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From: Sowjanya Komatineni <skomatineni@nvidia.com>
To: Dmitry Osipenko <digetx@gmail.com>, <thierry.reding@gmail.com>,
	<jonathanh@nvidia.com>, <frankc@nvidia.com>, <hverkuil@xs4all.nl>,
	<sakari.ailus@iki.fi>, <helen.koike@collabora.com>
Cc: <sboyd@kernel.org>, <linux-media@vger.kernel.org>,
	<devicetree@vger.kernel.org>, <linux-clk@vger.kernel.org>,
	<linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH v10 6/9] media: tegra: Add Tegra210 Video input driver
Date: Sat, 25 Apr 2020 18:04:00 -0700	[thread overview]
Message-ID: <64b636af-a63f-6c5e-5d66-d481f79660c2@nvidia.com> (raw)
In-Reply-To: <ae7a4614-c84c-f5dd-d0a5-4090e1bf5a9d@gmail.com>


On 4/25/20 4:29 PM, Dmitry Osipenko wrote:
> External email: Use caution opening links or attachments
>
>
> 24.04.2020 06:55, Sowjanya Komatineni пишет:
>> +static int tegra_csi_init(struct host1x_client *client)
>> +{
>> +     struct tegra_csi *csi = host1x_client_to_csi(client);
>> +     struct tegra_video_device *vid = dev_get_drvdata(client->host);
>> +     int ret;
>> +
>> +     INIT_LIST_HEAD(&csi->csi_chans);
>> +
>> +     ret = pm_runtime_get_sync(csi->dev);
>> +     if (ret < 0) {
>> +             dev_err(csi->dev, "failed to get runtime PM: %d\n", ret);
>> +             pm_runtime_put_noidle(csi->dev);
>> +             return ret;
>> +     }
> The whole point of RPM is to keep hardware enabled only when needed,
> i.e. during of the capture process in this case. You should move all RPM
> handling to the capture start / stop functions.
Will move it to handle during stream start/stop

  reply	other threads:[~2020-04-26  1:04 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-24  3:55 [RFC PATCH v10 0/9] Add Tegra driver for video capture Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 1/9] arm64: tegra: Fix sor powergate clocks and reset Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 2/9] arm64: tegra: Add reset-cells to mc Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 3/9] dt-bindings: clock: tegra: Add clk id for CSI TPG clock Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 4/9] clk: tegra: Add Tegra210 CSI TPG clock gate Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 5/9] dt-binding: tegra: Add VI and CSI bindings Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 6/9] media: tegra: Add Tegra210 Video input driver Sowjanya Komatineni
2020-04-24 15:07   ` Dmitry Osipenko
2020-04-24 22:00     ` Sowjanya Komatineni
2020-04-25 22:08       ` Dmitry Osipenko
2020-04-25 22:11         ` Sowjanya Komatineni
2020-04-25 23:40           ` Dmitry Osipenko
2020-04-25 23:44             ` Sowjanya Komatineni
2020-04-26  0:19               ` Dmitry Osipenko
2020-04-26  0:24                 ` Sowjanya Komatineni
2020-04-26  0:38                   ` Dmitry Osipenko
2020-04-26  8:07                 ` Hans Verkuil
2020-04-24 15:11   ` Dmitry Osipenko
2020-04-25  9:36     ` Hans Verkuil
2020-04-26  0:36       ` Dmitry Osipenko
2020-04-26  0:41         ` Sowjanya Komatineni
2020-04-26  1:08           ` Sowjanya Komatineni
2020-04-26  1:26             ` Dmitry Osipenko
2020-04-26  1:43               ` Sowjanya Komatineni
2020-04-26  2:10                 ` Dmitry Osipenko
2020-04-26  2:19                   ` Sowjanya Komatineni
2020-04-26  2:38                     ` Dmitry Osipenko
2020-04-26  2:48                       ` Sowjanya Komatineni
2020-04-26  3:03                         ` Sowjanya Komatineni
2020-04-26  2:19                   ` Dmitry Osipenko
2020-04-26  4:23                     ` Sowjanya Komatineni
2020-04-26  5:48                       ` Dmitry Osipenko
2020-04-26  4:42                   ` Dmitry Osipenko
2020-04-26  4:47                     ` Sowjanya Komatineni
2020-04-26  5:04                       ` Dmitry Osipenko
2020-04-26  5:51                       ` Dmitry Osipenko
2020-04-26  8:27                         ` Sowjanya Komatineni
2020-04-25 23:13   ` Dmitry Osipenko
2020-04-25 23:19     ` Sowjanya Komatineni
2020-04-25 23:25     ` Dmitry Osipenko
2020-04-25 23:27       ` Sowjanya Komatineni
2020-04-25 23:44         ` Dmitry Osipenko
2020-04-25 23:47           ` Sowjanya Komatineni
2020-04-25 23:29   ` Dmitry Osipenko
2020-04-26  1:04     ` Sowjanya Komatineni [this message]
2020-04-24  3:55 ` [RFC PATCH v10 7/9] MAINTAINERS: Add Tegra Video driver section Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 8/9] dt-bindings: reset: Add ID for Tegra210 VI reset Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 9/9] arm64: tegra: Add Tegra VI CSI support in device tree Sowjanya Komatineni

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