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Wed, 18 Mar 2020 10:19:05 -0700 (PDT) MIME-Version: 1.0 References: <20200318063022.GA116342@light.dominikbrodowski.net> <41d0b2b5-6014-6fab-b6a2-7a7dbc4fe020@linux.intel.com> <20200318123930.GA2433@light.dominikbrodowski.net> <20200318162029.GA3999@light.dominikbrodowski.net> In-Reply-To: From: Curtis Malainey Date: Wed, 18 Mar 2020 10:18:55 -0700 Message-ID: Subject: Re: snd_hda_intel/sst-acpi sound breakage on suspend/resume since 5.6-rc1 To: Pierre-Louis Bossart , Curtis Malainey X-Mailman-Approved-At: Thu, 19 Mar 2020 16:43:13 +0100 Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Cc: cezary.rojewski@intel.com, alsa-devel@alsa-project.org, Keyon Jie , linux-kernel@vger.kernel.org, Dominik Brodowski , tiwai@suse.com, liam.r.girdwood@linux.intel.com, broonie@kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" +Curtis Malainey -curtis@malainey.com Moving chain to my corp email. On Wed, Mar 18, 2020 at 10:09 AM Pierre-Louis Bossart < pierre-louis.bossart@linux.intel.com> 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. >