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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 - Power management problem on CIK/SI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100949">100949</a>
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<th>Summary</th>
<td>Power management problem on CIK/SI
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>DRI git
</td>
</tr>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>major
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/AMDgpu
</td>
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>luya@fedoraproject.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=131232" name="attach_131232" title="dmesg boot from X550Z">attachment 131232</a> <a href="attachment.cgi?id=131232&action=edit" title="dmesg boot from X550Z">[details]</a></span>
dmesg boot from X550Z
Recent kernel broke the handling of power management for CIK/SI hybrid laptop
using the latest 4.9.25-20170502 from
<a href="https://cgit.freedesktop.org/~agd5f/linux/?h=amd-staging-4.9">https://cgit.freedesktop.org/~agd5f/linux/?h=amd-staging-4.9</a>
Notable highlight:
[ 25.671428] kfd kfd: Allocated 3944480 bytes on gart for device(1002:130d)
[ 25.671449] kfd kfd: error getting iommu info. is the iommu enabled?
[ 25.671493] kfd kfd: Error initializing iommuv2 for device (1002:130d)
[ 25.671558] Creating topology SYSFS entries
[ 25.671642] kfd kfd: device (1002:130d) NOT added due to errors
[ 695.257618] [drm:amdgpu_atombios_dp_link_train [amdgpu]] *ERROR* displayport
link status failed
[ 695.257654] [drm:amdgpu_atombios_dp_link_train [amdgpu]] *ERROR* clock
recovery failed
For a while, suspend/resume will lock up in back screen forcing a hard reset.
Laptop is Asus X500ZE equipped with Kaveri and Hainan dual GPU.</pre>
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