linux-kernel - [PATCH v2 00/10] media: tegra-video: Add support for capturing from HDMI-to-CSI bridge

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Message-ID: <1603768763-25590-1-git-send-email-skomatineni@nvidia.com>
Date:   Mon, 26 Oct 2020 20:19:13 -0700
From:   Sowjanya Komatineni <skomatineni@...dia.com>
To:     <skomatineni@...dia.com>, <thierry.reding@...il.com>,
        <jonathanh@...dia.com>, <hverkuil@...all.nl>
CC:     <mchehab@...nel.org>, <linux-media@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 00/10] media: tegra-video: Add support for capturing from HDMI-to-CSI bridge

This series includes below changes to allow capturing from HDMI-to-CSI bridges.
- Add DV timing, EDID and log status V4L2 IOCTLs
- Subscribe V4L2_EVENT_SOURCE_CHANGE
- Implement V4L2 device notify callback to report queue error on source change
  during active streaming.
- Add support for NV16 V4L2 Pixel format.
- Add x8 capture by multiple ports gang up for 4K captures from HDMI-to-CSI
  bridges.

Note: These patches are tested with TC358840 HDMI-to-CSI bridge.

This series also include below fixes
- Allow format change for subdevs that don't have crop support.
- Correct V4L2 Pixel format for RGB888_1X24
- Enable VI pixel transform for YUV and RGB formats.

Delta between patch versions:
[v2]:	v1 + additional patch for x8 capture support


Sowjanya Komatineni (10):
  media: tegra-video: Use zero crop settings if subdev has no
    get_selection
  media: tegra-video: Enable VI pixel transform for YUV and RGB formats
  media: tegra-video: Fix V4L2 pixel format for RGB888_1X24
  media: tegra-video: Add support for V4L2_PIX_FMT_NV16
  media: tegra-video: Add DV timing support
  media: tegra-video: Add support for EDID ioctl ops
  media: tegra-video: Add support for VIDIOC_LOG_STATUS ioctl
  media: tegra-video: Add support for V4L2_EVENT_SOURCE_CHANGE
  media: tegra-video: Implement V4L2 device notify callback
  media: tegra-video: Add support for x8 captures with gang ports

 drivers/staging/media/tegra-video/csi.c      |  47 +++-
 drivers/staging/media/tegra-video/csi.h      |  14 +-
 drivers/staging/media/tegra-video/tegra210.c | 312 +++++++++++++++++++--------
 drivers/staging/media/tegra-video/vi.c       | 288 +++++++++++++++++++++----
 drivers/staging/media/tegra-video/vi.h       |  17 +-
 drivers/staging/media/tegra-video/video.c    |  18 ++
 6 files changed, 547 insertions(+), 149 deletions(-)

-- 
2.7.4