[soraka] igt@i915_selftest@live@gt_pm - dmesg-fail - rcs0: did not conserve power when setting lower frequency!, i915/intel_gt_pm_live_selftests: live_rps_power failed with error -22

http://gfx-ci.fi.intel.com/tree/drm-tip/Patchwork_17354/fi-kbl-soraka/igt@i915_selftest@live@gt_pm.html#dmesg-warnings169

Running at 12 [300MHz], not target 36 [900MHz]
rcs0: min:419mW @ 300MHz, max:416mW @ 900MHz
rcs0: did not conserve power when setting lower frequency!