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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW bisected]igt/testdisplay cause Call Trace with HDMI/DP and eDP:WARNING: CPU: 3 PID: 3307 at drivers/gpu/drm/i915/intel_display.c:6894 hsw_enable_pc8+0x251/0x63f [i915]()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76876#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW bisected]igt/testdisplay cause Call Trace with HDMI/DP and eDP:WARNING: CPU: 3 PID: 3307 at drivers/gpu/drm/i915/intel_display.c:6894 hsw_enable_pc8+0x251/0x63f [i915]()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76876">bug 76876</a>
from <span class="vcard"><a class="email" href="mailto:lei.a.liu@intel.com" title="liulei <lei.a.liu@intel.com>"> <span class="fn">liulei</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=76876#c5">comment #5</a>)
<span class="quote">> Hi</span >
Can you please apply "[PATCH 1/6] drm/i915: don't schedule
<span class="quote">> force_wake_timer at gen6_read" from the mailing list and test the tree
> again? It fixes the problem on my machine.</span >
Here's the link to the patch:
<span class="quote">> <a href="http://patchwork.freedesktop.org/patch/21687/">http://patchwork.freedesktop.org/patch/21687/</a></span >
If that fixes your problem,
<span class="quote">> we can mark this bug as a duplicate of #76544.</span >
Thanks,
Paulo
Hi
The patch works. And it has been added to drm-intel-next-queued branch.</pre>
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