[Bug 91153] [ivb] bright pixels appear when mousing over LibreOffice Impress

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91153

--- Comment #20 from Joe Peterson <joe at wildlava.com> ---
(In reply to Chris Wilson from comment #19)
> (In reply to Joe Peterson from comment #17)
> > Hi, so that's the change in libdrm, but when in xf86-video-intel did the
> > code start to use the new libdrm abi?
> 
> The point is the existent ABI changed. We thought we were being smart by
> zero extending the field and believed it wouldn't break. But then we started
> passing in nearby stack because the ioctl was passing in more data than the
> old struct.
> 
> 
> (In reply to Joe Peterson from comment #18)
> > Is it this one:?
> > 
> >     7fe2b29 sna: Protect against ABI breakage in recent versions of libdrm
> 
> Yes.

OK, cool. So do you expect that if I apply the patch (git diff
bacaf7f..7fe2b29) to earlier versions of xf86-video-intel that it will work
with new abi? I can try, but if hopeless, I'd rather know now. :)

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