From 5ccc2af5ed713f1ef2739bcdb33a04da154de809 Mon Sep 17 00:00:00 2001
From: Edgar Flores <quic_edgarf@quicinc.com>
Date: Tue, 28 May 2024 15:00:48 -0700
Subject: [PATCH] arm64: dts: msm: Add iova alignment flags for trusted dtsi

Add iova-max-align-shift and iova-best-fit flags to maximize
smmu allocation and minimize smmu fragmentation.

Change-Id: Iaaab351ca5498a26243ecccd8392ec0bd1c9572c
---
 sun/sun-dsp-trustedvm.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sun/sun-dsp-trustedvm.dtsi b/sun/sun-dsp-trustedvm.dtsi
index e1c5db54..381f88c7 100644
--- a/sun/sun-dsp-trustedvm.dtsi
+++ b/sun/sun-dsp-trustedvm.dtsi
@@ -13,6 +13,8 @@
 		memory-region = <&fastrpc_gen_pool_region>;
 		qcom,iommu-faults = "stall-disable", "HUPCF";
 		dma-coherent;
+		qcom,iova-best-fit;
+		qcom,iova-max-align-shift = <9>; /* Set MAX alignment to 2 MB*/
 		qrtr-gen-pool = <&fastrpc_compute_cb1>;
 		frpc-gen-addr-pool = <0x8000 0x9000>;
 		pd-type = <4>;	/* SECURE_STATICPD */