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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 - commit "Disable CRTCs when disabling the outputs" makes my 3rd screen flicker"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91227">91227</a>
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<th>Summary</th>
<td>commit "Disable CRTCs when disabling the outputs" makes my 3rd screen flicker
</td>
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<th>Product</th>
<td>xorg
</td>
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<th>Version</th>
<td>git
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
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<th>OS</th>
<td>Linux (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
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<th>Component</th>
<td>Driver/Radeon
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<th>Assignee</th>
<td>xorg-driver-ati@lists.x.org
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<th>Reporter</th>
<td>fredrik@obra.se
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<th>QA Contact</th>
<td>xorg-team@lists.x.org
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<div>
<pre>VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde
PRO [Radeon HD 7750 / R7 250E] (prog-if 00 [VGA controller])
Subsystem: PC Partner Limited / Sapphire Technology Cape Verde PRO [Radeon HD
7750/8740 / R7 250E]
--
My 3rd display:
DVI-0 connected 1680x1050+3840+0 (normal left inverted right x axis y axis)
474mm x 296mm
1680x1050 59.88*+
Flickers on and off a couple of times per minute. Nothing in dmesg but I see
this in xorg.log:
[ 487.411] (WW) RADEON(0): flip queue failed in radeon_scanout_flip: Device
or resource busy
[ 487.427] (WW) RADEON(0): flip queue failed in radeon_scanout_flip: Device
or resource busy
[ 517.461] (WW) RADEON(0): flip queue failed in radeon_scanout_flip: Device
or resource busy
[ 517.477] (WW) RADEON(0): flip queue failed in radeon_scanout_flip: Device
or resource busy
Reverting
<a href="http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/?id=ddaba449e8d6fe9fc0d97085e4045843fd8d7af9">http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/?id=ddaba449e8d6fe9fc0d97085e4045843fd8d7af9</a>
solves my issues.</pre>
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