I tried to dl the GPU bios from gpuz website, and added them to the vm with no joy,
here is the logs if that helps?
-realtime mlock=off \
-smp 6,sockets=1,cores=3,threads=2 \
-uuid 7ab519b1-450b-defc-2724-32232e1c3b5b \
-display none \
-no-user-config \
-nodefaults \
-chardev socket,id=charmonitor,fd=27,server,nowait \
-mon chardev=charmonitor,id=monitor,mode=control \
-rtc base=localtime \
-no-hpet \
-no-shutdown \
-boot strict=on \
-device pcie-root-port,port=0x8,chassis=1,id=pci.1,bus=pcie.0,multifunction=on,addr=0x1 \
-device pcie-root-port,port=0x9,chassis=2,id=pci.2,bus=pcie.0,addr=0x1.0x1 \
-device pcie-root-port,port=0xa,chassis=3,id=pci.3,bus=pcie.0,addr=0x1.0x2 \
-device pcie-root-port,port=0xb,chassis=4,id=pci.4,bus=pcie.0,addr=0x1.0x3 \
-device ich9-usb-ehci1,id=usb,bus=pcie.0,addr=0x7.0x7 \
-device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pcie.0,multifunction=on,addr=0x7 \
-device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pcie.0,addr=0x7.0x1 \
-device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pcie.0,addr=0x7.0x2 \
-device virtio-serial-pci,id=virtio-serial0,bus=pci.2,addr=0x0 \
-drive 'file=/mnt/user/isos/Windows10 15-7-19.iso,format=raw,if=none,id=drive-sata0-0-0,readonly=on' \
-device ide-cd,bus=ide.0,drive=drive-sata0-0-0,id=sata0-0-0,bootindex=2 \
-drive file=/mnt/user/isos/virtio-win-0.1.160-1.iso,format=raw,if=none,id=drive-sata0-0-1,readonly=on \
-device ide-cd,bus=ide.1,drive=drive-sata0-0-1,id=sata0-0-1 \
-drive file=/mnt/user/domains/uGaming/vdisk1.img,format=raw,if=none,id=drive-sata0-0-2,cache=writeback \
-device ide-hd,bus=ide.2,drive=drive-sata0-0-2,id=sata0-0-2,bootindex=1,write-cache=on \
-netdev tap,fd=29,id=hostnet0,vhost=on,vhostfd=30 \
-device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:c1:72:1b,bus=pci.1,addr=0x0 \
-chardev pty,id=charserial0 \
-device isa-serial,chardev=charserial0,id=serial0 \
-chardev socket,id=charchannel0,fd=32,server,nowait \
-device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=org.qemu.guest_agent.0 \
-device vfio-pci,host=04:00.0,id=hostdev0,bus=pci.3,addr=0x0,romfile=/boot/syslinux/HP.Quadro2000.1024.111018.rom \
-device usb-host,hostbus=3,hostaddr=2,id=hostdev1,bus=usb.0,port=1 \
-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
-msg timestamp=on
2019-07-15 21:33:49.725+0000: Domain id=3 is tainted: high-privileges
2019-07-15 21:33:49.725+0000: Domain id=3 is tainted: host-cpu
char device redirected to /dev/pts/0 (label charserial0)