4 files changed, 9 insertions, 9 deletions
diff --git a/backends/platform/psp/display_manager.cpp b/backends/platform/psp/display_manager.cpp
index 15e0188ebf..a9f33f6091 100644
--- a/backends/platform/psp/display_manager.cpp
+++ b/backends/platform/psp/display_manager.cpp
@@ -379,7 +379,7 @@ inline bool DisplayManager::isTimeToUpdate() {
 	return true;
 }
 
-Common::List<Graphics::PixelFormat> DisplayManager::getSupportedPixelFormats() {
+Common::List<Graphics::PixelFormat> DisplayManager::getSupportedPixelFormats() const {
 	Common::List<Graphics::PixelFormat> list;
 
 	// In order of preference
diff --git a/backends/platform/psp/display_manager.h b/backends/platform/psp/display_manager.h
index bceb85703d..dbbdf2022c 100644
--- a/backends/platform/psp/display_manager.h
+++ b/backends/platform/psp/display_manager.h
@@ -83,12 +83,12 @@ public:
 	void setSizeAndPixelFormat(uint width, uint height, const Graphics::PixelFormat *format);
 
 	// Getters
-	float getScaleX() { return _displayParams.scaleX; }
-	float getScaleY() { return _displayParams.scaleY; }
-	uint32 getOutputWidth() { return _displayParams.screenOutput.width; }
-	uint32 getOutputHeight() { return _displayParams.screenOutput.height; }
-	uint32 getOutputBitsPerPixel() { return _displayParams.outputBitsPerPixel; }
-	Common::List<Graphics::PixelFormat> getSupportedPixelFormats();
+	float getScaleX() const { return _displayParams.scaleX; }
+	float getScaleY() const { return _displayParams.scaleY; }
+	uint32 getOutputWidth() const { return _displayParams.screenOutput.width; }
+	uint32 getOutputHeight() const { return _displayParams.screenOutput.height; }
+	uint32 getOutputBitsPerPixel() const { return _displayParams.outputBitsPerPixel; }
+	Common::List<Graphics::PixelFormat> getSupportedPixelFormats() const;
 
 private:
 	struct GlobalDisplayParams {
diff --git a/backends/platform/psp/osys_psp.cpp b/backends/platform/psp/osys_psp.cpp
index b0fb971230..580e4f1cfd 100644
--- a/backends/platform/psp/osys_psp.cpp
+++ b/backends/platform/psp/osys_psp.cpp
@@ -148,7 +148,7 @@ Graphics::PixelFormat OSystem_PSP::getScreenFormat() const {
 	return _screen.getScummvmPixelFormat();
 }
 
-Common::List<Graphics::PixelFormat> OSystem_PSP::getSupportedFormats() {
+Common::List<Graphics::PixelFormat> OSystem_PSP::getSupportedFormats() const {
 	return _displayManager.getSupportedPixelFormats();
 }
 
diff --git a/backends/platform/psp/osys_psp.h b/backends/platform/psp/osys_psp.h
index d8ec8fe824..56a64ccb80 100644
--- a/backends/platform/psp/osys_psp.h
+++ b/backends/platform/psp/osys_psp.h
@@ -87,7 +87,7 @@ public:
 	int getGraphicsMode() const;
 #ifdef USE_RGB_COLOR
 	virtual Graphics::PixelFormat getScreenFormat() const;
-	virtual Common::List<Graphics::PixelFormat> getSupportedFormats();
+	virtual Common::List<Graphics::PixelFormat> getSupportedFormats() const;
 #endif
 
 	// Screen size