linux-kernel - Re: Regression found (Stop-marking-clocks-as-CLK_IS

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Date:   Fri, 18 Jan 2019 16:33:28 +0100
From:   Hans de Goede <hdegoede@...hat.com>
To:     Dean Wallace <duffydack73@...il.com>
Cc:     Mogens Jensen <mogens-jensen@...tonmail.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        linux-clk <linux-clk@...r.kernel.org>,
        Stable <stable@...r.kernel.org>,
        Johannes Stezenbach <js@...21.net>,
        Carlo Caione <carlo@...lessm.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Regression found (Stop-marking-clocks-as-CLK_IS_CRITICAL)

Hi,

On 1/17/19 2:16 PM, Dean Wallace wrote:
> On 17-01-19, Hans de Goede wrote:
>> Mogens, Dean, can you please try the SND_SOC_INTEL_CHT_BSW_MAX98090_TI_MACH
>> driver, without reverting any patches, with the attached patch on top and
>> see if that helps?
> 
> Hi Hans.   Just compiled 4.20.3 with your new patch and no other
> patches.  First impressions are, this is now as stable as it has ever
> been in my experiences with this baytrail drama.  A quick run down on my
> tests/findings:-
> 
> No PLL messages on boot, good.
> Played audio using mpd, all fine.  Plugged in headphones, switches,
> stays stable, no messages.
> Unplugged/plugged again few times, no issues.
> Ran pavucontrol, stayed stable, no messages.
> I can still make it lose the lock and turn on the dalek distortion by
> switching profiles in pavucontrol (from stereo output to any other, like
> putput + input) but that has always been the case afaik for this
> machine.  So basically this is now back to working as it was before the
> 4.18.5 'clk' breakage.
> 
> One thing to mention, I don;t normally use UCM files, tho I have in the
> past, which is where I assume my asound.state file has come from, which
> makes my sound work /shrug.  Well I've just tested using the UCM, and
> things are a little less stable regarding plugging/unplugging headset a
> few times.  It loses lock, but, what's different now is after maybe 3-4
> seconds it corrects itself.  Not sure if it matters, but shows things
> are a little more stable with this patch than previously known.

Ok, thank you for testing. Lets wait a bit and then if no problems
show up I will submit the patch upstream.

Regards,

Hans