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            <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#c12">Comment # 12</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 dies on this write:

diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 347146f1ce7d..ffa61d585cec 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3337,7 +3337,7 @@ static void i9xx_update_primary_plane(struct intel_plane
*primary,
                I915_WRITE_FW(PRIMCNSTALPHA(plane), 0);
        }

-       I915_WRITE_FW(reg, dspcntr);
+       //I915_WRITE_FW(reg, dspcntr);

        I915_WRITE_FW(DSPSTRIDE(plane), fb->pitches[0]);
        if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {</pre>
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