diff --git a/src/dawn/native/Texture.cpp b/src/dawn/native/Texture.cpp
index 521ad8b..98703e8 100644
--- a/src/dawn/native/Texture.cpp
+++ b/src/dawn/native/Texture.cpp
@@ -750,14 +750,15 @@
     return mSampleCount > 1;
 }
 
-bool TextureBase::CoverFullSubresource(const Extent3D& size) const {
+bool TextureBase::CoverFullSubresource(uint32_t mipLevel, const Extent3D& size) const {
+    Extent3D levelSize = GetMipLevelSingleSubresourcePhysicalSize(mipLevel);
     switch (GetDimension()) {
         case wgpu::TextureDimension::e1D:
-            return size.width == GetSize().width;
+            return size.width == levelSize.width;
         case wgpu::TextureDimension::e2D:
-            return size.width == GetSize().width && size.height == GetSize().height;
+            return size.width == levelSize.width && size.height == levelSize.height;
         case wgpu::TextureDimension::e3D:
-            return size == GetSize();
+            return size == levelSize;
     }
 }
 
diff --git a/src/dawn/native/Texture.h b/src/dawn/native/Texture.h
index 42edacf..781ff60 100644
--- a/src/dawn/native/Texture.h
+++ b/src/dawn/native/Texture.h
@@ -80,7 +80,7 @@
     bool IsMultisampledTexture() const;
 
     // Returns true if the size covers the whole subresource.
-    bool CoverFullSubresource(const Extent3D& size) const;
+    bool CoverFullSubresource(uint32_t mipLevel, const Extent3D& size) const;
 
     // For a texture with non-block-compressed texture format, its physical size is always equal
     // to its virtual size. For a texture with block compressed texture format, the physical
diff --git a/src/dawn/native/d3d11/AdapterD3D11.cpp b/src/dawn/native/d3d11/AdapterD3D11.cpp
index 79c3f20..b2744b6 100644
--- a/src/dawn/native/d3d11/AdapterD3D11.cpp
+++ b/src/dawn/native/d3d11/AdapterD3D11.cpp
@@ -193,7 +193,10 @@
     return {};
 }
 
-void Adapter::SetupBackendDeviceToggles(TogglesState* deviceToggles) const {}
+void Adapter::SetupBackendDeviceToggles(TogglesState* deviceToggles) const {
+    // D3D11 can only clear RTV with float values.
+    deviceToggles->Default(Toggle::ApplyClearBigIntegerColorValueWithDraw, true);
+}
 
 ResultOrError<Ref<DeviceBase>> Adapter::CreateDeviceImpl(const DeviceDescriptor* descriptor,
                                                          const TogglesState& deviceToggles) {
diff --git a/src/dawn/native/d3d11/CommandBufferD3D11.cpp b/src/dawn/native/d3d11/CommandBufferD3D11.cpp
index 5ba4ee3..0aafc40 100644
--- a/src/dawn/native/d3d11/CommandBufferD3D11.cpp
+++ b/src/dawn/native/d3d11/CommandBufferD3D11.cpp
@@ -555,9 +555,10 @@
         DAWN_TRY_ASSIGN(d3d11RenderTargetViews[i], colorTextureView->CreateD3D11RenderTargetView());
         d3d11RenderTargetViewPtrs[i] = d3d11RenderTargetViews[i].Get();
         if (renderPass->colorAttachments[i].loadOp == wgpu::LoadOp::Clear) {
-            d3d11DeviceContext1->ClearRenderTargetView(
-                d3d11RenderTargetViews[i].Get(),
-                ConvertToFloatColor(renderPass->colorAttachments[i].clearColor).data());
+            std::array<float, 4> clearColor =
+                ConvertToFloatColor(renderPass->colorAttachments[i].clearColor);
+            d3d11DeviceContext1->ClearRenderTargetView(d3d11RenderTargetViews[i].Get(),
+                                                       clearColor.data());
         }
         attachmentCount = i;
         attachmentCount++;
diff --git a/src/dawn/native/d3d11/TextureD3D11.cpp b/src/dawn/native/d3d11/TextureD3D11.cpp
index 80c0e82..d7f84e4 100644
--- a/src/dawn/native/d3d11/TextureD3D11.cpp
+++ b/src/dawn/native/d3d11/TextureD3D11.cpp
@@ -578,8 +578,8 @@
             UNREACHABLE();
     }
 
-    bool isWholeSubresource = src.texture->CoverFullSubresource(copy->copySize);
-
+    bool isWholeSubresource = src.texture->CoverFullSubresource(src.mipLevel, copy->copySize) &&
+                              dst.texture->CoverFullSubresource(dst.mipLevel, copy->copySize);
     // Partial update subresource of a depth/stencil texture is not allowed.
     ASSERT(isWholeSubresource || !src.texture->GetFormat().HasDepthOrStencil());
 
diff --git a/src/dawn/tests/end2end/RenderAttachmentTests.cpp b/src/dawn/tests/end2end/RenderAttachmentTests.cpp
index bfc7188..dbc095c 100644
--- a/src/dawn/tests/end2end/RenderAttachmentTests.cpp
+++ b/src/dawn/tests/end2end/RenderAttachmentTests.cpp
@@ -76,6 +76,7 @@
 }
 
 DAWN_INSTANTIATE_TEST(RenderAttachmentTest,
+                      D3D11Backend(),
                       D3D12Backend(),
                       D3D12Backend({}, {"use_d3d12_render_pass"}),
                       MetalBackend(),
diff --git a/src/dawn/tests/end2end/RenderBundleTests.cpp b/src/dawn/tests/end2end/RenderBundleTests.cpp
index d3e8e2f..abdefab 100644
--- a/src/dawn/tests/end2end/RenderBundleTests.cpp
+++ b/src/dawn/tests/end2end/RenderBundleTests.cpp
@@ -194,6 +194,7 @@
 }
 
 DAWN_INSTANTIATE_TEST(RenderBundleTest,
+                      D3D11Backend(),
                       D3D12Backend(),
                       MetalBackend(),
                       OpenGLBackend(),
diff --git a/src/dawn/tests/end2end/RenderPassLoadOpTests.cpp b/src/dawn/tests/end2end/RenderPassLoadOpTests.cpp
index 8eac3ed..f25f5fd 100644
--- a/src/dawn/tests/end2end/RenderPassLoadOpTests.cpp
+++ b/src/dawn/tests/end2end/RenderPassLoadOpTests.cpp
@@ -714,6 +714,7 @@
 }
 
 DAWN_INSTANTIATE_TEST(RenderPassLoadOpTests,
+                      D3D11Backend(),
                       D3D12Backend(),
                       MetalBackend(),
                       OpenGLBackend(),
diff --git a/src/dawn/tests/end2end/RenderPassTests.cpp b/src/dawn/tests/end2end/RenderPassTests.cpp
index 14e8d72..624578d 100644
--- a/src/dawn/tests/end2end/RenderPassTests.cpp
+++ b/src/dawn/tests/end2end/RenderPassTests.cpp
@@ -166,6 +166,7 @@
 }
 
 DAWN_INSTANTIATE_TEST(RenderPassTest,
+                      D3D11Backend(),
                       D3D12Backend(),
                       D3D12Backend({}, {"use_d3d12_render_pass"}),
                       MetalBackend(),
@@ -225,6 +226,7 @@
 }
 
 DAWN_INSTANTIATE_TEST(RenderPassTest_RegressionDawn1071,
+                      D3D11Backend(),
                       D3D12Backend(),
                       MetalBackend(),
                       MetalBackend({"metal_render_r8_rg8_unorm_small_mip_to_temp_texture"}),
@@ -239,6 +241,9 @@
     // TODO(crbug.com/dawn/1492): Support copying to Depth16Unorm on GL.
     DAWN_SUPPRESS_TEST_IF(IsOpenGL() || IsOpenGLES());
 
+    // TODO(dawn:1705): fix this test for Intel D3D11.
+    DAWN_SUPPRESS_TEST_IF(IsD3D11() && IsIntel());
+
     // Test all combinatons of multi-mip, multi-layer
     for (uint32_t mipLevelCount : {1, 5}) {
         for (uint32_t arrayLayerCount : {1, 7}) {
@@ -359,6 +364,7 @@
 }
 
 DAWN_INSTANTIATE_TEST(RenderPassTest_RegressionDawn1389,
+                      D3D11Backend(),
                       D3D12Backend(),
                       MetalBackend(),
                       MetalBackend({"use_blit_for_buffer_to_depth_texture_copy"}),