[Feature request] Multiple X servers on one graphics card?

Chi-Thanh Christopher Nguyen chithanh at gentoo.org
Tue Aug 2 16:31:56 PDT 2011

Alex Deucher <alexdeucher <at> gmail.com> writes:

> Some drivers can already do this (the radeon driver at least).  google
> for zaphod mode.  You basically start one instance of the driver for
> each display controller and then assign which randr outputs are used
> by each instance of the driver.  It already works and supports
> acceleration.  The problem is, each instance shows up as an X protocol
> screen rather than a separate X server so, you'd have to fix the input
> side.

I think with MPX and pointer barriers some parts are already in place to do
multiseat with zaphod. Though I don't know how well MPX and pointer barriers
work together. Applications grabbing input might cause issues too.

Best regards,
Chí-Thanh Christopher Nguyễn

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