Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933316AbcJTHjB (ORCPT ); Thu, 20 Oct 2016 03:39:01 -0400 Received: from regular1.263xmail.com ([211.150.99.132]:36006 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756933AbcJTHi7 (ORCPT ); Thu, 20 Oct 2016 03:38:59 -0400 X-263anti-spam: KSV:0;BIG:0;ABS:1;DNS:0;ATT:0;SPF:S; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 1 X-SKE-CHECKED: 1 X-ADDR-CHECKED: 0 X-RL-SENDER: randy.li@rock-chips.com X-FST-TO: gustavo.padovan@collabora.co.uk X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: randy.li@rock-chips.com X-UNIQUE-TAG: <783f01ad75aa899213e0b764db83d316> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 Subject: Re: the dp helper would try to enable the i2c channel for rockchip-edp To: Tomeu Vizoso References: <24daffe0-42a4-2a37-d685-7d9ecf9c3b11@rock-chips.com> Cc: "dri-devel@lists.freedesktop.org" , Daniel Vetter , "linux-kernel@vger.kernel.org" , "open list:ARM/Rockchip SoC..." , Gustavo Padovan From: Randy Li Organization: Fuzhou Rockchip Message-ID: <410fd2c1-e841-cffb-51ba-cc4907c81203@rock-chips.com> Date: Thu, 20 Oct 2016 15:38:29 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1652 Lines: 47 On 10/20/2016 03:18 PM, Tomeu Vizoso wrote: > On 19 October 2016 at 15:52, Randy Li wrote: >> Hello, >> >> Recently, I want to use a eDP panel in my RK3288 platform, but I got the >> following message: >> >> [ 8.935918] i2c i2c-6: of_i2c: modalias failure on /dp@ff970000/ports >> [ 8.936018] rockchip-drm display-subsystem: bound ff970000.dp (ops >> rockchip_dp_component_ops [analogix_dp_rockchip]) >> It try to enable the eDP aux channel and add a new I2C controller, but it >> failed then the whole display subsystem is broken, the panel doesn't power >> on either. >> >> I hope somebody could figure out what is wrong with it. > > Hi Randy, > > you want to debug why the call to of_modalias_node fails. > But I didn't know who register that I2C controller, as the system only have 6 I2C controller(0-5). > Good luck, > > Tomeu > > >> >> _______________________________________________ >> dri-devel mailing list >> dri-devel@lists.freedesktop.org >> https://lists.freedesktop.org/mailman/listinfo/dri-devel > -- Randy Li The third produce department =========================================================================== This email message, including any attachments, is for the sole use of the intended recipient(s) and may contain confidential and privileged information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message. [Fuzhou Rockchip Electronics, INC. China mainland] ===========================================================================