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[PATCH v2 1/2] virtio-vga: fix virtio-vga bar ordering
From: |
Anthoine Bourgeois |
Subject: |
[PATCH v2 1/2] virtio-vga: fix virtio-vga bar ordering |
Date: |
Wed, 22 Apr 2020 23:54:54 +0200 |
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 <address@hidden>
---
hw/display/virtio-vga.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/display/virtio-vga.c b/hw/display/virtio-vga.c
index 2b4c2aa126..95757a6619 100644
--- a/hw/display/virtio-vga.c
+++ b/hw/display/virtio-vga.c
@@ -114,6 +114,7 @@ static void virtio_vga_base_realize(VirtIOPCIProxy
*vpci_dev, Error **errp)
*/
vpci_dev->modern_mem_bar_idx = 2;
vpci_dev->msix_bar_idx = 4;
+ vpci_dev->modern_io_bar_idx = 5;
if (!(vpci_dev->flags & VIRTIO_PCI_FLAG_PAGE_PER_VQ)) {
/*
--
2.20.1
- [PATCH v2 1/2] virtio-vga: fix virtio-vga bar ordering,
Anthoine Bourgeois <=