Attachment 122948 Details for Bug 94935 – Dmesg log

Dmesg log

gem_fence_thrash_dmesg.log (text/plain), 250.81 KB, created by Elio on 2016-04-14 19:04:54 UTC

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Creator: Elio

Created: 2016-04-14 19:04:54 UTC

Size: 250.81 KB

patch

obsolete

>[  445.127786] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:29] scaler_user index 1.4
>[  445.127787] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:34] scaler_user index 2.8
>[  445.127788] [drm:bxt_get_dpll] CRTC:26 using pre-allocated PORT PLL A
>[  445.127788] [drm:intel_reference_shared_dpll] using PORT PLL A for pipe A
>[  445.127789] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:26] scaler_user index 0.31
>[  445.127789] [drm:bxt_get_dpll] CRTC:31 using pre-allocated PORT PLL B
>[  445.127790] [drm:intel_reference_shared_dpll] using PORT PLL B for pipe B
>[  445.127790] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:31] scaler_user index 1.31
>[  445.127791] [drm:bxt_get_dpll] CRTC:36 using pre-allocated PORT PLL C
>[  445.127791] [drm:intel_reference_shared_dpll] using PORT PLL C for pipe C
>[  445.127791] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:36] scaler_user index 2.31
>[  445.132997] [drm:intel_update_cdclk] Current CD clock rate: 384000 kHz
>[  445.132998] [drm:verify_encoder_state] [ENCODER:38:TMDS-38]
>[  445.132999] [drm:verify_encoder_state] [ENCODER:46:TMDS-46]
>[  445.133000] [drm:verify_encoder_state] [ENCODER:48:DP MST-48]
>[  445.133000] [drm:verify_encoder_state] [ENCODER:49:DP MST-49]
>[  445.133001] [drm:verify_encoder_state] [ENCODER:50:DP MST-50]
>[  445.133001] [drm:verify_encoder_state] [ENCODER:53:TMDS-53]
>[  445.133002] [drm:verify_encoder_state] [ENCODER:55:DP MST-55]
>[  445.133002] [drm:verify_encoder_state] [ENCODER:56:DP MST-56]
>[  445.133002] [drm:verify_encoder_state] [ENCODER:57:DP MST-57]
>[  445.133003] [drm:intel_connector_verify_state] [CONNECTOR:51:HDMI-A-1]
>[  445.133004] [drm:intel_connector_verify_state] [CONNECTOR:58:HDMI-A-2]
>[  445.133005] [drm:verify_single_dpll_state] PORT PLL A
>[  445.133006] [drm:verify_single_dpll_state] PORT PLL B
>[  445.133006] [drm:verify_single_dpll_state] PORT PLL C
>[  445.133008] [drm:intel_enable_shared_dpll] enable PORT PLL A (active 1, on? 0) for crtc 26
>[  445.133008] [drm:intel_enable_shared_dpll] enabling PORT PLL A
>[  445.133028] [drm:edp_panel_on] Turn eDP port A panel power on
>[  445.133029] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  445.133031] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control 00000060
>[  445.133031] [drm:wait_panel_status] Wait complete
>[  445.133032] [drm:wait_panel_on] Wait for panel power on
>[  445.133033] [drm:wait_panel_status] mask b000000f value 80000008 status 0000000a control 00000063
>[  445.159165] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  445.159170] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  445.159177] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 0
>[  445.159187] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  445.184781] [drm:wait_panel_status] Wait complete
>[  445.184785] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[  445.184786] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0x0000006b
>[  445.185501] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  445.185501] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  445.185723] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  445.186243] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  445.186281] [drm:skylake_pfit_enable] for crtc_state = ffff880274f85800
>[  445.186322] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[  445.186324] [drm:intel_enable_pipe] enabling pipe A
>[  445.186330] [drm:intel_edp_backlight_on] 
>[  445.186331] [drm:intel_panel_enable_backlight] pipe A
>[  445.186332] [drm:intel_panel_actually_set_backlight] set backlight PWM = 4800
>[  445.187494] [drm:intel_psr_enable] PSR not supported on this platform
>[  445.187496] [drm:intel_edp_drrs_enable] Panel doesn't support DRRS
>[  445.187511] [drm:intel_enable_shared_dpll] enable PORT PLL B (active 2, on? 0) for crtc 31
>[  445.187512] [drm:intel_enable_shared_dpll] enabling PORT PLL B
>[  445.188393] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  445.188394] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  445.189373] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  445.192565] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  445.192608] [drm:skylake_pfit_enable] for crtc_state = ffff880274f87000
>[  445.192647] ------------[ cut here ]------------
>[  445.192662] WARNING: CPU: 0 PID: 2176 at /home/shared/kernels/drm-intel-nightly/drivers/gpu/drm/i915/intel_pm.c:3647 skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  445.192663] WARN_ON(!wm_changed)
>[  445.192663] Modules linked in:
>[  445.192664]  binfmt_misc arc4 bnep iwlmvm mac80211 x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel asix usbnet kvm mii irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep nls_iso8859_1 snd_pcm aesni_intel snd_seq_midi aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_seq_midi_event snd_rawmidi serio_raw btusb btrtl snd_seq btbcm btintel bluetooth snd_seq_device snd_timer iwlwifi mei_me snd cfg80211 shpchp mei soundcore rfkill_gpio intel_pmc_ipc tpm_crb mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid mmc_block i915 drm_kms_helper psmouse igb dca sdhci_pci sdhci syscopyarea sysfillrect sysimgblt fb_sys_fops xhci_pci xhci_hcd ptp pps_core i2c_algo_bit drm ahci libahci
>[  445.192688]  i2c_hid hid video
>[  445.192690] CPU: 0 PID: 2176 Comm: gem_fence_thras Tainted: G     U  W       4.6.0-rc3-nightly+ #1
>[  445.192691] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0131.B10.1603280005 03/28/2016
>[  445.192691]  0000000000000000 ffff8802711cf970 ffffffff813b287c ffff8802711cf9c0
>[  445.192693]  0000000000000000 ffff8802711cf9b0 ffffffff81079cc1 00000e3f00000000
>[  445.192694]  ffff880270cf4000 ffff880270cf5000 0000000000000004 ffff880270d193a8
>[  445.192696] Call Trace:
>[  445.192698]  [<ffffffff813b287c>] dump_stack+0x63/0x87
>[  445.192700]  [<ffffffff81079cc1>] __warn+0xd1/0xf0
>[  445.192701]  [<ffffffff81079d2f>] warn_slowpath_fmt+0x4f/0x60
>[  445.192713]  [<ffffffffa01e7ea2>] skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  445.192724]  [<ffffffffa01e804a>] skl_update_wm+0x19a/0x6f0 [i915]
>[  445.192738]  [<ffffffffa02744d0>] ? intel_ddi_enable_transcoder_func+0x170/0x240 [i915]
>[  445.192749]  [<ffffffffa01e95ee>] intel_update_watermarks+0x1e/0x30 [i915]
>[  445.192763]  [<ffffffffa025686d>] haswell_crtc_enable+0x45d/0x900 [i915]
>[  445.192776]  [<ffffffffa024263e>] ? intel_finish_crtc_commit+0xe/0x10 [i915]
>[  445.192781]  [<ffffffffa01bbc99>] ? drm_atomic_helper_commit_planes_on_crtc+0x169/0x230 [drm_kms_helper]
>[  445.192794]  [<ffffffffa0251655>] intel_atomic_commit+0x1335/0x1fa0 [i915]
>[  445.192797]  [<ffffffff8179809a>] ? __ww_mutex_lock_slowpath+0x16e/0x184
>[  445.192798]  [<ffffffff811d9277>] ? kmem_cache_alloc_trace+0x187/0x210
>[  445.192808]  [<ffffffffa0078427>] ? drm_atomic_set_crtc_for_connector+0x57/0xe0 [drm]
>[  445.192817]  [<ffffffffa0079097>] drm_atomic_commit+0x37/0x60 [drm]
>[  445.192821]  [<ffffffffa01bcf0d>] restore_fbdev_mode+0x22d/0x260 [drm_kms_helper]
>[  445.192829]  [<ffffffffa0077e67>] ? drm_modeset_lock_all_ctx+0x97/0xb0 [drm]
>[  445.192833]  [<ffffffffa01befc3>] drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper]
>[  445.192846]  [<ffffffffa026e1d2>] intel_fbdev_restore_mode+0x22/0x80 [i915]
>[  445.192860]  [<ffffffffa029737e>] i915_driver_lastclose+0xe/0x20 [i915]
>[  445.192867]  [<ffffffffa005cd7e>] drm_lastclose+0x2e/0x130 [drm]
>[  445.192873]  [<ffffffffa005d16c>] drm_release+0x2ec/0x4c0 [drm]
>[  445.192875]  [<ffffffff811fe417>] __fput+0xe7/0x220
>[  445.192876]  [<ffffffff811fe58e>] ____fput+0xe/0x10
>[  445.192878]  [<ffffffff81097327>] task_work_run+0x77/0x90
>[  445.192879]  [<ffffffff81074d42>] exit_to_usermode_loop+0x73/0xa2
>[  445.192880]  [<ffffffff81003b7a>] do_syscall_64+0xfa/0x110
>[  445.192882]  [<ffffffff8179a4e5>] entry_SYSCALL64_slow_path+0x25/0x25
>[  445.192883] ---[ end trace d209a97d99ad4ca5 ]---
>[  445.192887] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[  445.192889] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[  445.192892] [drm:intel_enable_pipe] enabling pipe B
>[  445.192898] [drm:intel_audio_codec_enable] ELD on [CONNECTOR:47:DP-1], [ENCODER:46:TMDS-46]
>[  445.192900] [drm:hsw_audio_codec_enable] Enable audio codec on pipe B, 36 bytes ELD
>[  445.192920] [drm:intel_enable_shared_dpll] enable PORT PLL C (active 4, on? 0) for crtc 36
>[  445.192921] [drm:intel_enable_shared_dpll] enabling PORT PLL C
>[  445.193726] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  445.193727] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  445.193952] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  445.196469] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  445.196514] [drm:skylake_pfit_enable] for crtc_state = ffff880275598000
>[  445.196555] ------------[ cut here ]------------
>[  445.196569] WARNING: CPU: 0 PID: 2176 at /home/shared/kernels/drm-intel-nightly/drivers/gpu/drm/i915/intel_pm.c:3647 skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  445.196570] WARN_ON(!wm_changed)
>[  445.196571] Modules linked in:
>[  445.196572]  binfmt_misc arc4 bnep iwlmvm mac80211 x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel asix usbnet kvm mii irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep nls_iso8859_1 snd_pcm aesni_intel snd_seq_midi aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_seq_midi_event snd_rawmidi serio_raw btusb btrtl snd_seq btbcm btintel bluetooth snd_seq_device snd_timer iwlwifi mei_me snd cfg80211 shpchp mei soundcore rfkill_gpio intel_pmc_ipc tpm_crb mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid mmc_block i915 drm_kms_helper psmouse igb dca sdhci_pci sdhci syscopyarea sysfillrect sysimgblt fb_sys_fops xhci_pci xhci_hcd ptp pps_core i2c_algo_bit drm ahci libahci
>[  445.196595]  i2c_hid hid video
>[  445.196597] CPU: 0 PID: 2176 Comm: gem_fence_thras Tainted: G     U  W       4.6.0-rc3-nightly+ #1
>[  445.196598] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0131.B10.1603280005 03/28/2016
>[  445.196599]  0000000000000000 ffff8802711cf970 ffffffff813b287c ffff8802711cf9c0
>[  445.196600]  0000000000000000 ffff8802711cf9b0 ffffffff81079cc1 00000e3f00000000
>[  445.196602]  ffff880270cf4000 ffff880270cf6000 0000000000000004 ffff880270d193a8
>[  445.196603] Call Trace:
>[  445.196606]  [<ffffffff813b287c>] dump_stack+0x63/0x87
>[  445.196607]  [<ffffffff81079cc1>] __warn+0xd1/0xf0
>[  445.196608]  [<ffffffff81079d2f>] warn_slowpath_fmt+0x4f/0x60
>[  445.196619]  [<ffffffffa01e7ea2>] skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  445.196630]  [<ffffffffa01e804a>] skl_update_wm+0x19a/0x6f0 [i915]
>[  445.196644]  [<ffffffffa02744d0>] ? intel_ddi_enable_transcoder_func+0x170/0x240 [i915]
>[  445.196655]  [<ffffffffa01e95ee>] intel_update_watermarks+0x1e/0x30 [i915]
>[  445.196669]  [<ffffffffa025686d>] haswell_crtc_enable+0x45d/0x900 [i915]
>[  445.196682]  [<ffffffffa024263e>] ? intel_finish_crtc_commit+0xe/0x10 [i915]
>[  445.196687]  [<ffffffffa01bbc99>] ? drm_atomic_helper_commit_planes_on_crtc+0x169/0x230 [drm_kms_helper]
>[  445.196701]  [<ffffffffa0251655>] intel_atomic_commit+0x1335/0x1fa0 [i915]
>[  445.196702]  [<ffffffff8179809a>] ? __ww_mutex_lock_slowpath+0x16e/0x184
>[  445.196704]  [<ffffffff811d9277>] ? kmem_cache_alloc_trace+0x187/0x210
>[  445.196714]  [<ffffffffa0078427>] ? drm_atomic_set_crtc_for_connector+0x57/0xe0 [drm]
>[  445.196722]  [<ffffffffa0079097>] drm_atomic_commit+0x37/0x60 [drm]
>[  445.196726]  [<ffffffffa01bcf0d>] restore_fbdev_mode+0x22d/0x260 [drm_kms_helper]
>[  445.196734]  [<ffffffffa0077e67>] ? drm_modeset_lock_all_ctx+0x97/0xb0 [drm]
>[  445.196738]  [<ffffffffa01befc3>] drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper]
>[  445.196752]  [<ffffffffa026e1d2>] intel_fbdev_restore_mode+0x22/0x80 [i915]
>[  445.196766]  [<ffffffffa029737e>] i915_driver_lastclose+0xe/0x20 [i915]
>[  445.196772]  [<ffffffffa005cd7e>] drm_lastclose+0x2e/0x130 [drm]
>[  445.196779]  [<ffffffffa005d16c>] drm_release+0x2ec/0x4c0 [drm]
>[  445.196780]  [<ffffffff811fe417>] __fput+0xe7/0x220
>[  445.196781]  [<ffffffff811fe58e>] ____fput+0xe/0x10
>[  445.196783]  [<ffffffff81097327>] task_work_run+0x77/0x90
>[  445.196784]  [<ffffffff81074d42>] exit_to_usermode_loop+0x73/0xa2
