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The output pixel interface is a parallel bus (32 bits), which supports sending multiple pixels (1, 2 or 4) per clock cycle for smaller pixel widths like RAW8-RAW16. Dual-pixel and Quad-pixel modes can be a requirement if the export rate of the Cadence IP in Single-pixel mode maxes out before the maximum supported DPHY-RX frequency, which is the case with TI's integration of this IP [1]. So, we export a function that lets the downstream hardware block request a higher pixel-per-clock on a particular output pad. We check if we can support the requested pixels per clock given the known maximum for the currently configured format. If not, we set it to the highest feasible value and return this value to the caller. [1] Section 12.6.1.4.8.14 CSI_RX_IF Programming Restrictions of AM62 TRM Link: https://www.ti.com/lit/pdf/spruj16 Tested-by: Yemike Abhilash Chandra <y-abhilashchandra@ti.com> (on SK-AM68) Signed-off-by: Jai Luthra <jai.luthra@ideasonboard.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .pylintrc | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.