Beat heavy whipping cream and 1 teaspoon dill on high until stiff peaks form. Cover and refrigerate., Preheat griddle over medium heat. Stir together potatoes, eggs, chives and salt until well combined. Grease griddle. Drop potato mixture by heaping 1/2 cupfuls onto griddle; flatten to 1/2 inch thick. Cook until bottoms are golden brown, about 10 minutes. Turn; cook until second sides are golden brown. Keep warm., To serve, place salmon slices on pancakes. Top with whipped cream; sprinkle with remaining dill.,