>[  445.196785]  [<ffffffff81003b7a>] do_syscall_64+0xfa/0x110
>[  445.196787]  [<ffffffff8179a4e5>] entry_SYSCALL64_slow_path+0x25/0x25
>[  445.196788] ---[ end trace d209a97d99ad4ca6 ]---
>[  445.196790] ------------[ cut here ]------------
>[  445.196801] WARNING: CPU: 0 PID: 2176 at /home/shared/kernels/drm-intel-nightly/drivers/gpu/drm/i915/intel_pm.c:3647 skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  445.196801] WARN_ON(!wm_changed)
>[  445.196802] Modules linked in:
>[  445.196802]  binfmt_misc arc4 bnep iwlmvm mac80211 x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel asix usbnet kvm mii irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep nls_iso8859_1 snd_pcm aesni_intel snd_seq_midi aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_seq_midi_event snd_rawmidi serio_raw btusb btrtl snd_seq btbcm btintel bluetooth snd_seq_device snd_timer iwlwifi mei_me snd cfg80211 shpchp mei soundcore rfkill_gpio intel_pmc_ipc tpm_crb mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid mmc_block i915 drm_kms_helper psmouse igb dca sdhci_pci sdhci syscopyarea sysfillrect sysimgblt fb_sys_fops xhci_pci xhci_hcd ptp pps_core i2c_algo_bit drm ahci libahci
>[  445.196819]  i2c_hid hid video
>[  445.196820] CPU: 0 PID: 2176 Comm: gem_fence_thras Tainted: G     U  W       4.6.0-rc3-nightly+ #1
>[  445.196821] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0131.B10.1603280005 03/28/2016
>[  445.196821]  0000000000000000 ffff8802711cf970 ffffffff813b287c ffff8802711cf9c0
>[  445.196823]  0000000000000000 ffff8802711cf9b0 ffffffff81079cc1 00000e3f00000000
>[  445.196824]  ffff880270cf5000 ffff880270cf6000 0000000000000004 ffff880270d193a8
>[  445.196825] Call Trace:
>[  445.196827]  [<ffffffff813b287c>] dump_stack+0x63/0x87
>[  445.196828]  [<ffffffff81079cc1>] __warn+0xd1/0xf0
>[  445.196829]  [<ffffffff81079d2f>] warn_slowpath_fmt+0x4f/0x60
>[  445.196839]  [<ffffffffa01e0000>] ? gt_act_freq_mhz_show+0xf0/0x100 [i915]
>[  445.196850]  [<ffffffffa01e7ea2>] skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  445.196861]  [<ffffffffa01e804a>] skl_update_wm+0x19a/0x6f0 [i915]
>[  445.196875]  [<ffffffffa02744d0>] ? intel_ddi_enable_transcoder_func+0x170/0x240 [i915]
>[  445.196886]  [<ffffffffa01e95ee>] intel_update_watermarks+0x1e/0x30 [i915]
>[  445.196900]  [<ffffffffa025686d>] haswell_crtc_enable+0x45d/0x900 [i915]
>[  445.196914]  [<ffffffffa024263e>] ? intel_finish_crtc_commit+0xe/0x10 [i915]
>[  445.196918]  [<ffffffffa01bbc99>] ? drm_atomic_helper_commit_planes_on_crtc+0x169/0x230 [drm_kms_helper]
>[  445.196932]  [<ffffffffa0251655>] intel_atomic_commit+0x1335/0x1fa0 [i915]
>[  445.196933]  [<ffffffff8179809a>] ? __ww_mutex_lock_slowpath+0x16e/0x184
>[  445.196934]  [<ffffffff811d9277>] ? kmem_cache_alloc_trace+0x187/0x210
>[  445.196943]  [<ffffffffa0078427>] ? drm_atomic_set_crtc_for_connector+0x57/0xe0 [drm]
>[  445.196951]  [<ffffffffa0079097>] drm_atomic_commit+0x37/0x60 [drm]
>[  445.196955]  [<ffffffffa01bcf0d>] restore_fbdev_mode+0x22d/0x260 [drm_kms_helper]
>[  445.196963]  [<ffffffffa0077e67>] ? drm_modeset_lock_all_ctx+0x97/0xb0 [drm]
>[  445.196967]  [<ffffffffa01befc3>] drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper]
>[  445.196980]  [<ffffffffa026e1d2>] intel_fbdev_restore_mode+0x22/0x80 [i915]
>[  445.196995]  [<ffffffffa029737e>] i915_driver_lastclose+0xe/0x20 [i915]
>[  445.197001]  [<ffffffffa005cd7e>] drm_lastclose+0x2e/0x130 [drm]
>[  445.197008]  [<ffffffffa005d16c>] drm_release+0x2ec/0x4c0 [drm]
>[  445.197009]  [<ffffffff811fe417>] __fput+0xe7/0x220
>[  445.197010]  [<ffffffff811fe58e>] ____fput+0xe/0x10
>[  445.197011]  [<ffffffff81097327>] task_work_run+0x77/0x90
>[  445.197012]  [<ffffffff81074d42>] exit_to_usermode_loop+0x73/0xa2
>[  445.197013]  [<ffffffff81003b7a>] do_syscall_64+0xfa/0x110
>[  445.197015]  [<ffffffff8179a4e5>] entry_SYSCALL64_slow_path+0x25/0x25
>[  445.197015] ---[ end trace d209a97d99ad4ca7 ]---
>[  445.197021] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[  445.197022] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[  445.197025] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[  445.197027] [drm:intel_enable_pipe] enabling pipe C
>[  445.201118] [drm:intel_connector_verify_state] [CONNECTOR:39:eDP-1]
>[  445.201123] [drm:verify_crtc_state] [CRTC:26]
>[  445.201134] [drm:verify_single_dpll_state] PORT PLL A
>[  445.201141] [drm:intel_connector_verify_state] [CONNECTOR:47:DP-1]
>[  445.201143] [drm:verify_crtc_state] [CRTC:31]
>[  445.201150] [drm:verify_single_dpll_state] PORT PLL B
>[  445.201156] [drm:intel_connector_verify_state] [CONNECTOR:54:DP-2]
>[  445.201157] [drm:verify_crtc_state] [CRTC:36]
>[  445.201164] [drm:verify_single_dpll_state] PORT PLL C
>[  445.482951] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000010, dig 0x18001819, pins 0x00000020
>[  445.482961] [drm:intel_hpd_irq_handler] digital hpd port B - short
>[  445.483097] [drm:intel_dp_hpd_pulse] got hpd irq on port B - short
>[  445.483206] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  445.483385] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  445.483464] [drm:i915_hotplug_work_func] running encoder hotplug functions
>[  445.483466] [drm:i915_hotplug_work_func] Connector DP-1 (pin 5) received hotplug event.
>[  445.483467] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  445.483569] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  445.483646] [drm:intel_hpd_irq_event] [CONNECTOR:47:DP-1] status updated from connected to disconnected
>[  445.483647] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 5) received hotplug event.
>[  445.483648] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  445.483698] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  445.483699] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  445.483748] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  445.483750] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  445.483763] [drm:drm_fb_helper_hotplug_event] 
>[  445.483764] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1]
>[  445.483765] [drm:intel_dp_detect] [CONNECTOR:39:eDP-1]
>[  445.484610] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000010, dig 0x18001819, pins 0x00000020
>[  445.484612] [drm:intel_hpd_irq_handler] digital hpd port B - short
>[  445.484949] [drm:intel_dp_hpd_pulse] got hpd irq on port B - short
>[  445.485000] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  445.485078] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  445.485168] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  445.485170] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1] probed modes :
>[  445.485172] [drm:drm_mode_debug_printmodeline] Modeline 40:"1920x1080" 60 138120 1920 1968 2018 2052 1080 1084 1086 1122 0x48 0xa
>[  445.485173] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1]
>[  445.485175] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  445.485281] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  445.485460] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  445.485640] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  445.485717] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1] disconnected
>[  445.485721] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1]
>[  445.485722] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  445.485772] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  445.485773] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  445.485821] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  445.485823] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  445.485824] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1] disconnected
>[  445.485825] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2]
>[  445.485826] [drm:intel_dp_detect] [CONNECTOR:54:DP-2]
>[  445.485928] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 01 00 00 01 00 02 02 06 00 00 00 00
>[  445.486001] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink no
>[  445.486003] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  445.486004] [drm:intel_dp_print_rates] sink rates: 162000, 270000
>[  445.486005] [drm:intel_dp_print_rates] common rates: 162000, 270000
>[  445.486094] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  445.486097] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2] probed modes :
>[  445.486099] [drm:drm_mode_debug_printmodeline] Modeline 89:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  445.486100] [drm:drm_mode_debug_printmodeline] Modeline 99:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0xa
>[  445.486101] [drm:drm_mode_debug_printmodeline] Modeline 93:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[  445.486102] [drm:drm_mode_debug_printmodeline] Modeline 97:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  445.486104] [drm:drm_mode_debug_printmodeline] Modeline 91:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  445.486105] [drm:drm_mode_debug_printmodeline] Modeline 92:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[  445.486106] [drm:drm_mode_debug_printmodeline] Modeline 90:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[  445.486108] [drm:drm_mode_debug_printmodeline] Modeline 112:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  445.486109] [drm:drm_mode_debug_printmodeline] Modeline 101:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  445.486110] [drm:drm_mode_debug_printmodeline] Modeline 110:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  445.486111] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2]
>[  445.486112] [drm:intel_hdmi_detect] [CONNECTOR:58:HDMI-A-2]
>[  445.486162] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  445.486163] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first message, retry
>[  445.486211] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  445.486213] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  445.486214] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2] disconnected
>[  445.486216] [drm:drm_setup_crtcs] 
>[  445.486217] [drm:drm_enable_connectors] connector 39 enabled? yes
>[  445.486218] [drm:drm_enable_connectors] connector 47 enabled? no
>[  445.486219] [drm:drm_enable_connectors] connector 51 enabled? no
>[  445.486219] [drm:drm_enable_connectors] connector 54 enabled? yes
>[  445.486220] [drm:drm_enable_connectors] connector 58 enabled? no
>[  445.486221] [drm:intel_fb_initial_config] looking for cmdline mode on connector eDP-1
>[  445.486222] [drm:intel_fb_initial_config] looking for preferred mode on connector eDP-1 0
>[  445.486224] [drm:intel_fb_initial_config] connector eDP-1 on pipe A [CRTC:26]: 1920x1080
>[  445.486224] [drm:intel_fb_initial_config] connector DP-1 not enabled, skipping
>[  445.486225] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[  445.486226] [drm:intel_fb_initial_config] looking for cmdline mode on connector DP-2
>[  445.486227] [drm:intel_fb_initial_config] looking for preferred mode on connector DP-2 0
>[  445.486228] [drm:intel_fb_initial_config] connector DP-2 on pipe C [CRTC:36]: 1920x1200
>[  445.486228] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[  445.486229] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 26 (0,0)
>[  445.486231] [drm:drm_setup_crtcs] desired mode 1920x1200 set on crtc 36 (0,0)
>[  445.486246] [drm:intel_modeset_checks] New cdclk calculated to be atomic 288000, actual 288000
>[  445.486248] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 0.0
>[  445.486249] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:29] scaler_user index 1.4
>[  445.486250] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:34] scaler_user index 2.8
>[  445.486252] [drm:bxt_get_dpll] CRTC:26 using pre-allocated PORT PLL A
>[  445.486253] [drm:intel_reference_shared_dpll] using PORT PLL A for pipe A
>[  445.486254] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:26] scaler_user index 0.31
>[  445.486255] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:31] scaler_user index 1.31
>[  445.486256] [drm:bxt_get_dpll] CRTC:36 using pre-allocated PORT PLL C
>[  445.486256] [drm:intel_reference_shared_dpll] using PORT PLL C for pipe C
>[  445.486257] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:36] scaler_user index 2.31
>[  445.486306] [drm:intel_edp_backlight_off] 
>[  445.543153] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
>[  445.543161] [drm:intel_disable_pipe] disabling pipe A
>[  445.547801] [drm:edp_panel_off] Turn eDP port A panel power off
>[  445.547804] [drm:wait_panel_off] Wait for panel power off time
