Re: [PATCH] dmaengine: ti: omap-dma: Block PM if SDMA is busy to fix audio

From: Vinod Koul <vkoul@kernel.org>
To: Tony Lindgren <tony@atomide.com>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>,
	linux-omap@vger.kernel.org, dmaengine@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 18:11:16 +0530	[thread overview]
Message-ID: <20201110124116.GS3171@vkoul-mobl> (raw)
In-Reply-To: <20201110113346.GD26857@atomide.com>

On 10-11-20, 13:33, Tony Lindgren wrote:
> * 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.

That is okay, we have b4 now, so not much of a hassle to grab, review
and apply, will do that shortly

And here is my rant to use get_maintainers.pl which should have pointed
you to the correct address ;-)

-- 
~Vinod