Quoting Kuogee Hsieh (2023-05-10 13:31:05)
Intrenal_hpd is referenced by event thread but set by drm bridge callback
context. Add mutex to protect internal_hpd to avoid conflicts between
threads.
Signed-off-by: Kuogee Hsieh <quic_khsieh@xxxxxxxxxxx>
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This patch looks completely unnecessary. How can dp_bridge_hpd_enable()
be called at the same time that dp_bridge_hpd_disable() is called or
dp_bridge_hpd_notify() is called? Isn't there locking or ordering at a
higher layer?