diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index 46b857b..96ae77f 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -452,7 +452,8 @@
     }
 }
 
-auto DisplayDevice::setDesiredActiveMode(const ActiveModeInfo& info) -> DesiredActiveModeAction {
+auto DisplayDevice::setDesiredActiveMode(const ActiveModeInfo& info, bool force)
+        -> DesiredActiveModeAction {
     ATRACE_CALL();
 
     LOG_ALWAYS_FATAL_IF(!info.modeOpt, "desired mode not provided");
@@ -473,7 +474,7 @@
     const auto& desiredMode = *info.modeOpt->modePtr;
 
     // Check if we are already at the desired mode
-    if (refreshRateSelector().getActiveMode().modePtr->getId() == desiredMode.getId()) {
+    if (!force && refreshRateSelector().getActiveMode().modePtr->getId() == desiredMode.getId()) {
         if (refreshRateSelector().getActiveMode() == info.modeOpt) {
             return DesiredActiveModeAction::None;
         }
diff --git a/services/surfaceflinger/DisplayDevice.h b/services/surfaceflinger/DisplayDevice.h
index 8f9b2a1..d757673 100644
--- a/services/surfaceflinger/DisplayDevice.h
+++ b/services/surfaceflinger/DisplayDevice.h
@@ -210,7 +210,8 @@
         InitiateDisplayModeSwitch,
         InitiateRenderRateSwitch
     };
-    DesiredActiveModeAction setDesiredActiveMode(const ActiveModeInfo&) EXCLUDES(mActiveModeLock);
+    DesiredActiveModeAction setDesiredActiveMode(const ActiveModeInfo&, bool force = false)
+            EXCLUDES(mActiveModeLock);
     std::optional<ActiveModeInfo> getDesiredActiveMode() const EXCLUDES(mActiveModeLock);
     void clearDesiredActiveModeState() EXCLUDES(mActiveModeLock);
     ActiveModeInfo getUpcomingActiveMode() const REQUIRES(kMainThreadContext) {
diff --git a/services/surfaceflinger/Scheduler/Scheduler.cpp b/services/surfaceflinger/Scheduler/Scheduler.cpp
index 34f8df2..856fda0 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.cpp
+++ b/services/surfaceflinger/Scheduler/Scheduler.cpp
@@ -815,18 +815,18 @@
             .powerOnImminent = powerOnImminent};
 }
 
-ftl::Optional<FrameRateMode> Scheduler::getPreferredDisplayMode() {
+FrameRateMode Scheduler::getPreferredDisplayMode() {
     std::lock_guard<std::mutex> lock(mPolicyLock);
-    // Make sure the stored mode is up to date.
-    if (mPolicy.modeOpt) {
-        const auto ranking =
-                leaderSelectorPtr()
-                        ->getRankedFrameRates(mPolicy.contentRequirements, makeGlobalSignals())
-                        .ranking;
+    const auto frameRateMode =
+            leaderSelectorPtr()
+                    ->getRankedFrameRates(mPolicy.contentRequirements, makeGlobalSignals())
+                    .ranking.front()
+                    .frameRateMode;
 
-        mPolicy.modeOpt = ranking.front().frameRateMode;
-    }
-    return mPolicy.modeOpt;
+    // Make sure the stored mode is up to date.
+    mPolicy.modeOpt = frameRateMode;
+
+    return frameRateMode;
 }
 
 void Scheduler::onNewVsyncPeriodChangeTimeline(const hal::VsyncPeriodChangeTimeline& timeline) {
diff --git a/services/surfaceflinger/Scheduler/Scheduler.h b/services/surfaceflinger/Scheduler/Scheduler.h
index cf2ffb8..f189426 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.h
+++ b/services/surfaceflinger/Scheduler/Scheduler.h
@@ -209,8 +209,8 @@
     void dump(ConnectionHandle, std::string&) const;
     void dumpVsync(std::string&) const;
 
