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<body><span class="vcard"><a class="email" href="mailto:imre.deak@intel.com" title="Imre Deak <imre.deak@intel.com>"> <span class="fn">Imre Deak</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - two external screens permanently go blank on HP EliteBook Folio G1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108462">bug 108462</a>
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<td>imre.deak@intel.com
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - two external screens permanently go blank on HP EliteBook Folio G1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108462#c14">Comment # 14</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - two external screens permanently go blank on HP EliteBook Folio G1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108462">bug 108462</a>
from <span class="vcard"><a class="email" href="mailto:imre.deak@intel.com" title="Imre Deak <imre.deak@intel.com>"> <span class="fn">Imre Deak</span></a>
</span></b>
<pre>Not sure what Kconfig option would affect this issue.
As another approach to narrow down the problem, could you try - right after
triggering the problem - disabling the low-power fifo mode and see if the
problem is still reproducible? Please also provide the output for the script:
# cd /sys/kernel/debug/dri/0
# for plane in pri cur spr; do
<span class="quote">> cat i915_${plane}_wm_latency
> wm0=$(head -1 i915_${plane}_wm_latency|cut -d' ' -f2)
> echo $wm0 1000 1000 1000 1000 > i915_${plane}_wm_latency
> done</span ></pre>
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