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[Qemu-devel] [PATCH] vfio: Enable NVIDIA 88000 region quirk regardless o
From: |
Alex Williamson |
Subject: |
[Qemu-devel] [PATCH] vfio: Enable NVIDIA 88000 region quirk regardless of VGA |
Date: |
Tue, 05 Aug 2014 13:45:48 -0600 |
User-agent: |
StGIT/0.14.3 |
If we make use of OVMF for the BIOS then we can use GPUs without VGA
space access, but we still need this quirk. Disassociate it from the
x-vga option and enable it on all NVIDIA VGA display class devices.
Signed-off-by: Alex Williamson <address@hidden>
---
hw/misc/vfio.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c
index ba08adb..4f88fe6 100644
--- a/hw/misc/vfio.c
+++ b/hw/misc/vfio.c
@@ -2194,9 +2194,13 @@ static void
vfio_probe_nvidia_bar0_88000_quirk(VFIODevice *vdev, int nr)
{
PCIDevice *pdev = &vdev->pdev;
VFIOQuirk *quirk;
+ uint16_t vendor, class;
- if (!vdev->has_vga || nr != 0 ||
- pci_get_word(pdev->config + PCI_VENDOR_ID) != PCI_VENDOR_ID_NVIDIA) {
+ vendor = pci_get_word(pdev->config + PCI_VENDOR_ID);
+ class = pci_get_word(pdev->config + PCI_CLASS_DEVICE);
+
+ if (nr != 0 || vendor != PCI_VENDOR_ID_NVIDIA ||
+ class != PCI_CLASS_DISPLAY_VGA) {
return;
}
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