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> > --- 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?