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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 - On IceLake machine GPU can't enter DC6"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111047">111047</a>
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<th>Summary</th>
<td>On IceLake machine GPU can't enter DC6
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>unspecified
</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
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>acelan@gmail.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>Created <span class=""><a href="attachment.cgi?id=144690" name="attach_144690" title="kern.log with drm.debug=0x1e">attachment 144690</a> <a href="attachment.cgi?id=144690&action=edit" title="kern.log with drm.debug=0x1e">[details]</a></span>
kern.log with drm.debug=0x1e
We're working on IceLake platforms, but GPU can't enter DC6.
The DC5 count is increasing while the screen dim.
$ sudo cat /sys/kernel/debug/dri/0/i915_dmc_info
fw loaded: yes
path: i915/icl_dmc_ver1_07.bin
version: 1.7
DC3 -> DC5 count: 30
DC5 -> DC6 count: 0
program base: 0x0b004040
ssp base: 0x00006fc0
htp: 0x00a40088</pre>
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