disp: msm: sde: flush esd work before disabling the encoder

Flush ESD status work before resetting the encoder state during
virt_disable sequence to avoid stale pointers being used in
the ESD work.

Change-Id: I4bb08a7a7ae33ad6386169667692736e554141c4
Signed-off-by: Kalyan Thota <quic_kalyant@quicinc.com>

msm/sde/sde_connector.c

@@ -2769,7 +2769,7 @@ static void sde_connector_check_status_work(struct work_struct *work)
 	dev = conn->base.dev->dev;
 
 	if (!conn->ops.check_status || dev->power.is_suspended ||
-			(conn->dpms_mode != DRM_MODE_DPMS_ON)) {
+			(conn->lp_mode == SDE_MODE_DPMS_OFF)) {
 		SDE_DEBUG("dpms mode: %d\n", conn->dpms_mode);
 		mutex_unlock(&conn->lock);
 		return;