Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755202AbYLVUDt (ORCPT ); Mon, 22 Dec 2008 15:03:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753075AbYLVUDl (ORCPT ); Mon, 22 Dec 2008 15:03:41 -0500 Received: from metis.ext.pengutronix.de ([92.198.50.35]:39387 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752533AbYLVUDk (ORCPT ); Mon, 22 Dec 2008 15:03:40 -0500 Date: Mon, 22 Dec 2008 21:03:37 +0100 From: Robert Schwebel To: Guennadi Liakhovetski , linux-kernel@vger.kernel.org, linux-fbdev-devel@lists.sourceforge.net, adaplas@gmail.com, linux-arm-kernel@lists.arm.linux.org.uk, Dan Williams Subject: Re: [PATCH 2/4 v4] i.MX31: Image Processing Unit DMA and IRQ drivers Message-ID: <20081222200337.GD9472@pengutronix.de> References: <20081218225834.GJ20756@pengutronix.de> <20081222183753.GD1614@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20081222183753.GD1614@pengutronix.de> X-Sent-From: Pengutronix Entwicklungszentrum Nord - Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Impressum: Pengutronix - Linux Solutions for Science and Industry Handelsregister: Amtsgericht Hildesheim, HRA 2686 Peiner Strasse 6-8, 31137 Hildesheim, Germany Phone: +49-5121-206917-0 | Fax: +49-5121-206917-5555 Inhaber: Dipl.-Ing. Robert Schwebel X-Message-Flag: See Message Headers for Impressum X-Uptime: 21:00:05 up 9 days, 22 min, 6 users, load average: 0.00, 0.03, 0.03 User-Agent: Mutt/1.5.18 (2008-05-17) X-SA-Exim-Connect-IP: 2001:6f8:1178:2:219:66ff:fe5b:d0e3 X-SA-Exim-Mail-From: rsc@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 Content-Length: 1091 Lines: 25 On Mon, Dec 22, 2008 at 07:37:53PM +0100, Sascha Hauer wrote: > Another thing is the overlay framebuffer. I think it's mainly useful > to display video streams. Right. The idea is that you can push a video stream into /dev/fb1 (for example by using the gstreamer fbdev sink) while displaying widgets from a GUI toolkit on /dev/fb0. > Maybe it's better to implement this as a v4l device as unlike the > framebuffer API the v4l API is designed to handle different image > buffers. Huh? v4l is image-frames-to-userspace, not vice versa. rsc -- 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 | -- 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/