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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>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [IVB]igt/kms_flip failed to set mode on [CRTC:7], err = -22 with VGA/DP"
href="https://bugs.freedesktop.org/show_bug.cgi?id=66111">66111</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[IVB]igt/kms_flip failed to set mode on [CRTC:7], err = -22 with VGA/DP
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=81305" name="attach_81305" title="dmesg">attachment 81305</a> <a href="attachment.cgi?id=81305&action=edit" title="dmesg">[details]</a></span>
dmesg
System Environment:
--------------------------
Arch: x86_64
Platform: Ivybridge
Kernel: (drm-intel-fixes) 19b2dbde5732170a03bd82cc8bd442cf88d856f7
Bug detailed description:
-----------------------------
When run kms_flip subcase with VGA/DP, failed to set mode.
It happens on ivybridge with drm-intel-fixes kernel, works well on
drm-intel-next-queued kernel.
It also works well with HDMI.
I test it on igt commit：43a086269795c5b41bdab0dc2c456be0de97e762， It also has
this issue.
Test it on drm-intel-fixes kernel
commit:8abbbaf6adb46157b6bd416f7616b555cc6a332f, It also happens.
output：
Using monotonic timestamps
running testcase: absolute-wf_vblank
Beginning absolute-wf_vblank on crtc 3, connector 9
2048x1152 60 2048 2184 2400 2752 1152 1155 1160 1195 0x6 0x48 197000
.............................................................
absolute-wf_vblank on crtc 3, connector 9: PASSED
Beginning absolute-wf_vblank on crtc 5, connector 9
2048x1152 60 2048 2184 2400 2752 1152 1155 1160 1195 0x6 0x48 197000
.............................................................
absolute-wf_vblank on crtc 5, connector 9: PASSED
Beginning absolute-wf_vblank on crtc 7, connector 9
2048x1152 60 2048 2184 2400 2752 1152 1155 1160 1195 0x6 0x48 197000
failed to set mode (2048x1152@60Hz): Invalid argument
Reproduce steps:
----------------------------
1. ./kms_flip --run-subtest absolute-wf_vblank</pre>
</div>
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