-    // Get the appropriate refresh for current conditions.
-    ftl::Optional<FrameRateMode> getPreferredDisplayMode();
+    // Returns the preferred refresh rate and frame rate for the leader display.
+    FrameRateMode getPreferredDisplayMode();
 
     // Notifies the scheduler about a refresh rate timeline change.
     void onNewVsyncPeriodChangeTimeline(const hal::VsyncPeriodChangeTimeline& timeline);
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index cdd6044..9f4178e 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1141,7 +1141,7 @@
     return NO_ERROR;
 }
 
-void SurfaceFlinger::setDesiredActiveMode(display::DisplayModeRequest&& request) {
+void SurfaceFlinger::setDesiredActiveMode(display::DisplayModeRequest&& request, bool force) {
     ATRACE_CALL();
 
     auto display = getDisplayDeviceLocked(request.mode.modePtr->getPhysicalDisplayId());
@@ -1153,7 +1153,8 @@
     const auto mode = request.mode;
     const bool emitEvent = request.emitEvent;
 
-    switch (display->setDesiredActiveMode(DisplayDevice::ActiveModeInfo(std::move(request)))) {
+    switch (display->setDesiredActiveMode(DisplayDevice::ActiveModeInfo(std::move(request)),
+                                          force)) {
         case DisplayDevice::DesiredActiveModeAction::InitiateDisplayModeSwitch:
             scheduleComposite(FrameHint::kNone);
 
@@ -3467,10 +3468,21 @@
 
     for (auto& request : modeRequests) {
         const auto& modePtr = request.mode.modePtr;
-        const auto display = getDisplayDeviceLocked(modePtr->getPhysicalDisplayId());
+
+        const auto displayId = modePtr->getPhysicalDisplayId();
+        const auto display = getDisplayDeviceLocked(displayId);
 
         if (!display) continue;
 
+        const bool isInternalDisplay = mPhysicalDisplays.get(displayId)
+                                               .transform(&PhysicalDisplay::isInternal)
+                                               .value_or(false);
+
+        if (isInternalDisplay && displayId != mActiveDisplayId) {
+            ALOGV("%s(%s): Inactive display", __func__, to_string(displayId).c_str());
+            continue;
+        }
+
         if (display->refreshRateSelector().isModeAllowed(request.mode)) {
             setDesiredActiveMode(std::move(request));
         } else {
@@ -6730,7 +6742,7 @@
 ftl::Optional<scheduler::FrameRateMode> SurfaceFlinger::getPreferredDisplayMode(
         PhysicalDisplayId displayId, DisplayModeId defaultModeId) const {
     if (const auto schedulerMode = mScheduler->getPreferredDisplayMode();
-        schedulerMode && schedulerMode->modePtr->getPhysicalDisplayId() == displayId) {
+        schedulerMode.modePtr->getPhysicalDisplayId() == displayId) {
         return schedulerMode;
     }
 
@@ -6765,12 +6777,24 @@
         case SetPolicyResult::Unchanged:
             return NO_ERROR;
         case SetPolicyResult::Changed:
-            return applyRefreshRateSelectorPolicy(displayId, selector);
+            break;
     }
+
+    const bool isInternalDisplay = mPhysicalDisplays.get(displayId)
+                                           .transform(&PhysicalDisplay::isInternal)
+                                           .value_or(false);
+
+    if (isInternalDisplay && displayId != mActiveDisplayId) {
+        // The policy will be be applied when the display becomes active.
+        ALOGV("%s(%s): Inactive display", __func__, to_string(displayId).c_str());
+        return NO_ERROR;
+    }
+
+    return applyRefreshRateSelectorPolicy(displayId, selector);
 }
 
 status_t SurfaceFlinger::applyRefreshRateSelectorPolicy(
-        PhysicalDisplayId displayId, const scheduler::RefreshRateSelector& selector) {
+        PhysicalDisplayId displayId, const scheduler::RefreshRateSelector& selector, bool force) {
     const scheduler::RefreshRateSelector::Policy currentPolicy = selector.getCurrentPolicy();
     ALOGV("Setting desired display mode specs: %s", currentPolicy.toString().c_str());
 
