From 94293ebcc06d8b5ee4627fcbcf2ed64a353966c7 Mon Sep 17 00:00:00 2001
From: Balaji Gontumukkala <balaji.gontumukkala@arm.com>
Date: Wed, 19 Aug 2026 13:57:36 +0530
Subject: [PATCH] fix(uefi_dt): Initialize PMU GSIV values

* Initialize PMU GSIV entries to zero before parsing PMU DT nodes.
* Prevent stale PE table data from being reported as interrupt IDs.

Signed-off-by: Balaji Gontumukkala <balaji.gontumukkala@arm.com>
Change-Id: I981cad98df7248edb5ecf103018dade57ee13a77
---
 pal/uefi_dt/src/pal_pe.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pal/uefi_dt/src/pal_pe.c b/pal/uefi_dt/src/pal_pe.c
index 89dd7a1a..a4951c54 100644
--- a/pal/uefi_dt/src/pal_pe.c
+++ b/pal/uefi_dt/src/pal_pe.c
@@ -612,6 +612,12 @@ pal_pe_info_table_pmu_gsiv_dt(PE_INFO_TABLE *PeTable)
       return;
   }
 
+  Ptr = PeTable->pe_info;
+  for (i = 0; i < PeTable->header.num_of_pe; i++) {
+    Ptr->pmu_gsiv = 0;
+    Ptr++;
+  }
+
   Ptr = PeTable->pe_info;
 
   for (arr_idx = 0; arr_idx < (sizeof(pmu_dt_arr)/PMU_COMPATIBLE_STR_LEN); arr_idx++) {