gistfile1.txt

Fedora 5.2.13-200.fc30.x86_64, using Xorg session. Last clean reinstall F28

lspci -k | egrep -A 3 -i '3d|vga'
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 530 (rev 06)
	Subsystem: ASUSTeK Computer Inc. Device 1d6d
	Kernel driver in use: i915
	Kernel modules: i915
--
01:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 960M] (rev a2)
	Subsystem: ASUSTeK Computer Inc. Device 1d6d
	Kernel driver in use: nvidia
	Kernel modules: nouveau, nvidia_drm, nvidia

nvidia-drm modeset is not enabled as per kmod-common spec
nvidia is now listed under 3D controller, it was VGA compatible before.

Some random commands from the google search that might show something useful:

$ xrandr --listproviders
 Providers: number : 2
 Provider 0: id: 0x1df cap: 0xf, Source Output, Sink Output, Source Offload, Sink Offload crtcs: 3 outputs: 4 associated providers: 0 name:modesetting
 Provider 1: id: 0x1b8 cap: 0x0 crtcs: 0 outputs: 0 associated providers: 0 name:NVIDIA-G0

$ DRI_PRIME=1 glxinfo | grep vendor
 libGL error: failed to create dri screen
 libGL error: failed to load driver: nouveau
 server glx vendor string: SGI
 client glx vendor string: Mesa Project and SGI
 OpenGL vendor string: Intel Open Source Technology Center

$ __GLX_VENDOR_LIBRARY_NAME=nvidia glxinfo | grep vendor
  X Error of failed request:  BadValue (integer parameter out of range for operation)
  Major opcode of failed request:  155 (NV-GLX)
  Minor opcode of failed request:  6 ()
  Value in failed request:  0x0
  Serial number of failed request:  83
  Current serial number in output stream:  83

$ __NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia glxinfo | grep vendor
  server glx vendor string: NVIDIA Corporation
  client glx vendor string: NVIDIA Corporation
  OpenGL vendor string: NVIDIA Corporation