[Bug 80355] DP MST problems with xrandr while re-docking

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80355

--- Comment #20 from Chris Wilson <chris at chris-wilson.co.uk> ---
Hmm, sna_mode_discover() claims to remove the devices it just added, but
doesn't. That is very fishy! I've pushed a little more debug, and would
appreciate another debug=full log file. Thanks.


commit 5c8829b30ad3acd2e59dac9ffa2aba8aadcada61
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Tue Jun 24 11:35:23 2014 +0100

    sna: Add some more DBG around connector discovery

    References: https://bugs.freedesktop.org/show_bug.cgi?id=80355
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

commit 271ed88e517745505c133bd68c40a8566ec8a625
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Tue Jun 24 11:24:26 2014 +0100

    sna: Ensure serial is not 0 for runtime MST discovery

    We reserve serial==0 for the initial setup that is run before RandR is
    configured. After the server is running, we have to take extra steps to
    make the outputs visible to userspace.

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

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