From: Vinod Koul <vkoul@kernel.org>
To: Tony Lindgren <tony@atomide.com>
Cc: linux-omap@vger.kernel.org, dmaengine@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Peter Ujfalusi <peter.ujfalusi@ti.com>
Subject: Re: [PATCH] dmaengine: ti: omap-dma: Block PM if SDMA is busy to fix audio
Date: Tue, 10 Nov 2020 18:14:59 +0530 [thread overview]
Message-ID: <20201110124459.GA161013@vkoul-mobl> (raw)
In-Reply-To: <20201109154013.11950-1-tony@atomide.com>
On 09-11-20, 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.
Grabbed the patch with b4 and looks good, so applied now
--
~Vinod
prev parent reply other threads:[~2020-11-10 12:45 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
2020-11-10 12:41 ` Vinod Koul
2020-11-10 12:57 ` Tony Lindgren
2020-11-10 12:44 ` Vinod Koul [this message]
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