Few tests - dmesg-warn/ dmesg-fail - *ERROR* CPU pipe [ABCD] FIFO underrun: transcoder
Err
Starting subtest: draw-method-rgb565-mmap-cpu-ytiled
(kms_draw_crc:1089) igt_debugfs-WARNING: Warning on condition crc->crc[i] == 0xffffffff in function crc_sanity_checks, file ../lib/igt_debugfs.c:922
(kms_draw_crc:1089) igt_debugfs-WARNING: Suspicious CRC: it looks like the CRC read back was from a register in a powered down well
(kms_draw_crc:1089) igt_debugfs-WARNING: Warning on condition crc->crc[i] == 0xffffffff in function crc_sanity_checks, file ../lib/igt_debugfs.c:922
(kms_draw_crc:1089) igt_debugfs-WARNING: Suspicious CRC: it looks like the CRC read back was from a register in a powered down well
Subtest draw-method-rgb565-mmap-cpu-ytiled: SUCCESS (0.330s)
Dmesg
Scroll to first warning
<6> [116.204508] Console: switching to colour dummy device 80x25
<6> [116.204545] [IGT] kms_draw_crc: executing
<6> [116.207912] [IGT] kms_draw_crc: starting subtest draw-method-rgb565-mmap-cpu-ytiled
<7> [116.208017] [drm:drm_mode_addfb2] [FB:219]
<7> [116.208089] [drm:drm_mode_addfb2] [FB:219]
<7> [116.229279] [drm:drm_mode_setcrtc] [CRTC:80:pipe A]
<7> [116.229304] [drm:drm_mode_setcrtc] [CONNECTOR:185:eDP-1]
<7> [116.229372] i915 0000:00:02.0: [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> [116.229442] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:31:plane 1A] lines 1, 4, 4, 4, 5, 10, 15, 17, 0, 1, 0 -> 1, 4, 4, 4, 5, 10, 15, 17, 0, 1, 0
<7> [116.229486] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:31:plane 1A] blocks 15, 125, 125, 125, 156, 311, 466, 528, 29, 11, 25 -> 9, 65, 65, 65, 81, 161, 241, 273, 23, 7, 21
<7> [116.229529] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:31:plane 1A] min_ddb 18, 139, 139, 139, 173, 344, 514, 582, 30, 14, 26 -> 11, 73, 73, 73, 91, 179, 267, 302, 24, 9, 22
<7> [116.229572] i915 0000:00:02.0: [drm:intel_bw_atomic_check [i915]] pipe A data rate 1077200 num active planes 1
<7> [116.229670] i915 0000:00:02.0: [drm:intel_bw_atomic_check [i915]] QGV point 0: max bw 20000 required 1078
<7> [116.229740] i915 0000:00:02.0: [drm:intel_bw_atomic_check [i915]] QGV point 1: max bw 20000 required 1078
<7> [116.229817] i915 0000:00:02.0: [drm:intel_bw_atomic_check [i915]] QGV point 2: max bw 20000 required 1078
<7> [116.254817] i915 0000:00:02.0: [drm:i915_fifo_underrun_reset_write [i915]] Re-arming FIFO underruns on pipe A
<3> [116.255002] i915 0000:00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun: transcoder,
<7> [116.255068] i915 0000:00:02.0: [drm:intel_fbc_underrun_work_fn [i915]] Disabling FBC due to FIFO underrun.
