drm/i915: Make WAIT_IOCTL negative timeouts be indefinite again
This fixes a regression from commit 5ed0bdf2 Author: Thomas Gleixner <tglx@linutronix.de> Date: Wed Jul 16 21:05:06 2014 +0000 drm: i915: Use nsec based interfaces that made a negative timeout return immediately rather than the previously defined behaviour of waiting indefinitely. Testcase: igt/gem_wait Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89494Signed-off-by:Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Ben Widawsky <benjamin.widawsky@intel.com> Cc: Kristian Høgsberg <krh@bitplanet.net> Cc: stable@vger.kernel.org Reviewed-by:
Daniel Vetter <daniel.vetter@ffwll.ch> [Jani: fixed a checkpatch complaint about whitespace.] Signed-off-by:
Jani Nikula <jani.nikula@intel.com>
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