From: Dmitry Osipenko <digetx@gmail.com>
To: Sowjanya Komatineni <skomatineni@nvidia.com>,
thierry.reding@gmail.com, jonathanh@nvidia.com,
frankc@nvidia.com, hverkuil@xs4all.nl, sakari.ailus@iki.fi,
robh+dt@kernel.org, helen.koike@collabora.com
Cc: sboyd@kernel.org, gregkh@linuxfoundation.org,
linux-media@vger.kernel.org, devicetree@vger.kernel.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-i2c@vger.kernel.org
Subject: Re: [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait
Date: Fri, 17 Jul 2020 02:01:28 +0300 [thread overview]
Message-ID: <a2b8169c-c4a3-4862-cd27-8c1a51ddc558@gmail.com> (raw)
In-Reply-To: <ce0c5ffb-f859-0eab-1ea5-044623dff221@nvidia.com>
17.07.2020 01:49, Sowjanya Komatineni пишет:
>> What keeps MIPI clock enabled after completion of the
>> tegra_mipi_calibrate() invocation?
>
> MIPI clock is disabled at end of tegra_mipi_calibrate and is re-enabled
> during tegra_mipi_wait.
>
> I think I should fix this to keep the clock enabled till calibration
> results are latched.
>
> All consumers of tegra_mipi_calibrate() will call tegra_mipi_wait().
>
> So will remove clk_disable mipi clk at end of tegra_mipi_calibrate() and
> clk_enable mipi_clk at beginning of tegra_mipi_wait()
Isn't it possible to perform the calibration after enabling CSI and
before of starting the sensor streaming?
next prev parent reply other threads:[~2020-07-16 23:09 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-15 4:20 [RFC PATCH v3 00/18] Support for Tegra video capture from external sensor Sowjanya Komatineni
2020-07-15 4:20 ` [RFC PATCH v3 01/18] dt-bindings: i2c: tegra: Document Tegra210 VI I2C clocks and power-domains Sowjanya Komatineni
2020-07-16 13:25 ` Thierry Reding
2020-07-15 4:20 ` [RFC PATCH v3 02/18] arm64: tegra: Add missing clocks and power-domains to Tegra210 VI I2C Sowjanya Komatineni
2020-07-16 13:25 ` Thierry Reding
2020-07-15 4:20 ` [RFC PATCH v3 03/18] i2c: tegra: Don't mark VI I2C as IRQ safe runtime PM Sowjanya Komatineni
2020-07-15 4:20 ` [RFC PATCH v3 04/18] i2c: tegra: Remove NULL pointer check before clk_enable/disable/prepare/unprepare Sowjanya Komatineni
2020-07-16 20:25 ` Dmitry Osipenko
2020-07-15 4:20 ` [RFC PATCH v3 05/18] i2c: tegra: Fix the error path in tegra_i2c_runtime_resume Sowjanya Komatineni
2020-07-15 4:20 ` [RFC PATCH v3 06/18] i2c: tegra: Fix runtime resume to re-init VI I2C Sowjanya Komatineni
2020-07-15 4:20 ` [RFC PATCH v3 07/18] i2c: tegra: Avoid tegra_i2c_init_dma() for Tegra210 vi i2c Sowjanya Komatineni
2020-07-15 4:20 ` [RFC PATCH v3 08/18] media: tegra-video: Fix channel format alignment Sowjanya Komatineni
2020-07-15 4:20 ` [RFC PATCH v3 09/18] media: tegra-video: Enable TPG based on kernel config Sowjanya Komatineni
2020-07-15 4:20 ` [RFC PATCH v3 10/18] media: tegra-video: Update format lookup to offset based Sowjanya Komatineni
2020-07-15 4:20 ` [RFC PATCH v3 11/18] dt-bindings: tegra: Update VI and CSI bindings with port info Sowjanya Komatineni
2020-07-16 19:09 ` Rob Herring
2020-07-15 4:20 ` [RFC PATCH v3 12/18] media: tegra-video: Add support for external sensor capture Sowjanya Komatineni
2020-07-15 4:20 ` [RFC PATCH v3 13/18] media: tegra-video: Add support for selection ioctl ops Sowjanya Komatineni
2020-07-15 4:20 ` [RFC PATCH v3 14/18] gpu: host1x: mipi: Update tegra_mipi_request() to be node based Sowjanya Komatineni
2020-07-16 20:26 ` Dmitry Osipenko
2020-07-15 4:20 ` [RFC PATCH v3 15/18] gpu: host1x: mipi: Use readl_relaxed_poll_timeout in tegra_mipi_wait Sowjanya Komatineni
2020-07-15 4:20 ` [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait Sowjanya Komatineni
2020-07-16 20:38 ` Dmitry Osipenko
2020-07-16 21:09 ` Sowjanya Komatineni
2020-07-16 21:18 ` Dmitry Osipenko
2020-07-16 22:49 ` Sowjanya Komatineni
2020-07-16 23:01 ` Dmitry Osipenko [this message]
2020-07-16 23:06 ` Sowjanya Komatineni
2020-07-16 23:09 ` Sowjanya Komatineni
2020-07-16 23:47 ` Dmitry Osipenko
2020-07-17 0:16 ` Sowjanya Komatineni
2020-07-17 4:46 ` Sowjanya Komatineni
2020-07-17 15:01 ` Dmitry Osipenko
2020-07-17 15:41 ` Sowjanya Komatineni
2020-07-17 20:14 ` Dmitry Osipenko
2020-07-15 4:20 ` [RFC PATCH v3 17/18] media: tegra-video: Add CSI MIPI pads calibration Sowjanya Komatineni
2020-07-15 4:20 ` [RFC PATCH v3 18/18] media: tegra-video: Compute settle times based on the clock rate Sowjanya Komatineni
2020-07-17 10:54 ` [RFC PATCH v3 00/18] Support for Tegra video capture from external sensor Hans Verkuil
2020-07-17 16:34 ` Sowjanya Komatineni
2020-07-17 17:08 ` Hans Verkuil
2020-07-17 17:23 ` Sowjanya Komatineni
2020-07-17 17:38 ` Sowjanya Komatineni
2020-07-17 17:48 ` Sowjanya Komatineni
2020-07-20 4:41 ` Sowjanya Komatineni
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