From 8bc16361ea6ab1f98689a6911be2cb8dd9d0371d Mon Sep 17 00:00:00 2001
From: Dave Allie <dave@daveallie.com>
Date: Tue, 16 Dec 2025 22:59:56 +1100
Subject: [PATCH] Ensure buffer is swapped in dual buffer mode

Bug introduced in https://github.com/open-x4-epaper/community-sdk/pull/7
---
 libs/display/EInkDisplay/src/EInkDisplay.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/display/EInkDisplay/src/EInkDisplay.cpp b/libs/display/EInkDisplay/src/EInkDisplay.cpp
index a58344a..cc3a0b8 100644
--- a/libs/display/EInkDisplay/src/EInkDisplay.cpp
+++ b/libs/display/EInkDisplay/src/EInkDisplay.cpp
@@ -437,6 +437,10 @@ void EInkDisplay::displayBuffer(RefreshMode mode) {
 #endif
   }
 
+#ifndef EINK_DISPLAY_SINGLE_BUFFER_MODE
+  swapBuffers();
+#endif
+
   // Refresh the display
   refreshDisplay(mode);