From fc4bdfd0256a36e09d90f352297991063ce6090b Mon Sep 17 00:00:00 2001
From: refractionpcsx2 <refraction@gmail.com>
Date: Mon, 24 Jun 2024 12:51:36 +0100
Subject: [PATCH] GS: Avoid pointlessly trying to map more pages in memory than
 the GS has

---
 pcsx2/GS/GSLocalMemory.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pcsx2/GS/GSLocalMemory.cpp b/pcsx2/GS/GSLocalMemory.cpp
index 557d894fbc..7191a46727 100644
--- a/pcsx2/GS/GSLocalMemory.cpp
+++ b/pcsx2/GS/GSLocalMemory.cpp
@@ -371,6 +371,13 @@ std::vector<GSVector2i>* GSLocalMemory::GetPage2TileMap(const GIFRegTEX0& TEX0)
 	int tw = std::max<int>(1 << TEX0.TW, bs.x);
 	int th = std::max<int>(1 << TEX0.TH, bs.y);
 
+	// Limit the size to the maximum size of the GS memory, there's no point in mapping more than this.
+	if ((tw * th) > VM_SIZE)
+	{
+		tw = 2048;
+		th = 2048;
+	}
+
 	GSOffset off = GetOffset(TEX0.TBP0, TEX0.TBW, TEX0.PSM);
 	GSOffset::BNHelper bn = off.bnMulti(0, 0);