Edge2: fix dp screen hotplug issue

Signed-off-by: Nick Xie <[email protected]>
khadas · Nov 26, 2024 · 6b48800 · 6b48800
1 parent 8f53388
commit 6b48800
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diff --git a/archives/filesystem/special/Edge2/etc/udev/rules.d/61-dp.rules b/archives/filesystem/special/Edge2/etc/udev/rules.d/61-dp.rules
@@ -0,0 +1,2 @@
+SUBSYSTEM=="typec", ACTION=="remove", DEVPATH=="/devices/platform/feaa0000.i2c/i2c-2/2-0022/typec/port0/port0-partner", RUN+="/usr/local/bin/dp-hotplug.sh remove"
+SUBSYSTEM=="typec", ACTION=="add", DEVPATH=="/devices/platform/feaa0000.i2c/i2c-2/2-0022/typec/port0/port0-partner", RUN+="/usr/local/bin/dp-hotplug.sh add"
diff --git a/archives/filesystem/special/Edge2/usr/local/bin/dp-hotplug.sh b/archives/filesystem/special/Edge2/usr/local/bin/dp-hotplug.sh
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+#!/bin/bash
+
+if [ "$1" == "remove" ]; then
+	if [ -f /sys/devices/platform/display-subsystem/drm/card0/card0-DP-1/status ]; then
+		STATUS=$(cat /sys/devices/platform/display-subsystem/drm/card0/card0-DP-1/status)
+		if [ "$STATUS" == "connected" ]; then
+			echo off > /sys/devices/platform/display-subsystem/drm/card0/card0-DP-1/status
+		fi
+	fi
+elif [ "$1" == "add" ]; then
+	if [ -f /sys/devices/platform/display-subsystem/drm/card0/card0-DP-1/status ]; then
+		STATUS=$(cat /sys/devices/platform/display-subsystem/drm/card0/card0-DP-1/status)
+		if [ "$STATUS" == "disconnected" ]; then
+			echo on > /sys/devices/platform/display-subsystem/drm/card0/card0-DP-1/status
+			sleep 0.5
+			echo off > /sys/devices/platform/display-subsystem/drm/card0/card0-DP-1/status
+			sleep 1
+			echo on > /sys/devices/platform/display-subsystem/drm/card0/card0-DP-1/status
+		fi
+	fi
+fi
+
+exit
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		@@ -0,0 +1,2 @@
		SUBSYSTEM=="typec", ACTION=="remove", DEVPATH=="/devices/platform/feaa0000.i2c/i2c-2/2-0022/typec/port0/port0-partner", RUN+="/usr/local/bin/dp-hotplug.sh remove"
		SUBSYSTEM=="typec", ACTION=="add", DEVPATH=="/devices/platform/feaa0000.i2c/i2c-2/2-0022/typec/port0/port0-partner", RUN+="/usr/local/bin/dp-hotplug.sh add"