>[  445.547806] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control 00000060
>[  445.560693] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  445.560695] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  445.560696] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 0
>[  445.560706] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  445.563069] [drm:wait_panel_status] Wait complete
>[  445.563072] [drm:intel_disable_shared_dpll] disable PORT PLL A (active 1, on? 1) for crtc 26
>[  445.563078] [drm:intel_disable_shared_dpll] disabling PORT PLL A
>[  445.565782] [drm:hsw_audio_codec_disable] Disable audio codec on pipe B
>[  445.565791] [drm:intel_disable_pipe] disabling pipe B
>[  445.573967] [drm:intel_disable_shared_dpll] disable PORT PLL B (active 2, on? 1) for crtc 31
>[  445.573971] [drm:intel_disable_shared_dpll] disabling PORT PLL B
>[  445.573976] ------------[ cut here ]------------
>[  445.573990] WARNING: CPU: 0 PID: 2173 at /home/shared/kernels/drm-intel-nightly/drivers/gpu/drm/i915/intel_pm.c:3647 skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  445.573991] WARN_ON(!wm_changed)
>[  445.573992] Modules linked in:
>[  445.573993]  binfmt_misc arc4 bnep iwlmvm mac80211 x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel asix usbnet kvm mii irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep nls_iso8859_1 snd_pcm aesni_intel snd_seq_midi aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_seq_midi_event snd_rawmidi serio_raw btusb btrtl snd_seq btbcm btintel bluetooth snd_seq_device snd_timer iwlwifi mei_me snd cfg80211 shpchp mei soundcore rfkill_gpio intel_pmc_ipc tpm_crb mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid mmc_block i915 drm_kms_helper psmouse igb dca sdhci_pci sdhci syscopyarea sysfillrect sysimgblt fb_sys_fops xhci_pci xhci_hcd ptp pps_core i2c_algo_bit drm ahci libahci
>[  445.574016]  i2c_hid hid video
>[  445.574018] CPU: 0 PID: 2173 Comm: kworker/0:1 Tainted: G     U  W       4.6.0-rc3-nightly+ #1
>[  445.574019] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0131.B10.1603280005 03/28/2016
>[  445.574034] Workqueue: events i915_hotplug_work_func [i915]
>[  445.574035]  0000000000000000 ffff880270dc3970 ffffffff813b287c ffff880270dc39c0
>[  445.574036]  0000000000000000 ffff880270dc39b0 ffffffff81079cc1 00000e3f00000000
>[  445.574037]  ffff880270cf6000 ffff880270cf5000 0000000000000004 ffff880270d193a8
>[  445.574039] Call Trace:
>[  445.574042]  [<ffffffff813b287c>] dump_stack+0x63/0x87
>[  445.574043]  [<ffffffff81079cc1>] __warn+0xd1/0xf0
>[  445.574044]  [<ffffffff81079d2f>] warn_slowpath_fmt+0x4f/0x60
>[  445.574046]  [<ffffffff810d0000>] ? kmsg_dump_get_buffer+0x110/0x280
>[  445.574057]  [<ffffffffa01e7ea2>] skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  445.574068]  [<ffffffffa01e804a>] skl_update_wm+0x19a/0x6f0 [i915]
>[  445.574082]  [<ffffffffa025d8ee>] ? bxt_ddi_pll_disable+0x4e/0x60 [i915]
>[  445.574093]  [<ffffffffa01e95ee>] intel_update_watermarks+0x1e/0x30 [i915]
>[  445.574107]  [<ffffffffa025074c>] intel_atomic_commit+0x42c/0x1fa0 [i915]
>[  445.574109]  [<ffffffff811d9277>] ? kmem_cache_alloc_trace+0x187/0x210
>[  445.574118]  [<ffffffffa0078427>] ? drm_atomic_set_crtc_for_connector+0x57/0xe0 [drm]
>[  445.574127]  [<ffffffffa0079097>] drm_atomic_commit+0x37/0x60 [drm]
>[  445.574131]  [<ffffffffa01bcf0d>] restore_fbdev_mode+0x22d/0x260 [drm_kms_helper]
>[  445.574139]  [<ffffffffa0077e67>] ? drm_modeset_lock_all_ctx+0x97/0xb0 [drm]
>[  445.574143]  [<ffffffffa01befc3>] drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper]
>[  445.574147]  [<ffffffffa01bf03c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[  445.574151]  [<ffffffffa01bef42>] drm_fb_helper_hotplug_event+0xa2/0xf0 [drm_kms_helper]
>[  445.574165]  [<ffffffffa026e19e>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[  445.574168]  [<ffffffffa01b25e7>] drm_kms_helper_hotplug_event+0x27/0x30 [drm_kms_helper]
>[  445.574181]  [<ffffffffa0263c47>] i915_hotplug_work_func+0x207/0x2c0 [i915]
>[  445.574183]  [<ffffffff810a1797>] ? finish_task_switch+0x107/0x2f0
>[  445.574185]  [<ffffffff81092d50>] process_one_work+0x150/0x3f0
>[  445.574186]  [<ffffffff8109350b>] worker_thread+0x12b/0x4b0
>[  445.574187]  [<ffffffff817962d0>] ? __schedule+0x330/0x950
>[  445.574189]  [<ffffffff810933e0>] ? rescuer_thread+0x340/0x340
>[  445.574190]  [<ffffffff81098ca9>] kthread+0xc9/0xe0
>[  445.574191]  [<ffffffff8179a662>] ret_from_fork+0x22/0x40
>[  445.574192]  [<ffffffff81098be0>] ? kthread_park+0x60/0x60
>[  445.574193] ---[ end trace d209a97d99ad4ca8 ]---
>[  445.574197] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[  445.574280] [drm:intel_disable_pipe] disabling pipe C
>[  445.579853] [drm:intel_disable_shared_dpll] disable PORT PLL C (active 4, on? 1) for crtc 36
>[  445.579859] [drm:intel_disable_shared_dpll] disabling PORT PLL C
>[  445.583507] [drm:intel_update_cdclk] Current CD clock rate: 288000 kHz
>[  445.583508] [drm:verify_encoder_state] [ENCODER:38:TMDS-38]
>[  445.583510] [drm:verify_encoder_state] [ENCODER:46:TMDS-46]
>[  445.583511] [drm:verify_encoder_state] [ENCODER:48:DP MST-48]
>[  445.583512] [drm:verify_encoder_state] [ENCODER:49:DP MST-49]
>[  445.583513] [drm:verify_encoder_state] [ENCODER:50:DP MST-50]
>[  445.583513] [drm:verify_encoder_state] [ENCODER:53:TMDS-53]
>[  445.583514] [drm:verify_encoder_state] [ENCODER:55:DP MST-55]
>[  445.583515] [drm:verify_encoder_state] [ENCODER:56:DP MST-56]
>[  445.583515] [drm:verify_encoder_state] [ENCODER:57:DP MST-57]
>[  445.583516] [drm:intel_connector_verify_state] [CONNECTOR:47:DP-1]
>[  445.583517] [drm:intel_connector_verify_state] [CONNECTOR:51:HDMI-A-1]
>[  445.583519] [drm:intel_connector_verify_state] [CONNECTOR:58:HDMI-A-2]
>[  445.583520] [drm:verify_single_dpll_state] PORT PLL A
>[  445.583521] [drm:verify_single_dpll_state] PORT PLL B
>[  445.583521] [drm:verify_single_dpll_state] PORT PLL C
>[  445.583523] [drm:intel_enable_shared_dpll] enable PORT PLL A (active 1, on? 0) for crtc 26
>[  445.583524] [drm:intel_enable_shared_dpll] enabling PORT PLL A
>[  445.583545] [drm:edp_panel_on] Turn eDP port A panel power on
>[  445.583546] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  445.735250] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control 00000060
>[  445.735252] [drm:wait_panel_status] Wait complete
>[  445.735253] [drm:wait_panel_on] Wait for panel power on
>[  445.735254] [drm:wait_panel_status] mask b000000f value 80000008 status 0000000a control 00000063
>[  445.761390] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  445.761400] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  445.761401] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 1
>[  445.761410] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  445.791757] [drm:wait_panel_status] Wait complete
>[  445.791762] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[  445.791763] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0x0000006b
>[  445.792477] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  445.792478] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  445.792699] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  445.793218] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  445.793256] [drm:skylake_pfit_enable] for crtc_state = ffff880274f86000
>[  445.793294] [drm:intel_enable_pipe] enabling pipe A
>[  445.793301] [drm:intel_edp_backlight_on] 
>[  445.793302] [drm:intel_panel_enable_backlight] pipe A
>[  445.793303] [drm:intel_panel_actually_set_backlight] set backlight PWM = 4800
>[  445.794040] [drm:intel_psr_enable] PSR not supported on this platform
>[  445.794041] [drm:intel_edp_drrs_enable] Panel doesn't support DRRS
>[  445.794057] [drm:intel_enable_shared_dpll] enable PORT PLL C (active 4, on? 0) for crtc 36
>[  445.794058] [drm:intel_enable_shared_dpll] enabling PORT PLL C
>[  445.794783] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  445.794784] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  445.795006] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  445.797791] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  445.797831] [drm:skylake_pfit_enable] for crtc_state = ffff880274f81000
>[  445.797870] [drm:intel_enable_pipe] enabling pipe C
>[  445.801978] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
>[  445.802063] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe C FIFO underrun
>[  445.802102] [drm:intel_connector_verify_state] [CONNECTOR:39:eDP-1]
>[  445.802106] [drm:verify_crtc_state] [CRTC:26]
>[  445.802116] [drm:verify_single_dpll_state] PORT PLL A
>[  445.802123] [drm:verify_crtc_state] [CRTC:31]
>[  445.802126] [drm:intel_connector_verify_state] [CONNECTOR:54:DP-2]
>[  445.802128] [drm:verify_crtc_state] [CRTC:36]
>[  445.802135] [drm:verify_single_dpll_state] PORT PLL C
>[  445.802146] [drm:i915_hotplug_work_func] running encoder hotplug functions
>[  445.802147] [drm:i915_hotplug_work_func] Connector DP-1 (pin 5) received hotplug event.
>[  445.802148] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  445.802252] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  445.802327] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 5) received hotplug event.
>[  445.802328] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  445.802367] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  445.802368] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  445.802404] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  445.802406] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  445.977154] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000010, dig 0x18001819, pins 0x00000020
>[  445.977159] [drm:intel_hpd_irq_handler] digital hpd port B - short
>[  445.977176] [drm:intel_dp_hpd_pulse] got hpd irq on port B - short
>[  445.977285] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  445.977510] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  445.977512] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  445.977513] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  445.977514] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  445.977720] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  445.977795] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  445.977797] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  445.977797] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  445.977798] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  445.977977] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  445.978083] [drm:drm_dp_i2c_do_msg] native defer
>[  445.982977] [drm:drm_dp_i2c_do_msg] native defer
>[  445.983827] [drm:drm_dp_i2c_do_msg] native defer
>[  445.984257] [drm:drm_dp_i2c_do_msg] native defer
>[  445.985042] [drm:drm_dp_i2c_do_msg] native defer
>[  445.985809] [drm:drm_dp_i2c_do_msg] native defer
>[  445.986578] [drm:drm_dp_i2c_do_msg] native defer
>[  445.987364] [drm:drm_dp_i2c_do_msg] native defer
>[  445.988146] [drm:drm_dp_i2c_do_msg] native defer
>[  445.988964] [drm:drm_dp_i2c_do_msg] native defer
>[  445.989770] [drm:drm_dp_i2c_do_msg] native defer
>[  445.990402] [drm:drm_dp_i2c_do_msg] native defer
>[  445.991245] [drm:drm_dp_i2c_do_msg] native defer
>[  445.992087] [drm:drm_dp_i2c_do_msg] native defer
>[  445.992906] [drm:drm_dp_i2c_do_msg] native defer
>[  445.993706] [drm:drm_dp_i2c_do_msg] native defer
>[  445.994130] [drm:drm_dp_i2c_do_msg] native defer
>[  445.994939] [drm:drm_dp_i2c_do_msg] native defer
>[  445.995701] [drm:drm_dp_i2c_do_msg] native defer
>[  445.996475] [drm:drm_dp_i2c_do_msg] native defer
>[  445.997446] [drm:drm_dp_i2c_do_msg] native defer
>[  445.997932] [drm:drm_dp_i2c_do_msg] native defer
>[  445.998775] [drm:drm_dp_i2c_do_msg] native defer
>[  445.999576] [drm:drm_dp_i2c_do_msg] native defer
>[  446.000155] [drm:drm_dp_i2c_do_msg] native defer
>[  446.001000] [drm:drm_dp_i2c_do_msg] native defer
>[  446.001842] [drm:drm_dp_i2c_do_msg] native defer
>[  446.002662] [drm:drm_dp_i2c_do_msg] native defer
>[  446.003460] [drm:drm_dp_i2c_do_msg] native defer
>[  446.003840] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[  446.003957] [drm:i915_hotplug_work_func] running encoder hotplug functions
>[  446.003958] [drm:i915_hotplug_work_func] Connector DP-1 (pin 5) received hotplug event.
>[  446.003959] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  446.003960] [drm:intel_hpd_irq_event] [CONNECTOR:47:DP-1] status updated from disconnected to connected
>[  446.003961] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 5) received hotplug event.
