From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Antonino A. Daplas" Subject: Re: vesafb Date: Thu, 08 Jun 2006 08:32:49 +0800 Message-ID: <44877031.80409@gmail.com> References: 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-list1-b.sourceforge.net ([10.3.1.7] helo=sc8-sf-list1.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1Fo8qj-0008VW-DR for linux-fbdev-devel@lists.sourceforge.net; Wed, 07 Jun 2006 17:58:13 -0700 Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1Fo8qj-0007bV-1k for linux-fbdev-devel@lists.sourceforge.net; Wed, 07 Jun 2006 17:58:13 -0700 Received: from py-out-1112.google.com ([64.233.166.176]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1Fo8qj-00054J-2C for linux-fbdev-devel@lists.sourceforge.net; Wed, 07 Jun 2006 17:58:13 -0700 Received: by py-out-1112.google.com with SMTP id i49so371457pyi for ; Wed, 07 Jun 2006 17:58:12 -0700 (PDT) In-Reply-To: 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: linux-fbdev-devel@lists.sourceforge.net Nathan King wrote: > Hey folks, > > I'm trying to get a feel for how all this works as I get ready to really > start monkeying with the driver, so I liberally sprinkled some printk's > around vesafb.c and cfb_fillrect.c and recompiled. However I only ever > get messages from three of the vesafb.c functions, all on bootup, and > none from cfb_fillrect.c. I know doing all those messages will slow down > my system(or they would if they worked right) but I'm just trying to > figure out what files control what. > > So my question is, which files are responsible for all these constant > fillrect and bitblt operations, and can they monkeyed with to generate > kernel or other messages? fillrect is called by ops->fill and ops->clear_margins. The first one should be called when scrolling the screen, while the second will be called if xres is not divisible by the fontwidth or yres is not divisible by the fontheight. Tony