When virtualizing e.g. a Windows 10 installation with QEMU and using the default graphics card (with no command line option set), it shows up as a "Microsoft Basic Display Adapter", and one can choose from a lot of resolutions:
1920 x 1200
1920 x 1080
1680 x 1050
1600 x 1200
1440 x 900
1280 x 900
1280 x 1024
1280 x 960
1280 x 800
1024 x 768
800 x 600
(on a Windows 7 VM, it's even two more).
When adding a VirtIO graphics card via
-vga virtio
or
-device virtio-vga
and installs the respective drivers, the card shows up as a "Red Hat VirtIO GPU DOD controller", and most of the options are gone:
2560 x 1600
1920 x 1080
1280 x 1024
1024 x 768
800 x 600
I also tried options like
-device virtio-vga,edid=on,xres=1440,yres=900
but that doesn't change anything. Still the same few resolutions to choose from.
Is it possible to get more resolution options for a VirtIO grahics card?
