From 23f56b50b1942d1f99b44b12d726234f3b6299d3 Mon Sep 17 00:00:00 2001
From: Xavier Del Campo Romero <xavi.dcr@tutanota.com>
Date: Mon, 13 Mar 2023 03:28:03 +0100
Subject: [PATCH] Add 98-preventflippingbug.rules

This mitigates the "flipping frames" bug.
---
 98-preventflippingbug.rules | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 98-preventflippingbug.rules

diff --git a/98-preventflippingbug.rules b/98-preventflippingbug.rules
new file mode 100644
index 0000000..fe3d53d
--- /dev/null
+++ b/98-preventflippingbug.rules
@@ -0,0 +1,9 @@
+# https://forum.pine64.org/showthread.php?tid=17771&pid=115220
+# udev rule. this prevent flipping frames bug
+# example file location /lib/udev/rules.d/98-preventflippingbug.rules
+# powersaving part
+KERNEL=="1c40000.gpu", SUBSYSTEM=="platform", DRIVER=="lima", ATTR{power/autosuspend_delay_ms}="-1"
+KERNEL=="1c40000.gpu", SUBSYSTEM=="platform", DRIVER=="lima", ATTR{power/control}="on"
+# frequency part, may not be needed
+KERNEL=="1c40000.gpu", SUBSYSTEM=="devfreq", ATTR{min_freq}="432000000"
+KERNEL=="1c40000.gpu", SUBSYSTEM=="devfreq", ATTR{max_freq}="432000000"