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The drm_atomic_get_connector_state() function calls a hand-rolled implementation of the deprecated drm_atomic_get_existing_connector_state() helper to get find if a connector state had already been allocated and was part of the given drm_atomic_state. At the point in time where drm_atomic_get_connector_state() can be called (ie, during atomic_check), the existing state is the new state and drm_atomic_get_existing_connector_state() can thus be replaced by drm_atomic_get_new_connector_state(). Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> Tested-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # on imx8mp Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://lore.kernel.org/r/20250930-drm-no-more-existing-state-v5-1-eeb9e1287907@kernel.org Signed-off-by: Maxime Ripard <mripard@kernel.org>
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.