disp: msm: sde: add vbif axi port halt request support

Add vbif axi port halt request support before
MDSS core GDSC power collapse state. It is needed
for targets without MDSS RSC support.

Change-Id: I1fbf281c4206ecd4ad1c2d1348a95e002740e2f1
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>

msm/sde/sde_kms.c

@@ -2947,6 +2947,8 @@ static void sde_kms_handle_power_event(u32 event_type, void *usr)
 		sde_irq_update(msm_kms, false);
 		sde_kms->first_kickoff = false;
 		_sde_kms_active_override(sde_kms, true);
+		if (!is_sde_rsc_available(SDE_RSC_INDEX))
+			sde_vbif_axi_halt_request(sde_kms);
 	}
 }