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Linux/drivers/gpu/drm/cirrus/Kconfig

  1 config DRM_CIRRUS_QEMU
  2         tristate "Cirrus driver for QEMU emulated device"
  3         depends on DRM && PCI
  4         select DRM_KMS_HELPER
  5         select DRM_TTM
  6         help
  7          This is a KMS driver for emulated cirrus device in qemu.
  8          It is *NOT* intended for real cirrus devices. This requires
  9          the modesetting userspace X.org driver.
 10 
 11          Cirrus is obsolete, the hardware was designed in the 90ies
 12          and can't keep up with todays needs.  More background:
 13          https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/
 14 
 15          Better alternatives are:
 16            - stdvga (DRM_BOCHS, qemu -vga std, default in qemu 2.2+)
 17            - qxl (DRM_QXL, qemu -vga qxl, works best with spice)
 18            - virtio (DRM_VIRTIO_GPU), qemu -vga virtio)

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