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The VOP2 has an interface mux which decides to which encoder(s) a CRTC is routed to. The encoders and CRTCs are connected via of_graphs in the device tree. When given an encoder the VOP2 driver needs to know to which internal register setting this encoder matches. For this the VOP2 binding offers different endpoints, one for each possible encoder. The endpoint ids of these endpoints are used as a key from an encoders device tree description to the internal register setting. This patch adds the key aka endpoint id to struct rockchip_encoder plus a function to read the endpoint id starting from the encoders device node. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Tested-by: Michael Riesch <michael.riesch@wolfvision.net> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220422072841.2206452-4-s.hauer@pengutronix.de |
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| certs | ||
| crypto | ||
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| drivers | ||
| fs | ||
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| init | ||
| ipc | ||
| kernel | ||
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| .clang-format | ||
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| 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 Restructured Text 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.