Merge tag 'display-20250718-pull-request' of https://gitlab.com/kraxel/qemu into staging

Load ramfb vgabios on x86 only.

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 # Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* tag 'display-20250718-pull-request' of https://gitlab.com/kraxel/qemu:
  hw/i386: Add the ramfb romfile compatibility
  vfio: Move the TYPE_* to hw/vfio/types.h
  ramfb: Add property to control if load the romfile

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

Conflicts:
  hw/core/machine.c
  Context conflict because the vfio-pci
  "x-migration-load-config-after-iter" was added recently.

4 files changed, 27 insertions, 11 deletions

diff --git a/hw/vfio/display.c b/hw/vfio/display.c
index 9c6f5aa265..faacd9019a 100644
--- a/hw/vfio/display.c
+++ b/hw/vfio/display.c
@@ -365,7 +365,7 @@ static bool vfio_display_dmabuf_init(VFIOPCIDevice *vdev, Error **errp)
                                           &vfio_display_dmabuf_ops,
                                           vdev);
     if (vdev->enable_ramfb) {
-        vdev->dpy->ramfb = ramfb_setup(errp);
+        vdev->dpy->ramfb = ramfb_setup(vdev->use_legacy_x86_rom, errp);
         if (!vdev->dpy->ramfb) {
             return false;
         }
@@ -494,7 +494,7 @@ static bool vfio_display_region_init(VFIOPCIDevice *vdev, Error **errp)
                                           &vfio_display_region_ops,
                                           vdev);
     if (vdev->enable_ramfb) {
-        vdev->dpy->ramfb = ramfb_setup(errp);
+        vdev->dpy->ramfb = ramfb_setup(vdev->use_legacy_x86_rom, errp);
         if (!vdev->dpy->ramfb) {
             return false;
         }
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index be05002b98..e72d514a4c 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -3849,6 +3849,8 @@ static const TypeInfo vfio_pci_dev_info = {
 
 static const Property vfio_pci_dev_nohotplug_properties[] = {
     DEFINE_PROP_BOOL("ramfb", VFIOPCIDevice, enable_ramfb, false),
+    DEFINE_PROP_BOOL("use-legacy-x86-rom", VFIOPCIDevice,
+                     use_legacy_x86_rom, false),
     DEFINE_PROP_ON_OFF_AUTO("x-ramfb-migrate", VFIOPCIDevice, ramfb_migrate,
                             ON_OFF_AUTO_AUTO),
 };
diff --git a/hw/vfio/pci.h b/hw/vfio/pci.h
index 4aa6461117..248e5c4b16 100644
--- a/hw/vfio/pci.h
+++ b/hw/vfio/pci.h
@@ -14,6 +14,7 @@
 
 #include "system/memory.h"
 #include "hw/pci/pci_device.h"
+#include "hw/vfio/types.h"
 #include "hw/vfio/vfio-device.h"
 #include "hw/vfio/vfio-region.h"
 #include "qemu/event_notifier.h"
@@ -119,17 +120,8 @@ typedef struct VFIOMSIXInfo {
     MemoryRegion *pba_region;
 } VFIOMSIXInfo;
 
-/*
- * TYPE_VFIO_PCI_BASE is an abstract type used to share code
- * between VFIO implementations that use a kernel driver
- * with those that use user sockets.
- */
-#define TYPE_VFIO_PCI_BASE "vfio-pci-base"
 OBJECT_DECLARE_SIMPLE_TYPE(VFIOPCIDevice, VFIO_PCI_BASE)
 
-#define TYPE_VFIO_PCI "vfio-pci"
-/* TYPE_VFIO_PCI shares struct VFIOPCIDevice. */
-
 struct VFIOPCIDevice {
     PCIDevice pdev;
     VFIODevice vbasedev;
@@ -189,6 +181,7 @@ struct VFIOPCIDevice {
     bool no_kvm_ioeventfd;
     bool no_vfio_ioeventfd;
     bool enable_ramfb;
+    bool use_legacy_x86_rom;
     OnOffAuto ramfb_migrate;
     bool defer_kvm_irq_routing;
     bool clear_parent_atomics_on_exit;
diff --git a/hw/vfio/types.h b/hw/vfio/types.h
new file mode 100644
index 0000000000..fa20c29b9f
--- /dev/null
+++ b/hw/vfio/types.h
@@ -0,0 +1,21 @@
+/*
+ * VFIO types definition
+ *
+ * Copyright Red Hat, Inc. 2025
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#ifndef HW_VFIO_VFIO_TYPES_H
+#define HW_VFIO_VFIO_TYPES_H
+
+/*
+ * TYPE_VFIO_PCI_BASE is an abstract type used to share code
+ * between VFIO implementations that use a kernel driver
+ * with those that use user sockets.
+ */
+#define TYPE_VFIO_PCI_BASE "vfio-pci-base"
+
+#define TYPE_VFIO_PCI "vfio-pci"
+/* TYPE_VFIO_PCI shares struct VFIOPCIDevice. */
+
+#endif /* HW_VFIO_VFIO_TYPES_H */