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igt@kms_pipe_crc_basic@compare-crc-sanitycheck-xr24@pipe-c-dp-1 - dmesg-warn - *ERROR* CPU pipe * FIFO underrun

https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_142119v7/fi-kbl-7567u/igt@kms_pipe_crc_basic@compare-crc-sanitycheck-xr24@pipe-c-dp-1.html

<7> [156.606855] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] [CRTC:97:pipe C] enable: no [modeset]
<7> [156.607855] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] [PLANE:76:plane 1C] fb: [NOFB], visible: no
<7> [156.608915] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] [PLANE:84:plane 2C] fb: [NOFB], visible: no
<7> [156.609814] i915 0000:00:02.0: [drm:intel_crtc_state_dump [i915]] [PLANE:92:cursor C] fb: [NOFB], visible: no
<7> [156.611414] i915 0000:00:02.0: [drm:intel_audio_codec_disable [i915]] [CONNECTOR:99:DP-1][ENCODER:98:DDI B/PHY B] Disable audio codec on [CRTC:97:pipe C]
<7> [156.633739] i915 0000:00:02.0: [drm:i915_audio_component_get_eld [i915]] Not valid for port B
<3> [156.634539] i915 0000:00:02.0: [drm] *ERROR* CPU pipe C FIFO underrun
<7> [156.635144] i915 0000:00:02.0: [drm:intel_disable_transcoder [i915]] disabling pipe C
<7> [156.651831] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DDI_IO_B
<7> [156.652714] i915 0000:00:02.0: [drm:intel_disable_shared_dpll [i915]] disable DPLL 1 (active 0x4, on? 1) for [CRTC:97:pipe C]
<7> [156.653653] i915 0000:00:02.0: [drm:intel_disable_shared_dpll [i915]] disabling DPLL 1
<7> [156.654939] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:98:DDI B/PHY B]
<7> [156.656231] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:100:DP-MST A]
<7> [156.657403] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:101:DP-MST B]
<7> [156.658341] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:102:DP-MST C]
<7> [156.659379] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:111:DDI C/PHY C]
<7> [156.660587] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:113:DP-MST A]
<7> [156.661796] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:114:DP-MST B]
<7> [156.662958] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:115:DP-MST C]
<7> [156.663857] i915 0000:00:02.0: [drm:verify_connector_state [i915]] [CONNECTOR:99:DP-1]
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