From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dNZCP-0006vo-T1 for barebox@lists.infradead.org; Wed, 21 Jun 2017 06:33:12 +0000 Date: Wed, 21 Jun 2017 08:32:46 +0200 From: Sascha Hauer Message-ID: <20170621063246.wdfct6r2boyx4xo3@pengutronix.de> References: <63687e34-f354-81d3-aed7-1a59866925c5@eurekelettronica.it> <2f43179e-2aa0-1dba-eafa-a9c0025afd24@eurekelettronica.it> <1487689380.2268.18.camel@pengutronix.de> <82857526-9f9a-2878-9b8e-070f124e2a41@eurekelettronica.it> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <82857526-9f9a-2878-9b8e-070f124e2a41@eurekelettronica.it> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: Fwd: Barebox 2017.02 works great but no Linux Framebuffer... :-/ To: gianluca Cc: barebox@lists.infradead.org Hi Gianluca, On Mon, Jun 19, 2017 at 05:49:41PM +0200, gianluca wrote: > Hello Lucas, Sascha and the barebox mailing list guys! > > I am back with the new boards batch release (now QuadPlus and DualLite iMX6) > > Now I adapted barebox to fit both processors and it works quite well. > > From Barebox point-of-view the ldb node of the device-tree is using three > timings and they are working good depending on which panel bridge board I am > connecting to (1280x800, 1024x600 and 800x480). > > The custom startup code of barebox is looking for a special eeprom on the > panel-bridge and set the device tree accordingly, i.e. setting the > native-mode node to the correct display-timing. > > The same device-tree is used in Linux (as in attachment) as you can see the > ldb section and the panel section, using a simple-panel and a correct panel > timing using the innolux,g101ice_l01 panel driver timings. > > > > > > No, Linux does not support DT defined modes in the panel. You need a > > > panel with a proper compatible and driver. > > > > > > See drivers/gpu/drm/panel. For most LVDS panels simple-panel is what you > > > want to use. > > > > > They are ignored in the Barebox starup (as you know barebox can use the > display-timings in the ldb section) but the panel section is used in linux. > > Nevertheless it does not work. What exactly does not work? No picture in barebox? Any error messages? Does it work in Linux? 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 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox