> EDID is optional, so you can try disable the EDID feature bit and see
> what happens.
Thanks Gerd, after disabling the EDID, I was able to get the required resolution (basically width and height) from the driver.
Another strange observation - When the device receives the command VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING with the number of entries having a pixel data in scatter gather format, the device is trying to store these bytes in contiguous memory. When I read those sg memory, the device receives all zeros from the driver (for a 1024x768 display, the device receives 3MB of data from the driver). Is this an expected behaviour? - If not, what is the driver trying to display on the screen?
This is happening during linux boot on the guest machine.