From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Antonino A. Daplas" Subject: Re: About framebuffer driver Date: 05 Feb 2004 07:52:42 +0800 Sender: linux-fbdev-devel-admin@lists.sourceforge.net Message-ID: <1075938767.1700.41.camel@localhost.localdomain> References: <002801c3e9f2$c63fe720$3d01a8c0@tcentel.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1AoWrG-0006e6-CW for linux-fbdev-devel@lists.sourceforge.net; Wed, 04 Feb 2004 15:55:02 -0800 Received: from rizzo.jerky.net ([38.113.2.101]) by sc8-sf-mx1.sourceforge.net with esmtp (Exim 4.30) id 1AoWrF-0007zx-Rv for linux-fbdev-devel@lists.sourceforge.net; Wed, 04 Feb 2004 15:55:01 -0800 Received: from hotpop.com (kubrick.hotpop.com [38.113.3.103]) by rizzo.jerky.net (Postfix) with SMTP id 710BB32037 for ; Wed, 4 Feb 2004 23:52:47 +0000 (UTC) In-Reply-To: <002801c3e9f2$c63fe720$3d01a8c0@tcentel.com> Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: List-Post: List-Help: List-Subscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" To: Ai Chengshi Cc: James Simmons , Linux Fbdev development list On Tue, 2004-02-03 at 09:12, Ai Chengshi wrote: > If I want to transfer data in frame buffer to LCD GRAM, where should I add this function to? > fb_write() is called by the virtual filesystem itself. You do not call this directly. To transfer contents to/from framebuffer, you might need to make code that will periodically do a memcopy (or similar) that is triggered perhaps by a timer or during vsync/vblank. Tony ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn