From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6348C43381 for ; Thu, 11 Mar 2021 10:25:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 95A8164FC1 for ; Thu, 11 Mar 2021 10:25:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232372AbhCKKZG (ORCPT ); Thu, 11 Mar 2021 05:25:06 -0500 Received: from mail1.perex.cz ([77.48.224.245]:44692 "EHLO mail1.perex.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232321AbhCKKYl (ORCPT ); Thu, 11 Mar 2021 05:24:41 -0500 Received: from mail1.perex.cz (localhost [127.0.0.1]) by smtp1.perex.cz (Perex's E-mail Delivery System) with ESMTP id D03CFA003F; Thu, 11 Mar 2021 11:24:31 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.perex.cz D03CFA003F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=perex.cz; s=default; t=1615458271; bh=L5IgBNO2fmFDEe9Mj6mTow4/9RaSsRkfUSeV3Z9ysHc=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=ETWC3PUztLMZwBlgzpRw3vVIi3geRiYoqpDzVxfvBBwoa69kw8fGsPBrtutrMUnBd ey0ZMOgU8W3uepE6VJ6mcoR6oi0hcJudFxnL4bexm/f733KSokzXsEno5u6K+SLjvt PJoxFmX6oZHBZoWqtTkEHekoETwNtwKxg23d+JsE= Received: from p1gen2.localdomain (unknown [192.168.100.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: perex) by mail1.perex.cz (Perex's E-mail Delivery System) with ESMTPSA; Thu, 11 Mar 2021 11:24:22 +0100 (CET) Subject: Re: No sound cards detected on Kabylake laptops after upgrade to kernel 5.8 To: Chris Chiu , Cezary Rojewski Cc: alsa-devel@alsa-project.org, Linux Kernel , yang.jie@linux.intel.com, pierre-louis.bossart@linux.intel.com, Takashi Iwai , liam.r.girdwood@linux.intel.com, broonie@kernel.org References: From: Jaroslav Kysela Message-ID: Date: Thu, 11 Mar 2021 11:24:22 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dne 11. 03. 21 v 6:50 Chris Chiu napsal(a): > On Tue, Mar 9, 2021 at 11:29 PM Cezary Rojewski > wrote: >> >> On 2021-03-09 1:19 PM, Chris Chiu wrote: >>> Hi Guys, >>> We have received reports that on some Kabylake laptops (Acer Swift >>> SF314-54/55 and Lenovo Yoga C930...etc), all sound cards no longer be >>> detected after upgrade to kernel later than 5.8. These laptops have >>> one thing in common, all of them have Realtek audio codec and connect >>> the internal microphone to DMIC of the Intel SST controller either >>> [8086:9d71] or [8086:9dc8]. Please refer to >>> https://bugzilla.kernel.org/show_bug.cgi?id=201251#c246 and >>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1915117. >>> >>> From the dmesg from kernel 5.8, the sound related parts only show >>> as follows but the expected snd_hda_codec_realtek and the snd_soc_skl >>> are not even loaded then. >>> [ 13.357495] snd_hda_intel 0000:00:1f.3: DSP detected with PCI >>> class/subclass/prog-if info 0x040100 >>> [ 13.357500] snd_hda_intel 0000:00:1f.3: Digital mics found on >>> Skylake+ platform, using SST driver >>> >>> Building the kernel with the CONFIG_SND_SOC_INTEL_KBL removed can >>> load the snd_hda_codec_realtek successfully and the pulseaudio and >>> alsa-utils can detect the sound cards again. The result of bisecting >>> between kernel 5.4 and 5.8 also get similar result, reverting the >>> commit "ALSA: hda: Allow SST driver on SKL and KBL platforms with >>> DMIC" can fix the issue. I tried to generate the required firmware for >>> snd_soc_skl but it did not help. Please refer to what I did in >>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1915117/comments/14 >>> and https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1915117/comments/18. >>> >>> Since the skl_hda_dsp_generic-tplg.bin and dfw_sst.bin are not in >>> the linux-firmware. The Intel SST support for Skylake family is not >>> yet complete. Can we simply revert the "ALSA: hda: Allow SST driver on >>> SKL and KBL platforms with DMIC" in the current stage and wait for SOF >>> support for Skylake family? Or please suggest a better solution for >>> this. Thanks >>> >>> Chris >>> >> >> Hello Chris, >> >> Guide: "Linux: HDA+DMIC with skylake driver" [1] should help >> understanding history behind the problem as well as fixing it. >> >> Upstream skylake driver - snd_soc_skl - is intended to support HDA DSP + >> DMIC configuration via means of snd_soc_skl_hda_dsp machine board >> driver. You _may_ switch to legacy HDAudio driver - snd_hda_intel - >> losing DMIC support in the process. To remove any confusion - for >> Skylake and Kabylake platforms, snd_soc_skl is your option. >> >> Now, due to above, I doubt any skylake-related topology has ever been >> upstreamed to linux-firmware as a) most boards are I2S-based, these are >> used by our clients which we support via separate channel b) hda >> dsp+dmic support on linux for missing until early 2020. >> >> Topologies for most common skylake driver configurations: >> - skl/kbl with i2s rt286 >> - apl/glk with i2s rt298 >> - with hda dsp >> can be found in alsa-topology-conf [2]. >> >> Standard, official tool called 'alsatplg' is capable of compiling these >> into binary form which, after being transferred to /lib/firmware/ may be >> consumed by the driver during runtime. >> I have no problem with providing precompiled binaries to linux-firmware, >> if that's what community wants. >> >> Regards, >> Czarek >> >> > > I think the guild [1] is too complicated for normal users to fix the problem. > Given it's not only the internal microphone being affected, it's no sound > devices being created at all so no audio functions can work after kernel 5.8. > > Is there any potential problem to built-in the " with hda dsp" precompiled > binary in linux-firmware? How do you distribute the SOF firmware? I'm going to include those binary topology files to the SOF firmware package for Fedora. Perhaps, you may follow this. Jaroslav > > Chris > >> [1]: https://gist.github.com/crojewsk/4e6382bfb0dbfaaf60513174211f29cb >> [2]: https://github.com/alsa-project/alsa-topology-conf/tree/master/topology -- Jaroslav Kysela Linux Sound Maintainer; ALSA Project; Red Hat, Inc.