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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 - AMDGPU/DC: Internal display corrupted when mirroring on external monitor on HDMI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104319">104319</a>
</td>
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<th>Summary</th>
<td>AMDGPU/DC: Internal display corrupted when mirroring on external monitor on HDMI
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>XOrg git
</td>
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>All
</td>
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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/AMDgpu
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>carlo@caione.org
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=136245" name="attach_136245" title="dc-mirroring-journal">attachment 136245</a> <a href="attachment.cgi?id=136245&action=edit" title="dc-mirroring-journal">[details]</a></span>
dc-mirroring-journal
Same machine as on the <a class="bz_bug_link
bz_status_NEW "
title="NEW - black / corrupted screen when resuming from S3 [AMDGPU]"
href="show_bug.cgi?id=104281">https://bugs.freedesktop.org/show_bug.cgi?id=104281</a> but
reproduced on multiple ACER laptops.
Using the latest Linus master compiled with CONFIG_DRM_AMD_DC_PRE_VEGA=y we
have that sometimes the image on the internal panel gets corrupted when
mirroring on an external HDMI display (see [0]).
We have verified that this is a regression introduced by the DC code. In
attachment the journal output.
[0] <a href="https://imgur.com/a/rnItJ">https://imgur.com/a/rnItJ</a></pre>
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</p>
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