Re: [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait

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Subject: Re: [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait
From: Dmitry Osipenko <digetx@xxxxxxxxx>
Date: Fri, 17 Jul 2020 23:14:52 +0300
Cc: sboyd@xxxxxxxxxx, gregkh@xxxxxxxxxxxxxxxxxxx, linux-media@xxxxxxxxxxxxxxx, devicetree@xxxxxxxxxxxxxxx, linux-tegra@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-i2c@xxxxxxxxxxxxxxx
In-reply-to: <b125deab-7900-6266-d405-4d7f029089b4@nvidia.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

17.07.2020 18:41, Sowjanya Komatineni пишет:
...
>> Also, what about the auto-calibration? Isn't it needed to be enabled for
>> CSI?
> STARTCAL does one time calibration and with AUTOCAL calibration will be
> triggered periodically.
> 
> For pads PULLUP/PULLDN/TERM impedance calibration, we only need one-time
> calibration on pads power up.
> 
> We always use one time pads calibration for CSI.

Alright, thank you for the clarification!

References:
- [RFC PATCH v3 00/18] Support for Tegra video capture from external sensor
  - From: Sowjanya Komatineni
- [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait
  - From: Sowjanya Komatineni
- Re: [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait
  - From: Dmitry Osipenko
- Re: [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait
  - From: Sowjanya Komatineni
- Re: [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait
  - From: Dmitry Osipenko
- Re: [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait
  - From: Sowjanya Komatineni
- Re: [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait
  - From: Dmitry Osipenko
- Re: [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait
  - From: Sowjanya Komatineni
- Re: [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait
  - From: Sowjanya Komatineni
- Re: [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait
  - From: Dmitry Osipenko
- Re: [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait
  - From: Sowjanya Komatineni
- Re: [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait
  - From: Sowjanya Komatineni
- Re: [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait
  - From: Dmitry Osipenko
- Re: [RFC PATCH v3 16/18] gpu: host1x: mipi: Split tegra_mipi_calibrate and tegra_mipi_wait
  - From: Sowjanya Komatineni

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