<html>
    <head>
      <base href="https://bugs.freedesktop.org/">
    </head>
    <body>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Lag on terminal with compositing after 1f6dfc9"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=97299#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Lag on terminal with compositing after 1f6dfc9"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=97299">bug 97299</a>
              from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
        <pre>To isolate the changes:

diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c
index 05007bc..4726067 100644
--- a/src/sna/sna_accel.c
+++ b/src/sna/sna_accel.c
@@ -17385,7 +17385,7 @@ sna_flush_callback(CallbackListPtr *list, pointer
user_data, pointer call_data)
 {
        struct sna *sna = user_data;

-       if (!sna->needs_dri_flush)
+       if (!sna->needs_dri_flush && 0)
                return;

        sna_accel_flush(sna);

should be equivalent to reverting the dri portion. That's worth double checking
to see if the dri or shm halves.</pre>
        </div>
      </p>


      <hr>
      <span>You are receiving this mail because:</span>

      <ul>
          <li>You are the QA Contact for the bug.</li>
      </ul>
    </body>
</html>