Date: Fri, 16 Dec 2005 19:44:53 +0100 From: "O. Hartmann" <ohartman@mail.uni-mainz.de> To: Jung-uk Kim <jkim@FreeBSD.org> Cc: freebsd-amd64@FreeBSD.org Subject: Re: device drm with PCIe? Message-ID: <43A30B25.3030102@mail.uni-mainz.de> In-Reply-To: <200512161230.41499.jkim@FreeBSD.org> References: <43A1636A.6030108@mail.uni-mainz.de> <200512161230.41499.jkim@FreeBSD.org>
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Jung-uk Kim schrieb: > On Thursday 15 December 2005 07:36 am, O. Hartmann wrote: > >>Normally 'device drm' is only useable in conjunction with 'device >>agp'. A lot of amd64 based boxes now use PEG slots for their >>graphics accelerators. Is it possible to utilize 'drm' with PCIe >>devices? > > > Yes. It should work, at least in theory. ;-) > > >>Does device agp has any effect on PCIe graphics accelerators? > > > No. You don't need it for PCI-Express controller. Ok, but without AGP (device agp) in my kernel config file, I get a lot of errors while linking the kernel of missing agp_xxxxx routines (FreeBSD 6.0-STABLE/amd64). So, device drm alone seems to be useless (although in conjunction with device pci). > > Jung-uk Kim > > >>Thanks, >>Oliver
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