Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753849AbWKHCCA (ORCPT ); Tue, 7 Nov 2006 21:02:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753859AbWKHCCA (ORCPT ); Tue, 7 Nov 2006 21:02:00 -0500 Received: from witte.sonytel.be ([80.88.33.193]:52148 "EHLO witte.sonytel.be") by vger.kernel.org with ESMTP id S1753849AbWKHCB7 (ORCPT ); Tue, 7 Nov 2006 21:01:59 -0500 Date: Wed, 8 Nov 2006 03:01:34 +0100 (CET) From: Geert Uytterhoeven To: Linux Frame Buffer Device Development cc: ajwade@alumni.uwaterloo.ca, Andrew Morton , Kimball Murray , Linux Kernel Development Subject: Re: [Linux-fbdev-devel] 2.6.19-rc4-mm2 In-Reply-To: <1C68BCE03F80CD46A821B5B9C5F2163E01D7A051@EXNA.corp.stratus.com> Message-ID: References: <1C68BCE03F80CD46A821B5B9C5F2163E01D7A051@EXNA.corp.stratus.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1650 Lines: 40 On Tue, 7 Nov 2006, Richardson, Charlotte wrote: > If I can't repro it with this chip, if you want to mess around with it > on yours, here's what I think we had to do... I believe the trick was > to use 16bpp mode as far as what mode you write to the chip, and then > double all the x coordinate values for things like offset, width, and > pitch. You would have to do that to the accelerated routines also. > > From: Andrew Wade [mailto:andrew.j.wade@gmail.com] > > On 11/6/06, Richardson, Charlotte > > wrote: > > ... > > > How much is each line offset when you have the garbled stuff? I > mean, > > > is it a couple pixels, half the total width, something else? And is > > > it always the same for each line (or can you tell)? > > > > Each ghost is 1/3 of a screen horizontally from the other ghosts. I've > > been looking carefully at test patterns to figure out what is going > on. Since the ghosts are 1/3 of a screen apart and not 1/2... If this is similar to the old Mach64, for 24-bit you have to use 8-bit mode and multiply all horizontal values by _3_. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds - 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/