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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Weird resolution"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107465">107465</a>
</td>
</tr>
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<th>Summary</th>
<td>Weird resolution
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg git
</td>
</tr>
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<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>DRM/AMDgpu
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>germano.massullo@gmail.com
</td>
</tr></table>
<p>
<div>
<pre>Videocard: RX480
OS: Fedora 28 KDE
Kernel 4.17.9-200.fc28.x86_64
Sometimes when I poweroff the screen, then after some time I turn on it again,
the system cannot recognize native screen resolution, and sets it to a weird
one. In Plasma system settings, the monitor name is unknown and the native
resolution is missing (1600x1050), other resolutions are available instead..
After playing with some resolutions, suddendly the screen name (ViewSonic etc.)
returns back.
MrCooper user in #radeon Freenode chat, suggested me to start the system with
amdgpu.dc=0 flag. 24 hours of testing seems to confirm that such flag fixes the
problem.
I attach dmesg and xorg.0.log of system experiencing the problem</pre>
</div>
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