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=-5.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 0FB8BC10DCE for ; Wed, 18 Mar 2020 17:19:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E2B7C20757 for ; Wed, 18 Mar 2020 17:19:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726894AbgCRRTV (ORCPT ); Wed, 18 Mar 2020 13:19:21 -0400 Received: from isilmar-4.linta.de ([136.243.71.142]:48898 "EHLO isilmar-4.linta.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726774AbgCRRTV (ORCPT ); Wed, 18 Mar 2020 13:19:21 -0400 X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES Received: from light.dominikbrodowski.net (brodo.linta [10.1.0.102]) by isilmar-4.linta.de (Postfix) with ESMTPSA id F10C02005E4; Wed, 18 Mar 2020 17:19:19 +0000 (UTC) Received: by light.dominikbrodowski.net (Postfix, from userid 1000) id E36CD20B1B; Wed, 18 Mar 2020 18:19:12 +0100 (CET) Date: Wed, 18 Mar 2020 18:19:12 +0100 From: Dominik Brodowski To: Pierre-Louis Bossart Cc: cezary.rojewski@intel.com, alsa-devel@alsa-project.org, curtis@malainey.com, Keyon Jie , tiwai@suse.com, linux-kernel@vger.kernel.org, liam.r.girdwood@linux.intel.com, broonie@kernel.org Subject: Re: snd_hda_intel/sst-acpi sound breakage on suspend/resume since 5.6-rc1 Message-ID: <20200318171912.GA6203@light.dominikbrodowski.net> References: <20200318063022.GA116342@light.dominikbrodowski.net> <41d0b2b5-6014-6fab-b6a2-7a7dbc4fe020@linux.intel.com> <20200318123930.GA2433@light.dominikbrodowski.net> <20200318162029.GA3999@light.dominikbrodowski.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 18, 2020 at 12:08:24PM -0500, Pierre-Louis Bossart wrote: > On 3/18/20 11:20 AM, Dominik Brodowski wrote: > > On Wed, Mar 18, 2020 at 10:13:54AM -0500, Pierre-Louis Bossart wrote: > > > > > > > > > > > > While 5.5.x works fine, mainline as of ac309e7744be (v5.6-rc6+) causes me > > > > > > some sound-related trouble: after boot, the sound works fine -- but once I > > > > > > suspend and resume my broadwell-based XPS13, I need to switch to headphone > > > > > > and back to speaker to hear something. But what I hear isn't music but > > > > > > garbled output. > > > > > > It's my understanding that the use of the haswell driver is opt-in for Dell > > > XPS13 9343. When we run the SOF driver on this device, we have to explicitly > > > bypass an ACPI quirk that forces HDAudio to be used: > > > > > > https://github.com/thesofproject/linux/commit/944b6a2d620a556424ed4195c8428485fcb6c2bd > > > > > > Have you tried to run in plain vanilla HDAudio mode? > > > > I had (see 18d78b64fddc), but not any more in years (and I'd like to keep > > using I2S, which has worked flawlessly in these years). > > ok. I don't think Intel folks have this device available, or it's used for > other things, but if you want to bisect on you may want to use [1] to solve > DRM issues. I used it to make Broadwell/Samus work again with SOF. > > [1] https://gitlab.freedesktop.org/drm/intel/uploads/ef10c6c27fdc53d114f827bb72b078aa/0001-drm-i915-psr-Force-PSR-probe-only-after-full-initial.patch.txt > > An alternate path would be to switch to SOF. It's still viewed as a > developer option but Broadwell/Samus work reliably for me and we have a > Broadwell-rt286 platform used for CI. What do you mean with SOF? And no other ideas on the root cause than a tedious bisect? Thanks, Dominik