Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932312AbcJTHSa (ORCPT ); Thu, 20 Oct 2016 03:18:30 -0400 Received: from mail-lf0-f68.google.com ([209.85.215.68]:35585 "EHLO mail-lf0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756492AbcJTHS1 (ORCPT ); Thu, 20 Oct 2016 03:18:27 -0400 MIME-Version: 1.0 In-Reply-To: <24daffe0-42a4-2a37-d685-7d9ecf9c3b11@rock-chips.com> References: <24daffe0-42a4-2a37-d685-7d9ecf9c3b11@rock-chips.com> From: Tomeu Vizoso Date: Thu, 20 Oct 2016 09:18:04 +0200 X-Google-Sender-Auth: TIlgD0QpnT9QFBoflm7QRohMX6M Message-ID: Subject: Re: the dp helper would try to enable the i2c channel for rockchip-edp To: Randy Li Cc: "dri-devel@lists.freedesktop.org" , Daniel Vetter , "linux-kernel@vger.kernel.org" , "open list:ARM/Rockchip SoC..." , Gustavo Padovan Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 870 Lines: 29 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. Good luck, Tomeu > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel