Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 8 Jan 2003 06:17:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 8 Jan 2003 06:17:13 -0500 Received: from elixir.e.kth.se ([130.237.48.5]:2311 "EHLO elixir.e.kth.se") by vger.kernel.org with ESMTP id ; Wed, 8 Jan 2003 06:17:12 -0500 To: Sven Luther Cc: Geert Uytterhoeven , James Simmons , Linux Fbdev development list , Linux Kernel Mailing List Subject: Re: [Linux-fbdev-devel] Re: rotation. References: <20030108104817.GA10165@iliana> From: mru@users.sourceforge.net (=?iso-8859-1?q?M=E5ns_Rullg=E5rd?=) Date: 08 Jan 2003 12:25:18 +0100 In-Reply-To: Sven Luther's message of "Wed, 8 Jan 2003 11:48:17 +0100" Message-ID: User-Agent: Gnus/5.0807 (Gnus v5.8.7) XEmacs/21.1 (Channel Islands) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1159 Lines: 22 Sven Luther writes: > > > I'm about to implement rotation which is needed for devices like the ipaq. > > > The question is do we flip the xres and yres values depending on the > > > rotation or do we just alter the data that will be drawn to make the > > > screen appear to rotate. How does hardware rotate view the x and y axis? > > > Are they rotated or does just the data get rotated? > > > > Where are you going to implement the rotation? At the fbcon or fbdev level? > > > > Fbcon has the advantage that it'll work for all frame buffer devices. > > But you could also provide driver hooks for the chips which have such a > rotation feature included (don't know if such exist, but i suppose they > do, or may in the future). I heard of someone have problems with the display getting rotated in Windows. I don't know what chip it was. -- M?ns Rullg?rd mru@users.sf.net - 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/