From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Subject: Re: [Linux-fbdev-devel] Re: radeon, apertures & memory mapping Date: Mon, 14 Mar 2005 08:52:46 +1100 Message-ID: <1110750766.14684.160.camel@gaston> References: <1110677744.19810.80.camel@gaston> <20050313082216.GA7362@sci.fi> <1110705646.14684.126.camel@gaston> <20050313103936.GA11002@sci.fi> <1110715499.14684.132.camel@gaston> <9e473391050313081937cde207@mail.gmail.com> <20050313174714.GA15871@sci.fi> <9e4733910503130956401e1107@mail.gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit In-Reply-To: <9e4733910503130956401e1107@mail.gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: xorg-bounces@lists.freedesktop.org Errors-To: xorg-bounces@lists.freedesktop.org Content-Type: text/plain; charset="us-ascii" To: Jon Smirl Cc: Jon Smirl , Linux Fbdev development list , dri-devel@lists.sourceforge.net, xorg@lists.freedesktop.org > The best model would be to chuck the AGP/PCI Express interface on the > board and have a hyperchannel instead. Hyperchannel provides full > cache consistency without all of these flushing problems. The GPU > really is another specialized CPU, give it a CPU class memory > interface. You mean HyperTransport ? Well, PCI Express isn't far from that neither... Ben.