disp: msm: sde: relax the EPT + modeswitch validation check

Remove the validation check that rejects the concurrency of
Expected Present Time update during modeswitch, as it is
expected to get an updated EPT value during the switch.

Change-Id: Ia94aedc4ea39b9c72fb0db17e91a09a77086563b
Signed-off-by: Veera Sundaram Sankaran <[email protected]>

msm/sde/sde_encoder.c

@@ -1261,7 +1261,7 @@ static int _sde_encoder_atomic_check_qsync(struct sde_connector *sde_conn,
 	ept = msm_property_is_dirty(&sde_conn->property_info,
 				&sde_conn_state->property_state, CONNECTOR_PROP_EPT);
 
-	if (has_modeset && (qsync_dirty || ept) &&
+	if (has_modeset && qsync_dirty &&
 		(msm_is_mode_seamless_poms(&sde_conn_state->msm_mode) ||
 			msm_is_mode_seamless_dyn_clk(&sde_conn_state->msm_mode))) {
 		SDE_ERROR("invalid qsync update during modeset priv flag:%x\n",