From: Cezary Rojewski <cezary.rojewski@intel.com>
To: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: alsa-devel@alsa-project.org,
Christian Bundy <christianbundy@fraction.io>,
yang.jie@linux.intel.com, zwisler@google.com,
liam.r.girdwood@linux.intel.com, broonie@kernel.org
Subject: Re: [bug report] 'ASoC: Intel: haswell: Power transition refactor' and PulseAudio
Date: Tue, 1 Sep 2020 16:11:06 +0200 [thread overview]
Message-ID: <f19d9eed-8af8-fcbc-bc56-ffdc29ca8a57@intel.com> (raw)
In-Reply-To: <c5e8615d-5c8c-3aba-7ec6-6349ef4edbce@linux.intel.com>
On 2020-09-01 3:38 PM, Pierre-Louis Bossart wrote:
> On 9/1/20 6:33 AM, Cezary Rojewski wrote:
...
>>
>> Hello Christian,
>>
>> Thank you for report! Issue is a known one to us and has already been
>> addressed by:
>>
>> [PATCH v4 00/13] ASoC: Intel: Catpt - Lynx and Wildcat point
>> https://www.spinics.net/lists/alsa-devel/msg113762.html
>>
>> waiting for final dependency to be merged (Andy's resource-API
>> changes, as Mark already added the SPI ones) so v5 with review changes
>> can be provided. Shouldn't be long before this gets merged. As
>> consequence, /haswell/ ceases to exist.
>
> That leaves people with no working sound for 5.8 and 5.9.
>
>> Basically, once power-cycle (D0 -> D3 -> D0 transition flow) had been
>> fixed, more - previously hidden - problems arisen. Instead of sending
>> 70+ patches to Mark refactoring existing code to recommended flow (+
>> readability and performance improvements), replacement is provided
>> along with old code being removed entirely.
>>
>> For now, if there's a possibility for you to modify your kernel, said
>> patch can be safely removed from your local repo. Note: following is
>> the outcome:
>> - DMA init may occasionally fail on early boot (audio card won't be
>> present at all, requires reboot)
>> - D0/D3 flow doesn't follow recommended sequence and thus power-saving
>> may be limited or non-existent
>> Probably still better than permanently fuzzied audio..
>
> Doesn't this mean that a revert is needed and applied to -stable for 5.8
> and 5.9?
>
I believe you're right Pierre, revert should be provided. I'll see to it.
Czarek
next prev parent reply other threads:[~2020-09-01 14:12 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-31 21:55 [bug report] 'ASoC: Intel: haswell: Power transition refactor' and PulseAudio Christian Bundy
2020-09-01 11:33 ` Cezary Rojewski
2020-09-01 13:38 ` Pierre-Louis Bossart
2020-09-01 14:11 ` Cezary Rojewski [this message]
2020-09-01 15:23 ` Liam Girdwood
2020-09-01 15:37 ` Cezary Rojewski
2020-09-01 17:25 ` Christian Bundy
2020-09-01 20:31 ` Liam Girdwood
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