linux-kernel - Re: x86/dma conversion for v4.17-rc1 breaks sound / sst-acpi (commit 6e4bf5867783)

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Date:   Fri, 6 Apr 2018 02:14:18 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Dominik Brodowski <linux@...inikbrodowski.net>
Cc:     hch@....de, thomas.lendacky@....com, tglx@...utronix.de,
        dwmw2@...radead.org, joro@...tes.org, jdmason@...zu.us,
        konrad.wilk@...cle.com, torvalds@...ux-foundation.org,
        mulix@...ix.org, peterz@...radead.org,
        iommu@...ts.linux-foundation.org, mingo@...nel.org,
        linux-kernel@...r.kernel.org, lgirdwood@...il.com, perex@...ex.cz,
        tiwai@...e.com, Vinod Koul <vinod.koul@...el.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Subject: Re: x86/dma conversion for v4.17-rc1 breaks sound / sst-acpi (commit
 6e4bf5867783)

On Thu, Apr 05, 2018 at 10:56:57PM +0200, Dominik Brodowski wrote:
> Christoph,
> 
> unfortunately, commit 6e4bf5867783 breaks sound on my Dell XPS13, see the
> dmesg diff between fec777c385b6 and 6e4bf5867783:

Adding Vinod and Pierre from Intel in case they have any ideas here.
Which model of XPS13 is this (2015?)?

> -sst-acpi INT3438:00: DesignWare DMA Controller, 8 channels
> -haswell-pcm-audio haswell-pcm-audio: Direct firmware load for intel/IntcPP01.bin failed with error -2
> -haswell-pcm-audio haswell-pcm-audio: fw image intel/IntcPP01.bin not available(-2)
> -haswell-pcm-audio haswell-pcm-audio: FW loaded, mailbox readback FW info: type 01, - version: 00.00, build 77, source commit id: 876ac6906f31a43b6772b23c7c983ce9dcb18a19
> -broadwell-audio broadwell-audio: snd-soc-dummy-dai <-> System Pin mapping ok
> -broadwell-audio broadwell-audio: snd-soc-dummy-dai <-> Offload0 Pin mapping ok
> -broadwell-audio broadwell-audio: snd-soc-dummy-dai <-> Offload1 Pin mapping ok
> -broadwell-audio broadwell-audio: snd-soc-dummy-dai <-> Loopback Pin mapping ok
> -broadwell-audio broadwell-audio: rt286-aif1 <-> snd-soc-dummy-dai mapping ok
> -input: broadwell-rt286 Headset as /devices/pci0000:00/INT3438:00/broadwell-audio/sound/card1/input15
> +broadwell-audio broadwell-audio: ASoC: CPU DAI System Pin not registered

> So it seems that sst-acpi is unhappy with this patch. Any ideas?

> Thanks,
> 	Dominik

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