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a7e4886e06With the bridges switching over to drm_bridge_connector, the direct association between a bridge driver and its connector was lost. This is mitigated for atomic bridge drivers by the fact you can access the encoder, and then call drm_atomic_get_old_connector_for_encoder() or drm_atomic_get_new_connector_for_encoder() with drm_atomic_state. This was also made easier by providing drm_atomic_state directly to all atomic hooks bridges can implement. However, bridge drivers don't have a way to access drm_atomic_state outside of the modeset path, like from the hotplug interrupt path or any interrupt handler. Let's introduce a function to retrieve the connector currently assigned to an encoder, without using drm_atomic_state, to make these drivers' life easier. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch> Tested-by: Herve Codina <herve.codina@bootlin.com> Co-developed-by: Simona Vetter <simona.vetter@intel.com> Signed-off-by: Simona Vetter <simona.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250313-bridge-connector-v6-4-511c54a604fb@kernel.org Signed-off-by: Maxime Ripard <mripard@kernel.org> |
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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.