From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f178.google.com (mail-pd0-f178.google.com [209.85.192.178]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id E6126E006E8 for ; Wed, 29 Jan 2014 15:33:10 -0800 (PST) Received: by mail-pd0-f178.google.com with SMTP id y13so2324724pdi.9 for ; Wed, 29 Jan 2014 15:33:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=Midti4aiU8hPVdNOu9xbcJz+kVGNkeMrdFo4H7AlesE=; b=NbC4C3UtlYa7R9HRJiqmdrsDaVzeKdhL80i/d3L8z7bXnK6xOF5UOo8fzXKK8YUhuF xXkLpJitUcf2Zs0qE1245TKqH9K3Tg5YDvyj+T26JfsTtsRPeWzzgUOtA+uT/teiTh7v pWyOrSOjINMYDDY+o++WPweKb9+sGJySVxGapwYZx5bGF4x/Jtb20AKNxEFT3mPeZb+n Irl7Hzb+vUYYZ7AuUpNw9Matj5fEds5S7er6TmE6YOKzAO0fhqn78uvZFgs892mp38vp R4MjpFO2aYei8umjaiTMQKh4kneFhivnLZLNPbUUt0FkCN4KM6l4dRBMUIOkHGZ/Vabk PWXw== X-Received: by 10.68.14.130 with SMTP id p2mr11062959pbc.17.1391038390276; Wed, 29 Jan 2014 15:33:10 -0800 (PST) Received: from [192.168.0.2] (60-242-179-244.static.tpgi.com.au. [60.242.179.244]) by mx.google.com with ESMTPSA id oa3sm10916628pbb.15.2014.01.29.15.33.08 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 29 Jan 2014 15:33:09 -0800 (PST) Message-ID: <52E98E46.5020308@gmail.com> Date: Thu, 30 Jan 2014 10:27:02 +1100 From: Jonathan Liu User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Denys Dmytriyenko , meta-ti@yoctoproject.org References: <20140129172146.GS6814@edge> <1A80A2FD7F34484786E5DF71F3968B6941E82C1A@DLEE10.ent.ti.com> <20140129214604.GU6814@edge> In-Reply-To: <20140129214604.GU6814@edge> Subject: Re: BeagleBone Black - linux-ti-staging and kernel modesetting X-BeenThere: meta-ti@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Usage and development list for the meta-ti layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Jan 2014 23:33:13 -0000 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Hi Denys, On 30/01/2014 8:46 AM, Denys Dmytriyenko wrote: > Jonathan, > > Here's the reply from our DRM guy: > >> It should work, it looks to me like it is failing to probe for the tda998x >> which is why the DRM driver is reporting no connectors/encoders. They will >> also need to make some changes to the DTS to get the thing to probe. This >> document has the necessary DT entries - refer to the DRM section - (it >> wasn't there for the last 3.12 release so not an RTFM message). >> http://processors.wiki.ti.com/index.php/Linux_Core_LCD_Controller_User_Guide#AM335x_LCDC_Display_Driver_.28fbdev.29 >> >> Darren On the wiki page, should "pinctrl-0 = <&nxp_hdmi_pin_mux>;" be "pinctrl-0 = <&nxp_hdmi_bonelt_pins>;" as indicated by https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/Documentation/devicetree/bindings/drm/tilcdc/slave.txt?id=refs/tags/v3.12.8 ? Regards, Jonathan >> >>> Date: Thu, 30 Jan 2014 00:08:56 +1100 >>> From: Jonathan Liu >>> To: meta-ti@yoctoproject.org >>> Subject: [meta-ti] BeagleBone Black - linux-ti-staging and kernel modesetting >>> >>> Hi, >>> >>> I am using Yocto dora release with latest meta-ti git compiling for >>> BeagleBone Black using systemd. >>> For systemd to boot I had created linux-ti-staging_3.12.bbappend with >>> do_configure_append() that >>> appends the following options to kernel config: >>> CONFIG_CGROUPS=y >>> CONFIG_FHANDLE=y >>> >>> More kernel options to enable additional support for systemd can be >>> found at: http://cgit.freedesktop.org/systemd/systemd/tree/README >>> >>> I have also added the following for graphics support: >>> CONFIG_DRM=y >>> CONFIG_DRM_KMS_HELPER=y >>> CONFIG_DRM_GEM_CMA_HELPER=y >>> CONFIG_DRM_KMS_CMA_HELPER=y >>> CONFIG_DRM_I2C_NXP_TDA998X=y >>> CONFIG_DRM_TILCDC=y >>> >>> The kernel mode switching (using xf86-video-modesetting) with HDMI >>> output however is not working. >>> >>> The kernel log shows: >>> tilcdc 4830e000.lcdc: no encoders/connectors found >>> tilcdc 4830e000.lcdc: failed to initialize mode setting >>> >>> The expected result (from Arch Linux ARM) is: >>> tilcdc 4830e000.fb: found TDA19988 >>> tilcdc 4830e000.fb: fb0: frame buffer device >>> tilcdc 4830e000.fb: registered panic notifier >>> [drm] Initialized tilcdc 1.0.0 20121205 on minor 0 >>> >>> /sys/class/drm/card0/card0-HDMI-A-1 doesn't exist also. >>> What am I missing to get KMS working with meta-ti linux-ti-staging for >>> the BeagleBone Black? >>> >>> Regards, >>> Jonathan > _______________________________________________ > meta-ti mailing list > meta-ti@yoctoproject.org > https://lists.yoctoproject.org/listinfo/meta-ti