From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from cthulhu.engr.sgi.com (cthulhu.engr.sgi.com [192.26.80.2]) by neteng.engr.sgi.com (980427.SGI.8.8.8/970903.SGI.AUTOCF) via ESMTP id RAA50575 for ; Thu, 24 Sep 1998 17:00:58 -0700 (PDT) Return-Path: Received: (from majordomo-owner@localhost) by cthulhu.engr.sgi.com (980427.SGI.8.8.8/970903.SGI.AUTOCF) id QAA34072 for linux-list; Thu, 24 Sep 1998 16:59:16 -0700 (PDT) mail_from (owner-linux@relay.engr.sgi.com) Received: from jibe.engr.sgi.com (jibe.engr.sgi.com [150.166.37.45]) by cthulhu.engr.sgi.com (980427.SGI.8.8.8/970903.SGI.AUTOCF) via ESMTP id QAA88996; Thu, 24 Sep 1998 16:59:13 -0700 (PDT) mail_from (kyriazis@jibe.engr.sgi.com) Received: (from kyriazis@localhost) by jibe.engr.sgi.com (980427.SGI.8.8.8/960327.SGI.AUTOCF) id QAA76554; Thu, 24 Sep 1998 16:59:06 -0700 (PDT) From: kyriazis@jibe.engr.sgi.com (George Kyriazis) Message-Id: <199809242359.QAA76554@jibe.engr.sgi.com> Subject: Re: VINO In-Reply-To: <19980924011207.09418@alpha.franken.de> from Thomas Bogendoerfer at "Sep 24, 98 01:12:07 am" To: tsbogend@alpha.franken.de (Thomas Bogendoerfer) Date: Thu, 24 Sep 1998 16:59:06 -0700 (PDT) Cc: linux@cthulhu.engr.sgi.com MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux@cthulhu.engr.sgi.com Precedence: bulk > Is it possible to do VINO DMA directly to the newport ? > As far as I know, you have to do it through memory. To elaborate: I believe you can program the DMA controller to copy from VINO to the REX3 (read: from a fixed address to a fixed address), but I doubt the data formats are compatible. Ie, you'll be dumping garbage to the REX3 registers. --george -- ----------------------------------------------------------------------------- George Kyriazis | Silicon Graphics, Inc., 8U-590 | kyriazis@sgi.com | 2011 N. Shoreline Blvd. | 650-933-2828 | Mt. View, CA 94043 | From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: kyriazis@jibe.engr.sgi.com (George Kyriazis) Message-ID: <199809242359.QAA76554@jibe.engr.sgi.com> Subject: Re: VINO In-Reply-To: <19980924011207.09418@alpha.franken.de> from Thomas Bogendoerfer at "Sep 24, 98 01:12:07 am" Date: Thu, 24 Sep 1998 16:59:06 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux@cthulhu.engr.sgi.com To: Thomas Bogendoerfer Cc: linux@cthulhu.engr.sgi.com Message-ID: <19980924235906.7eknO7NMjy5-7VPPaKRxpjEi2a3dw6p1WWnIDgtuXw8@z> > Is it possible to do VINO DMA directly to the newport ? > As far as I know, you have to do it through memory. To elaborate: I believe you can program the DMA controller to copy from VINO to the REX3 (read: from a fixed address to a fixed address), but I doubt the data formats are compatible. Ie, you'll be dumping garbage to the REX3 registers. --george -- ----------------------------------------------------------------------------- George Kyriazis | Silicon Graphics, Inc., 8U-590 | kyriazis@sgi.com | 2011 N. Shoreline Blvd. | 650-933-2828 | Mt. View, CA 94043 |