Few tests - incomplete/timeout - xhci_hcd .* WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state.

https://intel-gfx-ci.01.org/tree/drm-tip/IGT_6485/shard-skl3/igt@kms_flip@wf_vblank-ts-check@a-edp1.html

<6> [886.776175] usb 2-2: USB disconnect, device number 52
<4> [886.783149] xhci_hcd 0000:00:14.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state.
<6> [887.032695] Console: switching to colour dummy device 80x25
<6> [887.071563] [IGT] kms_flip: executing
<6> [887.150732] usb 2-2: new SuperSpeed USB device number 53 using xhci_hcd
<6> [887.177938] usb 2-2: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=30.00
<6> [887.177992] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=6
<7> [887.178282] [drm:drm_helper_probe_single_connector_modes [drm_kms_helper]] [CONNECTOR:95:eDP-1]
<7> [887.178436] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:95:eDP-1]
<6> [887.180980] usb 2-2: Product: USB 10/100/1000 LAN
<7> [887.181683] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [ENCODER:94:DDI A/PHY A] MST support: port: no, sink: no, modparam: yes
<6> [887.182362] usb 2-2: Manufacturer: Realtek
<6> [887.182396] usb 2-2: SerialNumber: 000001
<7> [887.183481] i915 0000:00:02.0: [drm:intel_dp_print_rates [i915]] source rates: 162000, 216000, 270000, 324000, 432000, 540000
<7> [887.184814] i915 0000:00:02.0: [drm:intel_dp_print_rates [i915]] sink rates: 162000, 270000
<7> [887.186241] i915 0000:00:02.0: [drm:intel_dp_print_rates [i915]] common rates: 162000, 270000
<7> [887.187721] i915 0000:00:02.0: [drm:intel_dp_set_edid [i915]] [CONNECTOR:95:eDP-1] VRR capable: no
<7> [887.189179] i915 0000:00:02.0: [drm:intel_dp_set_edid [i915]] [CONNECTOR:95:eDP-1] DFP max bpc 0, max dotclock 0, TMDS clock 0-0, PCON Max FRL BW 0Gbps
<7> [887.194906] i915 0000:00:02.0: [drm:intel_dp_set_edid [i915]] PCON ENCODER DSC DPCD: 00 00 00 00 00 00 00 00 00 00 00 00 00
<7> [887.196347] i915 0000:00:02.0: [drm:intel_dp_set_edid [i915]] [CONNECTOR:95:eDP-1] RGB->YcbCr conversion? no, YCbCr 4:2:0 allowed? no, YCbCr 4:4:4->4:2:0 conversion? no
<7> [887.200328] [drm:update_display_info] Supported Monitor Refresh rate range is 0 Hz - 0 Hz
<7> [887.200557] [drm:update_display_info] Supported Monitor Refresh rate range is 0 Hz - 0 Hz