fb-defio: Inhibit VM_IO flag to be set on vmalloc-ed framebuffers.

The framebuffers (screenbase) these drivers present are actually
vmalloc-ed pages. There is no need for them to have the VM_IO flag set.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: Jaya Kumar <jayakumar.lkml@gmail.com>
diff --git a/drivers/video/broadsheetfb.c b/drivers/video/broadsheetfb.c
index 509cb92..df9ccb9 100644
--- a/drivers/video/broadsheetfb.c
+++ b/drivers/video/broadsheetfb.c
@@ -470,7 +470,7 @@
 	par->read_reg = broadsheet_read_reg;
 	init_waitqueue_head(&par->waitq);
 
-	info->flags = FBINFO_FLAG_DEFAULT;
+	info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB;
 
 	info->fbdefio = &broadsheetfb_defio;
 	fb_deferred_io_init(info);