From 2294e7981488952e7f97c0856fc71a72424dd41e Mon Sep 17 00:00:00 2001
From: Drakulix <github@drakulix.de>
Date: Tue, 20 Feb 2018 17:37:44 +0100
Subject: [PATCH] Reset drm device into text mode on tty switch

---
 src/backend/drm/mod.rs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/backend/drm/mod.rs b/src/backend/drm/mod.rs
index 9a76cea..d4260e5 100644
--- a/src/backend/drm/mod.rs
+++ b/src/backend/drm/mod.rs
@@ -615,6 +615,21 @@ impl<A: ControlDevice + 'static> SessionObserver for StateToken<DrmDevice<A>> {
                 return;
             }
         }
+        for (handle, &(ref info, ref connectors)) in device.old_state.iter() {
+            if let Err(err) = crtc::set(
+                &*device.context,
+                *handle,
+                info.fb(),
+                connectors,
+                info.position(),
+                info.mode(),
+            ) {
+                error!(
+                    device.logger,
+                    "Failed to reset crtc ({:?}). Error: {}", handle, err
+                );
+            }
+        }
         device.active = false;
         if device.priviledged {
             if let Err(err) = device.drop_master() {