From 30f96dfe3153444129f18771a48d4b434c92b37c Mon Sep 17 00:00:00 2001
From: Random06457 <28494085+Random06457@users.noreply.github.com>
Date: Thu, 22 Aug 2024 01:37:49 +0900
Subject: [PATCH] video_core: handle PM4 type-2 packets

---
 src/video_core/amdgpu/liverpool.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/video_core/amdgpu/liverpool.cpp b/src/video_core/amdgpu/liverpool.cpp
index 5b3db603..4af4407e 100644
--- a/src/video_core/amdgpu/liverpool.cpp
+++ b/src/video_core/amdgpu/liverpool.cpp
@@ -175,6 +175,11 @@ Liverpool::Task Liverpool::ProcessGraphics(std::span<const u32> dcb, std::span<c
     while (!dcb.empty()) {
         const auto* header = reinterpret_cast<const PM4Header*>(dcb.data());
         const u32 type = header->type;
+        if (type == 2) {
+            // Type 2 are filler packets that don't do anything
+            dcb = dcb.subspan(1);
+            continue;
+        }
         if (type != 3) {
             // No other types of packets were spotted so far
             UNREACHABLE_MSG("Invalid PM4 type {}", type);