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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - On IceLake machine GPU can't enter DC6"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111047#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - On IceLake machine GPU can't enter DC6"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111047">bug 111047</a>
from <span class="vcard"><a class="email" href="mailto:cooper.chiou@intel.com" title="Cooper Chiou <cooper.chiou@intel.com>"> <span class="fn">Cooper Chiou</span></a>
</span></b>
<pre>From drm log, I can see DC6 is enabled.
Jul 3 16:01:45 u-xxxx kernel: [ 17.967382] [drm:edp_panel_vdd_off_sync
[i915]] Turning eDP port A VDD off
Jul 3 16:01:45 u-xxxx kernel: [ 17.967519] [drm:edp_panel_vdd_off_sync
[i915]] PP_STATUS: 0x80000008 PP_CONTROL: 0x00000067
Jul 3 16:01:45 u-xxxx kernel: [ 17.967563] [drm:intel_power_well_disable
[i915]] disabling DC off
Jul 3 16:01:45 u-xxxx kernel: [ 17.967610] [drm:skl_enable_dc6 [i915]]
Enabling DC6
Jul 3 16:01:45 u-xxxx kernel: [ 17.967650] [drm:gen9_set_dc_state [i915]]
Setting DC state from 00 to 02</pre>
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