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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Skylake GPU HANG while gstreamer H264 vaapi encoding from MJPEG vaapi decode on drm-tip"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110394#c20">Comment # 20</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Skylake GPU HANG while gstreamer H264 vaapi encoding from MJPEG vaapi decode on drm-tip"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110394">bug 110394</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>So to test the earlier observation that it is rc6-related,
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 8e826a6ab62e..acce2574228b 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -8671,7 +8671,7 @@ static void intel_enable_rc6(struct drm_i915_private
*dev_priv)
else if (INTEL_GEN(dev_priv) >= 11)
gen11_enable_rc6(dev_priv);
else if (INTEL_GEN(dev_priv) >= 9)
- gen9_enable_rc6(dev_priv);
+ gen9_disable_rc6(dev_priv);
else if (IS_BROADWELL(dev_priv))
gen8_enable_rc6(dev_priv);
else if (INTEL_GEN(dev_priv) >= 6)</pre>
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