diff --git a/src/gpu/GrCaps.cpp b/src/gpu/GrCaps.cpp
index 291a2d4..3b3e56d 100644
--- a/src/gpu/GrCaps.cpp
+++ b/src/gpu/GrCaps.cpp
@@ -81,6 +81,7 @@
     fAvoidWritePixelsFastPath = false;
     fRequiresManualFBBarrierAfterTessellatedStencilDraw = false;
     fNativeDrawIndexedIndirectIsBroken = false;
+    fAvoidReorderingRenderTasks = false;
 
     fPreferVRAMUseOverFlushes = true;
 
@@ -239,6 +240,7 @@
                        fRequiresManualFBBarrierAfterTessellatedStencilDraw);
     writer->appendBool("Native draw indexed indirect is broken [workaround]",
                        fNativeDrawIndexedIndirectIsBroken);
+    writer->appendBool("Avoid DAG reordering [workaround]", fAvoidReorderingRenderTasks);
 
     if (this->advancedBlendEquationSupport()) {
         writer->appendHexU32("Advanced Blend Equation Disable Flags", fAdvBlendEqDisableFlags);
diff --git a/src/gpu/GrCaps.h b/src/gpu/GrCaps.h
index d5d1c5d..33bbdf2 100644
--- a/src/gpu/GrCaps.h
+++ b/src/gpu/GrCaps.h
@@ -475,6 +475,11 @@
 
     bool supportsDynamicMSAA(const GrRenderTargetProxy*) const;
 
+    // skbug.com/11935. Task reordering is disabled for some GPUs on GL due to driver bugs.
+    bool avoidReorderingRenderTasks() const {
+        return fAvoidReorderingRenderTasks;
+    }
+
 #if GR_TEST_UTILS
     struct TestFormatColorTypeCombination {
         GrColorType fColorType;
@@ -536,6 +541,7 @@
     bool fAvoidWritePixelsFastPath                   : 1;
     bool fRequiresManualFBBarrierAfterTessellatedStencilDraw : 1;
     bool fNativeDrawIndexedIndirectIsBroken          : 1;
+    bool fAvoidReorderingRenderTasks                 : 1;
 
     // ANGLE performance workaround
     bool fPreferVRAMUseOverFlushes                   : 1;
diff --git a/src/gpu/GrRecordingContext.cpp b/src/gpu/GrRecordingContext.cpp
index 052df2b..501f01e 100644
--- a/src/gpu/GrRecordingContext.cpp
+++ b/src/gpu/GrRecordingContext.cpp
@@ -72,7 +72,9 @@
     }
 
     bool reduceOpsTaskSplitting = false;
-    if (GrContextOptions::Enable::kYes == this->options().fReduceOpsTaskSplitting) {
+    if (this->caps()->avoidReorderingRenderTasks()) {
+        reduceOpsTaskSplitting = false;
+    } else if (GrContextOptions::Enable::kYes == this->options().fReduceOpsTaskSplitting) {
         reduceOpsTaskSplitting = true;
     } else if (GrContextOptions::Enable::kNo == this->options().fReduceOpsTaskSplitting) {
         reduceOpsTaskSplitting = false;
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index 8975240..eab35c6 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -3462,7 +3462,7 @@
                                                  const GrGLInterface* glInterface,
                                                  GrShaderCaps* shaderCaps,
                                                  FormatWorkarounds* formatWorkarounds) {
-    // A driver but on the nexus 6 causes incorrect dst copies when invalidate is called beforehand.
+    // A driver bug on the nexus 6 causes incorrect dst copies when invalidate is called beforehand.
     // Thus we are disabling this extension for now on Adreno4xx devices.
     if (kAdreno430_GrGLRenderer == ctxInfo.renderer() ||
         kAdreno4xx_other_GrGLRenderer == ctxInfo.renderer() ||
@@ -4100,6 +4100,12 @@
     if (fDisallowTexSubImageForUnormConfigTexturesEverBoundToFBO) {
         fReuseScratchTextures = false;
     }
+
+    // skbug.com/11935. Don't reorder on these GPUs in GL.
+    if (kAdreno620_GrGLRenderer == ctxInfo.renderer() ||
+        kAdreno640_GrGLRenderer == ctxInfo.renderer()) {
+        fAvoidReorderingRenderTasks = true;
+    }
 }
 
 void GrGLCaps::onApplyOptionsOverrides(const GrContextOptions& options) {
diff --git a/src/gpu/gl/GrGLUtil.cpp b/src/gpu/gl/GrGLUtil.cpp
index 65f4779..3edb4d4 100644
--- a/src/gpu/gl/GrGLUtil.cpp
+++ b/src/gpu/gl/GrGLUtil.cpp
@@ -361,6 +361,9 @@
                 if (adrenoNumber == 615) {
                     return kAdreno615_GrGLRenderer;
                 }
+                if (adrenoNumber == 620) {
+                    return kAdreno620_GrGLRenderer;
+                }
                 if (adrenoNumber == 630) {
                     return kAdreno630_GrGLRenderer;
                 }
diff --git a/src/gpu/gl/GrGLUtil.h b/src/gpu/gl/GrGLUtil.h
index 032ef29..fac6336 100644
--- a/src/gpu/gl/GrGLUtil.h
+++ b/src/gpu/gl/GrGLUtil.h
@@ -97,6 +97,7 @@
     kAdreno530_GrGLRenderer,
     kAdreno5xx_other_GrGLRenderer,
     kAdreno615_GrGLRenderer,  // Pixel3a
+    kAdreno620_GrGLRenderer,  // Pixel5
     kAdreno630_GrGLRenderer,  // Pixel3
     kAdreno640_GrGLRenderer,  // Pixel4
     kGoogleSwiftShader_GrGLRenderer,