diff --git a/current.txt b/current.txt
index e18cec0..a476f51 100644
--- a/current.txt
+++ b/current.txt
@@ -101,7 +101,7 @@
 4f6dedbcdd21c309dfc650acea81a096d6b242493ffe49c8d61bd3c43aad354e android.hardware.graphics.common@1.0::types
 b3aac6c3817f039964fcd62268274b3039e17bd7d0d5b40b4d1d1c7b19a1f866 android.hardware.graphics.composer@2.1::IComposer
 b19d00eb8a8b3b0034a0321f22e8f32162bf4c2aebbce6da22c025f56e459ea2 android.hardware.graphics.composer@2.1::IComposerCallback
-e992684e690dfe67a8cbeab5005bfa3fa9c2bf3d4b0b75657fb1f0c2d5dd2bae android.hardware.graphics.composer@2.1::IComposerClient
+61ee43ffe6fb6dbe8b22dc17c51ff3d5ba703fc6029cba211f901f3d79c8a72d android.hardware.graphics.composer@2.1::IComposerClient
 1c98c2f5154345312ec054871792a2982ec5f3e2bc2abfb61a10c0b517978e20 android.hardware.graphics.composer@2.1::types
 a695898589e1ef15b2b2510f11edd6aafac9918d9cf8d74b4b6143b309dee542 android.hardware.graphics.mapper@2.0::IMapper
 28507d385a3dd224bf3c32f1bfd9f96092c4701b9c1cc66caa578fc3efc97877 android.hardware.graphics.mapper@2.0::types
diff --git a/graphics/composer/2.1/IComposerClient.hal b/graphics/composer/2.1/IComposerClient.hal
index 85572d4..f2ff932 100644
--- a/graphics/composer/2.1/IComposerClient.hal
+++ b/graphics/composer/2.1/IComposerClient.hal
@@ -1117,6 +1117,7 @@
         VALIDATE_DISPLAY                   = 0x203 << OPCODE_SHIFT,
         ACCEPT_DISPLAY_CHANGES             = 0x204 << OPCODE_SHIFT,
         PRESENT_DISPLAY                    = 0x205 << OPCODE_SHIFT,
+        PRESENT_OR_VALIDATE_DISPLAY        = 0x206 << OPCODE_SHIFT,
 
         /** layer commands (VALIDATE_DISPLAY not required) */
         SET_LAYER_CURSOR_POSITION          = 0x300 << OPCODE_SHIFT,
@@ -1135,6 +1136,7 @@
         SET_LAYER_TRANSFORM                = 0x408 << OPCODE_SHIFT,
         SET_LAYER_VISIBLE_REGION           = 0x409 << OPCODE_SHIFT,
         SET_LAYER_Z_ORDER                  = 0x40a << OPCODE_SHIFT,
+        SET_PRESENT_OR_VALIDATE_DISPLAY_RESULT = 0x40b << OPCODE_SHIFT,
 
         /** 0x800 - 0xfff are reserved for vendor extensions */
         /** 0x1000 - 0xffff are reserved */
diff --git a/graphics/composer/2.1/default/ComposerClient.cpp b/graphics/composer/2.1/default/ComposerClient.cpp
index ce4e17f..5a96e29 100644
--- a/graphics/composer/2.1/default/ComposerClient.cpp
+++ b/graphics/composer/2.1/default/ComposerClient.cpp
@@ -562,6 +562,8 @@
         return parseSetOutputBuffer(length);
     case IComposerClient::Command::VALIDATE_DISPLAY:
         return parseValidateDisplay(length);
+    case IComposerClient::Command::PRESENT_OR_VALIDATE_DISPLAY:
+        return parsePresentOrValidateDisplay(length);
     case IComposerClient::Command::ACCEPT_DISPLAY_CHANGES:
         return parseAcceptDisplayChanges(length);
     case IComposerClient::Command::PRESENT_DISPLAY:
@@ -739,6 +741,47 @@
     return true;
 }
 
