only apply guc tweaks if needed

5.MediaServer/3.Deploy_demokit/0_setup.py

@@ -41,9 +41,10 @@ def setup(interactive=True):
     if subprocess.getstatusoutput("vainfo")[0] == 0:
         # hw acceleration requires boot-time module options so a reboot will be needed
         c['enable_hw_acceleration'] = True
-        cmds.append('echo "options i915 enable_guc_loading=1 enable_guc_submission=1" > /etc/modprobe.d/netcapture.conf')
-        cmds.append('update-initramfs -u')
-        print('A reboot is required')
+        if subprocess.getstatusoutput('dmesg | grep "Guc: Loaded"')[0] != 0:
+            cmds.append('echo "options i915 enable_guc_loading=1 enable_guc_submission=1" > /etc/modprobe.d/netcapture.conf')
+            cmds.append('update-initramfs -u')
+            print('A reboot is required')
         with open('/etc/miris/netcapture.json', 'w') as f:
             json.dump(c, f)
     utils.run_commands(cmds)