt to untangle a few things in relation to > >Host-PCI bridges and VGA PCI devices. Basically, the change is to create > > a more "real" hostb driver as well as a new vgapci driver and to change > > agp, drm, and acpi_video to attach to these drivers. This means among > > other things: > > > >- In theory you can now kldload agp after boot since it still has a place > > to attach to. > >- i830/915 drm is no longer a child of agp, instead both become children > > of vgapci0. > >- You can now use acpi_video with drm as both attach as children of > > vgapci0. - This provides a way for us to possibly solve the DPMS problem > > for suspend/resume (including a cleaner way to do the hack dpms patch I > > posted to acpi@ a long while ago that several people still use). > > > >Some other details include: > > > >- agp devices no longer map the _entire_ aperture into contiguous KVA > > meaning that it might be possible now to use a 256 MB aperture without > > panicing - I've added a new pci_if.m method for locating a specific > > capability for a PCI device. > > > >I have tested this on my laptop and verified that dri still works, but it > >needs some wider testing, especially the i830/i915 case is slightly more > >complicated. Also, this is not going to work with the nvidia-driver > >currently, but that's something that can be fixed in the future. If the > > agp non-mapping does fix the 256 MB aperture issues then I will probably > > MFC that part to RELENG_6. > > > >http://www.FreeBSD.org/~jhb/patches/agp_cvs.patch > > cc -c -O2 -pipe -fno-strict-aliasing -march=pentiumpro -Wall > -Wredundant-decls -Wnested-externs -Wstrict-prototypes > -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual > -fformat-extensions -std=c99 -g -nostdinc -I- -I. -I/usr/src/sys > -I/usr/src/sys/contrib/altq -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS > -include opt_global.h -fno-common -finline-limit=8000 --param > inline-unit-growth=100 --param large-function-growth=1000 > -mno-align-long-strings -mpreferred-stack-boundary=2 -mno-mmx > -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -ffreestanding -Werror > /usr/src/sys/pci/agp_i810.c > /usr/src/sys/pci/agp_i810.c: In function `agp_i810_detach': > /usr/src/sys/pci/agp_i810.c:463: warning: unused variable `child' > *** Error code 1 If you delete this line to fix the warning does it work ok? -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org