via: LIS/lis-next#318
Set-VMVideo -VMName centos -HorizontalResolution 2560 -VerticalResolution 1440 -ResolutionType Single
Get-VMVideo centos
via: https://stackoverflow.com/questions/47810473/centos-7-screen-resolution-hyperv-hosted
sudo grubby --update-kernel=ALL --args="video=hyperv_fb:2560x1440"