drm/connector: hdmi: Create an HDMI sub-state

The next features we will need to share across drivers will need to
store some parameters for drivers to use, such as the selected output
format.

Let's create a new connector sub-state dedicated to HDMI controllers,
that will eventually store everything we need.

Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Sui Jingfeng <sui.jingfeng@linux.dev>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240527-kms-hdmi-connector-state-v15-3-c5af16c3aae2@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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Maxime Ripard 2024-05-27 15:57:52 +02:00
commit 54cb39e229
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