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<body><span class="vcard"><a class="email" href="mailto:don.hiatt@intel.com" title="Don Hiatt <don.hiatt@intel.com>"> <span class="fn">Don Hiatt</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][SHARDS]igt@i915_pm_dc@dc6-dpms - skip - Test requirement: igt_pm_pc8_plus_residencies_enabled(data.msr_fd), PC8+ residencies not supported, SKIP"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111865">bug 111865</a>
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<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Severity</td>
<td>not set
</td>
<td>major
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][SHARDS]igt@i915_pm_dc@dc6-dpms - skip - Test requirement: igt_pm_pc8_plus_residencies_enabled(data.msr_fd), PC8+ residencies not supported, SKIP"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111865#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][SHARDS]igt@i915_pm_dc@dc6-dpms - skip - Test requirement: igt_pm_pc8_plus_residencies_enabled(data.msr_fd), PC8+ residencies not supported, SKIP"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111865">bug 111865</a>
from <span class="vcard"><a class="email" href="mailto:don.hiatt@intel.com" title="Don Hiatt <don.hiatt@intel.com>"> <span class="fn">Don Hiatt</span></a>
</span></b>
<pre>The BIOS has PC8+ disabled (see below).
Is TGL expected to support PC8+? If so, then this is of MAJOR importance as the
power savings will not be as good as expected and this bug should be assigned
to the BIOS team to enable it.
If, however, TGL does not support PC8+ then IGT should me modified to not
complain and this is of NORMAL importance.
Per process, setting to the higher of the two importance levels, e.g. MAJOR.
lib/igt_pm.c:
/**
* igt_pm_pc8_plus_residencies_enabled:
* @msr_fd: fd to /dev/cpu/0/msr
* Check whether BIOS has disabled the PC8 package deeper state.
*
* Returns:
* True if PC8+ package deeper state enabled on machine otherwise false.
*/
bool igt_pm_pc8_plus_residencies_enabled(int msr_fd)</pre>
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