[v3] Add vfio dma-buf based display reset handling

[Qemu-devel] [PATCH v3 0/2] Add vfio dma-buf based display reset handling

Tina Zhang posted 2 patches 7 years, 6 months ago

Diff against v4
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git fetch https://github.com/patchew-project/qemu tags/patchew/1524730880-7154-1-git-send-email-tina.zhang@intel.com

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hw/vfio/display.c    | 10 ++++++++++
hw/vfio/pci.c        |  7 +++++++
hw/vfio/pci.h        |  1 +
include/ui/console.h |  1 +
ui/console.c         | 10 ++++++++++
5 files changed, 29 insertions(+)

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[Qemu-devel] [PATCH v3 0/2] Add vfio dma-buf based display reset handling

Posted by Tina Zhang 7 years, 6 months ago

vfio display needs to release the invalid display resource and disable
the scanout mode during guest OS reboot, otherwise bugs come out.

Thanks hang.yuan@intel.com for helping root cause the issue.

v2->v3:
 - Limit vfio_display_reset to dma-buf based vfio display. (Gerd)

v1->v2:
 - remove dpy_gfx_switch_surface. (Gerd)
 - add dpy_gfx_update_full. (Gerd)

Tina Zhang (2):
  console: introduce dpy_gfx_update_full
  ui: introduce vfio_display_reset

 hw/vfio/display.c    | 10 ++++++++++
 hw/vfio/pci.c        |  7 +++++++
 hw/vfio/pci.h        |  1 +
 include/ui/console.h |  1 +
 ui/console.c         | 10 ++++++++++
 5 files changed, 29 insertions(+)

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2.7.4