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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - KDE Konsole very slow scrolling with TearFree and QT graphics system native"
href="https://bugs.freedesktop.org/show_bug.cgi?id=77436#c161">Comment # 161</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - KDE Konsole very slow scrolling with TearFree and QT graphics system native"
href="https://bugs.freedesktop.org/show_bug.cgi?id=77436">bug 77436</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>Drat, no debugfs hack, so do you mind compiling a kernel with
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index d23d114832fa..db61a1bd9b06 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3707,6 +3707,7 @@ static void __gen6_update_ring_freq(struct drm_device
*dev)
else
ia_freq = max_ia_freq - ((diff *
scaling_factor) / 2);
ia_freq = DIV_ROUND_CLOSEST(ia_freq, 100);
+ ia_freq = max_ia_freq;
}
sandybridge_pcode_write(dev_priv,
applied?</pre>
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