Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030190AbXBQOBh (ORCPT ); Sat, 17 Feb 2007 09:01:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030192AbXBQOBh (ORCPT ); Sat, 17 Feb 2007 09:01:37 -0500 Received: from smtp.ocgnet.org ([64.20.243.3]:33789 "EHLO smtp.ocgnet.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030190AbXBQOBh (ORCPT ); Sat, 17 Feb 2007 09:01:37 -0500 Date: Sat, 17 Feb 2007 22:59:22 +0900 From: Paul Mundt To: Jaya Kumar Cc: Peter Zijlstra , linux-fbdev-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 2.6.20 1/1] fbdev,mm: hecuba/E-Ink fbdev driver Message-ID: <20070217135922.GA15373@linux-sh.org> Mail-Followup-To: Paul Mundt , Jaya Kumar , Peter Zijlstra , linux-fbdev-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <20070217104215.GB25512@localhost> <1171715652.5186.7.camel@lappy> <45a44e480702170525n9a15fafpb370cb93f1c1fcba@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <45a44e480702170525n9a15fafpb370cb93f1c1fcba@mail.gmail.com> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1038 Lines: 19 On Sat, Feb 17, 2007 at 08:25:07AM -0500, Jaya Kumar wrote: > On 2/17/07, Peter Zijlstra wrote: > >And, as Andrew suggested last time around, could you perhaps push this > >fancy new idea into the FB layer so that more drivers can make us of it? > > I would like to do that very much. I have some ideas how it could work > for devices that support clean partial updates by tracking touched > pages. But I wonder if it is too early to try to abstract this out. > James, Geert, what do you think? > This would also provide an interesting hook for setting up chained DMA for the real framebuffer updates when there's more than a couple of pages that have been touched, which would also be nice to have. There's more than a few drivers that could take advantage of that. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/