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            <b><a class="bz_bug_link 
          bz_status_REOPENED "
   title="REOPENED - [SNB] gpu hangs"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=101269#c23">Comment # 23</a>
              on <a class="bz_bug_link 
          bz_status_REOPENED "
   title="REOPENED - [SNB] gpu hangs"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=101269">bug 101269</a>
              from <span class="vcard"><a class="email" href="mailto:sur3@gmx.de" title="Simon <sur3@gmx.de>"> <span class="fn">Simon</span></a>
</span></b>
        <pre>I uncommented the if in intel_atomic_wait_for_vblanks, for the function to
always return instead of waiting, that seems to fix my problem with no negative
side effect: 

static void intel_atomic_wait_for_vblanks(struct drm_device *dev,
                                          struct drm_i915_private *dev_priv,
                                          unsigned crtc_mask)
{
        unsigned last_vblank_count[I915_MAX_PIPES];
        enum pipe pipe;
        int ret;

        //if (!crtc_mask)
                return;

       //...
}</pre>
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