[Bug 78283] [BDW Regression]igt/gem_cpu_reloc stops at 1% and Call Trace in dmesg

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78283

Chris Wilson <chris at chris-wilson.co.uk> changed:

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

--- Comment #3 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit 6e450ab24dc645d776e65bbb91fc5f6788087c32
Author: Mika Kuoppala <mika.kuoppala at linux.intel.com>
Date:   Thu May 15 20:58:07 2014 +0300

    drm/i915: Bail out early on gen6_signal if no semaphores

    If we dont have semaphores enabled, we allocate 4
    dwords for signalling. But end up emitting more regardless.

    Fix this by bailing out early if semaphores are not enabled.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78274
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78283
    Signed-off-by: Mika Kuoppala <mika.kuoppala at intel.com>
    Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

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