>[  446.003962] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  446.004011] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  446.004013] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  446.004061] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  446.004063] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  446.004075] [drm:drm_fb_helper_hotplug_event] 
>[  446.004076] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1]
>[  446.004077] [drm:intel_dp_detect] [CONNECTOR:39:eDP-1]
>[  446.005252] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  446.005328] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  446.005416] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  446.005418] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1] probed modes :
>[  446.005420] [drm:drm_mode_debug_printmodeline] Modeline 40:"1920x1080" 60 138120 1920 1968 2018 2052 1080 1084 1086 1122 0x48 0xa
>[  446.005421] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1]
>[  446.005422] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  446.005526] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  446.005601] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  446.005603] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  446.005604] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  446.005605] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  446.005783] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  446.006107] [drm:drm_edid_to_eld] ELD monitor ASUS PB287Q
>[  446.006109] [drm:parse_hdmi_vsdb] HDMI: DVI dual 0, max TMDS clock 300, latency present 0 0, video latency 0 1, audio latency 96 2
>[  446.006110] [drm:drm_edid_to_eld] ELD size 36, SAD count 1
>[  446.006128] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1] probed modes :
>[  446.006130] [drm:drm_mode_debug_printmodeline] Modeline 65:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[  446.006131] [drm:drm_mode_debug_printmodeline] Modeline 118:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[  446.006132] [drm:drm_mode_debug_printmodeline] Modeline 135:"3840x2160" 30 296703 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[  446.006134] [drm:drm_mode_debug_printmodeline] Modeline 119:"3840x2160" 25 297000 3840 4896 4984 5280 2160 2168 2178 2250 0x40 0x5
>[  446.006135] [drm:drm_mode_debug_printmodeline] Modeline 120:"3840x2160" 24 297000 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[  446.006136] [drm:drm_mode_debug_printmodeline] Modeline 136:"3840x2160" 24 296703 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[  446.006137] [drm:drm_mode_debug_printmodeline] Modeline 68:"2560x1600" 60 268500 2560 2608 2640 2720 1600 1603 1609 1646 0x40 0x9
>[  446.006139] [drm:drm_mode_debug_printmodeline] Modeline 67:"2560x1440" 60 241500 2560 2608 2640 2720 1440 1443 1448 1481 0x40 0x5
>[  446.006140] [drm:drm_mode_debug_printmodeline] Modeline 66:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  446.006141] [drm:drm_mode_debug_printmodeline] Modeline 121:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  446.006142] [drm:drm_mode_debug_printmodeline] Modeline 107:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  446.006144] [drm:drm_mode_debug_printmodeline] Modeline 129:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  446.006145] [drm:drm_mode_debug_printmodeline] Modeline 114:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[  446.006146] [drm:drm_mode_debug_printmodeline] Modeline 106:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[  446.006148] [drm:drm_mode_debug_printmodeline] Modeline 117:"1920x1080" 30 74250 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  446.006149] [drm:drm_mode_debug_printmodeline] Modeline 134:"1920x1080" 30 74176 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  446.006150] [drm:drm_mode_debug_printmodeline] Modeline 116:"1920x1080" 24 74250 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[  446.006152] [drm:drm_mode_debug_printmodeline] Modeline 133:"1920x1080" 24 74176 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[  446.006153] [drm:drm_mode_debug_printmodeline] Modeline 74:"1680x1050" 60 119000 1680 1728 1760 1840 1050 1053 1059 1080 0x40 0x9
>[  446.006154] [drm:drm_mode_debug_printmodeline] Modeline 84:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  446.006155] [drm:drm_mode_debug_printmodeline] Modeline 72:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  446.006157] [drm:drm_mode_debug_printmodeline] Modeline 73:"1440x900" 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
>[  446.006158] [drm:drm_mode_debug_printmodeline] Modeline 71:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[  446.006159] [drm:drm_mode_debug_printmodeline] Modeline 75:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[  446.006160] [drm:drm_mode_debug_printmodeline] Modeline 76:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  446.006162] [drm:drm_mode_debug_printmodeline] Modeline 123:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  446.006163] [drm:drm_mode_debug_printmodeline] Modeline 69:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[  446.006164] [drm:drm_mode_debug_printmodeline] Modeline 111:"1440x576" 50 54000 1440 1464 1592 1728 576 581 586 625 0x40 0xa
>[  446.006166] [drm:drm_mode_debug_printmodeline] Modeline 85:"1024x768" 75 78750 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  446.006167] [drm:drm_mode_debug_printmodeline] Modeline 86:"1024x768" 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
>[  446.006168] [drm:drm_mode_debug_printmodeline] Modeline 87:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  446.006169] [drm:drm_mode_debug_printmodeline] Modeline 130:"1440x480" 60 54054 1440 1472 1596 1716 480 489 495 525 0x40 0xa
>[  446.006171] [drm:drm_mode_debug_printmodeline] Modeline 108:"1440x480" 60 54000 1440 1472 1596 1716 480 489 495 525 0x40 0xa
>[  446.006172] [drm:drm_mode_debug_printmodeline] Modeline 88:"832x624" 75 57284 832 864 928 1152 624 625 628 667 0x40 0xa
>[  446.006173] [drm:drm_mode_debug_printmodeline] Modeline 94:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  446.006174] [drm:drm_mode_debug_printmodeline] Modeline 95:"800x600" 72 50000 800 856 976 1040 600 637 643 666 0x40 0x5
>[  446.006175] [drm:drm_mode_debug_printmodeline] Modeline 77:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  446.006177] [drm:drm_mode_debug_printmodeline] Modeline 78:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[  446.006178] [drm:drm_mode_debug_printmodeline] Modeline 70:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  446.006179] [drm:drm_mode_debug_printmodeline] Modeline 126:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  446.006180] [drm:drm_mode_debug_printmodeline] Modeline 98:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  446.006182] [drm:drm_mode_debug_printmodeline] Modeline 79:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  446.006183] [drm:drm_mode_debug_printmodeline] Modeline 80:"640x480" 73 31500 640 664 704 832 480 489 492 520 0x40 0xa
>[  446.006184] [drm:drm_mode_debug_printmodeline] Modeline 81:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  446.006185] [drm:drm_mode_debug_printmodeline] Modeline 124:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  446.006187] [drm:drm_mode_debug_printmodeline] Modeline 82:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  446.006188] [drm:drm_mode_debug_printmodeline] Modeline 83:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  446.006189] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1]
>[  446.006190] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  446.006228] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  446.006229] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  446.006265] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  446.006266] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  446.006267] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1] disconnected
>[  446.006268] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2]
>[  446.006269] [drm:intel_dp_detect] [CONNECTOR:54:DP-2]
>[  446.006369] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 01 00 00 01 00 02 02 06 00 00 00 00
>[  446.006438] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink no
>[  446.006440] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  446.006441] [drm:intel_dp_print_rates] sink rates: 162000, 270000
>[  446.006442] [drm:intel_dp_print_rates] common rates: 162000, 270000
>[  446.006527] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  446.006530] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2] probed modes :
>[  446.006532] [drm:drm_mode_debug_printmodeline] Modeline 89:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  446.006533] [drm:drm_mode_debug_printmodeline] Modeline 99:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0xa
>[  446.006534] [drm:drm_mode_debug_printmodeline] Modeline 93:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[  446.006536] [drm:drm_mode_debug_printmodeline] Modeline 97:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  446.006537] [drm:drm_mode_debug_printmodeline] Modeline 91:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  446.006538] [drm:drm_mode_debug_printmodeline] Modeline 92:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[  446.006539] [drm:drm_mode_debug_printmodeline] Modeline 90:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[  446.006541] [drm:drm_mode_debug_printmodeline] Modeline 112:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  446.006542] [drm:drm_mode_debug_printmodeline] Modeline 101:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  446.006543] [drm:drm_mode_debug_printmodeline] Modeline 110:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  446.006544] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2]
>[  446.006545] [drm:intel_hdmi_detect] [CONNECTOR:58:HDMI-A-2]
>[  446.006583] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  446.006584] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first message, retry
>[  446.006620] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  446.006621] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  446.006622] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2] disconnected
>[  446.006625] [drm:drm_setup_crtcs] 
>[  446.006626] [drm:drm_enable_connectors] connector 39 enabled? yes
>[  446.006627] [drm:drm_enable_connectors] connector 47 enabled? yes
>[  446.006627] [drm:drm_enable_connectors] connector 51 enabled? no
>[  446.006628] [drm:drm_enable_connectors] connector 54 enabled? yes
>[  446.006629] [drm:drm_enable_connectors] connector 58 enabled? no
>[  446.006630] [drm:intel_fb_initial_config] looking for cmdline mode on connector eDP-1
>[  446.006631] [drm:intel_fb_initial_config] looking for preferred mode on connector eDP-1 0
>[  446.006632] [drm:intel_fb_initial_config] connector eDP-1 on pipe A [CRTC:26]: 1920x1080
>[  446.006633] [drm:intel_fb_initial_config] connector DP-1 has no encoder or crtc, skipping
>[  446.006634] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[  446.006635] [drm:intel_fb_initial_config] looking for cmdline mode on connector DP-2
>[  446.006635] [drm:intel_fb_initial_config] looking for preferred mode on connector DP-2 0
>[  446.006636] [drm:intel_fb_initial_config] connector DP-2 on pipe C [CRTC:36]: 1920x1200
>[  446.006637] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[  446.006638] [drm:intel_fb_initial_config] fallback: Not all outputs enabled
>[  446.006638] [drm:intel_fb_initial_config] Enabled: 2, detected: 3
>[  446.006639] [drm:intel_fb_initial_config] Not using firmware configuration
>[  446.006640] [drm:drm_target_preferred] looking for cmdline mode on connector 39
>[  446.006641] [drm:drm_target_preferred] looking for preferred mode on connector 39 0
>[  446.006641] [drm:drm_target_preferred] found mode 1920x1080
>[  446.006642] [drm:drm_target_preferred] looking for cmdline mode on connector 47
>[  446.006643] [drm:drm_target_preferred] looking for preferred mode on connector 47 0
>[  446.006643] [drm:drm_target_preferred] found mode 3840x2160
>[  446.006644] [drm:drm_target_preferred] looking for cmdline mode on connector 54
>[  446.006645] [drm:drm_target_preferred] looking for preferred mode on connector 54 0
>[  446.006645] [drm:drm_target_preferred] found mode 1920x1200
>[  446.006646] [drm:drm_setup_crtcs] picking CRTCs for 8192x8192 config
>[  446.006649] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 26 (0,0)
>[  446.006651] [drm:drm_setup_crtcs] desired mode 3840x2160 set on crtc 31 (0,0)
>[  446.006652] [drm:drm_setup_crtcs] desired mode 1920x1200 set on crtc 36 (0,0)
>[  446.006666] [drm:connected_sink_compute_bpp] [CONNECTOR:47:DP-1] checking for sink bpp constrains
>[  446.006666] [drm:connected_sink_compute_bpp] clamping display bpp (was 36) to EDID reported max of 24
>[  446.006668] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 540000 pixel clock 297000KHz
>[  446.006670] [drm:intel_dp_compute_config] DP link bw 0a rate select 00 lane count 4 clock 270000 bpp 24
>[  446.006671] [drm:intel_dp_compute_config] DP link bw required 712800 available 864000
>[  446.006672] [drm:intel_modeset_pipe_config] hw max bpp: 36, pipe bpp: 24, dithering: 0
>[  446.006673] [drm:intel_dump_pipe_config] [CRTC:31][modeset] config ffff880274f85800 for pipe B
>[  446.006674] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[  446.006675] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[  446.006676] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  446.006677] [drm:intel_dump_pipe_config] dp: 1, lanes: 4, gmch_m: 6920601, gmch_n: 8388608, link_m: 576716, link_n: 524288, tu: 64
