diff --git a/services/surfaceflinger/tests/Credentials_test.cpp b/services/surfaceflinger/tests/Credentials_test.cpp
index 48b2b80..f021d3d 100644
--- a/services/surfaceflinger/tests/Credentials_test.cpp
+++ b/services/surfaceflinger/tests/Credentials_test.cpp
@@ -207,6 +207,15 @@
     ASSERT_NO_FATAL_FAILURE(checkWithPrivileges<status_t>(condition, NO_ERROR, NO_ERROR));
 }
 
+TEST_F(CredentialsTest, GetDisplayNativePrimariesTest) {
+    sp<IBinder> display(SurfaceComposerClient::getBuiltInDisplay(ISurfaceComposer::eDisplayIdMain));
+    std::function<status_t()> condition = [=]() {
+        ui::DisplayPrimaries primaries;
+        return SurfaceComposerClient::getDisplayNativePrimaries(display, primaries);
+    };
+    ASSERT_NO_FATAL_FAILURE(checkWithPrivileges<status_t>(condition, NO_ERROR, NO_ERROR));
+}
+
 TEST_F(CredentialsTest, SetActiveConfigTest) {
     sp<IBinder> display(SurfaceComposerClient::getBuiltInDisplay(ISurfaceComposer::eDisplayIdMain));
     std::function<status_t()> condition = [=]() {
diff --git a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
index 2c1833b..4cb79ab 100644
--- a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
@@ -1226,6 +1226,116 @@
 }
 
