From 2ed2c8b2f71b4b7c26aa73abce0f3318c971a778 Mon Sep 17 00:00:00 2001
From: CamilleLaVey <camillelavey99@gmail.com>
Date: Fri, 16 Jan 2026 13:56:53 -0400
Subject: [PATCH] Revert "[video_core, dma] Recalculating engine entries to dma
 based on previous initialization method"

---
 src/video_core/dma_pusher.cpp            | 27 ++++++++++++------------
 src/video_core/engines/engine_upload.cpp |  9 --------
 2 files changed, 13 insertions(+), 23 deletions(-)

diff --git a/src/video_core/dma_pusher.cpp b/src/video_core/dma_pusher.cpp
index 286663f3aa..9a4db1b4ab 100644
--- a/src/video_core/dma_pusher.cpp
+++ b/src/video_core/dma_pusher.cpp
@@ -27,20 +27,19 @@ constexpr bool IsMethodExecutable(u32 method, Tegra::Engines::EngineTypes engine
     switch (engine_type) {
     case EngineTypes::Maxwell3D:
         switch (method) {
-        case 0x0110: case 0x0114: case 0x0115: case 0x0117: case 0x0124:
-        case 0x01B0: case 0x01B4: case 0x02C8:
-        case 0x0D74: case 0x0D75: case 0x0DE0: case 0x0F74: case 0x0F7C:
-        case 0x108B: case 0x1214: case 0x1218: case 0x1301:
-        case 0x1530: case 0x1552: case 0x15E8: case 0x15ED:
-        case 0x1614: case 0x1615: case 0x1970: case 0x19D0: case 0x1B03:
-        case 0x17CD: case 0x17CE: case 0x17E4: case 0x17E8: case 0x17EC:
-        case 0x17F0: case 0x17F4: case 0x17F8:
-        case 0x2304:
-        case 0x2384: case 0x2385: case 0x2386: case 0x2387:
-        case 0x2388: case 0x2389: case 0x238A: case 0x238B:
-        case 0x238C: case 0x238D: case 0x238E: case 0x238F:
-        case 0x2390: case 0x2391: case 0x2392: case 0x2393:
-        case 0x2404: case 0x240C: case 0x2414: case 0x241C: case 0x2424:
+        case 0x0044: case 0x0045: case 0x0046: case 0x0047: case 0x0049:
+        case 0x006C: case 0x006D: case 0x00B2:
+        case 0x035D: case 0x035E: case 0x0378: case 0x03DD: case 0x03DF:
+        case 0x0485: case 0x0486: case 0x04C0: case 0x054C: case 0x0556:
+        case 0x0585: case 0x0586: case 0x057A: case 0x057B:
+        case 0x05F7: case 0x05F8: case 0x05F9: case 0x05FA: case 0x05FB:
+        case 0x05FC: case 0x05FD: case 0x05FE:
+        case 0x065C: case 0x0674: case 0x06C0: case 0x08C4:
+        case 0x08E0: case 0x08E1: case 0x08E2: case 0x08E3: case 0x08E4:
+        case 0x08E5: case 0x08E6: case 0x08E7: case 0x08E8: case 0x08E9:
+        case 0x08EA: case 0x08EB: case 0x08EC: case 0x08ED: case 0x08EE: case 0x08EF:
+        case 0x0900: case 0x0908: case 0x0910: case 0x0918: case 0x0920:
+        case 0x042B:
             return true;
         default:
             return false;
diff --git a/src/video_core/engines/engine_upload.cpp b/src/video_core/engines/engine_upload.cpp
index ea6ce61090..ba21eec4c4 100644
--- a/src/video_core/engines/engine_upload.cpp
+++ b/src/video_core/engines/engine_upload.cpp
@@ -33,12 +33,6 @@ void State::ProcessExec(const bool is_linear_) {
 }
 
 void State::ProcessData(const u32 data, const bool is_last_call) {
-    if (copy_size == 0) [[unlikely]] {
-        return;
-    }
-    if (write_offset >= copy_size) [[unlikely]] {
-        return;
-    }
     const u32 sub_copy_size = (std::min)(4U, copy_size - write_offset);
     std::memcpy(&inner_buffer[write_offset], &data, sub_copy_size);
     write_offset += sub_copy_size;
@@ -55,9 +49,6 @@ void State::ProcessData(const u32* data, size_t num_data) {
 
 void State::ProcessData(std::span<const u8> read_buffer) {
     const GPUVAddr address{regs.dest.Address()};
-    if (address == 0 || regs.line_count == 0 || regs.line_length_in == 0) [[unlikely]] {
-        return;
-    }
     if (is_linear) {
         for (size_t line = 0; line < regs.line_count; ++line) {
             const GPUVAddr dest_line = address + line * regs.dest.pitch;