igt@kms_pm_dc@dc6-.* - fail - Test assertion failure function test_pkgc_state_.*, Failed assertion: cur_value > prev_value, PKGC10 is not achieved

http://gfx-ci.igk.intel.com/cibuglog-ng/testresult/1734520189?query_key=3e182da160f05e1493ff99b9a5008a0b27246e4a

Starting subtest: dc6-dpms
(kms_pm_dc:1612) CRITICAL: Test assertion failure function test_pkgc_state_dpms, file ../../../usr/src/igt-gpu-tools/tests/intel/kms_pm_dc.c:595:
(kms_pm_dc:1612) CRITICAL: Failed assertion: cur_value > prev_value
(kms_pm_dc:1612) CRITICAL: PKGC10 is not achieved.
Subtest dc6-dpms failed.