>[  446.006678] [drm:intel_dump_pipe_config] dp: 1, lanes: 4, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  446.006679] [drm:intel_dump_pipe_config] audio: 1, infoframes: 0
>[  446.006679] [drm:intel_dump_pipe_config] requested mode:
>[  446.006680] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[  446.006681] [drm:intel_dump_pipe_config] adjusted mode:
>[  446.006682] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[  446.006684] [drm:intel_dump_crtc_timings] crtc timings: 297000 3840 4016 4104 4400 2160 2168 2178 2250, type: 0x48 flags: 0x9
>[  446.006684] [drm:intel_dump_pipe_config] port clock: 270000
>[  446.006685] [drm:intel_dump_pipe_config] pipe src size: 3840x2160
>[  446.006686] [drm:intel_dump_pipe_config] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  446.006687] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  446.006687] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  446.006688] [drm:intel_dump_pipe_config] ips: 0
>[  446.006689] [drm:intel_dump_pipe_config] double wide: 0
>[  446.006690] [drm:intel_dump_pipe_config] ddi_pll_sel: 1; dpll_hw_state: ebb0: 0x8100, ebb4: 0x2000,pll0: 0x1b, pll1: 0x100, pll2: 0x0, pll3: 0x0, pll6: 0x10803, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  446.006691] [drm:intel_dump_pipe_config] planes on this crtc
>[  446.006692] [drm:intel_dump_pipe_config] STANDARD PLANE:29 plane: 1.0 idx: 4 disabled, scaler_id = -1
>[  446.006693] [drm:intel_dump_pipe_config] CURSOR PLANE:30 plane: 1.2 idx: 5 disabled, scaler_id = -1
>[  446.006694] [drm:intel_dump_pipe_config] STANDARD PLANE:32 plane: 1.1 idx: 6 disabled, scaler_id = -1
>[  446.006694] [drm:intel_dump_pipe_config] STANDARD PLANE:33 plane: 1.2 idx: 7 disabled, scaler_id = -1
>[  446.006697] [drm:intel_modeset_checks] New cdclk calculated to be atomic 384000, actual 384000
>[  446.006699] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 0.0
>[  446.006700] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:29] scaler_user index 1.4
>[  446.006701] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:34] scaler_user index 2.8
>[  446.006703] [drm:bxt_get_dpll] CRTC:26 using pre-allocated PORT PLL A
>[  446.006703] [drm:intel_reference_shared_dpll] using PORT PLL A for pipe A
>[  446.006704] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:26] scaler_user index 0.31
>[  446.006705] [drm:bxt_get_dpll] CRTC:31 using pre-allocated PORT PLL B
>[  446.006706] [drm:intel_reference_shared_dpll] using PORT PLL B for pipe B
>[  446.006707] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:31] scaler_user index 1.31
>[  446.006708] [drm:bxt_get_dpll] CRTC:36 using pre-allocated PORT PLL C
>[  446.006708] [drm:intel_reference_shared_dpll] using PORT PLL C for pipe C
>[  446.006709] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:36] scaler_user index 2.31
>[  446.008574] [drm:intel_edp_backlight_off] 
>[  446.058244] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
>[  446.058251] [drm:intel_disable_pipe] disabling pipe A
>[  446.062233] [drm:edp_panel_off] Turn eDP port A panel power off
>[  446.062236] [drm:wait_panel_off] Wait for panel power off time
>[  446.062237] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control 00000060
>[  446.075145] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  446.075150] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  446.075157] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 0
>[  446.075166] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  446.076130] [drm:wait_panel_status] Wait complete
>[  446.076133] [drm:intel_disable_shared_dpll] disable PORT PLL A (active 1, on? 1) for crtc 26
>[  446.076138] [drm:intel_disable_shared_dpll] disabling PORT PLL A
>[  446.077798] [drm:intel_disable_pipe] disabling pipe C
>[  446.083716] [drm:intel_disable_shared_dpll] disable PORT PLL C (active 4, on? 1) for crtc 36
>[  446.083721] [drm:intel_disable_shared_dpll] disabling PORT PLL C
>[  446.087304] [drm:intel_update_cdclk] Current CD clock rate: 384000 kHz
>[  446.087306] [drm:verify_encoder_state] [ENCODER:38:TMDS-38]
>[  446.087307] [drm:verify_encoder_state] [ENCODER:46:TMDS-46]
>[  446.087308] [drm:verify_encoder_state] [ENCODER:48:DP MST-48]
>[  446.087309] [drm:verify_encoder_state] [ENCODER:49:DP MST-49]
>[  446.087310] [drm:verify_encoder_state] [ENCODER:50:DP MST-50]
>[  446.087311] [drm:verify_encoder_state] [ENCODER:53:TMDS-53]
>[  446.087311] [drm:verify_encoder_state] [ENCODER:55:DP MST-55]
>[  446.087312] [drm:verify_encoder_state] [ENCODER:56:DP MST-56]
>[  446.087313] [drm:verify_encoder_state] [ENCODER:57:DP MST-57]
>[  446.087313] [drm:intel_connector_verify_state] [CONNECTOR:51:HDMI-A-1]
>[  446.087315] [drm:intel_connector_verify_state] [CONNECTOR:58:HDMI-A-2]
>[  446.087316] [drm:verify_single_dpll_state] PORT PLL A
>[  446.087317] [drm:verify_single_dpll_state] PORT PLL B
>[  446.087318] [drm:verify_single_dpll_state] PORT PLL C
>[  446.087320] [drm:intel_enable_shared_dpll] enable PORT PLL A (active 1, on? 0) for crtc 26
>[  446.087320] [drm:intel_enable_shared_dpll] enabling PORT PLL A
>[  446.087341] [drm:edp_panel_on] Turn eDP port A panel power on
>[  446.087342] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  446.190368] [drm:wait_panel_status] mask b800000f value 00000000 status 08000001 control 00000060
>[  446.221049] [drm:wait_panel_status] Wait complete
>[  446.221051] [drm:wait_panel_on] Wait for panel power on
>[  446.221052] [drm:wait_panel_status] mask b000000f value 80000008 status 0000000a control 00000063
>[  446.247189] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  446.247199] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  446.247200] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 1
>[  446.247269] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  446.288424] [drm:wait_panel_status] Wait complete
>[  446.288429] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[  446.288431] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0x0000006b
>[  446.289144] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  446.289145] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  446.289366] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  446.289884] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  446.289922] [drm:skylake_pfit_enable] for crtc_state = ffff88007ab5d800
>[  446.289961] [drm:intel_enable_pipe] enabling pipe A
>[  446.289967] [drm:intel_edp_backlight_on] 
>[  446.289968] [drm:intel_panel_enable_backlight] pipe A
>[  446.289969] [drm:intel_panel_actually_set_backlight] set backlight PWM = 4800
>[  446.292199] [drm:intel_psr_enable] PSR not supported on this platform
>[  446.292200] [drm:intel_edp_drrs_enable] Panel doesn't support DRRS
>[  446.292216] [drm:intel_enable_shared_dpll] enable PORT PLL B (active 2, on? 0) for crtc 31
>[  446.292217] [drm:intel_enable_shared_dpll] enabling PORT PLL B
>[  446.292989] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  446.292990] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  446.295293] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  446.298635] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  446.298677] [drm:skylake_pfit_enable] for crtc_state = ffff880274f85800
>[  446.298716] ------------[ cut here ]------------
>[  446.298731] WARNING: CPU: 0 PID: 2173 at /home/shared/kernels/drm-intel-nightly/drivers/gpu/drm/i915/intel_pm.c:3647 skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  446.298732] WARN_ON(!wm_changed)
>[  446.298732] Modules linked in:
>[  446.298733]  binfmt_misc arc4 bnep iwlmvm mac80211 x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel asix usbnet kvm mii irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep nls_iso8859_1 snd_pcm aesni_intel snd_seq_midi aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_seq_midi_event snd_rawmidi serio_raw btusb btrtl snd_seq btbcm btintel bluetooth snd_seq_device snd_timer iwlwifi mei_me snd cfg80211 shpchp mei soundcore rfkill_gpio intel_pmc_ipc tpm_crb mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid mmc_block i915 drm_kms_helper psmouse igb dca sdhci_pci sdhci syscopyarea sysfillrect sysimgblt fb_sys_fops xhci_pci xhci_hcd ptp pps_core i2c_algo_bit drm ahci libahci
>[  446.298757]  i2c_hid hid video
>[  446.298759] CPU: 0 PID: 2173 Comm: kworker/0:1 Tainted: G     U  W       4.6.0-rc3-nightly+ #1
>[  446.298759] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0131.B10.1603280005 03/28/2016
>[  446.298774] Workqueue: events i915_hotplug_work_func [i915]
>[  446.298775]  0000000000000000 ffff880270dc38f8 ffffffff813b287c ffff880270dc3948
>[  446.298776]  0000000000000000 ffff880270dc3938 ffffffff81079cc1 00000e3f00000000
>[  446.298777]  ffff880270cf4000 ffff880270cf5000 0000000000000004 ffff880270d193a8
>[  446.298779] Call Trace:
>[  446.298781]  [<ffffffff813b287c>] dump_stack+0x63/0x87
>[  446.298783]  [<ffffffff81079cc1>] __warn+0xd1/0xf0
>[  446.298784]  [<ffffffff81079d2f>] warn_slowpath_fmt+0x4f/0x60
>[  446.298795]  [<ffffffffa01e7ea2>] skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  446.298806]  [<ffffffffa01e804a>] skl_update_wm+0x19a/0x6f0 [i915]
>[  446.298820]  [<ffffffffa02744d0>] ? intel_ddi_enable_transcoder_func+0x170/0x240 [i915]
>[  446.298831]  [<ffffffffa01e95ee>] intel_update_watermarks+0x1e/0x30 [i915]
>[  446.298844]  [<ffffffffa025686d>] haswell_crtc_enable+0x45d/0x900 [i915]
>[  446.298857]  [<ffffffffa024263e>] ? intel_finish_crtc_commit+0xe/0x10 [i915]
>[  446.298862]  [<ffffffffa01bbc99>] ? drm_atomic_helper_commit_planes_on_crtc+0x169/0x230 [drm_kms_helper]
>[  446.298875]  [<ffffffffa0251655>] intel_atomic_commit+0x1335/0x1fa0 [i915]
>[  446.298877]  [<ffffffff811d9277>] ? kmem_cache_alloc_trace+0x187/0x210
>[  446.298887]  [<ffffffffa0078427>] ? drm_atomic_set_crtc_for_connector+0x57/0xe0 [drm]
>[  446.298895]  [<ffffffffa0079097>] drm_atomic_commit+0x37/0x60 [drm]
>[  446.298899]  [<ffffffffa01bcf0d>] restore_fbdev_mode+0x22d/0x260 [drm_kms_helper]
>[  446.298908]  [<ffffffffa0077e67>] ? drm_modeset_lock_all_ctx+0x97/0xb0 [drm]
>[  446.298912]  [<ffffffffa01befc3>] drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper]
>[  446.298916]  [<ffffffffa01bf03c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[  446.298920]  [<ffffffffa01bef42>] drm_fb_helper_hotplug_event+0xa2/0xf0 [drm_kms_helper]
>[  446.298933]  [<ffffffffa026e19e>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[  446.298936]  [<ffffffffa01b25e7>] drm_kms_helper_hotplug_event+0x27/0x30 [drm_kms_helper]
>[  446.298950]  [<ffffffffa0263c47>] i915_hotplug_work_func+0x207/0x2c0 [i915]
>[  446.298952]  [<ffffffff810a1797>] ? finish_task_switch+0x107/0x2f0
>[  446.298953]  [<ffffffff81092d50>] process_one_work+0x150/0x3f0
>[  446.298954]  [<ffffffff8109350b>] worker_thread+0x12b/0x4b0
>[  446.298956]  [<ffffffff817962d0>] ? __schedule+0x330/0x950
>[  446.298957]  [<ffffffff810933e0>] ? rescuer_thread+0x340/0x340
>[  446.298958]  [<ffffffff81098ca9>] kthread+0xc9/0xe0
>[  446.298959]  [<ffffffff8179a662>] ret_from_fork+0x22/0x40
>[  446.298960]  [<ffffffff81098be0>] ? kthread_park+0x60/0x60
>[  446.298961] ---[ end trace d209a97d99ad4ca9 ]---
>[  446.298966] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[  446.298967] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[  446.298970] [drm:intel_enable_pipe] enabling pipe B
>[  446.298977] [drm:intel_audio_codec_enable] ELD on [CONNECTOR:47:DP-1], [ENCODER:46:TMDS-46]
>[  446.298978] [drm:hsw_audio_codec_enable] Enable audio codec on pipe B, 36 bytes ELD
>[  446.298999] [drm:intel_enable_shared_dpll] enable PORT PLL C (active 4, on? 0) for crtc 36
>[  446.299000] [drm:intel_enable_shared_dpll] enabling PORT PLL C
>[  446.299729] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  446.299730] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  446.299955] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  446.303161] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  446.303203] [drm:skylake_pfit_enable] for crtc_state = ffff880274f87000
>[  446.303242] [drm:intel_enable_pipe] enabling pipe C
>[  446.305892] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000010, dig 0x18001819, pins 0x00000020
>[  446.305897] [drm:intel_hpd_irq_handler] digital hpd port B - short
>[  446.305910] [drm:intel_dp_hpd_pulse] got hpd irq on port B - short
>[  446.306015] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  446.306092] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  446.306094] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  446.306095] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  446.306096] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  446.307339] [drm:intel_connector_verify_state] [CONNECTOR:39:eDP-1]
>[  446.307343] [drm:verify_crtc_state] [CRTC:26]
>[  446.307353] [drm:verify_single_dpll_state] PORT PLL A
>[  446.307362] [drm:intel_connector_verify_state] [CONNECTOR:47:DP-1]
>[  446.307363] [drm:verify_crtc_state] [CRTC:31]
>[  446.307370] [drm:verify_single_dpll_state] PORT PLL B
>[  446.307392] [drm:verify_wm_state.isra.86 [i915]] *ERROR* mismatch in DDB state pipe C plane 1 (expected (254,500), found (0,246))
>[  446.307440] [drm:verify_wm_state.isra.86 [i915]] *ERROR* mismatch in DDB state pipe C cursor (expected (500,508), found (246,254))
>[  446.307455] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe C FIFO underrun
>[  446.307525] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
>[  446.307552] [drm:intel_connector_verify_state] [CONNECTOR:54:DP-2]
>[  446.307554] [drm:verify_crtc_state] [CRTC:36]
>[  446.307562] [drm:verify_single_dpll_state] PORT PLL C
>[  446.310330] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun
>[  446.903550] [drm:edp_panel_vdd_off_sync] Turning eDP port A VDD off
>[  446.903553] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0x00000067
