Reverted HDRP FSR2 UI back to its original state, since we don't really care about the standard quality presets. Percentage-based scaling and dynamic resolution works better with HDRP's setup.

com.unity.render-pipelines.high-definition/Editor/RenderPipeline/Camera/HDCameraUI.Rendering.Drawers.cs

@@ -203,7 +203,7 @@ namespace UnityEditor.Rendering.HighDefinition
                         {
                             var v = EditorGUILayout.EnumPopup(
                                 HDRenderPipelineUI.Styles.FSR2QualitySettingContent,
-                                (UnityEngine.Rendering.HighDefinition.AMD.FSR2Quality)p.fidelityFX2SuperResolutionQuality.intValue);
+                                (UnityEngine.AMD.FSR2Quality)p.fidelityFX2SuperResolutionQuality.intValue);
                             p.fidelityFX2SuperResolutionQuality.intValue = (int)(object)v;
                         }
                         EditorGUI.indentLevel--;

com.unity.render-pipelines.high-definition/Editor/RenderPipeline/HDRenderPipelineUI.cs

@@ -734,7 +734,7 @@ namespace UnityEditor.Rendering.HighDefinition
                     {
                         var v = EditorGUILayout.EnumPopup(
                             Styles.FSR2QualitySettingContent,
-                            (UnityEngine.Rendering.HighDefinition.AMD.FSR2Quality)
+                            (UnityEngine.AMD.FSR2Quality)
                             serialized.renderPipelineSettings.dynamicResolutionSettings.FSR2QualitySetting.intValue);
                         serialized.renderPipelineSettings.dynamicResolutionSettings.FSR2QualitySetting.intValue = (int)(object)v;
                     }