Regression on Intel Atom/SST/Baytrail devices w/ v5.7-rc1

[Pierre-Louis Bossart]

Hi,
With Mark's for-next tree and v5.7-rc1 I get these really bad errors 
with the Atom/SST driver on a Baytrail device - found by accident while 
trying to validate UCM changes.

[    9.741953] intel_sst_acpi 80860F28:00: FW Version 01.0c.00.01
[    9.832992] intel_sst_acpi 80860F28:00: FW sent error response 0x40034
[    9.833019] intel_sst_acpi 80860F28:00: FW alloc failed ret -4
[    9.833028] intel_sst_acpi 80860F28:00: sst_get_stream returned err -5
[    9.833033] sst-mfld-platform sst-mfld-platform: ASoC: DAI prepare 
error: -5
[    9.833037]  Baytrail Audio Port: ASoC: prepare FE Baytrail Audio 
Port failed
[    9.853942] intel_sst_acpi 80860F28:00: FW sent error response 0x40034
[    9.853974] intel_sst_acpi 80860F28:00: FW alloc failed ret -4
[    9.853984] intel_sst_acpi 80860F28:00: sst_get_stream returned err -5
[    9.853990] sst-mfld-platform sst-mfld-platform: ASoC: DAI prepare 
error: -5
[    9.853994]  Baytrail Audio Port: ASoC: prepare FE Baytrail Audio 
Port failed

Trying to bisect, the errors change at some point:

[c77b8317ee3ab43634421afb73fdb1ea253d3d47] ASoC: mediatek: 
mt8183-da7219: use SND_SOC_DAPM_PINCTRL in TDM out

[    9.387540] bytcr_rt5640 bytcr_rt5640: ASoC: can't get playback BE 
for Headset Playback
[    9.387551] bytcr_rt5640 bytcr_rt5640: ASoC: can't get playback BE 
for media1_in
[    9.387556] bytcr_rt5640 bytcr_rt5640: ASoC: can't get playback BE 
for media0_out mix 0
[    9.387561] bytcr_rt5640 bytcr_rt5640: ASoC: can't get playback BE 
for media0_out
[    9.387566] bytcr_rt5640 bytcr_rt5640: ASoC: can't get playback BE 
for pcm0_in
[    9.387570] bytcr_rt5640 bytcr_rt5640: ASoC: can't get playback BE 
for modem_out mix 0
[    9.387575] bytcr_rt5640 bytcr_rt5640: ASoC: can't get playback BE 
for modem_out
[    9.387580] bytcr_rt5640 bytcr_rt5640: ASoC: can't get playback BE 
for codec_out0 mix 0
[    9.387584] bytcr_rt5640 bytcr_rt5640: ASoC: can't get playback BE 
for codec_out0

And then from
[5d3c644773925c3568617435e42a9404a114c428] drm/mediatek: support HDMI 
jack status reporting to v5.6-rc1 I get those time outs...

[   21.031638] intel_sst_acpi 80860F28:00: Wait timed-out condition:0x0, 
msg_id:0x1 fw_state 0x3
[   21.031661] intel_sst_acpi 80860F28:00: fw returned err -16
[   21.031692] sst-mfld-platform sst-mfld-platform: ASoC: PRE_PMD: 
pcm0_in event failed: -16

Both 5.5 and 5.6 work though, as if we are missing a set of 
dependencies? I am running out of time this evening, but I'd be good to 
see if anyone else reproduces my findings.

Thanks
-Pierre