media: cec: core: add note about *_from_edid() function usage in drm
Jani Nikula authored

In the drm subsystem, the source physical address is, in most cases,
available without having to parse the EDID again. Add notes about
preferring to use the pre-parsed address instead.

Cc: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: linux-media@vger.kernel.org
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Reviewed-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Link: https://patchwork.freedesktop.org/patch/msgid/20230831105144.25923-1-jani.nikula@intel.com
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