>[  477.090185] [drm:connected_sink_compute_bpp] [CONNECTOR:39:eDP-1] checking for sink bpp constrains
>[  477.090186] [drm:connected_sink_compute_bpp] clamping display bpp (was 36) to EDID reported max of 24
>[  477.090188] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:26] scaler_user index 0.31
>[  477.090189] [drm:intel_dp_compute_config] DP link computation with max lane count 2 max bw 270000 pixel clock 138120KHz
>[  477.090191] [drm:intel_dp_compute_config] DP link bw 0a rate select 00 lane count 2 clock 270000 bpp 24
>[  477.090191] [drm:intel_dp_compute_config] DP link bw required 331488 available 432000
>[  477.090192] [drm:intel_modeset_pipe_config] hw max bpp: 36, pipe bpp: 24, dithering: 0
>[  477.090193] [drm:intel_dump_pipe_config] [CRTC:26][modeset] config ffff880275599000 for pipe A
>[  477.090194] [drm:intel_dump_pipe_config] cpu_transcoder: EDP
>[  477.090194] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[  477.090195] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  477.090195] [drm:intel_dump_pipe_config] dp: 1, lanes: 2, gmch_m: 6436858, gmch_n: 8388608, link_m: 268202, link_n: 524288, tu: 64
>[  477.090196] [drm:intel_dump_pipe_config] dp: 1, lanes: 2, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  477.090196] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[  477.090197] [drm:intel_dump_pipe_config] requested mode:
>[  477.090198] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 138120 1920 1968 2018 2052 1080 1084 1086 1122 0x48 0xa
>[  477.090198] [drm:intel_dump_pipe_config] adjusted mode:
>[  477.090199] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 138120 1920 1968 2018 2052 1080 1084 1086 1122 0x48 0xa
>[  477.090200] [drm:intel_dump_crtc_timings] crtc timings: 138120 1920 1968 2018 2052 1080 1084 1086 1122, type: 0x48 flags: 0xa
>[  477.090200] [drm:intel_dump_pipe_config] port clock: 270000
>[  477.090201] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[  477.090201] [drm:intel_dump_pipe_config] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  477.090202] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  477.090202] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  477.090202] [drm:intel_dump_pipe_config] ips: 0
>[  477.090203] [drm:intel_dump_pipe_config] double wide: 0
>[  477.090204] [drm:intel_dump_pipe_config] ddi_pll_sel: 0; dpll_hw_state: ebb0: 0x8100, ebb4: 0x2000,pll0: 0x1b, pll1: 0x100, pll2: 0x0, pll3: 0x0, pll6: 0x10803, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  477.090204] [drm:intel_dump_pipe_config] planes on this crtc
>[  477.090205] [drm:intel_dump_pipe_config] STANDARD PLANE:23 plane: 0.0 idx: 0 enabled
>[  477.090206] [drm:intel_dump_pipe_config] 	FB:122, fb = 3840x2160 format = 0x34325258
>[  477.090206] [drm:intel_dump_pipe_config] 	scaler:-1 src (0, 0) 1920x1080 dst (0, 0) 1920x1080
>[  477.090207] [drm:intel_dump_pipe_config] CURSOR PLANE:25 plane: 0.1 idx: 1 disabled, scaler_id = -1
>[  477.090207] [drm:intel_dump_pipe_config] STANDARD PLANE:27 plane: 0.1 idx: 2 disabled, scaler_id = -1
>[  477.090208] [drm:intel_dump_pipe_config] STANDARD PLANE:28 plane: 0.2 idx: 3 disabled, scaler_id = -1
>[  477.090209] [drm:intel_modeset_checks] New cdclk calculated to be atomic 384000, actual 384000
>[  477.090211] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 0.0
>[  477.090212] [drm:bxt_get_dpll] CRTC:26 using pre-allocated PORT PLL A
>[  477.090213] [drm:intel_reference_shared_dpll] using PORT PLL A for pipe A
>[  477.090213] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:26] scaler_user index 0.31
>[  477.091660] [drm:intel_edp_backlight_off] 
>[  477.180129] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
>[  477.180134] [drm:intel_disable_pipe] disabling pipe A
>[  477.181713] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[  477.181715] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0x0000006b
>[  477.181754] [drm:edp_panel_off] Turn eDP port A panel power off
>[  477.181755] [drm:wait_panel_off] Wait for panel power off time
>[  477.181757] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control 00000060
>[  477.194666] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  477.194668] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  477.194670] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 0
>[  477.194682] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  477.206205] [drm:wait_panel_status] Wait complete
>[  477.206208] [drm:intel_disable_shared_dpll] disable PORT PLL A (active 1, on? 1) for crtc 26
>[  477.206214] [drm:intel_disable_shared_dpll] disabling PORT PLL A
>[  477.206218] ------------[ cut here ]------------
>[  477.206232] WARNING: CPU: 0 PID: 2173 at /home/shared/kernels/drm-intel-nightly/drivers/gpu/drm/i915/intel_pm.c:3647 skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  477.206233] WARN_ON(!wm_changed)
>[  477.206248] Modules linked in: binfmt_misc arc4 bnep iwlmvm mac80211 x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel asix usbnet kvm mii irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep nls_iso8859_1 snd_pcm aesni_intel snd_seq_midi aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_seq_midi_event snd_rawmidi serio_raw btusb btrtl snd_seq btbcm btintel bluetooth snd_seq_device snd_timer iwlwifi mei_me snd cfg80211 shpchp mei soundcore rfkill_gpio intel_pmc_ipc tpm_crb mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid mmc_block i915 drm_kms_helper psmouse igb dca sdhci_pci sdhci syscopyarea sysfillrect sysimgblt fb_sys_fops xhci_pci xhci_hcd ptp pps_core i2c_algo_bit
>[  477.206250]  drm ahci libahci i2c_hid hid video
>[  477.206251] CPU: 0 PID: 2173 Comm: kworker/0:1 Tainted: G     U  W       4.6.0-rc3-nightly+ #1
>[  477.206251] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0131.B10.1603280005 03/28/2016
>[  477.206254] Workqueue: events console_callback
>[  477.206255]  0000000000000000 ffff880270dc3888 ffffffff813b287c ffff880270dc38d8
>[  477.206256]  0000000000000000 ffff880270dc38c8 ffffffff81079cc1 00000e3f00000000
>[  477.206256]  ffff880270cf5000 ffff880270cf4000 0000000000000004 ffff880270d193a8
>[  477.206257] Call Trace:
>[  477.206259]  [<ffffffff813b287c>] dump_stack+0x63/0x87
>[  477.206260]  [<ffffffff81079cc1>] __warn+0xd1/0xf0
>[  477.206261]  [<ffffffff81079d2f>] warn_slowpath_fmt+0x4f/0x60
>[  477.206272]  [<ffffffffa01e7ea2>] skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  477.206282]  [<ffffffffa01e804a>] skl_update_wm+0x19a/0x6f0 [i915]
>[  477.206296]  [<ffffffffa025d8ee>] ? bxt_ddi_pll_disable+0x4e/0x60 [i915]
>[  477.206307]  [<ffffffffa01e95ee>] intel_update_watermarks+0x1e/0x30 [i915]
>[  477.206320]  [<ffffffffa025074c>] intel_atomic_commit+0x42c/0x1fa0 [i915]
>[  477.206324]  [<ffffffffa01b9baf>] ? __drm_atomic_helper_crtc_duplicate_state+0x7f/0x110 [drm_kms_helper]
>[  477.206334]  [<ffffffffa0079097>] drm_atomic_commit+0x37/0x60 [drm]
>[  477.206337]  [<ffffffffa01bb50e>] drm_atomic_helper_connector_dpms+0xee/0x190 [drm_kms_helper]
>[  477.206341]  [<ffffffffa01bded5>] drm_fb_helper_dpms.isra.9+0x95/0xe0 [drm_kms_helper]
>[  477.206344]  [<ffffffffa01bdf52>] drm_fb_helper_blank+0x32/0x80 [drm_kms_helper]
>[  477.206358]  [<ffffffffa026cdfa>] intel_fbdev_blank+0x1a/0x60 [i915]
>[  477.206359]  [<ffffffff81431357>] fb_blank+0x57/0xb0
>[  477.206360]  [<ffffffff81428a3e>] fbcon_blank+0x1fe/0x2b0
>[  477.206362]  [<ffffffff8109e4c8>] ? update_rq_clock.part.79+0x18/0x40
>[  477.206362]  [<ffffffff81426501>] ? get_color.isra.15+0x31/0x120
>[  477.206364]  [<ffffffff810e4834>] ? lock_timer_base.isra.33+0x54/0x70
>[  477.206365]  [<ffffffff810e4b6f>] ? try_to_del_timer_sync+0x4f/0x70
>[  477.206366]  [<ffffffff814bd73e>] do_blank_screen+0x15e/0x1f0
>[  477.206366]  [<ffffffff814c0678>] console_callback+0x68/0x150
>[  477.206367]  [<ffffffff817962d0>] ? __schedule+0x330/0x950
>[  477.206369]  [<ffffffff81092d50>] process_one_work+0x150/0x3f0
>[  477.206369]  [<ffffffff8109350b>] worker_thread+0x12b/0x4b0
>[  477.206370]  [<ffffffff817962d0>] ? __schedule+0x330/0x950
>[  477.206371]  [<ffffffff810933e0>] ? rescuer_thread+0x340/0x340
>[  477.206371]  [<ffffffff81098ca9>] kthread+0xc9/0xe0
>[  477.206372]  [<ffffffff8179a662>] ret_from_fork+0x22/0x40
>[  477.206373]  [<ffffffff81098be0>] ? kthread_park+0x60/0x60
>[  477.206374] ---[ end trace d209a97d99ad4caa ]---
>[  477.206375] ------------[ cut here ]------------
>[  477.206386] WARNING: CPU: 0 PID: 2173 at /home/shared/kernels/drm-intel-nightly/drivers/gpu/drm/i915/intel_pm.c:3647 skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  477.206386] WARN_ON(!wm_changed)
>[  477.206397] Modules linked in: binfmt_misc arc4 bnep iwlmvm mac80211 x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel asix usbnet kvm mii irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep nls_iso8859_1 snd_pcm aesni_intel snd_seq_midi aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_seq_midi_event snd_rawmidi serio_raw btusb btrtl snd_seq btbcm btintel bluetooth snd_seq_device snd_timer iwlwifi mei_me snd cfg80211 shpchp mei soundcore rfkill_gpio intel_pmc_ipc tpm_crb mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid mmc_block i915 drm_kms_helper psmouse igb dca sdhci_pci sdhci syscopyarea sysfillrect sysimgblt fb_sys_fops xhci_pci xhci_hcd ptp pps_core i2c_algo_bit
>[  477.206398]  drm ahci libahci i2c_hid hid video
>[  477.206398] CPU: 0 PID: 2173 Comm: kworker/0:1 Tainted: G     U  W       4.6.0-rc3-nightly+ #1
>[  477.206398] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0131.B10.1603280005 03/28/2016
>[  477.206400] Workqueue: events console_callback
>[  477.206400]  0000000000000000 ffff880270dc3888 ffffffff813b287c ffff880270dc38d8
>[  477.206401]  0000000000000000 ffff880270dc38c8 ffffffff81079cc1 00000e3f00000000
>[  477.206402]  ffff880270cf6000 ffff880270cf4000 0000000000000004 ffff880270d193a8
>[  477.206402] Call Trace:
>[  477.206403]  [<ffffffff813b287c>] dump_stack+0x63/0x87
>[  477.206404]  [<ffffffff81079cc1>] __warn+0xd1/0xf0
>[  477.206404]  [<ffffffff81079d2f>] warn_slowpath_fmt+0x4f/0x60
>[  477.206415]  [<ffffffffa01e0000>] ? gt_act_freq_mhz_show+0xf0/0x100 [i915]
>[  477.206425]  [<ffffffffa01e7ea2>] skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  477.206436]  [<ffffffffa01e804a>] skl_update_wm+0x19a/0x6f0 [i915]
>[  477.206449]  [<ffffffffa025d8ee>] ? bxt_ddi_pll_disable+0x4e/0x60 [i915]
>[  477.206460]  [<ffffffffa01e95ee>] intel_update_watermarks+0x1e/0x30 [i915]
>[  477.206473]  [<ffffffffa025074c>] intel_atomic_commit+0x42c/0x1fa0 [i915]
>[  477.206476]  [<ffffffffa01b9baf>] ? __drm_atomic_helper_crtc_duplicate_state+0x7f/0x110 [drm_kms_helper]
>[  477.206484]  [<ffffffffa0079097>] drm_atomic_commit+0x37/0x60 [drm]
>[  477.206488]  [<ffffffffa01bb50e>] drm_atomic_helper_connector_dpms+0xee/0x190 [drm_kms_helper]
>[  477.206491]  [<ffffffffa01bded5>] drm_fb_helper_dpms.isra.9+0x95/0xe0 [drm_kms_helper]
>[  477.206495]  [<ffffffffa01bdf52>] drm_fb_helper_blank+0x32/0x80 [drm_kms_helper]
>[  477.206507]  [<ffffffffa026cdfa>] intel_fbdev_blank+0x1a/0x60 [i915]
>[  477.206508]  [<ffffffff81431357>] fb_blank+0x57/0xb0
>[  477.206509]  [<ffffffff81428a3e>] fbcon_blank+0x1fe/0x2b0
>[  477.206510]  [<ffffffff8109e4c8>] ? update_rq_clock.part.79+0x18/0x40
>[  477.206511]  [<ffffffff81426501>] ? get_color.isra.15+0x31/0x120
>[  477.206512]  [<ffffffff810e4834>] ? lock_timer_base.isra.33+0x54/0x70
>[  477.206513]  [<ffffffff810e4b6f>] ? try_to_del_timer_sync+0x4f/0x70
>[  477.206514]  [<ffffffff814bd73e>] do_blank_screen+0x15e/0x1f0
>[  477.206515]  [<ffffffff814c0678>] console_callback+0x68/0x150
>[  477.206515]  [<ffffffff817962d0>] ? __schedule+0x330/0x950
>[  477.206516]  [<ffffffff81092d50>] process_one_work+0x150/0x3f0
>[  477.206517]  [<ffffffff8109350b>] worker_thread+0x12b/0x4b0
>[  477.206518]  [<ffffffff817962d0>] ? __schedule+0x330/0x950
>[  477.206518]  [<ffffffff810933e0>] ? rescuer_thread+0x340/0x340
>[  477.206519]  [<ffffffff81098ca9>] kthread+0xc9/0xe0
>[  477.206520]  [<ffffffff8179a662>] ret_from_fork+0x22/0x40
>[  477.206520]  [<ffffffff81098be0>] ? kthread_park+0x60/0x60
>[  477.206521] ---[ end trace d209a97d99ad4cab ]---
>[  477.206526] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[  477.206527] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[  477.206529] [drm:verify_encoder_state] [ENCODER:38:TMDS-38]
>[  477.206530] [drm:verify_encoder_state] [ENCODER:46:TMDS-46]
>[  477.206530] [drm:verify_encoder_state] [ENCODER:48:DP MST-48]
>[  477.206531] [drm:verify_encoder_state] [ENCODER:49:DP MST-49]
>[  477.206531] [drm:verify_encoder_state] [ENCODER:50:DP MST-50]
>[  477.206531] [drm:verify_encoder_state] [ENCODER:53:TMDS-53]
>[  477.206532] [drm:verify_encoder_state] [ENCODER:55:DP MST-55]
>[  477.206532] [drm:verify_encoder_state] [ENCODER:56:DP MST-56]
>[  477.206532] [drm:verify_encoder_state] [ENCODER:57:DP MST-57]
>[  477.206533] [drm:intel_connector_verify_state] [CONNECTOR:51:HDMI-A-1]
>[  477.206535] [drm:intel_connector_verify_state] [CONNECTOR:58:HDMI-A-2]
>[  477.206536] [drm:verify_single_dpll_state] PORT PLL A
>[  477.206536] [drm:verify_single_dpll_state] PORT PLL B
>[  477.206540] [drm:verify_single_dpll_state] PORT PLL C
>[  477.206544] [drm:intel_connector_verify_state] [CONNECTOR:39:eDP-1]
>[  477.206545] [drm:verify_crtc_state] [CRTC:26]
>[  477.206547] [drm:verify_single_dpll_state] PORT PLL A
>[  477.206556] [drm:connected_sink_compute_bpp] [CONNECTOR:47:DP-1] checking for sink bpp constrains
>[  477.206556] [drm:connected_sink_compute_bpp] clamping display bpp (was 36) to EDID reported max of 24
>[  477.206558] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 540000 pixel clock 297000KHz
>[  477.206560] [drm:intel_dp_compute_config] DP link bw 0a rate select 00 lane count 4 clock 270000 bpp 24
