igt@i915_selftest@live@memory_region - incomplete - Timed out waiting for gsc_proxy_completion

http://gfx-ci.igk.intel.com/cibuglog-ng/testresult/1693957148?query_key=42da5e49c89e3e1d0f31ad2fbd631753dc706512

<7> [1057.035930] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<7> [1057.036353] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [1057.036855] i915 0000:00:02.0: [drm:intel_get_hpd_pins [i915]] hotplug event received, stat 0x00010000, dig 0x0000000a, pins 0x00000010, long 0x00000010
<7> [1057.037227] i915 0000:00:02.0: [drm:intel_hpd_irq_handler [i915]] digital hpd on [ENCODER:235:DDI A/PHY A] - long
<7> [1057.037586] i915 0000:00:02.0: [drm:intel_hpd_irq_handler [i915]] Received HPD interrupt on PIN 4 - cnt: 10
<7> [1057.038314] i915 0000:00:02.0: [drm:intel_dp_hpd_pulse [i915]] ignoring long hpd on eDP [ENCODER:235:DDI A/PHY A]
<4> [1062.939205] i915Timed out waiting for gsc_proxy_completion!
<6> [1062.939216] i915: Performing live selftests with st_random_seed=0x9f7f0db9 st_timeout=500
<6> [1062.939222] i915: Running memory_region
<6> [1062.939225] device lacks LMEM support, skipping
<7> [1062.939257] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling always-on
<7> [1062.939676] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling DC_off
<7> [1062.940294] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 02 to 00
<7> [1062.940874] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling PW_2
<7> [1062.941300] i915 0000:00:02.0: [drm:intel_power_well_enable [i915]] enabling PW_A