PRIME on Xorg 1.20.6

 eqlucky  ~  sudo cat /var/log/Xorg.0.log | grep NVIDIA
Password:
[     3.742] (II) Module nvidia: vendor="NVIDIA Corporation"
[     3.745] (II) NVIDIA dlloader X Driver  440.36  Tue Nov 12 08:17:24 UTC 2019
[     3.745] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[     3.754] (==) NVIDIA(G0): Depth 24, (==) framebuffer bpp 32
[     3.754] (==) NVIDIA(G0): RGB weight 888
[     3.754] (==) NVIDIA(G0): Default visual is TrueColor
[     3.754] (==) NVIDIA(G0): Using gamma correction (1.0, 1.0, 1.0)
[     3.755] (**) Option "AllowNVIDIAGpuScreens"
[     3.755] (**) NVIDIA(G0): Enabling 2D acceleration
[     3.809] (II) Module glxserver_nvidia: vendor="NVIDIA Corporation"
[     3.809] (II) NVIDIA GLX Module  440.36  Tue Nov 12 08:15:30 UTC 2019
[     3.812] (II) NVIDIA: The X server supports PRIME Render Offload.
[     4.676] (--) NVIDIA(0): Valid display device(s) on GPU-0 at PCI:1:0:0
[     4.676] (--) NVIDIA(0):     DFP-0
[     4.676] (--) NVIDIA(0):     DFP-1
[     4.677] (II) NVIDIA(G0): NVIDIA GPU GeForce GTX 970M (GM204-A) at PCI:1:0:0 (GPU-0)
[     4.677] (--) NVIDIA(G0): Memory: 3145728 kBytes
[     4.677] (--) NVIDIA(G0): VideoBIOS: 84.04.76.00.33
[     4.677] (II) NVIDIA(G0): Detected PCI Express Link width: 16X
[     4.677] (--) NVIDIA(GPU-0): DFP-0: disconnected
[     4.677] (--) NVIDIA(GPU-0): DFP-0: Internal DisplayPort
[     4.677] (--) NVIDIA(GPU-0): DFP-0: 960.0 MHz maximum pixel clock
[     4.677] (--) NVIDIA(GPU-0):
[     4.678] (--) NVIDIA(GPU-0): DFP-1: disconnected
[     4.678] (--) NVIDIA(GPU-0): DFP-1: Internal TMDS
[     4.678] (--) NVIDIA(GPU-0): DFP-1: 165.0 MHz maximum pixel clock
[     4.678] (--) NVIDIA(GPU-0):
[     4.678] (II) NVIDIA(G0): Validated MetaModes:
[     4.678] (II) NVIDIA(G0):     "NULL"
[     4.678] (**) NVIDIA(G0): Virtual screen size configured to be 1920 x 1080
[     4.678] (WW) NVIDIA(G0): Unable to get display device for DPI computation.
[     4.678] (==) NVIDIA(G0): DPI set to (75, 75); computed from built-in default
[     4.686] (II) NVIDIA: Using 6144.00 MB of virtual memory for indirect memory
[     4.686] (II) NVIDIA:     access.
[     4.693] (II) NVIDIA(G0): ACPI: failed to connect to the ACPI event daemon; the daemon
[     4.693] (II) NVIDIA(G0):     may not be running or the "AcpidSocketPath" X
[     4.693] (II) NVIDIA(G0):     configuration option may not be set correctly.  When the
[     4.693] (II) NVIDIA(G0):     ACPI event daemon is available, the NVIDIA X driver will
[     4.693] (II) NVIDIA(G0):     try to use it to receive ACPI event notifications.  For
[     4.693] (II) NVIDIA(G0):     details, please see the "ConnectToAcpid" and
[     4.693] (II) NVIDIA(G0):     "AcpidSocketPath" X configuration options in Appendix B: X
[     4.693] (II) NVIDIA(G0):     Config Options in the README.
[     4.752] (II) NVIDIA(G0): Setting mode "NULL"
[     4.758] (==) NVIDIA(G0): Disabling shared memory pixmaps
[     4.758] (==) NVIDIA(G0): Backing store enabled
[     4.758] (==) NVIDIA(G0): Silken mouse enabled
[     4.758] (==) NVIDIA(G0): DPMS enabled
[     4.758] (II) NVIDIA(G0): [DRI2] Setup complete
[     4.758] (II) NVIDIA(G0): [DRI2]   VDPAU driver: nvidia

 eqlucky  ~  xrandr --listproviders
Providers: number : 2
Provider 0: id: 0x49 cap: 0xb, Source Output, Sink Output, Sink Offload crtcs: 4 outputs: 6 associated providers: 0 name:Intel
Provider 1: id: 0x224 cap: 0x0 crtcs: 0 outputs: 0 associated providers: 0 name:NVIDIA-G0

 eqlucky  ~  inxi -G
Graphics:  Device-1: Intel HD Graphics 530 driver: i915 v: kernel
           Device-2: NVIDIA GM204M [GeForce GTX 970M] driver: nvidia v: 440.36
           Display: x11 server: X.Org 1.20.6 driver: intel,nvidia unloaded: modesetting,vesa
           resolution: 1920x1080~60Hz
           OpenGL: renderer: N/A v: N/A

 eqlucky  ~  __NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia glxgears
Xlib:  extension "GLX" missing on display ":0".
Error: couldn't get an RGB, Double-buffered visual