From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-wm0-x235.google.com ([2a00:1450:400c:c09::235]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1aYYuK-0000KQ-L1 for barebox@lists.infradead.org; Wed, 24 Feb 2016 12:51:09 +0000 Received: by mail-wm0-x235.google.com with SMTP id c200so267910708wme.0 for ; Wed, 24 Feb 2016 04:50:48 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <20160224124343.GO3939@pengutronix.de> References: <20160223083236.GA3939@pengutronix.de> <20160224111516.GM3939@pengutronix.de> <20160224124343.GO3939@pengutronix.de> Date: Wed, 24 Feb 2016 13:50:46 +0100 Message-ID: From: Philippe Leduc 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: Help configuring i.MX6 IPUv3 with a parrallel display To: Sascha Hauer Cc: barebox@lists.infradead.org Same result with memset or cp : the screen stay white. I'll recheck my timings. Could it be related with the freeze of the splash utility? BTW, it seems that of_get_display_timings() can't manage ranges of datas as mentionned in the binding doc (display-timings.txt). Philippe LEDUC ledphilippe@gmail.com 2016-02-24 13:43 GMT+01:00 Sascha Hauer : > On Wed, Feb 24, 2016 at 01:39:25PM +0100, Philippe Leduc wrote: >> > You could try setting it to >> V4L2_PIX_FMT_RGB24 manually in ipu_crtc_mode_set(). >> It is working with this trick and I do not get any error: >> >> Unfortunately, the display stay white... I tried to write it with "mw >> -d /dev/fb0 0xXXXXXXXX +0x40000" and splash freeze the board. > > Try 'cp /dev/ram0 /dev/fb0' or 'memset -d /dev/fb0 0x0 0x55 1M'. With > 'mw' you can only write single words which only gives you some dots in > one screen corner. > > 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