@@ -6800,7 +6824,7 @@
         return INVALID_OPERATION;
     }
 
-    setDesiredActiveMode({std::move(preferredMode), .emitEvent = true});
+    setDesiredActiveMode({std::move(preferredMode), .emitEvent = true}, force);
     return NO_ERROR;
 }
 
@@ -7104,7 +7128,8 @@
     // case, its preferred mode has not been propagated to HWC (via setDesiredActiveMode). In either
     // case, the Scheduler's cachedModeChangedParams must be initialized to the newly active mode,
     // and the kernel idle timer of the newly active display must be toggled.
-    applyRefreshRateSelectorPolicy(mActiveDisplayId, activeDisplay->refreshRateSelector());
+    constexpr bool kForce = true;
+    applyRefreshRateSelectorPolicy(mActiveDisplayId, activeDisplay->refreshRateSelector(), kForce);
 }
 
 status_t SurfaceFlinger::addWindowInfosListener(
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index c957b67..5f35c44 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -649,7 +649,8 @@
     // Show render rate with refresh rate overlay
     bool mRefreshRateOverlayRenderRate = false;
 
-    void setDesiredActiveMode(display::DisplayModeRequest&&) REQUIRES(mStateLock);
+    void setDesiredActiveMode(display::DisplayModeRequest&&, bool force = false)
+            REQUIRES(mStateLock);
 
     status_t setActiveModeFromBackdoor(const sp<display::DisplayToken>&, DisplayModeId);
     // Sets the active mode and a new refresh rate in SF.
@@ -678,7 +679,8 @@
 
     // TODO(b/241285191): Look up RefreshRateSelector on Scheduler to remove redundant parameter.
     status_t applyRefreshRateSelectorPolicy(PhysicalDisplayId,
-                                            const scheduler::RefreshRateSelector&)
+                                            const scheduler::RefreshRateSelector&,
+                                            bool force = false)
             REQUIRES(mStateLock, kMainThreadContext);
 
     void commitTransactions() EXCLUDES(mStateLock) REQUIRES(kMainThreadContext);
@@ -1187,7 +1189,9 @@
     display::PhysicalDisplays mPhysicalDisplays GUARDED_BY(mStateLock);
 
     // The inner or outer display for foldables, assuming they have mutually exclusive power states.
-    PhysicalDisplayId mActiveDisplayId GUARDED_BY(mStateLock);
+    // Atomic because writes from onActiveDisplayChangedLocked are not always under mStateLock, but
+    // reads from ISchedulerCallback::requestDisplayModes may happen concurrently.
+    std::atomic<PhysicalDisplayId> mActiveDisplayId GUARDED_BY(mStateLock);
 
     struct {
         DisplayIdGenerator<GpuVirtualDisplayId> gpu;
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp
index 074bf8c..ad3bd35 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-#include "mock/MockDisplayModeSpecs.h"
-#include "mock/MockEventThread.h"
 #undef LOG_TAG
 #define LOG_TAG "LibSurfaceFlingerUnittests"
 
 #include "DisplayTransactionTestHelpers.h"
+#include "mock/DisplayHardware/MockDisplayMode.h"
+#include "mock/MockDisplayModeSpecs.h"
 
 #include <ftl/fake_guard.h>
 #include <scheduler/Fps.h>
@@ -42,8 +42,7 @@
         PrimaryDisplayVariant::setupNativeWindowSurfaceCreationCallExpectations(this);
         PrimaryDisplayVariant::setupHwcGetActiveConfigCallExpectations(this);
 
-        DisplayModes modes = makeModes(kMode60, kMode90, kMode120, kMode90_4K);
-        auto selectorPtr = std::make_shared<scheduler::RefreshRateSelector>(modes, kModeId60);
+        auto selectorPtr = std::make_shared<scheduler::RefreshRateSelector>(kModes, kModeId60);
 
         setupScheduler(selectorPtr);
 
