[Bug 77768] resume from S3 slightly broken since kernel 3.10

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77768

Daniel Vetter <daniel at ffwll.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #9 from Daniel Vetter <daniel at ffwll.ch> ---
(In reply to comment #8)
> That patch masks the bug. But it still is a _kernel_ bug and not a bug of
> the xorg driver code. Wouldn't it be a better idea to fix the root cause?
> 
> I wonder if only my special hardware is affected. I assume that this is not
> the case ...

This really is a userspace bug imo - if we declare this a kernel bug we _must_
force a full detect cycle after suspend before userspace wakes up, which: a)
isn't how this stuff is supposed to work really b) pessimizes everyone else for
the sake of a few funky setups.

I know that upstream linux kernel has a hard "no regressions" rule, but
occasionally we need to bend this a bit.

Closing this since Chris patched the ddx, thanks a lot for your bug report.

commit aec3cbb1aba8bae5537534754ea57d21896d591b                                 
Author: Chris Wilson <chris at chris-wilson.co.uk>                                 
Date:   Wed Apr 23 09:17:22 2014 +0100                                          

    sna: Reuse any output not explicitly disconnected

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