From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Mundt Subject: Re: [PATCH 2.6.20 1/1] fbdev, mm: hecuba/E-Ink fbdev driver Date: Sat, 17 Feb 2007 22:59:22 +0900 Message-ID: <20070217135922.GA15373@linux-sh.org> References: <20070217104215.GB25512@localhost> <1171715652.5186.7.camel@lappy> <45a44e480702170525n9a15fafpb370cb93f1c1fcba@mail.gmail.com> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1HIQ8A-0004bU-K2 for linux-fbdev-devel@lists.sourceforge.net; Sat, 17 Feb 2007 06:01:38 -0800 Received: from smtp.ocgnet.org ([64.20.243.3]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1HIQ89-0001UQ-7r for linux-fbdev-devel@lists.sourceforge.net; Sat, 17 Feb 2007 06:01:38 -0800 Content-Disposition: inline In-Reply-To: <45a44e480702170525n9a15fafpb370cb93f1c1fcba@mail.gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-fbdev-devel-bounces@lists.sourceforge.net Errors-To: linux-fbdev-devel-bounces@lists.sourceforge.net To: Jaya Kumar Cc: linux-mm@kvack.org, linux-fbdev-devel@lists.sourceforge.net, Peter Zijlstra , linux-kernel@vger.kernel.org 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. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV