[Bug 93258] [SKL] WARN_ON(ret < 0) drivers/gpu/drm/i915/intel_display.c:13696 intel_prepare_plane_fb

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93258

Joseph Yasi <joe.yasi at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|NOTOURBUG                   |---

--- Comment #6 from Joseph Yasi <joe.yasi at gmail.com> ---
(In reply to Maarten Lankhorst from comment #5)
> Created attachment 120411 [details]
> widen ret to long
> 
> Just in case it is our bug, can you try this and see if you get an error
> other than -1?

That fixed it. I don't get a warning anymore. Reading through the
fence_default_wait, it can return the timeout back and MAX_SCHEDULE_TIMEOUT is
LONG_MAX so it overflowed the int to -1.

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