NVIDIA have released driver 440.82, and details are here:  https://forums.developer.nvidia.com/t/linux-solaris-and-freebsd-driver-440-82-long-lived-branch-release/118864

Tested with latest Kernel 5.6, and compiles/runs OK:

………………
ld -r -o /home/rgadsdon/NVIDIA-Linux-x86_64-440.82/kernel/nvidia-modeset/nv-modeset-interface.o /home/rgadsdon/NVIDIA-Linux-x86_64-440.82/kernel/nvidia-modeset/nvidia-modeset-linux.o /home/rgadsdon/NVIDIA-Linux-x86_64-440.82/kernel/nvidia-modeset/nv-kthread-q.o
MODPOST 4 modules
CC [M] /home/rgadsdon/NVIDIA-Linux-x86_64-440.82/kernel/nvidia-drm.mod.o
LD [M] /home/rgadsdon/NVIDIA-Linux-x86_64-440.82/kernel/nvidia-drm.ko
CC [M] /home/rgadsdon/NVIDIA-Linux-x86_64-440.82/kernel/nvidia-modeset.mod.o
LD [M] /home/rgadsdon/NVIDIA-Linux-x86_64-440.82/kernel/nvidia-modeset.ko
CC [M] /home/rgadsdon/NVIDIA-Linux-x86_64-440.82/kernel/nvidia-uvm.mod.o
LD [M] /home/rgadsdon/NVIDIA-Linux-x86_64-440.82/kernel/nvidia-uvm.ko
CC [M] /home/rgadsdon/NVIDIA-Linux-x86_64-440.82/kernel/nvidia.mod.o
LD [M] /home/rgadsdon/NVIDIA-Linux-x86_64-440.82/kernel/nvidia.ko
make[1]: Leaving directory ‘/usr/src/linux-5.6.3-rc2’

Robert Gadsdon.   April 7th 2020.