From 0639f4264f0b9b40d99e0e5ce40f4eda91bc881d Mon Sep 17 00:00:00 2001
From: Connor McLaughlin <stenzek@gmail.com>
Date: Sun, 29 Dec 2019 15:34:05 +1000
Subject: [PATCH] DMA: Delay GPU transfers by block count

Needs real GPU timings, but fixes NFS5 in the meantime.
---
 src/core/dma.cpp | 9 +++++++++
 src/core/dma.h   | 1 -
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/core/dma.cpp b/src/core/dma.cpp
index c2d038567..16f919d40 100644
--- a/src/core/dma.cpp
+++ b/src/core/dma.cpp
@@ -197,6 +197,15 @@ TickCount DMA::GetTransferDelay(Channel channel) const
     }
     break;
 
+    case Channel::GPU:
+    {
+      if (cs.channel_control.sync_mode == SyncMode::Request)
+        return cs.block_control.request.GetBlockCount();
+      else
+        return 1;
+    }
+    break;
+
     default:
       return 1;
   }
diff --git a/src/core/dma.h b/src/core/dma.h
index dc66b77ca..2781301bf 100644
--- a/src/core/dma.h
+++ b/src/core/dma.h
@@ -54,7 +54,6 @@ public:
 private:
   static constexpr PhysicalMemoryAddress BASE_ADDRESS_MASK = UINT32_C(0x00FFFFFF);
   static constexpr PhysicalMemoryAddress ADDRESS_MASK = UINT32_C(0x001FFFFC);
-  static constexpr u32 TRANSFER_TICKS = 10;
 
   enum class SyncMode : u32
   {