Subject: Re: [PATCH 1/3] ALSA: hda/tegra: Skip reset on BPMP devices
To:     Sameer Pujar <spujar@nvidia.com>, tiwai@suse.com,
        broonie@kernel.org, lgirdwood@gmail.com, thierry.reding@gmail.com,
        perex@perex.cz
Cc:     jonathanh@nvidia.com, alsa-devel@alsa-project.org,
        devicetree@vger.kernel.org, linux-tegra@vger.kernel.org,
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        Mohan Kumar <mkumard@nvidia.com>, robh+dt@kernel.org
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From:   Dmitry Osipenko <digetx@gmail.com>
Message-ID: <3b0de739-7866-3886-be9c-a853c746f8b7@gmail.com>
Date:   Tue, 7 Dec 2021 21:02:14 +0300
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07.12.2021 20:37, Sameer Pujar пишет:
..
>> HDA won't be reset while display is active on T186+.
> 
> No. HDA reset is applied whenever power-domain is ungated. It can happen
> when either HDA or display device becomes active.

I said "display is active", where do you see "becomes active"?

> So I don't think that
> it is inconsistent.

If display is already active, then shared power domain is already
ungated. It won't be ungated second time in a row, HDA won't get the reset.