From 3545c8f1b17fe162ddfb2b703e69c7309e222519 Mon Sep 17 00:00:00 2001
From: Dmugetsu <diegoavilafacebook75@gmail.com>
Date: Sat, 3 May 2025 10:07:41 -0600
Subject: [PATCH] Pm4 type 3 Event Write Impl

---
 src/video_core/amdgpu/liverpool.cpp |  6 +++---
 src/video_core/amdgpu/pm4_cmds.h    | 15 +++++++++++++--
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/src/video_core/amdgpu/liverpool.cpp b/src/video_core/amdgpu/liverpool.cpp
index 967b952c6..64f770f53 100644
--- a/src/video_core/amdgpu/liverpool.cpp
+++ b/src/video_core/amdgpu/liverpool.cpp
@@ -563,7 +563,7 @@ Liverpool::Task Liverpool::ProcessGraphics(std::span<const u32> dcb, std::span<c
                 break;
             }
             case PM4ItOpcode::EventWrite: {
-                // const auto* event = reinterpret_cast<const PM4CmdEventWrite*>(header);
+                const auto* event = reinterpret_cast<const PM4CmdEventWrite*>(header);
                 break;
             }
             case PM4ItOpcode::EventWriteEos: {
@@ -655,7 +655,7 @@ Liverpool::Task Liverpool::ProcessGraphics(std::span<const u32> dcb, std::span<c
                 break;
             }
             case PM4ItOpcode::AcquireMem: {
-                // const auto* acquire_mem = reinterpret_cast<PM4CmdAcquireMem*>(header);
+                const auto* acquire_mem = reinterpret_cast<const PM4CmdAcquireMem*>(header);
                 break;
             }
             case PM4ItOpcode::Rewind: {
@@ -919,7 +919,7 @@ Liverpool::Task Liverpool::ProcessCompute(const u32* acb, u32 acb_dwords, u32 vq
             break;
         }
         case PM4ItOpcode::EventWrite: {
-            // const auto* event = reinterpret_cast<const PM4CmdEventWrite*>(header);
+            const auto* event = reinterpret_cast<const PM4CmdEventWrite*>(header);
             break;
         }
         default:
diff --git a/src/video_core/amdgpu/pm4_cmds.h b/src/video_core/amdgpu/pm4_cmds.h
index ae1d32e00..0d5179f3f 100644
--- a/src/video_core/amdgpu/pm4_cmds.h
+++ b/src/video_core/amdgpu/pm4_cmds.h
@@ -282,12 +282,23 @@ enum class InterruptSelect : u32 {
 };
 
 static u64 GetGpuClock64() {
-    auto now = std::chrono::high_resolution_clock::now();
+    auto now = std::chrono::steady_clock::now();
     auto duration = now.time_since_epoch();
     auto ticks = std::chrono::duration_cast<std::chrono::nanoseconds>(duration).count();
     return static_cast<u64>(ticks);
 }
 
+struct PM4CmdEventWrite {
+    PM4Type3Header header;
+    u32 event_type;
+    u32 event_index;
+    u32 address_lo;
+    u32 address_hi;
+    u32 data_sel;
+    u32 int_sel;
+    u32 value;
+};
+
 struct PM4CmdEventWriteEop {
     PM4Type3Header header;
     union {
@@ -307,7 +318,7 @@ struct PM4CmdEventWriteEop {
 
     template <typename T>
     T* Address() const {
-        return reinterpret_cast<T*>(address_lo | u64(address_hi) << 32);
+        return reinterpret_cast<T*>((u64(address_hi) << 32) | address_lo);
     }
 
     u32 DataDWord() const {