Quoting Ville Syrjala (2018-06-11 21:02:56) > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > Just like with PIPESTAT, the edge triggered IIR on i965/g4x > also causes problems for hotplug interrupts. To make sure > we don't get the IIR port interrupt bit stuck low with the > ISR bit high we must force an edge in ISR. We do that by > clearing PORT_HOTPLUG_EN temporaryly when we ack > PORT_HOTPLUG_STAT. > > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Having accepted the first, Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> -Chris