5 files changed, 24 insertions, 2 deletions

diff --git a/src/core/hle/service/am/am.cpp b/src/core/hle/service/am/am.cpp
index d9f003ed4..07522e730 100644
--- a/src/core/hle/service/am/am.cpp
+++ b/src/core/hle/service/am/am.cpp
@@ -12,6 +12,7 @@
 #include "core/hle/service/apm/apm.h"
 #include "core/hle/service/filesystem/filesystem.h"
 #include "core/hle/service/nvflinger/nvflinger.h"
+#include "core/settings.h"
 
 namespace Service {
 namespace AM {
@@ -241,17 +242,20 @@ void ICommonStateGetter::GetCurrentFocusState(Kernel::HLERequestContext& ctx) {
 }
 
 void ICommonStateGetter::GetOperationMode(Kernel::HLERequestContext& ctx) {
+    const bool is_docked{Settings::values.is_docked};
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
-    rb.Push(static_cast<u8>(OperationMode::Handheld));
+    rb.Push(static_cast<u8>(is_docked ? OperationMode::Docked : OperationMode::Handheld));
 
     LOG_WARNING(Service_AM, "(STUBBED) called");
 }
 
 void ICommonStateGetter::GetPerformanceMode(Kernel::HLERequestContext& ctx) {
+    const bool is_docked{Settings::values.is_docked};
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
-    rb.Push(static_cast<u32>(APM::PerformanceMode::Handheld));
+    rb.Push(static_cast<u32>(is_docked ? APM::PerformanceMode::Docked
+                                       : APM::PerformanceMode::Handheld));
 
     LOG_WARNING(Service_AM, "(STUBBED) called");
 }
diff --git a/src/core/settings.h b/src/core/settings.h
index 6f8cd0f03..002d25dbd 100644
--- a/src/core/settings.h
+++ b/src/core/settings.h
@@ -111,6 +111,9 @@ enum class CpuCore {
 };
 
 struct Values {
+    // System
+    bool is_docked;
+
     // Controls
     std::array<std::string, NativeButton::NumButtons> buttons;
     std::array<std::string, NativeAnalog::NumAnalogs> analogs;
diff --git a/src/yuzu/configuration/config.cpp b/src/yuzu/configuration/config.cpp
index 71dc58e5d..5842bebee 100644
--- a/src/yuzu/configuration/config.cpp
+++ b/src/yuzu/configuration/config.cpp
@@ -94,6 +94,10 @@ void Config::ReadValues() {
     Settings::values.use_virtual_sd = qt_config->value("use_virtual_sd", true).toBool();
     qt_config->endGroup();
 
+    qt_config->beginGroup("System");
+    Settings::values.is_docked = qt_config->value("is_docked", true).toBool();
+    qt_config->endGroup();
+
     qt_config->beginGroup("Miscellaneous");
     Settings::values.log_filter = qt_config->value("log_filter", "*:Info").toString().toStdString();
     qt_config->endGroup();
@@ -188,6 +192,10 @@ void Config::SaveValues() {
     qt_config->setValue("use_virtual_sd", Settings::values.use_virtual_sd);
     qt_config->endGroup();
 
+    qt_config->beginGroup("System");
+    qt_config->setValue("is_docked", Settings::values.is_docked);
+    qt_config->endGroup();
+
     qt_config->beginGroup("Miscellaneous");
     qt_config->setValue("log_filter", QString::fromStdString(Settings::values.log_filter));
     qt_config->endGroup();
diff --git a/src/yuzu_cmd/config.cpp b/src/yuzu_cmd/config.cpp
index 342ad3850..38f76d425 100644
--- a/src/yuzu_cmd/config.cpp
+++ b/src/yuzu_cmd/config.cpp
@@ -107,6 +107,9 @@ void Config::ReadValues() {
     Settings::values.use_virtual_sd =
         sdl2_config->GetBoolean("Data Storage", "use_virtual_sd", true);
 
+    // System
+    Settings::values.is_docked = sdl2_config->GetBoolean("System", "is_docked", true);
+
     // Miscellaneous
     Settings::values.log_filter = sdl2_config->Get("Miscellaneous", "log_filter", "*:Trace");
 
diff --git a/src/yuzu_cmd/default_ini.h b/src/yuzu_cmd/default_ini.h
index fe104fb81..50802104c 100644
--- a/src/yuzu_cmd/default_ini.h
+++ b/src/yuzu_cmd/default_ini.h
@@ -154,6 +154,10 @@ output_device =
 use_virtual_sd =
 
 [System]
+# Whether the system is docked
+# 1 (default): Yes, 0: No
+is_docked =
+
 # The system region that Citra will use during emulation
 # -1: Auto-select (default), 0: Japan, 1: USA, 2: Europe, 3: Australia, 4: China, 5: Korea, 6: Taiwan
 region_value =