From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755175Ab1IPOQ4 (ORCPT ); Fri, 16 Sep 2011 10:16:56 -0400 Received: from mail-wy0-f180.google.com ([74.125.82.180]:48731 "EHLO mail-wy0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751077Ab1IPOQy (ORCPT ); Fri, 16 Sep 2011 10:16:54 -0400 Date: Fri, 16 Sep 2011 16:17:19 +0200 From: Daniel Vetter To: Keith Packard Cc: Tomi Valkeinen , linux-fbdev@vger.kernel.org, linaro-dev@lists.linaro.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Archit Taneja , "Clark, Rob" Subject: Re: Proposal for a low-level Linux display framework Message-ID: <20110916141719.GD2873@phenom.ffwll.local> Mail-Followup-To: Keith Packard , Tomi Valkeinen , linux-fbdev@vger.kernel.org, linaro-dev@lists.linaro.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Archit Taneja , "Clark, Rob" References: <1316088425.11294.78.camel@lappyti> <1316100594.23214.65.camel@deskari> <1316107275.23214.99.camel@deskari> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Operating-System: Linux phenom 3.1.0-rc4+ User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 15, 2011 at 07:55:37PM -0500, Keith Packard wrote: > I suspect helper functions would be a good model to follow, rather than > trying to create a whole new device infrastructure; some of the > communication paths aren't easily separable from the underlying output > devices. This. Helper functions make the driver writers life so much easier - if your hw doesn't quite fit the model, you can usually extend functionality with much less fuzz than if there's a full framework. This is also pretty much the reason, why I don't like ttm. -Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48