linux-kernel - Re: [PATCH v5] dmaengine: tegra-apb: Support per-burst residue granularity

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Date:   Thu, 25 Jul 2019 16:44:07 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Laxman Dewangan <ldewangan@...dia.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Ben Dooks <ben.dooks@...ethink.co.uk>,
        dmaengine@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5] dmaengine: tegra-apb: Support per-burst residue
 granularity

25.07.2019 13:26, Vinod Koul пишет:
> On 05-07-19, 18:05, Dmitry Osipenko wrote:
>> Tegra's APB DMA engine updates words counter after each transferred burst
>> of data, hence it can report transfer's residual with more fidelity which
>> may be required in cases like audio playback. In particular this fixes
>> audio stuttering during playback in a chromium web browser. The patch is
>> based on the original work that was made by Ben Dooks and a patch from
>> downstream kernel. It was tested on Tegra20 and Tegra30 devices.
> 
> Applied, thanks
> 

Thanks!