@@ -51,7 +50,7 @@
         mFlinger.configureAndCommit();
 
         mDisplay = PrimaryDisplayVariant::makeFakeExistingDisplayInjector(this)
-                           .setDisplayModes(std::move(modes), kModeId60, std::move(selectorPtr))
+                           .setDisplayModes(kModes, kModeId60, std::move(selectorPtr))
                            .inject();
 
         // isVsyncPeriodSwitchSupported should return true, otherwise the SF's HWC proxy
@@ -78,6 +77,8 @@
     static constexpr ui::Size kResolution4K{3840, 2160};
     static inline const DisplayModePtr kMode90_4K =
             createDisplayMode(kModeId90_4K, 90_Hz, 3, kResolution4K);
+
+    static inline const DisplayModes kModes = makeModes(kMode60, kMode90, kMode120, kMode90_4K);
 };
 
 void DisplayModeSwitchingTest::setupScheduler(
@@ -283,5 +284,114 @@
     ASSERT_EQ(mDisplay->getActiveMode().modePtr->getId(), kModeId90_4K);
 }
 
+TEST_F(DisplayModeSwitchingTest, multiDisplay) {
+    ftl::FakeGuard guard(kMainThreadContext);
+
+    constexpr HWDisplayId kInnerDisplayHwcId = PrimaryDisplayVariant::HWC_DISPLAY_ID;
+    constexpr HWDisplayId kOuterDisplayHwcId = kInnerDisplayHwcId + 1;
+
+    constexpr PhysicalDisplayId kOuterDisplayId = PhysicalDisplayId::fromPort(254u);
+
+    constexpr bool kIsPrimary = false;
+    TestableSurfaceFlinger::FakeHwcDisplayInjector(kOuterDisplayId, hal::DisplayType::PHYSICAL,
+                                                   kIsPrimary)
+            .setHwcDisplayId(kOuterDisplayHwcId)
+            .inject(&mFlinger, mComposer);
+
+    const auto outerDisplay = mFakeDisplayInjector.injectInternalDisplay(
+            [&](FakeDisplayDeviceInjector& injector) {
+                injector.setDisplayModes(mock::cloneForDisplay(kOuterDisplayId, kModes),
+                                         kModeId120);
+            },
+            {.displayId = kOuterDisplayId,
+             .hwcDisplayId = kOuterDisplayHwcId,
+             .isPrimary = kIsPrimary});
+
+    const auto& innerDisplay = mDisplay;
+
+    EXPECT_FALSE(innerDisplay->getDesiredActiveMode());
+    EXPECT_FALSE(outerDisplay->getDesiredActiveMode());
+
+    EXPECT_EQ(innerDisplay->getActiveMode().modePtr->getId(), kModeId60);
+    EXPECT_EQ(outerDisplay->getActiveMode().modePtr->getId(), kModeId120);
+
+    mFlinger.onActiveDisplayChanged(innerDisplay);
+
+    EXPECT_EQ(NO_ERROR,
+              mFlinger.setDesiredDisplayModeSpecs(innerDisplay->getDisplayToken().promote(),
+                                                  mock::createDisplayModeSpecs(kModeId90.value(),
+                                                                               false, 0.f, 120.f)));
+
+    EXPECT_EQ(NO_ERROR,
+              mFlinger.setDesiredDisplayModeSpecs(outerDisplay->getDisplayToken().promote(),
+                                                  mock::createDisplayModeSpecs(kModeId60.value(),
+                                                                               false, 0.f, 120.f)));
+
+    // Transition on the inner display.
+    ASSERT_TRUE(innerDisplay->getDesiredActiveMode());
+    EXPECT_EQ(innerDisplay->getDesiredActiveMode()->modeOpt->modePtr->getId(), kModeId90);
+
+    // No transition on the outer display.
+    EXPECT_FALSE(outerDisplay->getDesiredActiveMode());
+
+    const VsyncPeriodChangeTimeline timeline{.refreshRequired = true};
+    EXPECT_CALL(*mComposer,
