add notes for ModulePath, remove T4 notes

xrdpdev/xorg_nvidia.conf

@@ -1,3 +1,4 @@
+
 Section "ServerLayout"
   Identifier "XRDP GPU Server"
   Screen 0 "dGPU"
@@ -11,8 +12,16 @@ Section "ServerFlags"
   Option "DefaultServerLayout" "XRDP GPU Server"
   Option "DontVTSwitch" "on"
   Option "AutoAddDevices" "off"
+  Option "AutoAddGPU" "off"
 EndSection
 
+# This section might be needed if the nvidia Xorg module is not installed
+# in the default modules directory ie /usr/lib/xorg/modules
+# example package on ubuntu xserver-xorg-video-nvidia-535
+#Section "Files"
+#    ModulePath "/usr/lib/x86_64-linux-gnu/nvidia/xorg,/usr/lib/xorg/modules"
+#EndSection
+
 Section "Module"
   Load "xorgxrdp"
 EndSection
@@ -31,16 +40,11 @@ Section "Screen"
   Identifier "dGPU"
   Device "dGPU"
   Option "DPI" "96 x 96"
-# T4 needs an entry here, this is not the desktop size
-  SubSection "Display"
-    Virtual 1920 1080
-  EndSubSection
 EndSection
 
 Section "Device"
   Identifier "dGPU"
   Driver "nvidia"
-# T4 may need to comment out next line
   Option "UseDisplayDevice" "none"
   Option "ConnectToAcpid" "false"
   BusID "PCI:3:0:0"