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pci passthrough: fixup GPU passthrough notes

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Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht 2018-11-26 12:48:30 +01:00
parent 1c1241f262
commit 082b32fb8d
1 changed files with 9 additions and 11 deletions

20
qm-pci-passthrough.adoc

@ -128,20 +128,18 @@ For this add the following line in a file ending with `.conf' file in
Please be aware that this option can make your system unstable.
====
Notes for GPU passthrough
^^^^^^^^^^^^^^^^^^^^^^^^^
GPU Passthrough Notes
^^^^^^^^^^^^^^^^^^^^^
When passing through a GPU (be it a full device, or a vGPU), if you want to use
it for displaying, you have to either physically connect a monitor to the
card (if possible), or configure a remote desktop software (e.g., VNC, RDP)
inside the guest and use that.
It is not possible to display the frame buffer of the GPU via NoVNC or SPICE on
the {pve} web interface.
It is not possible to display the content of the GPU via NoVNC/SPICE on the
{pve} web interface.
When passing through a whole GPU or a vGPU and graphic output is wanted, one
has to either physically connect a monitor to the card, or configure a remote
desktop software (for example, VNC or RDP) inside the guest.
If you want to use the GPU for things like OpenCL or CUDA, this is not an issue,
since the application should be able to choose the hardware without using
it as a display.
If you want to use the GPU as a hardware accelerator, for example, for
programs using OpenCL or CUDA, this is not required.
Host Device Passthrough
~~~~~~~~~~~~~~~~~~~~~~~