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From: Tony Lindgren <tony@atomide.com>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: dmaengine@vger.kernel.org, Vinod <vkoul@kernel.org>,
	linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] dmaengine: ti: omap-dma: Block PM if SDMA is busy to fix audio
Date: Tue, 10 Nov 2020 13:33:46 +0200	[thread overview]
Message-ID: <20201110113346.GD26857@atomide.com> (raw)
In-Reply-To: <39089a2c-a883-d9b4-f1d6-493af2190410@ti.com>

* Peter Ujfalusi <peter.ujfalusi@ti.com> [201110 07:59]:
> Hi,
> 
> On 10/11/2020 9.58, Peter Ujfalusi wrote:
> > Hi Tony,
> > 
> > On 09/11/2020 17.40, Tony Lindgren wrote:
> >> We now use cpu_pm for saving and restoring device context for deeper SoC
> >> idle states. But for omap3, we must also block idle if SDMA is busy.
> >>
> >> If we don't block idle when SDMA is busy, we eventually end up saving and
> >> restoring SDMA register state on PER domain idle while SDMA is active and
> >> that causes at least audio playback to fail.
> > 
> > Thanks for the fix!
> > 
> > Tested-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
> > Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
> > 
> > Vinod: Can you take this for 5.10 as a fix? The off mode got enabled by
> > default in 5.10-rc1 and audio got broken out of box.
> 
> to Vinod with corrected email address..

Sorry about that, I've bounced the original patch too. Vinod let me know if
you want me to resend the patch.

Regards,

Tony

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  reply	other threads:[~2020-11-10 11:35 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-09 15:40 [PATCH] dmaengine: ti: omap-dma: Block PM if SDMA is busy to fix audio Tony Lindgren
2020-11-10  7:58 ` Peter Ujfalusi
2020-11-10  8:00   ` Peter Ujfalusi
2020-11-10 11:33     ` Tony Lindgren [this message]
2020-11-10 12:41       ` Vinod Koul
2020-11-10 12:57         ` Tony Lindgren
2020-11-10 12:44 ` Vinod Koul

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