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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Delay in skl_disable_plane() causes a system freeze"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104975#c74">Comment # 74</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Delay in skl_disable_plane() causes a system freeze"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104975">bug 104975</a>
from <span class="vcard"><a class="email" href="mailto:azhar.shaikh@intel.com" title="Azhar <azhar.shaikh@intel.com>"> <span class="fn">Azhar</span></a>
</span></b>
<pre>(In reply to Ville Syrjala from <a href="show_bug.cgi?id=104975#c73">comment #73</a>)
<span class="quote">> Pushed a few more things to
> git://github.com/vsyrjala/linux.git double_buffer_ctl_simple_2
>
> cd7a3f1a64c7 ("write wm/buf_cfg regs when writing other plane regs")
> 0374055ebfdd ("clear upper half of ggtt and point all disabled planes there")
> 64bb19816a10 ("fix schedule_timeout vs. spinlock")
> dd26b543fec6 ("disable LP1+ watermarks")
>
> Please test again. If supposedly disabled planes remain on this time we
> should get getting fault errors in dmesg from the irq handler.</span >
After applying above patches I was able to reproduce the issue once, but was
not able to collect the logs.
I have re-started the test again to get the dmesg logs with default log level.</pre>
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