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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [regression] display corruption since bb0f4aab0e7677e9"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101679">101679</a>
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<th>Summary</th>
<td>[regression] display corruption since bb0f4aab0e7677e9
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>DRI git
</td>
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>tjaalton@ubuntu.com
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>We've bisected an issue with kernels since
commit bb0f4aab0e7677e91cde443fecc18e71fbb85038
Author: Ville Syrjälä <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
Date: Fri Jan 20 20:21:59 2017 +0200
drm/i915: Track full cdclk state for the logical and actual cdclk
frequencies
Attaching a 4k monitor via a TB dock to a certain KBL machine results in
display corruption similar to this:
<a href="https://photos.google.com/share/AF1QipNgcr1DzxLQE40mUrNj_vbZUz_hfcsrsRONqHt-t01tjWsDDQzPfcigCN0BC5lkpg?key=YjRfZk03cFBDeUtYakRFdFVaRGdGLUQzcHhxNjZB">https://photos.google.com/share/AF1QipNgcr1DzxLQE40mUrNj_vbZUz_hfcsrsRONqHt-t01tjWsDDQzPfcigCN0BC5lkpg?key=YjRfZk03cFBDeUtYakRFdFVaRGdGLUQzcHhxNjZB</a></pre>
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</p>
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