igt@i915_selftest@live@gt_pm - i915/intel_gt_pm_live_selftests: live_rps_control failed with error -19

https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5654/shard-skl5/igt@i915_selftest@live@gt_pm.html

https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5654/fi-kbl-soraka/igt@i915_selftest@live@gt_pm.html

<6> [611.877628] i915: Running gt_pm
<6> [611.877783] i915: Running intel_gt_pm_live_selftests/live_rc6_manual
<6> [612.248429] GPU consumed 236400uW in RC0 and 0uW in RC6

<6> [612.248709] i915: Running intel_gt_pm_live_selftests/live_rps_clock_interval
<6> [612.263675] rcs0: rps counted 750 C0 cycles [1000000ns] in 999653ns [750 cycles], using GT clock frequency of 12000KHz

<6> [612.280727] i915: Running intel_gt_pm_live_selftests/live_rps_control
<6> [612.386580] rcs0: range:[12:300MHz, 36:900MHz] limit:[12:300MHz], 12:12 response 9834ns:10907ns
<3> [612.386596] rcs0: GPU throttled to minimum!
<6> [612.389036] P_STATE_LIMITS[138148]: 0x000000ff

<3> [612.397582] i915/intel_gt_pm_live_selftests: live_rps_control failed with error -19