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<body><span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span> changed
<a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED FIXED - [HSW Bisected]igt/kms_plane causes "WARNING: CPU: 3 PID: 4404 at drivers/gpu/drm/i915/intel_display.c:888 display_crc_ctl_write+0x563/0x75d [i915]()""
href="https://bugs.freedesktop.org/show_bug.cgi?id=79612">bug 79612</a>
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<table border="1" cellspacing="0" cellpadding="8">
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>RESOLVED
</td>
<td>VERIFIED
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<b><a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED FIXED - [HSW Bisected]igt/kms_plane causes "WARNING: CPU: 3 PID: 4404 at drivers/gpu/drm/i915/intel_display.c:888 display_crc_ctl_write+0x563/0x75d [i915]()""
href="https://bugs.freedesktop.org/show_bug.cgi?id=79612#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED FIXED - [HSW Bisected]igt/kms_plane causes "WARNING: CPU: 3 PID: 4404 at drivers/gpu/drm/i915/intel_display.c:888 display_crc_ctl_write+0x563/0x75d [i915]()""
href="https://bugs.freedesktop.org/show_bug.cgi?id=79612">bug 79612</a>
from <span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=79612#c9">comment #9</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=79612#c8">comment #8</a>)
> > This bug still able to reproduce on latest
> > -fixes(84b4e042c4707bd1bf05094a51111403d680dc39)
>
> I presume this was just because the fix was committed to
> drm-intel-next-queued, and at the time fixes didn't have the commit yet.
> This is upstream now, please reopen if the problem persists.
>
> commit a33d7105c4e905c895c41d8caf6bd8f85b2e3ce7
> Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
> Date: Fri Jun 6 08:22:08 2014 +0200
>
> drm/i915: Only wait one vblank when disabling crc if the pipe is on</span >
The warning unable to reproduce on latest
-nightly(99f444f7f8308ca93d56a3802a3e1a8abcad7f57), but the test failed. I will
report a new bug for this failure.
[root@x-hsw24 tests]# ./kms_plane --run-subtest
plane-position-covered-pipe-B-plane-1
IGT-Version: 1.8-gd9d3f4b (x86_64) (Linux:
3.17.0-rc4_drm-intel-nightly_99f444_20140910+ x86_64)
Testing connector VGA-1 using pipe B plane 1
Test assertion failure function test_plane_position_with_output, file
kms_plane.c:197:
Failed assertion: igt_crc_equal(&test.reference_crc, &crc)
Subtest plane-position-covered-pipe-B-plane-1: FAIL (0.294s)
[root@x-hsw24 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
[root@x-hsw24 tests]#</pre>
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