Commit

cycle.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+# Blank/unblank cycle reproducer for the MIPI flicker investigation.
+# Each iteration: blank the display, wait 1s, unblank, wait 3s.
+# Watch the screen and count cycles that produced visible flicker.
+
+N=${1:-30}
+for i in $(seq 1 $N); do
+    echo "--- cycle $i / $N ---"
+    echo 4 > /sys/class/graphics/fb0/blank
+    sleep 1
+    echo 0 > /sys/class/graphics/fb0/blank
+    sleep 3
+done
+echo "done."