Force change to integrated if in nvidia or hybrid mode

Force change to integrated if in nvidia or hybrid mode and user tries
to switch to vfio or compute

CHANGELOG.md

@@ -13,6 +13,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added ability to fade in/out gifs and images for anime. This does break anime configs. See manual for details.
 - Added task to CtrlLed to set the keyboard LED brightness on wake from suspend
   + requires a kernel patch which will be upstreamed and in fedora rog kernel
+- Make gfx change from nvidia to vfio/compute also force-change to integrated _then_
+  to requested mode
 
 # [3.6.1] - 2021-05-25
 ### Changed

daemon/src/ctrl_gfx/controller.rs

@@ -548,8 +548,21 @@ impl CtrlGraphics {
             false
         };
 
-        Self::do_vendor_tasks(vendor, vfio_enable, &devices, &bus)?;
-        Self::do_display_manager_action("restart")?;
+        // Need to change to integrated before we can change to vfio or compute
+        if let Ok(config) = config.try_lock() {
+            if matches!(vendor, GfxVendors::Compute | GfxVendors::Vfio)
+                && matches!(config.gfx_mode, GfxVendors::Nvidia | GfxVendors::Hybrid)
+            {
+                Self::do_vendor_tasks(GfxVendors::Integrated, vfio_enable, &devices, &bus)?;
+                Self::do_display_manager_action("restart")?;
+                sleep(Duration::from_millis(1000)); // Allow some time for the desktop to start
+                Self::do_vendor_tasks(vendor, vfio_enable, &devices, &bus)?;
+            }
+        } else {
+            Self::do_vendor_tasks(vendor, vfio_enable, &devices, &bus)?;
+            Self::do_display_manager_action("restart")?;
+        }
+
         // Save selected mode in case of reboot
         Self::save_gfx_mode(vendor, config);
         info!("GFX thread: display-manager started");

daemon/src/ctrl_leds/controller.rs

@@ -17,7 +17,7 @@ use rog_aura::{
     AuraEffect, LedBrightness, LED_MSG_LEN,
 };
 use rog_types::supported::LedSupportedFunctions;
-use std::{fs::OpenOptions, thread::{self, spawn}, time::Duration};
+use std::{fs::OpenOptions, thread::spawn};
 use std::io::{Read, Write};
 use std::path::Path;
 use std::sync::Arc;