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8f4c53ea96
Preferring "bochs" display device is the way to go when dealing with a Linux guest using UEFI and that's quite well described here: https://www.kraxel.org/blog/2019/09/display-devices-in-qemu/ https://bugzilla.redhat.com/show_bug.cgi?id=1753644 Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
#
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# Copyright 2009, 2013 Red Hat, Inc.
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#
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# This work is licensed under the GNU GPLv2 or later.
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# See the COPYING file in the top-level directory.
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from .device import Device
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from ..xmlbuilder import XMLProperty
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class DeviceVideo(Device):
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XML_NAME = "video"
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_XML_PROP_ORDER = ["model", "vram", "heads", "vgamem"]
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model = XMLProperty("./model/@type")
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vram = XMLProperty("./model/@vram", is_int=True)
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vram64 = XMLProperty("./model/@vram64", is_int=True)
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ram = XMLProperty("./model/@ram", is_int=True)
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heads = XMLProperty("./model/@heads", is_int=True)
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vgamem = XMLProperty("./model/@vgamem", is_int=True)
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accel3d = XMLProperty("./model/acceleration/@accel3d", is_yesno=True)
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##################
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# Default config #
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##################
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@staticmethod
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def default_model(guest):
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if not guest.os.is_hvm():
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return None
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if guest.os.is_pseries():
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return "vga"
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if guest.os.is_arm_machvirt() or guest.os.is_riscv_virt():
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return "virtio"
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if guest.conn.is_qemu() and guest.os.is_s390x():
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return "virtio"
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if guest.has_spice() and guest.os.is_x86():
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if guest.has_gl():
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return "virtio"
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return "qxl"
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if (guest.is_uefi() and
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guest.lookup_domcaps().supports_video_bochs()):
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return "bochs"
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if guest.conn.is_qemu():
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return "qxl"
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return "vga"
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def set_defaults(self, guest):
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if not self.model:
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self.model = self.default_model(guest)
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if self.model == 'virtio' and guest.has_gl():
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self.accel3d = True
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