### xorg.conf

Section "ServerFlags"
        Option "DontVTSwitch" "False"
        Option "DontZap" "False"
EndSection

Section "Module"
        Load  "glx"
EndSection

Section "Device"
        Identifier      "MyRadeon"
        Driver  "amdgpu"
        BusID   "PCI:1:0:0"
#       Option  "Monitor-VGA-1" "SyncMaster"
#       Option  "Monitor-DVI-I-1"       "SyncMaster"
#       Option  "Monitor-DisplayPort-0" ""
#       Option  "Monitor-HDMI-1"        "SyncMaster" # for modesetting
#       Option  "Monitor-HDMI-A-0"      "SyncMaster" # for AMDGPU
        Option  "TearFree"
EndSection

Section "Screen"
        Identifier      "MyScreen"
        Device "MyRadeon"
        Monitor "SyncMaster"
        DefaultDepth    24
        SubSection      "Display"
                Depth   24
                Modes   "1280x1024"
        EndSubSection
EndSection

Section "ServerLayout"
        Identifier     "MyLayout"
        Screen         "MyScreen"
#       InputDevice    "Mouse0" "CorePointer"
#       InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

### xorg.conf.d

Section "Monitor"
        Identifier "SyncMaster"
        ModelName "SyncMaster"
        VendorName "SAM"
        # Monitor Manufactured week 11 of 2004
        # EDID version 1.3
        # Analog Display
        Option "SyncOnGreen" "true"
        DisplaySize 340 270
#       Gamma 2.40
        Option "DPMS" "true"
        Horizsync 30-81
        VertRefresh 56-75
        # Maximum pixel clock is 140MHz
        Modeline        "1280x1024"     138.590 1280 1368 1504 1728 1024 1025 1028 1069 -hsync +vsync
EndSection