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35541782dc
qxl devices can have a 64bit surface bar, which is quite handy if
you need a bit more surface memory. So try to use it if it is
present. Note that this bar might be mapped above 4g.
QEMU command line to check that out:
qemu-system-x86_64 -m 4g \
-vga qxl -global qxl-vga.vram64_size_mb=512 \
$otheroptions
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>