+bool ComposerClient::CommandReader::parsePresentOrValidateDisplay(uint16_t length)
+{
+    if (length != CommandWriterBase::kPresentOrValidateDisplayLength) {
+        return false;
+    }
+
+    // First try to Present as is.
+    int presentFence = -1;
+    std::vector<Layer> layers;
+    std::vector<int> fences;
+    auto err = mHal.presentDisplay(mDisplay, &presentFence, &layers, &fences);
+    if (err == Error::NONE) {
+        mWriter.setPresentOrValidateResult(1);
+        mWriter.setPresentFence(presentFence);
+        mWriter.setReleaseFences(layers, fences);
+        return true;
+    }
+
+    // Present has failed. We need to fallback to validate
+    std::vector<Layer> changedLayers;
+    std::vector<IComposerClient::Composition> compositionTypes;
+    uint32_t displayRequestMask = 0x0;
+    std::vector<Layer> requestedLayers;
+    std::vector<uint32_t> requestMasks;
+
+    err = mHal.validateDisplay(mDisplay, &changedLayers,
+                               &compositionTypes, &displayRequestMask,
+                               &requestedLayers, &requestMasks);
+    if (err == Error::NONE) {
+        mWriter.setPresentOrValidateResult(0);
+        mWriter.setChangedCompositionTypes(changedLayers,
+                                           compositionTypes);
+        mWriter.setDisplayRequests(displayRequestMask,
+                                   requestedLayers, requestMasks);
+    } else {
+        mWriter.setError(getCommandLoc(), err);
+    }
+
+    return true;
+}
+
 bool ComposerClient::CommandReader::parseAcceptDisplayChanges(uint16_t length)
 {
     if (length != CommandWriterBase::kAcceptDisplayChangesLength) {
diff --git a/graphics/composer/2.1/default/ComposerClient.h b/graphics/composer/2.1/default/ComposerClient.h
index 3d10f80..ee825fe 100644
--- a/graphics/composer/2.1/default/ComposerClient.h
+++ b/graphics/composer/2.1/default/ComposerClient.h
@@ -141,6 +141,7 @@
         bool parseSetClientTarget(uint16_t length);
         bool parseSetOutputBuffer(uint16_t length);
         bool parseValidateDisplay(uint16_t length);
+        bool parsePresentOrValidateDisplay(uint16_t length);
         bool parseAcceptDisplayChanges(uint16_t length);
         bool parsePresentDisplay(uint16_t length);
         bool parseSetLayerCursorPosition(uint16_t length);
diff --git a/graphics/composer/2.1/default/IComposerCommandBuffer.h b/graphics/composer/2.1/default/IComposerCommandBuffer.h
index fb78ef8..9ee5f4f 100644
--- a/graphics/composer/2.1/default/IComposerCommandBuffer.h
+++ b/graphics/composer/2.1/default/IComposerCommandBuffer.h
@@ -152,6 +152,13 @@
         endCommand();
     }
 
+    static constexpr uint32_t kPresentOrValidateDisplayResultLength = 1;
+    void setPresentOrValidateResult(uint32_t  state) {
+       beginCommand(IComposerClient::Command::SET_PRESENT_OR_VALIDATE_DISPLAY_RESULT, kPresentOrValidateDisplayResultLength);
+       write(state);
+       endCommand();
+    }
+
     void setChangedCompositionTypes(const std::vector<Layer>& layers,
             const std::vector<IComposerClient::Composition>& types)
     {
@@ -284,6 +291,14 @@
         endCommand();
     }
 
+    static constexpr uint16_t kPresentOrValidateDisplayLength = 0;
+    void presentOrvalidateDisplay()
+    {
+        beginCommand(IComposerClient::Command::PRESENT_OR_VALIDATE_DISPLAY,
+                     kPresentOrValidateDisplayLength);
+        endCommand();
+    }
+
     static constexpr uint16_t kAcceptDisplayChangesLength = 0;
     void acceptDisplayChanges()
     {