<7> [116.255089] i915 0000:00:02.0: [drm:intel_atomic_check [i915]] [CONNECTOR:185:eDP-1] Limiting display bpp to 30 instead of EDID bpp 30, requested bpp 36, max platform bpp 36
<7> [116.255265] i915 0000:00:02.0: [drm:intel_dp_compute_config [i915]] DP link computation with max lane count 4 max rate 540000 max bpp 30 pixel clock 538600KHz
<7> [116.255431] i915 0000:00:02.0: [drm:intel_dp_compute_config [i915]] Force DSC en = 0
<7> [116.255619] i915 0000:00:02.0: [drm:intel_dp_compute_config [i915]] DP lane count 4 clock 540000 bpp 30
<7> [116.255783] i915 0000:00:02.0: [drm:intel_dp_compute_config [i915]] DP link rate required 2019750 available 2160000
<7> [116.255939] i915 0000:00:02.0: [drm:intel_psr_compute_config [i915]] PSR2 is defeatured for this platform
<7> [116.256093] i915 0000:00:02.0: [drm:intel_atomic_check [i915]] hw max bpp: 30, pipe bpp: 30, dithering: 0
<7> [116.256251] i915 0000:00:02.0: [drm:intel_ddi_compute_config_late [i915]] [ENCODER:184:DDI A/PHY A] [CRTC:80:pipe A]
<7> [116.256462] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] [CRTC:80:pipe A] enable: yes [fastset]
<7> [116.256646] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] active: yes, output_types: EDP (0x100), output format: RGB
<7> [116.256801] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] cpu_transcoder: A, pipe bpp: 30, dithering: 0
<7> [116.256954] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] MST master transcoder: <invalid>
<7> [116.257111] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] port sync: master transcoder: <invalid>, slave transcoder bitmask = 0x0
<7> [116.257269] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] bigjoiner: no
<7> [116.257419] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] splitter: disabled, link count 0, overlap 0
<7> [116.257576] i915 0000:00:02.0: [drm:intel_dump_m_n_config.isra.67 [i915]] dp m_n: lanes: 4; gmch_m: 7843931, gmch_n: 8388608, link_m: 1045857, link_n: 1048576, tu: 64
<7> [116.257750] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] audio: 0, infoframes: 0, infoframes enabled: 0x4
<7> [116.257901] i915 0000:00:02.0: DP SDP: VSC, revision 0, length 0
<7> [116.257905] i915 0000:00:02.0: pixelformat: RGB
<7> [116.257908] i915 0000:00:02.0: colorimetry: sRGB
<7> [116.257910] i915 0000:00:02.0: bpc: 0
<7> [116.257913] i915 0000:00:02.0: dynamic range: VESA range
<7> [116.257915] i915 0000:00:02.0: content type: Not defined
<7> [116.257918] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] vrr: no, vmin: 0, vmax: 0, pipeline full: 0, guardband: 0 flipline: 0, vmin vblank: -1, vmax vblank: -2
<7> [116.258069] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] requested mode:
<7> [116.258217] [drm:drm_mode_debug_printmodeline] Modeline "3840x2160": 60 538600 3840 3888 3920 4000 2160 2163 2168 2244 0x48 0xa
<7> [116.258224] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] adjusted mode:
<7> [116.258352] [drm:drm_mode_debug_printmodeline] Modeline "3840x2160": 60 538600 3840 3888 3920 4000 2160 2163 2168 2244 0x48 0xa
<7> [116.258357] i915 0000:00:02.0: [drm:intel_dump_crtc_timings [i915]] crtc timings: 538600 3840 3888 3920 4000 2160 2163 2168 2244, type: 0x48 flags: 0xa
<7> [116.258486] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] pipe mode:
<7> [116.258623] [drm:drm_mode_debug_printmodeline] Modeline "3840x2160": 60 538600 3840 3888 3920 4000 2160 2163 2168 2244 0x40 0xa
<7> [116.258628] i915 0000:00:02.0: [drm:intel_dump_crtc_timings [i915]] crtc timings: 538600 3840 3888 3920 4000 2160 2163 2168 2244, type: 0x40 flags: 0xa
<7> [116.258753] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] port clock: 540000, pipe src size: 3840x2160, pixel rate 538600
<7> [116.258879] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] linetime: 60, ips linetime: 0
<7> [116.259008] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
<7> [116.259137] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] pch pfit: 0x0+0+0, disabled, force thru: no
<7> [116.259264] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
<7> [116.259391] i915 0000:00:02.0: [drm:icl_dump_hw_state [i915]] dpll_hw_state: cfgcr0: 0x1000151, cfgcr1: 0x48, mg_refclkin_ctl: 0x0, hg_clktop2_coreclkctl1: 0x0, mg_clktop2_hsclkctl: 0x0, mg_pll_div0: 0x0, mg_pll_div2: 0x0, mg_pll_lf: 0x0, mg_pll_frac_lock: 0x0, mg_pll_ssc: 0x0, mg_pll_bias: 0x0, mg_pll_tdc_coldst_bias: 0x0
<7> [116.259524] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] csc_mode: 0x0 gamma_mode: 0x0 gamma_enable: 0 csc_enable: 0
<7> [116.259667] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] degamma lut: 0 entries, gamma lut: 0 entries
<7> [116.259797] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] [PLANE:31:plane 1A] fb: [FB:219] 3840x2160 format = RG16 little-endian (0x36314752) modifier = 0x0, visible: yes
<7> [116.259925] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] rotation: 0x1, scaler: -1
<7> [116.260051] i915 0000:00:02.0: [drm:intel_dump_pipe_config [i915]] src: 3840.000000x2160.000000+0.000000+0.000000 dst: 3840x2160+0+0
<7> [116.271093] i915 0000:00:02.0: [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe AEdited by SAI NANDAN