>[  477.206560] [drm:intel_dp_compute_config] DP link bw required 712800 available 864000
>[  477.206561] [drm:intel_modeset_pipe_config] hw max bpp: 36, pipe bpp: 24, dithering: 0
>[  477.206562] [drm:intel_dump_pipe_config] [CRTC:31][modeset] config ffff880275598000 for pipe B
>[  477.206562] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[  477.206563] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[  477.206563] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  477.206564] [drm:intel_dump_pipe_config] dp: 1, lanes: 4, gmch_m: 6920601, gmch_n: 8388608, link_m: 576716, link_n: 524288, tu: 64
>[  477.206565] [drm:intel_dump_pipe_config] dp: 1, lanes: 4, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  477.206565] [drm:intel_dump_pipe_config] audio: 1, infoframes: 0
>[  477.206565] [drm:intel_dump_pipe_config] requested mode:
>[  477.206566] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[  477.206567] [drm:intel_dump_pipe_config] adjusted mode:
>[  477.206568] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[  477.206568] [drm:intel_dump_crtc_timings] crtc timings: 297000 3840 4016 4104 4400 2160 2168 2178 2250, type: 0x48 flags: 0x9
>[  477.206569] [drm:intel_dump_pipe_config] port clock: 270000
>[  477.206569] [drm:intel_dump_pipe_config] pipe src size: 3840x2160
>[  477.206570] [drm:intel_dump_pipe_config] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  477.206570] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  477.206571] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  477.206571] [drm:intel_dump_pipe_config] ips: 0
>[  477.206571] [drm:intel_dump_pipe_config] double wide: 0
>[  477.206572] [drm:intel_dump_pipe_config] ddi_pll_sel: 1; dpll_hw_state: ebb0: 0x8100, ebb4: 0x2000,pll0: 0x1b, pll1: 0x100, pll2: 0x0, pll3: 0x0, pll6: 0x10803, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  477.206572] [drm:intel_dump_pipe_config] planes on this crtc
>[  477.206574] [drm:intel_dump_pipe_config] STANDARD PLANE:29 plane: 1.0 idx: 4 enabled
>[  477.206574] [drm:intel_dump_pipe_config] 	FB:122, fb = 3840x2160 format = 0x34325258
>[  477.206574] [drm:intel_dump_pipe_config] 	scaler:-1 src (0, 0) 3840x2160 dst (0, 0) 3840x2160
>[  477.206575] [drm:intel_dump_pipe_config] CURSOR PLANE:30 plane: 1.2 idx: 5 disabled, scaler_id = -1
>[  477.206576] [drm:intel_dump_pipe_config] STANDARD PLANE:32 plane: 1.1 idx: 6 disabled, scaler_id = -1
>[  477.206576] [drm:intel_dump_pipe_config] STANDARD PLANE:33 plane: 1.2 idx: 7 disabled, scaler_id = -1
>[  477.206577] [drm:intel_modeset_checks] New cdclk calculated to be atomic 384000, actual 384000
>[  477.206579] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:29] scaler_user index 1.4
>[  477.206580] [drm:bxt_get_dpll] CRTC:31 using pre-allocated PORT PLL B
>[  477.206581] [drm:intel_reference_shared_dpll] using PORT PLL B for pipe B
>[  477.206581] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:31] scaler_user index 1.31
>[  477.213583] [drm:hsw_audio_codec_disable] Disable audio codec on pipe B
>[  477.213591] [drm:intel_disable_pipe] disabling pipe B
>[  477.221731] [drm:intel_disable_shared_dpll] disable PORT PLL B (active 2, on? 1) for crtc 31
>[  477.221735] [drm:intel_disable_shared_dpll] disabling PORT PLL B
>[  477.221738] ------------[ cut here ]------------
>[  477.221752] WARNING: CPU: 0 PID: 2173 at /home/shared/kernels/drm-intel-nightly/drivers/gpu/drm/i915/intel_pm.c:3647 skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  477.221752] WARN_ON(!wm_changed)
>[  477.221764] Modules linked in: binfmt_misc arc4 bnep iwlmvm mac80211 x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel asix usbnet kvm mii irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep nls_iso8859_1 snd_pcm aesni_intel snd_seq_midi aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_seq_midi_event snd_rawmidi serio_raw btusb btrtl snd_seq btbcm btintel bluetooth snd_seq_device snd_timer iwlwifi mei_me snd cfg80211 shpchp mei soundcore rfkill_gpio intel_pmc_ipc tpm_crb mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid mmc_block i915 drm_kms_helper psmouse igb dca sdhci_pci sdhci syscopyarea sysfillrect sysimgblt fb_sys_fops xhci_pci xhci_hcd ptp pps_core i2c_algo_bit
>[  477.221765]  drm ahci libahci i2c_hid hid video
>[  477.221766] CPU: 0 PID: 2173 Comm: kworker/0:1 Tainted: G     U  W       4.6.0-rc3-nightly+ #1
>[  477.221767] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0131.B10.1603280005 03/28/2016
>[  477.221768] Workqueue: events console_callback
>[  477.221769]  0000000000000000 ffff880270dc3888 ffffffff813b287c ffff880270dc38d8
>[  477.221770]  0000000000000000 ffff880270dc38c8 ffffffff81079cc1 00000e3f00000000
>[  477.221771]  ffff880270cf6000 ffff880270cf5000 0000000000000004 ffff880270d193a8
>[  477.221771] Call Trace:
>[  477.221773]  [<ffffffff813b287c>] dump_stack+0x63/0x87
>[  477.221774]  [<ffffffff81079cc1>] __warn+0xd1/0xf0
>[  477.221774]  [<ffffffff81079d2f>] warn_slowpath_fmt+0x4f/0x60
>[  477.221785]  [<ffffffffa01e7ea2>] skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  477.221796]  [<ffffffffa01e804a>] skl_update_wm+0x19a/0x6f0 [i915]
>[  477.221809]  [<ffffffffa025d8ee>] ? bxt_ddi_pll_disable+0x4e/0x60 [i915]
>[  477.221820]  [<ffffffffa01e95ee>] intel_update_watermarks+0x1e/0x30 [i915]
>[  477.221833]  [<ffffffffa025074c>] intel_atomic_commit+0x42c/0x1fa0 [i915]
>[  477.221837]  [<ffffffffa01b9baf>] ? __drm_atomic_helper_crtc_duplicate_state+0x7f/0x110 [drm_kms_helper]
>[  477.221847]  [<ffffffffa0079097>] drm_atomic_commit+0x37/0x60 [drm]
>[  477.221850]  [<ffffffffa01bb50e>] drm_atomic_helper_connector_dpms+0xee/0x190 [drm_kms_helper]
>[  477.221853]  [<ffffffffa01bded5>] drm_fb_helper_dpms.isra.9+0x95/0xe0 [drm_kms_helper]
>[  477.221857]  [<ffffffffa01bdf52>] drm_fb_helper_blank+0x32/0x80 [drm_kms_helper]
>[  477.221870]  [<ffffffffa026cdfa>] intel_fbdev_blank+0x1a/0x60 [i915]
>[  477.221872]  [<ffffffff81431357>] fb_blank+0x57/0xb0
>[  477.221872]  [<ffffffff81428a3e>] fbcon_blank+0x1fe/0x2b0
>[  477.221874]  [<ffffffff8109e4c8>] ? update_rq_clock.part.79+0x18/0x40
>[  477.221874]  [<ffffffff81426501>] ? get_color.isra.15+0x31/0x120
>[  477.221876]  [<ffffffff810e4834>] ? lock_timer_base.isra.33+0x54/0x70
>[  477.221877]  [<ffffffff810e4b6f>] ? try_to_del_timer_sync+0x4f/0x70
>[  477.221878]  [<ffffffff814bd73e>] do_blank_screen+0x15e/0x1f0
>[  477.221878]  [<ffffffff814c0678>] console_callback+0x68/0x150
>[  477.221879]  [<ffffffff817962d0>] ? __schedule+0x330/0x950
>[  477.221880]  [<ffffffff81092d50>] process_one_work+0x150/0x3f0
>[  477.221881]  [<ffffffff8109350b>] worker_thread+0x12b/0x4b0
>[  477.221881]  [<ffffffff817962d0>] ? __schedule+0x330/0x950
>[  477.221882]  [<ffffffff810933e0>] ? rescuer_thread+0x340/0x340
>[  477.221883]  [<ffffffff81098ca9>] kthread+0xc9/0xe0
>[  477.221884]  [<ffffffff8179a662>] ret_from_fork+0x22/0x40
>[  477.221884]  [<ffffffff81098be0>] ? kthread_park+0x60/0x60
>[  477.221885] ---[ end trace d209a97d99ad4cac ]---
>[  477.221890] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[  477.221891] [drm:verify_encoder_state] [ENCODER:38:TMDS-38]
>[  477.221892] [drm:verify_encoder_state] [ENCODER:46:TMDS-46]
>[  477.221892] [drm:verify_encoder_state] [ENCODER:48:DP MST-48]
>[  477.221893] [drm:verify_encoder_state] [ENCODER:49:DP MST-49]
>[  477.221893] [drm:verify_encoder_state] [ENCODER:50:DP MST-50]
>[  477.221893] [drm:verify_encoder_state] [ENCODER:53:TMDS-53]
>[  477.221894] [drm:verify_encoder_state] [ENCODER:55:DP MST-55]
>[  477.221894] [drm:verify_encoder_state] [ENCODER:56:DP MST-56]
>[  477.221894] [drm:verify_encoder_state] [ENCODER:57:DP MST-57]
>[  477.221895] [drm:intel_connector_verify_state] [CONNECTOR:51:HDMI-A-1]
>[  477.221896] [drm:intel_connector_verify_state] [CONNECTOR:58:HDMI-A-2]
>[  477.221897] [drm:verify_single_dpll_state] PORT PLL A
>[  477.221898] [drm:verify_single_dpll_state] PORT PLL B
>[  477.221898] [drm:verify_single_dpll_state] PORT PLL C
>[  477.221902] [drm:intel_connector_verify_state] [CONNECTOR:47:DP-1]
>[  477.221903] [drm:verify_crtc_state] [CRTC:31]
>[  477.221905] [drm:verify_single_dpll_state] PORT PLL B
>[  477.221912] [drm:connected_sink_compute_bpp] [CONNECTOR:54:DP-2] checking for sink bpp constrains
>[  477.221913] [drm:connected_sink_compute_bpp] clamping display bpp (was 36) to EDID reported max of 24
>[  477.221914] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 270000 pixel clock 154000KHz
>[  477.221916] [drm:intel_dp_compute_config] DP link bw 06 rate select 00 lane count 4 clock 162000 bpp 24
>[  477.221916] [drm:intel_dp_compute_config] DP link bw required 369600 available 518400
>[  477.221917] [drm:intel_modeset_pipe_config] hw max bpp: 36, pipe bpp: 24, dithering: 0
>[  477.221918] [drm:intel_dump_pipe_config] [CRTC:36][modeset] config ffff88007ab5d800 for pipe C
>[  477.221918] [drm:intel_dump_pipe_config] cpu_transcoder: C
>[  477.221918] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[  477.221919] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  477.221920] [drm:intel_dump_pipe_config] dp: 1, lanes: 4, gmch_m: 5980766, gmch_n: 8388608, link_m: 249198, link_n: 262144, tu: 64
>[  477.221920] [drm:intel_dump_pipe_config] dp: 1, lanes: 4, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  477.221921] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[  477.221921] [drm:intel_dump_pipe_config] requested mode:
>[  477.221922] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  477.221922] [drm:intel_dump_pipe_config] adjusted mode:
>[  477.221923] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  477.221924] [drm:intel_dump_crtc_timings] crtc timings: 154000 1920 1968 2000 2080 1200 1203 1209 1235, type: 0x48 flags: 0x9
>[  477.221924] [drm:intel_dump_pipe_config] port clock: 162000
>[  477.221925] [drm:intel_dump_pipe_config] pipe src size: 1920x1200
>[  477.221925] [drm:intel_dump_pipe_config] num_scalers: 1, scaler_users: 0x0, scaler_id: -1
>[  477.221925] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  477.221926] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  477.221926] [drm:intel_dump_pipe_config] ips: 0
>[  477.221927] [drm:intel_dump_pipe_config] double wide: 0
>[  477.221928] [drm:intel_dump_pipe_config] ddi_pll_sel: 2; dpll_hw_state: ebb0: 0x8200, ebb4: 0x2000,pll0: 0x20, pll1: 0x100, pll2: 0x19999a, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  477.221928] [drm:intel_dump_pipe_config] planes on this crtc
>[  477.221929] [drm:intel_dump_pipe_config] STANDARD PLANE:34 plane: 2.0 idx: 8 enabled
>[  477.221930] [drm:intel_dump_pipe_config] 	FB:122, fb = 3840x2160 format = 0x34325258
>[  477.221930] [drm:intel_dump_pipe_config] 	scaler:-1 src (0, 0) 1920x1200 dst (0, 0) 1920x1200
>[  477.221930] [drm:intel_dump_pipe_config] CURSOR PLANE:35 plane: 2.3 idx: 9 disabled, scaler_id = -1
>[  477.221931] [drm:intel_dump_pipe_config] STANDARD PLANE:37 plane: 2.1 idx: 10 disabled, scaler_id = -1
>[  477.221933] [drm:intel_modeset_checks] New cdclk calculated to be atomic 384000, actual 144000
>[  477.221934] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:34] scaler_user index 2.8
>[  477.221935] [drm:bxt_get_dpll] CRTC:36 using pre-allocated PORT PLL C
>[  477.221935] [drm:intel_reference_shared_dpll] using PORT PLL C for pipe C
>[  477.221936] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:36] scaler_user index 2.31
>[  477.223313] [drm:intel_disable_pipe] disabling pipe C
>[  477.227410] [drm:intel_disable_shared_dpll] disable PORT PLL C (active 4, on? 1) for crtc 36
>[  477.227414] [drm:intel_disable_shared_dpll] disabling PORT PLL C
>[  477.231289] [drm:intel_update_cdclk] Current CD clock rate: 144000 kHz
>[  477.231289] [drm:verify_encoder_state] [ENCODER:38:TMDS-38]
>[  477.231290] [drm:verify_encoder_state] [ENCODER:46:TMDS-46]
>[  477.231290] [drm:verify_encoder_state] [ENCODER:48:DP MST-48]
>[  477.231291] [drm:verify_encoder_state] [ENCODER:49:DP MST-49]
>[  477.231291] [drm:verify_encoder_state] [ENCODER:50:DP MST-50]
>[  477.231292] [drm:verify_encoder_state] [ENCODER:53:TMDS-53]
>[  477.231292] [drm:verify_encoder_state] [ENCODER:55:DP MST-55]
>[  477.231292] [drm:verify_encoder_state] [ENCODER:56:DP MST-56]
>[  477.231293] [drm:verify_encoder_state] [ENCODER:57:DP MST-57]
>[  477.231293] [drm:intel_connector_verify_state] [CONNECTOR:51:HDMI-A-1]
>[  477.231294] [drm:intel_connector_verify_state] [CONNECTOR:58:HDMI-A-2]
>[  477.231295] [drm:verify_single_dpll_state] PORT PLL A
>[  477.231296] [drm:verify_single_dpll_state] PORT PLL B
>[  477.231296] [drm:verify_single_dpll_state] PORT PLL C
>[  477.231298] [drm:intel_connector_verify_state] [CONNECTOR:54:DP-2]
>[  477.231299] [drm:verify_crtc_state] [CRTC:36]
>[  477.231300] [drm:verify_single_dpll_state] PORT PLL C
>[  477.231315] [drm:intel_backlight_device_update_status] updating intel_backlight, brightness=4800/96000
>[  482.640181] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000010, dig 0x18001819, pins 0x00000020
>[  482.640191] [drm:intel_hpd_irq_handler] digital hpd port B - short
>[  482.640204] [drm:intel_dp_hpd_pulse] got hpd irq on port B - short
>[  482.640426] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  482.640604] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  482.640682] [drm:i915_hotplug_work_func] running encoder hotplug functions
>[  482.640684] [drm:i915_hotplug_work_func] Connector DP-1 (pin 5) received hotplug event.
>[  482.640685] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  482.640788] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  482.640864] [drm:intel_hpd_irq_event] [CONNECTOR:47:DP-1] status updated from connected to disconnected
>[  482.640865] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 5) received hotplug event.
