[Bug 85974] system hangs on xv ports exceeded

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85974

--- Comment #5 from Chris Wilson <chris at chris-wilson.co.uk> ---
Tricky, I can't just pick num_outputs * 3 as we may be in a headless
environment. Oh well, there is no reason not to bump the value for modern
systems:

commit ab6680375cc6d5efebe8e40816d1906b15678d6e
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Fri Nov 7 09:54:35 2014 +0000

    sna/xv: Give the illusion of hardware progress

    The number of ports we provide for Xv textured video is arbitrary. The
    main cost is reservation of a number of XIDs and preallocation of a
    block of memory. Whatever value we pick, someone will always want
    more...

    References: https://bugs.freedesktop.org/show_bug.cgi?id=85974
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

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