+                setActiveConfigWithConstraints(kInnerDisplayHwcId,
+                                               hal::HWConfigId(kModeId90.value()), _, _))
+            .WillOnce(DoAll(SetArgPointee<3>(timeline), Return(Error::NONE)));
+
+    mFlinger.commit();
+
+    // Transition on the inner display.
+    ASSERT_TRUE(innerDisplay->getDesiredActiveMode());
+    EXPECT_EQ(innerDisplay->getDesiredActiveMode()->modeOpt->modePtr->getId(), kModeId90);
+
+    // No transition on the outer display.
+    EXPECT_FALSE(outerDisplay->getDesiredActiveMode());
+
+    mFlinger.commit();
+
+    // Transition on the inner display.
+    EXPECT_FALSE(innerDisplay->getDesiredActiveMode());
+    EXPECT_EQ(innerDisplay->getActiveMode().modePtr->getId(), kModeId90);
+
+    // No transition on the outer display.
+    EXPECT_FALSE(outerDisplay->getDesiredActiveMode());
+    EXPECT_EQ(outerDisplay->getActiveMode().modePtr->getId(), kModeId120);
+
+    mFlinger.onActiveDisplayChanged(outerDisplay);
+
+    // No transition on the inner display.
+    EXPECT_FALSE(innerDisplay->getDesiredActiveMode());
+
+    // Transition on the outer display.
+    ASSERT_TRUE(outerDisplay->getDesiredActiveMode());
+    EXPECT_EQ(outerDisplay->getDesiredActiveMode()->modeOpt->modePtr->getId(), kModeId60);
+
+    EXPECT_CALL(*mComposer,
+                setActiveConfigWithConstraints(kOuterDisplayHwcId,
+                                               hal::HWConfigId(kModeId60.value()), _, _))
+            .WillOnce(DoAll(SetArgPointee<3>(timeline), Return(Error::NONE)));
+
+    mFlinger.commit();
+
+    // No transition on the inner display.
+    EXPECT_FALSE(innerDisplay->getDesiredActiveMode());
+
+    // Transition on the outer display.
+    ASSERT_TRUE(outerDisplay->getDesiredActiveMode());
+    EXPECT_EQ(outerDisplay->getDesiredActiveMode()->modeOpt->modePtr->getId(), kModeId60);
+
+    mFlinger.commit();
+
+    // No transition on the inner display.
+    EXPECT_FALSE(innerDisplay->getDesiredActiveMode());
+    EXPECT_EQ(innerDisplay->getActiveMode().modePtr->getId(), kModeId90);
+
+    // Transition on the outer display.
+    EXPECT_FALSE(outerDisplay->getDesiredActiveMode());
+    EXPECT_EQ(outerDisplay->getActiveMode().modePtr->getId(), kModeId60);
+}
+
 } // namespace
 } // namespace android
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockDisplayMode.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockDisplayMode.h
index c78b6bd..3b36361 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockDisplayMode.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockDisplayMode.h
@@ -38,4 +38,24 @@
     return createDisplayMode(modeId, refreshRate, {}, {}, displayId);
 }
 
+inline DisplayModePtr cloneForDisplay(PhysicalDisplayId displayId, const DisplayModePtr& modePtr) {
+    return DisplayMode::Builder(modePtr->getHwcId())
+            .setId(modePtr->getId())
+            .setPhysicalDisplayId(displayId)
+            .setVsyncPeriod(modePtr->getVsyncPeriod())
+            .setGroup(modePtr->getGroup())
+            .setResolution(modePtr->getResolution())
+            .build();
+}
+
+inline DisplayModes cloneForDisplay(PhysicalDisplayId displayId, const DisplayModes& modes) {
+    DisplayModes clones;
+
+    for (const auto& [id, modePtr] : modes) {
+        clones.try_emplace(id, cloneForDisplay(displayId, modePtr));
+    }
+
+    return clones;
+}
+
 } // namespace android::mock