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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 - [BYT] The screen can not display stable when run testdisplay for second time"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89770">89770</a>
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<th>Summary</th>
<td>[BYT] The screen can not display stable when run testdisplay for second time
</td>
</tr>
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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>Linux (All)
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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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
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>bin.a.xu@intel.com
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=114630" name="attach_114630" title="dmesg">attachment 114630</a> <a href="attachment.cgi?id=114630&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: No. I can not find a proper commit.
Non-working platforms: Baytrail.
==kernel==
--------------------------
-nightly: 877605d94cb0260cb05a110b8a1ec3871a8477ea (fails)
drm-intel-nightly: 2015y-03m-24d-09h-19m-43s UTC integration manifest
-queued: 096fad9ebfadb4922332f98895ea948e8d7fe6a7 (fails)
drm/i915: move clearing of RPS interrupt bits from disable to reset time
-fixes: bc465aa9d045feb0e13b4a8f32cc33c1943f62d6 (fails)
Linux 4.0-rc5
==Bug detailed description==
Run the command "testdisplay" for second time,the screen can not display
normally on below resolution.
1920x1080i 50 1920 2448 2492 2640 1080 1084 1094 1125 0x15 0x40 74250
1920x1080i 60 1920 2008 2052 2200 1080 1084 1094 1125 0x15 0x40 74176
==Reproduce steps==
1 set monitor to above resolution(./testdisplay -o HDMIconnectorId,modes)
screen shows the normally pic.
3 set monitor to above resolution,again(./testdisplay -o HDMIconnectorId,modes)
screen shows the wrong pic.</pre>
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