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In order to support drm_bridge-based pipeline, the internal HDMI encoders will need to expose the EDID read operation through the drm_bridge API, and thus to expose a drm_bridge instance corresponding to the encoder. The HDMI encoders are however handled as omap_dss_device instances, which conflicts with this requirement. In order to move forward with the drm_bridge transition, add support for creating drm_bridge instances local to DSS outputs. If a local bridge is passed to the omapdss_device_init_output() function, it is used as the first bridge in the chain, and the omap_dss_device.next_bridge field is set to the next bridge for the use of the internal encoders' bridges. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200226112514.12455-27-laurent.pinchart@ideasonboard.com
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.