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List:       qubes-devel
Subject:    [qubes-devel] Video acceleration idea
From:       "Taiidan () gmx ! com" <Taiidan () gmx ! com>
Date:       2018-04-01 15:58:30
Message-ID: 2466eec4-b0a8-f6c1-f7f3-7b2716f00c65 () gmx ! com
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Enabling and using the integrated video as internal VM acceleration
(presented via the usual VNC window) from a laptop that has a dual video
setup whilst using the screen output of the dGPU for the main screen.
I believe this might work as long as you aren't try to use both video
outputs at once simply the acceleration capabilities of the integrated
device.

As the integrated graphics have no onboard firmware this seems like a
secure method of having video acceleration in a single VM, yes?

Another choice is having users set the write-lock bit on their video
cards flash memory to prevent internal flashing for firmware updates
thus preventing a malicious update.

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