diff options
Diffstat (limited to 'drivers/vfio/pci/vfio_pci.c')
| -rw-r--r-- | drivers/vfio/pci/vfio_pci.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index cb2624d..74a3752 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -111,6 +111,7 @@ static inline bool vfio_pci_is_vga(struct pci_dev *pdev) } static void vfio_pci_try_bus_reset(struct vfio_pci_device *vdev); +static void vfio_pci_disable(struct vfio_pci_device *vdev); static int vfio_pci_enable(struct vfio_pci_device *vdev) { @@ -170,10 +171,16 @@ static int vfio_pci_enable(struct vfio_pci_device *vdev) vdev->has_vga = true; - if (vfio_pci_is_vga(pdev) && pdev->vendor == PCI_VENDOR_ID_INTEL) { - if (vfio_pci_igd_opregion_init(vdev) == 0) - dev_info(&pdev->dev, - "Intel IGD OpRegion support enabled\n"); + if (vfio_pci_is_vga(pdev) && + pdev->vendor == PCI_VENDOR_ID_INTEL && + IS_ENABLED(CONFIG_VFIO_PCI_IGD)) { + ret = vfio_pci_igd_init(vdev); + if (ret) { + dev_warn(&vdev->pdev->dev, + "Failed to setup Intel IGD regions\n"); + vfio_pci_disable(vdev); + return ret; + } } return 0; |