X-Git-Url: https://git.proxmox.com/?p=pve-docs.git;a=blobdiff_plain;f=qm-pci-passthrough.adoc;h=ebb64222068bd08d36c5722d60762f48a1bc08e3;hp=7e00e2e531529b1572b380e8b2d83de02c57b7dd;hb=5ee3d3cdea5670e4c37a0e1bc660398226baa8db;hpb=1c1241f2621620b27c8cd65e86ba010377c260b4 diff --git a/qm-pci-passthrough.adoc b/qm-pci-passthrough.adoc index 7e00e2e..ebb6422 100644 --- a/qm-pci-passthrough.adoc +++ b/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 ~~~~~~~~~~~~~~~~~~~~~~~ @@ -192,7 +190,7 @@ configuration, for example by executing: # qm set VMID -hostpci0 00:02.0 ---- -If your device has multiple functions (e.g., ``00:02.0`' and ``00:02.1`'), +If your device has multiple functions (e.g., ``00:02.0`' and ``00:02.1`' ), you can pass them through all together with the shortened syntax ``00:02`' There are some options to which may be necessary, depending on the device