 /* ------------------------------------------------------------------------
+ * SurfaceFlinger::getDisplayNativePrimaries
+ */
+
+class GetDisplayNativePrimaries : public DisplayTransactionTest {
+public:
+    GetDisplayNativePrimaries();
+    void populateDummyDisplayNativePrimaries(ui::DisplayPrimaries& primaries);
+    void checkDummyDisplayNativePrimaries(const ui::DisplayPrimaries& primaries);
+
+private:
+    static constexpr float mStartingTestValue = 1.0f;
+};
+
+GetDisplayNativePrimaries::GetDisplayNativePrimaries() {
+    SimplePrimaryDisplayCase::Display::injectHwcDisplay(this);
+    injectFakeNativeWindowSurfaceFactory();
+}
+
+void GetDisplayNativePrimaries::populateDummyDisplayNativePrimaries(
+        ui::DisplayPrimaries& primaries) {
+    float startingVal = mStartingTestValue;
+    primaries.red.X = startingVal++;
+    primaries.red.Y = startingVal++;
+    primaries.red.Z = startingVal++;
+    primaries.green.X = startingVal++;
+    primaries.green.Y = startingVal++;
+    primaries.green.Z = startingVal++;
+    primaries.blue.X = startingVal++;
+    primaries.blue.Y = startingVal++;
+    primaries.blue.Z = startingVal++;
+    primaries.white.X = startingVal++;
+    primaries.white.Y = startingVal++;
+    primaries.white.Z = startingVal++;
+}
+
+void GetDisplayNativePrimaries::checkDummyDisplayNativePrimaries(
+        const ui::DisplayPrimaries& primaries) {
+    float startingVal = mStartingTestValue;
+    EXPECT_EQ(primaries.red.X, startingVal++);
+    EXPECT_EQ(primaries.red.Y, startingVal++);
+    EXPECT_EQ(primaries.red.Z, startingVal++);
+    EXPECT_EQ(primaries.green.X, startingVal++);
+    EXPECT_EQ(primaries.green.Y, startingVal++);
+    EXPECT_EQ(primaries.green.Z, startingVal++);
+    EXPECT_EQ(primaries.blue.X, startingVal++);
+    EXPECT_EQ(primaries.blue.Y, startingVal++);
+    EXPECT_EQ(primaries.blue.Z, startingVal++);
+    EXPECT_EQ(primaries.white.X, startingVal++);
+    EXPECT_EQ(primaries.white.Y, startingVal++);
+    EXPECT_EQ(primaries.white.Z, startingVal++);
+}
+
+TEST_F(GetDisplayNativePrimaries, nullDisplayToken) {
+    ui::DisplayPrimaries primaries;
+    EXPECT_EQ(BAD_VALUE, mFlinger.getDisplayNativePrimaries(nullptr, primaries));
+}
+
+TEST_F(GetDisplayNativePrimaries, internalDisplayWithDefaultPrimariesData) {
+    auto injector = SimplePrimaryDisplayCase::Display::makeFakeExistingDisplayInjector(this);
+    injector.inject();
+    auto internalDisplayToken = injector.token();
+    // A nullptr would trigger a different execution path than what's being tested here
+    EXPECT_NE(nullptr, internalDisplayToken.get());
+
+    mFlinger.initDefaultDisplayNativePrimaries();
+
+    ui::DisplayPrimaries primaries;
+    // Expecting sRGB primaries
+    EXPECT_EQ(NO_ERROR, mFlinger.getDisplayNativePrimaries(internalDisplayToken, primaries));
+    EXPECT_EQ(primaries.red.X, 0.4123f);
+    EXPECT_EQ(primaries.red.Y, 0.2126f);
+    EXPECT_EQ(primaries.red.Z, 0.0193f);
+    EXPECT_EQ(primaries.green.X, 0.3576f);
+    EXPECT_EQ(primaries.green.Y, 0.7152f);
+    EXPECT_EQ(primaries.green.Z, 0.1192f);
+    EXPECT_EQ(primaries.blue.X, 0.1805f);
+    EXPECT_EQ(primaries.blue.Y, 0.0722f);
+    EXPECT_EQ(primaries.blue.Z, 0.9506f);
+    EXPECT_EQ(primaries.white.X, 0.9505f);
+    EXPECT_EQ(primaries.white.Y, 1.0000f);
+    EXPECT_EQ(primaries.white.Z, 1.0891f);
+}
+
+TEST_F(GetDisplayNativePrimaries, internalDisplayWithPrimariesData) {
+    auto injector = SimplePrimaryDisplayCase::Display::makeFakeExistingDisplayInjector(this);
+    injector.inject();
+    auto internalDisplayToken = injector.token();
+
+    ui::DisplayPrimaries expectedPrimaries;
+    populateDummyDisplayNativePrimaries(expectedPrimaries);
+    mFlinger.setInternalDisplayPrimaries(expectedPrimaries);
+
+    ui::DisplayPrimaries primaries;
+    EXPECT_EQ(NO_ERROR, mFlinger.getDisplayNativePrimaries(internalDisplayToken, primaries));
+
+    checkDummyDisplayNativePrimaries(primaries);
+}
+
+TEST_F(GetDisplayNativePrimaries, notInternalDisplayToken) {
+    sp<BBinder> notInternalDisplayToken = new BBinder();
+
+    ui::DisplayPrimaries primaries;
+    populateDummyDisplayNativePrimaries(primaries);
+    EXPECT_EQ(BAD_VALUE, mFlinger.getDisplayNativePrimaries(notInternalDisplayToken, primaries));
+
+    // Check primaries argument wasn't modified in case of failure
+    checkDummyDisplayNativePrimaries(primaries);
+}
+
+/* ------------------------------------------------------------------------
  * SurfaceFlinger::setupNewDisplayDeviceInternal
  */
 
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 9c5c967..b9b0cf8 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -187,6 +187,10 @@
         mFactory.mCreateNativeWindowSurface = f;
     }
 
+    void setInternalDisplayPrimaries(const ui::DisplayPrimaries& primaries) {
+        memcpy(&mFlinger->mInternalDisplayPrimaries, &primaries, sizeof(ui::DisplayPrimaries));
+    }
+
     using HotplugEvent = SurfaceFlinger::HotplugEvent;
 
     auto& mutableLayerCurrentState(sp<Layer> layer) { return layer->mCurrentState; }
@@ -260,6 +264,15 @@
         return mFlinger->SurfaceFlinger::traverseLayersInDisplay(display, visitor);
     }
 
+    auto getDisplayNativePrimaries(const sp<IBinder>& displayToken,
+                                   ui::DisplayPrimaries &primaries) {
+        return mFlinger->SurfaceFlinger::getDisplayNativePrimaries(displayToken, primaries);
+    }
+
+    void initDefaultDisplayNativePrimaries() {
+        mFlinger->SurfaceFlinger::initDefaultDisplayNativePrimaries();
+    }
+
     /* ------------------------------------------------------------------------
      * Read-only access to private data to assert post-conditions.
      */