From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752659Ab1AFKXR (ORCPT ); Thu, 6 Jan 2011 05:23:17 -0500 Received: from metis.ext.pengutronix.de ([92.198.50.35]:49208 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752427Ab1AFKXP (ORCPT ); Thu, 6 Jan 2011 05:23:15 -0500 Date: Thu, 6 Jan 2011 11:23:10 +0100 From: Sascha Hauer To: Julien Boibessot Cc: linux-arm-kernel@lists.infradead.org, liu.y.victor@gmail.com, B02280@freescale.com, linux-kernel@vger.kernel.org, Samuel Ortiz Subject: Re: [PATCH v2] i.MX51 Framebuffer support Message-ID: <20110106102310.GF26009@pengutronix.de> References: <1292842127-21406-1-git-send-email-s.hauer@pengutronix.de> <4D246C54.9060503@free.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4D246C54.9060503@free.fr> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 11:21:01 up 2 days, 19:28, 25 users, load average: 0.11, 0.16, 0.18 User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: 2001:6f8:1178:2:215:17ff:fe12:23b0 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 05, 2011 at 02:04:20PM +0100, Julien Boibessot wrote: > Hello, > > Sascha Hauer a écrit : > > The following series adds i.MX51 framebuffer support based on the IPUv3. It > > is not perfect but I decided it is good enough to open it for a wider audience > > and collect first reviews. I tested this on a babbage board using both outputs > > (VGA/DVI) with different resolutions up to 1680x1050 and different colour depths. > > I also tested it on one custom board using a fixed display setting. > > > This driver is also working fine for me on a custom i.MX51 board with a > 800x480 18 bits TFT LCD (16bpp mode). > > The only strange thing I noticed was a kind of uggly sprite/artefact > (32x32, I would say) appearing at the same time as the Linux console. I > think it may be related to a hardware cursor badly (?) initialised, but > I didn't find a fix yet. > It disappears when I launch a graphical application (Qt or SDL). It may be the penguin, but I remember a similar report also talkling about hardware cursors. I can't reproduce this. You could search for cursor in the IPU section of the manual and play with the corresponding registers. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |