igt@kms_big_fb@x-tiled-32bpp-rotate-180 - dmesg-warn - *ERROR* CPU pipe [ABCD] FIFO underrun: transcoder,

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_11038/shard-dg1-16/igt@kms_big_fb@x-tiled-32bpp-rotate-180.html#dmesg-warnings300

<7> [775.364681] i915 0000:03:00.0: [drm:intel_fbc_update [i915]] Enabling FBC on [PLANE:31:plane 1A]
<7> [775.450598] i915 0000:03:00.0: [drm:i915_fifo_underrun_reset_write [i915]] Re-arming FIFO underruns on pipe A
<3> [775.466818] i915 0000:03:00.0: [drm] *ERROR* CPU pipe A FIFO underrun: transcoder,
<7> [775.466897] i915 0000:03:00.0: [drm:intel_fbc_underrun_work_fn [i915]] Disabling FBC due to FIFO underrun.
<7> [775.483511] i915 0000:03:00.0: [drm:__intel_fbc_disable [i915]] Disabling FBC on [PLANE:31:plane 1A]
<7> [775.667088] i915 0000:03:00.0: [drm:i915_fifo_underrun_reset_write [i915]] Re-arming FIFO underruns on pipe A
<7> [775.667289] i915 0000:03:00.0: [drm:intel_fbc_reset_underrun [i915]] Re-allowing FBC after fifo underrun
<7> [775.809592] i915 0000:03:00.0: [drm:intel_fbc_update [i915]] reserved 17694720 bytes of contiguous stolen space for FBC, limit: 1
<7> [775.809697] i915 0000:03:00.0: [drm:intel_fbc_update [i915]] Enabling FBC on [PLANE:31:plane 1A]
<7> [775.883923] i915 0000:03:00.0: [drm:drm_mode_rmfb_work_fn] Removing [FB:354] from all active usage due to RMFB ioctl
<7> [775.883991] i915 0000:03:00.0: [drm:atomic_remove_fb] Disabling [PLANE:31:plane 1A] because [FB:354] is removed
<7> [775.884044] i915 0000:03:00.0: [drm:skl_compute_wm [i915]] [PLANE:31:plane 1A] ddb (   0 - 2012) -> (   0 -    0), size 2012 ->    0
<7> [775.884153] i915 0000:03:00.0: [drm:skl_compute_wm [i915]] [PLANE:31:plane 1A]   level *wm0,*wm1,*wm2,*wm3,*wm4,*wm5,*wm6,*wm7,*twm,*swm,*stwm ->  wm0, wm1, wm2, wm3, wm4, wm5, wm6, wm7, twm, swm, stwm
<7> [775.884244] i915 0000:03:00.0: [drm:skl_compute_wm [i915]] [PLANE:31:plane 1A]   lines    1,   5,   5,   5,   8,   8,   9,  10,   0,   1,    0 ->    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,    0
<7> [775.884336] i915 0000:03:00.0: [drm:skl_compute_wm [i915]] [PLANE:31:plane 1A]  blocks    6,  81,  81,  81, 129, 129, 145, 161,  20,   6,   20 ->    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,    0
<7> [775.884427] i915 0000:03:00.0: [drm:skl_compute_wm [i915]] [PLANE:31:plane 1A] min_ddb    8,  91,  91,  91, 143, 143, 161, 179,  21,   8,   21 ->    0,   0,   0,   0,   0,   0,   0,   0,   0,   0,    0
<7> [775.884518] i915 0000:03:00.0: [drm:intel_bw_atomic_check [i915]] pipe A data rate 0 num active planes 0
<7> [775.884658] i915 0000:03:00.0: [drm:intel_bw_atomic_check [i915]] QGV point 0: max bw 34000 required 0
<7> [775.899970] i915 0000:03:00.0: [drm:__intel_fbc_disable [i915]] Disabling FBC on [PLANE:31:plane 1A]
<6> [775.917258] [IGT] kms_big_fb: exiting, ret=0