linux-kernel - Re: [PATCH v8 5/7] ASoC: qcom: Add support for lpass hdmi driver

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Date:   Mon, 5 Oct 2020 11:44:09 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Srinivasa Rao Mandadapu <srivasam@...eaurora.org>
Cc:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        agross@...nel.org, bjorn.andersson@...aro.org, lgirdwood@...il.com,
        robh+dt@...nel.org, plai@...eaurora.org, bgoswami@...eaurora.org,
        perex@...ex.cz, tiwai@...e.com, rohitkr@...eaurora.org,
        linux-arm-msm@...r.kernel.org, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        V Sujith Kumar Reddy <vsujithk@...eaurora.org>
Subject: Re: [PATCH v8 5/7] ASoC: qcom: Add support for lpass hdmi driver

On Sat, Oct 03, 2020 at 05:06:06PM +0530, Srinivasa Rao Mandadapu wrote:
> On 9/30/2020 8:57 PM, Srinivas Kandagatla wrote:

> > I did ask this question in multiple reviews, but never got an answer!
> > Are all the dp/hdmi port register range really volatile!?

> Sorry for incomplete response in last review comment reply.
> With making only specific DMA registers and interrupts registers true, aplay
> was stuck.

> Now we identified issue causing register and made it volatile.
> With that change it seems working fine. After doing all the tests we will
> share v9 series patch.

That sounds like the problem hasn't fully been understood yet and there
might be more going on?

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