Refactoring topology name fixup of Intel mach #5037

brentlu · 2024-06-04T02:49:29Z

This pull request tries to use the code which fixup I2S topology file name to fixup HDA/SDW topology as well. Then redundant code could be removed.

plbossart

Sorry, not following this at all, it's a lot of code changes and I don't really see what you are trying to fix.

plbossart · 2024-06-04T05:09:01Z

include/sound/soc-acpi-intel-match.h

@@ -51,6 +51,9 @@ extern struct snd_soc_acpi_mach snd_soc_acpi_intel_ptl_sdw_machines[];
 * generic table used for HDA codec-based platforms, possibly with
 * additional ACPI-enumerated codecs
 */
+#define SND_SOC_ACPI_INTEL_HDA_MACH_SKL 0
+#define SND_SOC_ACPI_INTEL_HDA_MACH_SOF 1


do we need to do this?

Most of the SKL/KBL platforms with the DSP are supposed to use the AVS driver now.

Rather than deal with differences with an obsolete driver, maybe we should remove support for HDaudio in SKL?

@crojewsk what do you think?

Sorry for the delay. I'll take a look today and respond either today or tomorrow. Thank you @plbossart for informing me about this.

ACK for ignoring skylake-driver here.

brentlu · 2024-06-04T07:41:28Z

There is no bug/issue here. I just try to use same code to fixup topology name of I2S/HDA machine drivers. And yes, we could use same code for SDW as well. Let me upload an new version after local testing. Thanks.

brentlu · 2024-06-05T11:18:37Z

I've uploaded new patches which are focusing on the topology name fixup and minimizing each patch. Now all mach could use same code to handle DMIC name fixup (-dmicXch or -Xch). The flow to enumerate mach is not touched. Only the code related to topology name fixup is modified.

plbossart · 2024-06-06T16:44:30Z

Not sure what's going on but we've got a nasty TGL IPC timeout I don't recall having seen before:

https://sof-ci.01.org/linuxpr/PR5037/build3377/devicetest/index.html?model=TGLU_UP_HDA-ipc4&testcase=check-signal-stop-start-capture-10

brentlu · 2024-06-11T05:38:50Z

Not sure what's going on but we've got a nasty TGL IPC timeout I don't recall having seen before:

https://sof-ci.01.org/linuxpr/PR5037/build3377/devicetest/index.html?model=TGLU_UP_HDA-ipc4&testcase=check-signal-stop-start-capture-10

This PR only touch topology name string. Should not result in runtime IPC error. Maybe we could rerun the test?

plbossart · 2024-06-13T14:35:05Z

SOFCI TEST

plbossart · 2024-06-17T11:15:10Z

SOFCI TEST

brentlu · 2024-07-05T00:18:42Z

Hi @plbossart @bardliao , is this PR looking good to you?

bardliao · 2024-07-05T01:00:48Z

sound/soc/sof/intel/hda.c


- hda_mach->mach_params.dmic_num = dmic_num;
- pdata->tplg_filename = tplg_filename;


Don't we need to assign pdata->tplg_filename?

We need to keep it NULL because caller (hda_machine_select()) will check this variable again for the value of its tplg_fixup local variable. So here we update the file name string in mach.

plbossart

I am afraid we missed the train for 6.11 while we were busy with other things. This will have to wait a bit @brentlu before being merged.

sound/soc/intel/common/soc-acpi-intel-hda-match.c

sound/soc/sof/intel/hda.c

plbossart · 2024-07-05T06:27:59Z

sound/soc/sof/intel/hda.c

@@ -1348,7 +1366,7 @@ struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev)
 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
 "%s%s%d%s",
 sof_pdata->tplg_filename,
- "-dmic",
+ i2s_mach_found ? "-dmic" : "-",


that's almost the same code as line 580, so there's likely additional simplifications possible.

sound/soc/sof/intel/hda.c

plbossart · 2024-07-19T06:22:53Z

sound/soc/sof/intel/hda.c


 /*
 * If tplg file name is overridden, use it instead of
 * the one set in mach table
 */
 if (!sof_pdata->tplg_filename) {
- sof_pdata->tplg_filename = mach->sof_tplg_filename;
+ /* remove file extension if exist */


if is exists

plbossart · 2024-07-19T06:24:27Z

sound/soc/sof/intel/hda.c

@@ -1359,8 +1272,24 @@ struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev)
 /* report to machine driver if any DMICs are found */
 mach->mach_params.dmic_num = check_dmic_num(sdev);

+ /* SDW mach does not use DMIC quirk flag. */


I can't figure out what this comment means, and same for the commit message

SDW mach does not use the DMIC quirk flag and pass full topology name
with file extension to SOF driver. Therefore, we add extra code to
hda_generic_machine_select() function to cope with the difference.

if the goal was to unify, why do we still need differences with SoundWire handling for the dmic case? it's the same in the end, we need the -2ch or -4ch suffix appended, no?

