Hi,

quoted

diff --git a/drivers/video/hyperv_fb.c b/drivers/video/hyperv_fb.c index

b7b3dd0..1b11886 100644

--- a/drivers/video/hyperv_fb.c
+++ b/drivers/video/hyperv_fb.c

@@ -683,6 +683,7 @@ static int hvfb_getmem(struct fb_info *info)
 		info->apertures->ranges[0].base = pci_resource_start(pdev, 0);
 		info->apertures->ranges[0].size = pci_resource_len(pdev, 0);
 	}
+	remove_conflicting_framebuffers(info->apertures,

KBUILD_MODNAME,
+false);

Thanks for the updates. I'm concerned about, after removing efifb, 
if synthvid_send_config(hdev) fails, then there will be no video driver
available.

That may happen, yes.

Is there a way to bring the generic driver back if 
synthvid_send_config(hdev) fails?

Not that I know of.

If no way to recover the generic driver, please limit the early
remove_conflicting_framebuffers() to Gen2 VM only.

I'll send updated patches once they are tested.

cheers,
  Gerd