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On Mon, Apr 22, 2024 at 01:23:11PM -0000, qubist wrote:
> Thanks for explaining.
> 
> If only one of the displays is currently in use (and the whole desktop
> fits in it), does it make sense to reduce the the allocated video RAM
> to its requirements only (the qvm feature value)?
> 
> I am asking because this can be done through a simple script in dom0,
> triggered by a shortcut key (e.g. one switches from display1 to
> display2, or to dual screen and back).

If you don't set the value at all, VM will allocate based on currently
connected displays. But changing the value requires restarting relevant
VMs, so if you care about connecting external display without restarting
all VMs, then no, you cannot lower it. But if you don't care about the
need to restart, then you may not need to set the value manually at all.

- -- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
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