virtio-vga: fix virtio-vga bar ordering
commit15138b5e6ff28a8e68a2e1cb6f4ca2fb7e5b057c
authorAnthoine Bourgeois <anthoine.bourgeois@gmail.com>
Wed, 22 Apr 2020 21:54:54 +0000 (22 23:54 +0200)
committerMichael S. Tsirkin <mst@redhat.com>
Mon, 4 May 2020 14:25:02 +0000 (4 10:25 -0400)
treee2058b1ba8194841a34f2dfe38b98e589f25caae
parentba480fa6264b161697009448c3cbc0730485379e
virtio-vga: fix virtio-vga bar ordering

With virtio-vga, pci bar are reordered. Bar #2 is used for compatibility
with stdvga. By default, bar #2 is used by virtio modern io bar.
This bar is the last one introduce in the virtio pci bar layout and it's
crushed by the virtio-vga reordering. So virtio-vga and
modern-pio-notify are incompatible because virtio-vga failed to
initialize with this option.

This fix sets the modern io bar to the bar #5 to avoid conflict.

Signed-off-by: Anthoine Bourgeois <anthoine.bourgeois@gmail.com>
Message-Id: <20200422215455.10244-1-anthoine.bourgeois@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
hw/display/virtio-vga.c