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[PULL,1/1] vfio: Enable NVIDIA 88000 region quirk regardless of VGA

Message ID 20140825193939.7299.85986.stgit@bling.home
State New
Headers show

Commit Message

Alex Williamson Aug. 25, 2014, 7:39 p.m. UTC
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 <alex.williamson@redhat.com>
---
 hw/misc/vfio.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
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Patch

diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c
index 0617b70..40dcaa6 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;
     }