<html>
    <head>
      <base href="https://bugs.freedesktop.org/">
    </head>
    <body>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [BAT][GDG] igt@drv_hangman@error-state-basic incomplete in CI"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=101852#c6">Comment # 6</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [BAT][GDG] igt@drv_hangman@error-state-basic incomplete in CI"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=101852">bug 101852</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>It boils down to the machine hang occuring during the drm_atomic_commit() of
the saved state.

diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_d
index fbb8574..49a98b6 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3129,7 +3129,8 @@ __intel_display_resume(struct drm_device *dev,
        /* ignore any reset values/BIOS leftovers in the WM registers */
        to_intel_atomic_state(state)->skip_intermediate_wm = true;

-       ret = drm_atomic_commit(state);
+       ret = 0;
+       //ret = drm_atomic_commit(state);

        WARN_ON(ret == -EDEADLK);
        return ret;</pre>
        </div>
      </p>


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

      <ul>
          <li>You are the assignee for the bug.</li>
          <li>You are the QA Contact for the bug.</li>
          <li>You are on the CC list for the bug.</li>
      </ul>
    </body>
</html>