From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934157AbcCNMCw (ORCPT ); Mon, 14 Mar 2016 08:02:52 -0400 Received: from mga09.intel.com ([134.134.136.24]:58532 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934027AbcCNMCq convert rfc822-to-8bit (ORCPT ); Mon, 14 Mar 2016 08:02:46 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,335,1455004800"; d="scan'208";a="936608628" From: "Yang, Libin" To: Takashi Iwai , kernel test robot CC: "lkp@01.org" , LKML , "Wu, Fengguang" , "Lin, Mengdong" Subject: RE: [lkp] [ALSA] ca53fbf3a6: WARNING: CPU: 0 PID: 151 at sound/hda/hdac_i915.c:129 pin2port+0x2a/0x40 [snd_hda_core]() Thread-Topic: [lkp] [ALSA] ca53fbf3a6: WARNING: CPU: 0 PID: 151 at sound/hda/hdac_i915.c:129 pin2port+0x2a/0x40 [snd_hda_core]() Thread-Index: AQHRfcJg0Rvh7byfiEC0TfCk9GnzMJ9Y1rXw Date: Mon, 14 Mar 2016 12:02:39 +0000 Message-ID: <96A12704CE18D347B625EE2D4A099D1904681A1B@SHSMSX103.ccr.corp.intel.com> References: <87y49lg9wa.fsf@yhuang-dev.intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiODhmMzczYzQtYzk1Ny00YzYzLTkyMmMtMGRmZGI3OTc3ZTY0IiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX0lDIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE1LjkuNi42IiwiVHJ1c3RlZExhYmVsSGFzaCI6Im5NSVdyd1laR0pOM0J3Z2FMMnFFeG8yOVNOVWpXMitFeTJzcjgrcmZzckE9In0= x-ctpclassification: CTP_IC x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Takashi, > -----Original Message----- > From: Takashi Iwai [mailto:tiwai@suse.de] > Sent: Monday, March 14, 2016 3:23 PM > To: kernel test robot > Cc: lkp@01.org; LKML; Wu, Fengguang; Yang, Libin; Lin, Mengdong > Subject: Re: [lkp] [ALSA] ca53fbf3a6: WARNING: CPU: 0 PID: 151 at > sound/hda/hdac_i915.c:129 pin2port+0x2a/0x40 [snd_hda_core]() > > On Mon, 14 Mar 2016 01:50:45 +0100, > kernel test robot wrote: > > > > FYI, we noticed the below changes on > > > > https://github.com/0day-ci/linux Takashi-Iwai/ALSA-hda-Add-a-sanity- > check-of-pin-port-mapping-on-i915-HDMI-DP/20160310-225740 > > commit ca53fbf3a609b6831222078af9ddbecbf76fddce ("ALSA: hda - > Add a sanity check of pin / port mapping on i915 HDMI/DP") > > > > > > [ 14.546058] snd_hda_intel 0000:00:1b.0: bound 0000:00:02.0 (ops > i915_audio_component_bind_ops [i915]) > > [ 14.549740] fbcon: inteldrmfb (fb0) is primary device > > [ 14.553691] ------------[ cut here ]------------ > > [ 14.553707] WARNING: CPU: 0 PID: 151 at > sound/hda/hdac_i915.c:129 pin2port+0x2a/0x40 [snd_hda_core]() > > Does your tree contain the commit > 2f791908a70e95768596f5bb9e6de4f441d7bf13 > drm/i915: Fix bogus dig_port_map[] assignment for pre-HSW > ? > > The commit above should cover it even for HSW. > > If it's already included, then it's really a bug, and the warning is > exactly for catching such a bug. The HD-audio driver expects that the > valid audio ports are only from port B to port D while i915 driver > assigns a different one. I suspect that the current assumption is too > naive and broken for SKL and later in this regard. > > Libin, Mengdong, could you check whether the audio port mapping rule > is still valid? At least, a wrong port-A mapping could be reproduced > even on a HSW laptop with DP-MST dock when I boot without eDP > (e.g. video=eDP-1:d option). We checked with HW before, and the mapping should be right. What's the problem now? I will check with our HW and gfx team. Regards, Libin > > > thanks, > > Takashi