Few testcases - dmesg-warn - *ERROR* GT0: GT clock frequency changed, was .*, now .*

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13588/re-mtlp-6/igt@core_hotunplug@unbind-rebind.html#dmesg-warnings348

<7> [95.479717] i915 0000:00:02.0: [drm:drm_dp_mst_put_port_malloc [drm_display_helper]] port ffff888118b5c000 (0)
<7> [95.479739] i915 0000:00:02.0: [drm:drm_dp_mst_put_mstb_malloc [drm_display_helper]] mstb ffff8881265e3390 (0)
<7> [95.483258] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling AUX_B
<3> [95.506160] i915 0000:00:02.0: [drm] *ERROR* GT0: GT clock frequency changed, was 19200000Hz, now 12000000Hz!
<3> [95.507036] i915 0000:00:02.0: [drm] *ERROR* GT0: GT clock frequency changed, was 19200000Hz, now 12000000Hz!
<7> [95.627671] i915 0000:00:02.0: [drm:intel_uncore_fini_mmio [i915]] Triggering Driver-FLR
<7> [95.636668] [IGT] core_hotunplug: rebinding the driver to the device
<6> [95.637155] i915 0000:00:02.0: Force probing unsupported Device ID 7d55, tainting kernel
<7> [95.639403] i915 0000:00:02.0: [drm:intel_gt_common_init_early [i915]] WOPCM: 2048K
<7> [95.639715] i915 0000:00:02.0: [drm:intel_uc_init_early [i915]] GT0: enable_guc=3 (guc:yes submission:yes huc:no slpc:yes)
<6> [95.640050] i915 0000:00:02.0: [drm] GT0: Incompatible option enable_guc=3 - HuC is not supported!