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From 24d5cb5f451e6e41456e5967d326fa51c844b22f Mon Sep 17 00:00:00 2001
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From: Tarun Gupta <tgupta@redhat.com>
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Date: Wed, 20 Jun 2018 18:54:25 +0200
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Subject: [PATCH 17/17] vfio/pci: Default display option to "off"
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RH-Author: Tarun Gupta <tgupta@redhat.com>
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Message-id: <1529520865-18127-12-git-send-email-tgupta@redhat.com>
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Patchwork-id: 80917
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O-Subject: [RHEL7.6 qemu-kvm PATCH v3 11/11] vfio/pci: Default display option to "off"
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Bugzilla: 1555246
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RH-Acked-by: Alex Williamson <alex.williamson@redhat.com>
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RH-Acked-by: Gerd Hoffmann <kraxel@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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Commit a9994687cb9b ("vfio/display: core & wireup") added display
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support to vfio-pci with the default being "auto", which breaks
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existing VMs when the vGPU requires GL support but had no previous
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requirement for a GL compatible configuration. "Off" is the safer
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default as we impose no new requirements to VM configurations.
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Fixes: a9994687cb9b ("vfio/display: core & wireup")
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Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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(cherry picked from upstream qemu
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8151a9c56d31eeeea872b8103c8b86d03c411667)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/misc/vfio.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c
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index dd3efb3..f91eecb 100644
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--- a/hw/misc/vfio.c
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+++ b/hw/misc/vfio.c
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@@ -4475,7 +4475,7 @@ static Property vfio_pci_dev_properties[] = {
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DEFINE_PROP_PCI_HOST_DEVADDR("host", VFIOPCIDevice, host),
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DEFINE_PROP_STRING("sysfsdev", VFIOPCIDevice, vbasedev.sysfsdev),
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DEFINE_PROP_ON_OFF_AUTO("display", VFIOPCIDevice,
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- display, ON_OFF_AUTO_AUTO),
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+ display, ON_OFF_AUTO_OFF),
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DEFINE_PROP_UINT32("x-intx-mmap-timeout-ms", VFIOPCIDevice,
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intx.mmap_timeout, 1100),
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DEFINE_PROP_BIT("x-vga", VFIOPCIDevice, features,
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--
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1.8.3.1
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