Add API for reading the activity monitor average count for VIC,
NVENC, and NVDEC. There is currently no support for initializing
actmon, so this relies on someone else on a virtualized system
having initialized it (and mapped the actmon region read-only).
Bug 3973633
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Change-Id: Ia1bfec6a090d4effb288b17cbac4d42bf5d0b4e5
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2864719
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
