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acpi: pc: vga: use AcpiDevAmlIf interface to build VGA device descriptors

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NB:
We do not expect any functional change in any ACPI tables with this
change. It's only a refactoring.

NB2:
Some targets (or1k) do not support acpi and CONFIG_ACPI is off for them.
However, modules are reused between all architectures so CONFIG_ACPI is
on.  For those architectures, dummy stub function definitions help to
resolve symbols.  This change uses more of these and so it adds a couple
of dummy stub definitions so that symbols for those can be resolved.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20221017102146.2254096-2-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Ani Sinha <ani@anisinha.ca>
CC: Bernhard Beschow <shentey@gmail.com>
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Message-Id: <20221107152744.868434-1-ani@anisinha.ca>
This commit is contained in:
Igor Mammedov 2022-10-17 12:21:36 +02:00 • committed by Michael S. Tsirkin
parent bd437c960f
commit cfead31326
7 changed files with 67 additions and 25 deletions
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4
hw/display/vga-pci.c
View file

@ -35,6 +35,7 @@
#include "hw/loader.h"
#include "hw/display/edid.h"
#include "qom/object.h"
#include "hw/acpi/acpi_aml_interface.h"
enum vga_pci_flags {
PCI_VGA_FLAG_ENABLE_MMIO = 1,
@ -354,11 +355,13 @@ static void vga_pci_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
AcpiDevAmlIfClass *adevc = ACPI_DEV_AML_IF_CLASS(klass);
k->vendor_id = PCI_VENDOR_ID_QEMU;
k->device_id = PCI_DEVICE_ID_QEMU_VGA;
dc->vmsd = &vmstate_vga_pci;
set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
adevc->build_dev_aml = build_vga_aml;
}
static const TypeInfo vga_pci_type_info = {
@ -369,6 +372,7 @@ static const TypeInfo vga_pci_type_info = {
.class_init = vga_pci_class_init,
.interfaces = (InterfaceInfo[]) {
{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
{ TYPE_ACPI_DEV_AML_IF },
{ },
},
};