Sorry my wording is misleading. In this PR I am trying to use same code to do topology name fixup for all I2S/HDA/SDW mach. There is no functional change in these commits. I'm updating the git commit/comment for more accurate description.

Currently both Skylake and SOF platform driver enumerate same HDA machine driver 'skl_hda_dsp_generic' for HDA external codec. This commit removes HDA external codec support on Skylake platform so the machine driver will be used by SOF only. Signed-off-by: Brent Lu <brent.lu@intel.com>

Move I2S mach's topology name fixup code to the end of machine driver enumeration flow so HDA mach could also use same code to fixup its topology file name as well. No functional change in this commit. Signed-off-by: Brent Lu <brent.lu@intel.com>

plbossart

@bardliao can you please take a look?

plbossart · 2024-07-22T19:28:22Z

sound/soc/sof/intel/hda.c

@@ -511,6 +511,8 @@ static int check_dmic_num(struct snd_sof_dev *sdev)
 if (nhlt)
 dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);

+ dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num);
+


typo in commit message: extenion

Remove SDW mach's topology name fixup code and use the code in hda_machine_select() to fixup its topology file name. No functional change in this commit. Compared with I2S/HDA mach, SDW mach always fixup topology file name with dmic num without using DMIC quirk flag and pass topology name with file extension to SOF driver. Therefore, we add extra code to remove file extension if it exists. Signed-off-by: Brent Lu <brent.lu@intel.com>

marc-hb · 2024-07-30T04:43:27Z

if the goal was to unify, why do we still need differences with SoundWire handling for the dmic case? it's the same in the end, we need the -2ch or -4ch suffix appended, no?

There is no functional change in these commits.

Are you sure? The firmware just stopped loading in some configurations with 2 DMICs:

sof_sdw: init platform error / mc_probe failure - no audio device (dmic_num issue) #5124

brentlu requested review from bardliao, lgirdwood, plbossart, ranj063, kv2019i, dbaluta and ujfalusi as code owners June 4, 2024 02:49

plbossart reviewed Jun 4, 2024

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brentlu force-pushed the hda-mach-1 branch 2 times, most recently from 7951c54 to c904c90 Compare June 5, 2024 01:35

brentlu changed the title ~~HDA machine driver update - 1~~ Unifi topology name fixup for Intel mach Jun 5, 2024

brentlu force-pushed the hda-mach-1 branch 2 times, most recently from 1a44930 to edc8426 Compare June 5, 2024 11:12

bardliao reviewed Jul 5, 2024

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plbossart reviewed Jul 5, 2024

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brentlu force-pushed the hda-mach-1 branch 2 times, most recently from 4168024 to 0208fa3 Compare July 19, 2024 05:36

plbossart reviewed Jul 19, 2024

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brentlu force-pushed the hda-mach-1 branch from 0208fa3 to 1fe9061 Compare July 22, 2024 03:39

brentlu changed the title ~~Unifi topology name fixup for Intel mach~~ Refactoring topology name fixup of Intel mach Jul 22, 2024

brentlu force-pushed the hda-mach-1 branch from 1fe9061 to 6e6f12d Compare July 22, 2024 03:48

brentlu added 2 commits July 22, 2024 17:28

plbossart approved these changes Jul 22, 2024

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brentlu force-pushed the hda-mach-1 branch from 6e6f12d to dbab6ca Compare July 23, 2024 02:18

bardliao approved these changes Jul 23, 2024

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plbossart merged commit dc9dd7b into thesofproject:topic/sof-dev Jul 26, 2024
11 of 15 checks passed

marc-hb mentioned this pull request Jul 29, 2024

sof_sdw: init platform error / mc_probe failure - no audio device (dmic_num issue) #5124

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Refactoring topology name fixup of Intel mach #5037

Refactoring topology name fixup of Intel mach #5037

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marc-hb commented Jul 30, 2024


		hda_mach->mach_params.dmic_num = dmic_num;
		pdata->tplg_filename = tplg_filename;

Refactoring topology name fixup of Intel mach #5037

Refactoring topology name fixup of Intel mach #5037

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