>[  482.640866] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  482.640916] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  482.640918] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  482.640966] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  482.640968] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  482.640980] [drm:drm_fb_helper_hotplug_event] 
>[  482.640981] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1]
>[  482.640982] [drm:intel_dp_detect] [CONNECTOR:39:eDP-1]
>[  482.640984] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[  482.640985] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  482.640988] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control 00000060
>[  482.640989] [drm:wait_panel_status] Wait complete
>[  482.640990] [drm:edp_panel_vdd_on] PP_STATUS: 0x00000000 PP_CONTROL: 0x00000068
>[  482.640991] [drm:edp_panel_vdd_on] eDP port A panel power wasn't enabled
>[  482.667117] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  482.667127] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  482.667128] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 0
>[  482.667142] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  482.692803] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  482.692880] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  482.692969] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  482.692971] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1] probed modes :
>[  482.692973] [drm:drm_mode_debug_printmodeline] Modeline 40:"1920x1080" 60 138120 1920 1968 2018 2052 1080 1084 1086 1122 0x48 0xa
>[  482.692974] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1]
>[  482.692976] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  482.693080] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  482.693157] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1] disconnected
>[  482.693161] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1]
>[  482.693162] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  482.693202] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  482.693203] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  482.693240] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  482.693241] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  482.693242] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1] disconnected
>[  482.693243] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2]
>[  482.693244] [drm:intel_dp_detect] [CONNECTOR:54:DP-2]
>[  482.693345] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 01 00 00 01 00 02 02 06 00 00 00 00
>[  482.693417] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink no
>[  482.693419] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  482.693420] [drm:intel_dp_print_rates] sink rates: 162000, 270000
>[  482.693421] [drm:intel_dp_print_rates] common rates: 162000, 270000
>[  482.693508] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  482.693511] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2] probed modes :
>[  482.693513] [drm:drm_mode_debug_printmodeline] Modeline 89:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  482.693514] [drm:drm_mode_debug_printmodeline] Modeline 99:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0xa
>[  482.693515] [drm:drm_mode_debug_printmodeline] Modeline 93:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[  482.693517] [drm:drm_mode_debug_printmodeline] Modeline 97:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  482.693518] [drm:drm_mode_debug_printmodeline] Modeline 91:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  482.693519] [drm:drm_mode_debug_printmodeline] Modeline 92:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[  482.693520] [drm:drm_mode_debug_printmodeline] Modeline 90:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[  482.693522] [drm:drm_mode_debug_printmodeline] Modeline 112:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  482.693523] [drm:drm_mode_debug_printmodeline] Modeline 101:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  482.693524] [drm:drm_mode_debug_printmodeline] Modeline 110:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  482.693525] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2]
>[  482.693526] [drm:intel_hdmi_detect] [CONNECTOR:58:HDMI-A-2]
>[  482.693565] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  482.693566] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first message, retry
>[  482.693603] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  482.693604] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  482.693605] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2] disconnected
>[  482.693607] [drm:drm_setup_crtcs] 
>[  482.693609] [drm:drm_enable_connectors] connector 39 enabled? yes
>[  482.693609] [drm:drm_enable_connectors] connector 47 enabled? no
>[  482.693610] [drm:drm_enable_connectors] connector 51 enabled? no
>[  482.693611] [drm:drm_enable_connectors] connector 54 enabled? yes
>[  482.693611] [drm:drm_enable_connectors] connector 58 enabled? no
>[  482.693613] [drm:intel_fb_initial_config] looking for cmdline mode on connector eDP-1
>[  482.693614] [drm:intel_fb_initial_config] looking for preferred mode on connector eDP-1 0
>[  482.693615] [drm:intel_fb_initial_config] connector eDP-1 on pipe A [CRTC:26]: 1920x1080
>[  482.693616] [drm:intel_fb_initial_config] connector DP-1 not enabled, skipping
>[  482.693616] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[  482.693617] [drm:intel_fb_initial_config] looking for cmdline mode on connector DP-2
>[  482.693618] [drm:intel_fb_initial_config] looking for preferred mode on connector DP-2 0
>[  482.693619] [drm:intel_fb_initial_config] connector DP-2 on pipe C [CRTC:36]: 1920x1200
>[  482.693620] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[  482.693621] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 26 (0,0)
>[  482.693622] [drm:drm_setup_crtcs] desired mode 1920x1200 set on crtc 36 (0,0)
>[  482.693636] [drm:connected_sink_compute_bpp] [CONNECTOR:39:eDP-1] checking for sink bpp constrains
>[  482.693637] [drm:connected_sink_compute_bpp] clamping display bpp (was 36) to EDID reported max of 24
>[  482.693639] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:26] scaler_user index 0.31
>[  482.693640] [drm:intel_dp_compute_config] DP link computation with max lane count 2 max bw 270000 pixel clock 138120KHz
>[  482.693642] [drm:intel_dp_compute_config] DP link bw 0a rate select 00 lane count 2 clock 270000 bpp 24
>[  482.693643] [drm:intel_dp_compute_config] DP link bw required 331488 available 432000
>[  482.693644] [drm:intel_modeset_pipe_config] hw max bpp: 36, pipe bpp: 24, dithering: 0
>[  482.693645] [drm:intel_dump_pipe_config] [CRTC:26][modeset] config ffff880274f81000 for pipe A
>[  482.693646] [drm:intel_dump_pipe_config] cpu_transcoder: EDP
>[  482.693647] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[  482.693648] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  482.693649] [drm:intel_dump_pipe_config] dp: 1, lanes: 2, gmch_m: 6436858, gmch_n: 8388608, link_m: 268202, link_n: 524288, tu: 64
>[  482.693650] [drm:intel_dump_pipe_config] dp: 1, lanes: 2, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  482.693651] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[  482.693651] [drm:intel_dump_pipe_config] requested mode:
>[  482.693653] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 138120 1920 1968 2018 2052 1080 1084 1086 1122 0x48 0xa
>[  482.693653] [drm:intel_dump_pipe_config] adjusted mode:
>[  482.693654] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 138120 1920 1968 2018 2052 1080 1084 1086 1122 0x48 0xa
>[  482.693656] [drm:intel_dump_crtc_timings] crtc timings: 138120 1920 1968 2018 2052 1080 1084 1086 1122, type: 0x48 flags: 0xa
>[  482.693656] [drm:intel_dump_pipe_config] port clock: 270000
>[  482.693657] [drm:intel_dump_pipe_config] pipe src size: 1920x1080
>[  482.693658] [drm:intel_dump_pipe_config] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  482.693659] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  482.693659] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  482.693660] [drm:intel_dump_pipe_config] ips: 0
>[  482.693661] [drm:intel_dump_pipe_config] double wide: 0
>[  482.693662] [drm:intel_dump_pipe_config] ddi_pll_sel: 0; dpll_hw_state: ebb0: 0x8100, ebb4: 0x2000,pll0: 0x1b, pll1: 0x100, pll2: 0x0, pll3: 0x0, pll6: 0x10803, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  482.693663] [drm:intel_dump_pipe_config] planes on this crtc
>[  482.693664] [drm:intel_dump_pipe_config] STANDARD PLANE:23 plane: 0.0 idx: 0 enabled
>[  482.693665] [drm:intel_dump_pipe_config] 	FB:122, fb = 3840x2160 format = 0x34325258
>[  482.693666] [drm:intel_dump_pipe_config] 	scaler:-1 src (0, 0) 1920x1080 dst (0, 0) 1920x1080
>[  482.693667] [drm:intel_dump_pipe_config] CURSOR PLANE:25 plane: 0.1 idx: 1 disabled, scaler_id = -1
>[  482.693668] [drm:intel_dump_pipe_config] STANDARD PLANE:27 plane: 0.1 idx: 2 disabled, scaler_id = -1
>[  482.693669] [drm:intel_dump_pipe_config] STANDARD PLANE:28 plane: 0.2 idx: 3 disabled, scaler_id = -1
>[  482.693670] [drm:connected_sink_compute_bpp] [CONNECTOR:54:DP-2] checking for sink bpp constrains
>[  482.693671] [drm:connected_sink_compute_bpp] clamping display bpp (was 36) to EDID reported max of 24
>[  482.693672] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 270000 pixel clock 154000KHz
>[  482.693674] [drm:intel_dp_compute_config] DP link bw 06 rate select 00 lane count 4 clock 162000 bpp 24
>[  482.693674] [drm:intel_dp_compute_config] DP link bw required 369600 available 518400
>[  482.693675] [drm:intel_modeset_pipe_config] hw max bpp: 36, pipe bpp: 24, dithering: 0
>[  482.693676] [drm:intel_dump_pipe_config] [CRTC:36][modeset] config ffff88007ab5d800 for pipe C
>[  482.693677] [drm:intel_dump_pipe_config] cpu_transcoder: C
>[  482.693678] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[  482.693679] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  482.693680] [drm:intel_dump_pipe_config] dp: 1, lanes: 4, gmch_m: 5980766, gmch_n: 8388608, link_m: 249198, link_n: 262144, tu: 64
>[  482.693681] [drm:intel_dump_pipe_config] dp: 1, lanes: 4, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  482.693681] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
>[  482.693682] [drm:intel_dump_pipe_config] requested mode:
>[  482.693683] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  482.693684] [drm:intel_dump_pipe_config] adjusted mode:
>[  482.693685] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  482.693686] [drm:intel_dump_crtc_timings] crtc timings: 154000 1920 1968 2000 2080 1200 1203 1209 1235, type: 0x48 flags: 0x9
>[  482.693687] [drm:intel_dump_pipe_config] port clock: 162000
>[  482.693688] [drm:intel_dump_pipe_config] pipe src size: 1920x1200
>[  482.693688] [drm:intel_dump_pipe_config] num_scalers: 1, scaler_users: 0x0, scaler_id: -1
>[  482.693689] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  482.693690] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  482.693691] [drm:intel_dump_pipe_config] ips: 0
>[  482.693691] [drm:intel_dump_pipe_config] double wide: 0
>[  482.693692] [drm:intel_dump_pipe_config] ddi_pll_sel: 2; dpll_hw_state: ebb0: 0x8200, ebb4: 0x2000,pll0: 0x20, pll1: 0x100, pll2: 0x19999a, pll3: 0x10000, pll6: 0x30904, pll8: 0x8, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  482.693693] [drm:intel_dump_pipe_config] planes on this crtc
>[  482.693694] [drm:intel_dump_pipe_config] STANDARD PLANE:34 plane: 2.0 idx: 8 enabled
>[  482.693695] [drm:intel_dump_pipe_config] 	FB:122, fb = 3840x2160 format = 0x34325258
>[  482.693696] [drm:intel_dump_pipe_config] 	scaler:-1 src (0, 0) 1920x1200 dst (0, 0) 1920x1200
>[  482.693697] [drm:intel_dump_pipe_config] CURSOR PLANE:35 plane: 2.3 idx: 9 disabled, scaler_id = -1
>[  482.693698] [drm:intel_dump_pipe_config] STANDARD PLANE:37 plane: 2.1 idx: 10 disabled, scaler_id = -1
>[  482.693699] [drm:intel_modeset_checks] New cdclk calculated to be atomic 288000, actual 288000
>[  482.693701] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 0.0
>[  482.693702] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:29] scaler_user index 1.4
>[  482.693703] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:34] scaler_user index 2.8
>[  482.693705] [drm:bxt_get_dpll] CRTC:26 using pre-allocated PORT PLL A
>[  482.693706] [drm:intel_reference_shared_dpll] using PORT PLL A for pipe A
>[  482.693707] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:26] scaler_user index 0.31
>[  482.693708] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:31] scaler_user index 1.31
>[  482.693709] [drm:bxt_get_dpll] CRTC:36 using pre-allocated PORT PLL C
>[  482.693710] [drm:intel_reference_shared_dpll] using PORT PLL C for pipe C
>[  482.693710] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:36] scaler_user index 2.31
>[  482.697123] [drm:intel_update_cdclk] Current CD clock rate: 288000 kHz
>[  482.697125] [drm:verify_encoder_state] [ENCODER:38:TMDS-38]
>[  482.697127] [drm:verify_encoder_state] [ENCODER:46:TMDS-46]
>[  482.697129] [drm:verify_encoder_state] [ENCODER:48:DP MST-48]
>[  482.697130] [drm:verify_encoder_state] [ENCODER:49:DP MST-49]
>[  482.697130] [drm:verify_encoder_state] [ENCODER:50:DP MST-50]
>[  482.697131] [drm:verify_encoder_state] [ENCODER:53:TMDS-53]
>[  482.697132] [drm:verify_encoder_state] [ENCODER:55:DP MST-55]
>[  482.697133] [drm:verify_encoder_state] [ENCODER:56:DP MST-56]
>[  482.697133] [drm:verify_encoder_state] [ENCODER:57:DP MST-57]
>[  482.697134] [drm:intel_connector_verify_state] [CONNECTOR:47:DP-1]
>[  482.697136] [drm:intel_connector_verify_state] [CONNECTOR:51:HDMI-A-1]
>[  482.697137] [drm:intel_connector_verify_state] [CONNECTOR:58:HDMI-A-2]
>[  482.697138] [drm:verify_single_dpll_state] PORT PLL A
>[  482.697139] [drm:verify_single_dpll_state] PORT PLL B
>[  482.697140] [drm:verify_single_dpll_state] PORT PLL C
>[  482.697141] [drm:intel_enable_shared_dpll] enable PORT PLL A (active 1, on? 0) for crtc 26
>[  482.697142] [drm:intel_enable_shared_dpll] enabling PORT PLL A
>[  482.697164] [drm:edp_panel_on] Turn eDP port A panel power on
>[  482.697165] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  482.697167] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control 00000068
>[  482.697168] [drm:wait_panel_status] Wait complete
>[  482.697169] [drm:wait_panel_on] Wait for panel power on
>[  482.697170] [drm:wait_panel_status] mask b000000f value 80000008 status 0000000a control 0000006b
>[  482.753907] [drm:wait_panel_status] Wait complete
>[  482.754623] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  482.754624] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  482.754846] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  482.755365] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  482.755403] [drm:skylake_pfit_enable] for crtc_state = ffff880274f81000
>[  482.755444] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[  482.755446] [drm:intel_enable_pipe] enabling pipe A
>[  482.755453] [drm:intel_edp_backlight_on] 
>[  482.755453] [drm:intel_panel_enable_backlight] pipe A
>[  482.755455] [drm:intel_panel_actually_set_backlight] set backlight PWM = 4800
>[  482.756461] [drm:intel_psr_enable] PSR not supported on this platform
>[  482.756462] [drm:intel_edp_drrs_enable] Panel doesn't support DRRS
>[  482.756478] [drm:intel_enable_shared_dpll] enable PORT PLL C (active 4, on? 0) for crtc 36
>[  482.756479] [drm:intel_enable_shared_dpll] enabling PORT PLL C
>[  482.757244] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  482.757245] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  482.757467] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  482.759877] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  482.759916] [drm:skylake_pfit_enable] for crtc_state = ffff88007ab5d800
>[  482.759957] ------------[ cut here ]------------
>[  482.759971] WARNING: CPU: 0 PID: 2173 at /home/shared/kernels/drm-intel-nightly/drivers/gpu/drm/i915/intel_pm.c:3647 skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  482.759972] WARN_ON(!wm_changed)
>[  482.759973] Modules linked in:
>[  482.759974]  binfmt_misc arc4 bnep iwlmvm mac80211 x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel asix usbnet kvm mii irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep nls_iso8859_1 snd_pcm aesni_intel snd_seq_midi aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_seq_midi_event snd_rawmidi serio_raw btusb btrtl snd_seq btbcm btintel bluetooth snd_seq_device snd_timer iwlwifi mei_me snd cfg80211 shpchp mei soundcore rfkill_gpio intel_pmc_ipc tpm_crb mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid mmc_block i915 drm_kms_helper psmouse igb dca sdhci_pci sdhci syscopyarea sysfillrect sysimgblt fb_sys_fops xhci_pci xhci_hcd ptp pps_core i2c_algo_bit drm ahci libahci
>[  482.759997]  i2c_hid hid video
>[  482.759999] CPU: 0 PID: 2173 Comm: kworker/0:1 Tainted: G     U  W       4.6.0-rc3-nightly+ #1
>[  482.760000] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0131.B10.1603280005 03/28/2016
>[  482.760014] Workqueue: events i915_hotplug_work_func [i915]
>[  482.760015]  0000000000000000 ffff880270dc38f8 ffffffff813b287c ffff880270dc3948
>[  482.760016]  0000000000000000 ffff880270dc3938 ffffffff81079cc1 00000e3f00000000
>[  482.760017]  ffff880270cf4000 ffff880270cf6000 0000000000000004 ffff880270d193a8
>[  482.760019] Call Trace:
>[  482.760022]  [<ffffffff813b287c>] dump_stack+0x63/0x87
>[  482.760023]  [<ffffffff81079cc1>] __warn+0xd1/0xf0
>[  482.760024]  [<ffffffff81079d2f>] warn_slowpath_fmt+0x4f/0x60
>[  482.760035]  [<ffffffffa01e7ea2>] skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  482.760046]  [<ffffffffa01e804a>] skl_update_wm+0x19a/0x6f0 [i915]
>[  482.760060]  [<ffffffffa02744d0>] ? intel_ddi_enable_transcoder_func+0x170/0x240 [i915]
>[  482.760071]  [<ffffffffa01e95ee>] intel_update_watermarks+0x1e/0x30 [i915]
>[  482.760085]  [<ffffffffa025686d>] haswell_crtc_enable+0x45d/0x900 [i915]
>[  482.760098]  [<ffffffffa024263e>] ? intel_finish_crtc_commit+0xe/0x10 [i915]
>[  482.760103]  [<ffffffffa01bbc99>] ? drm_atomic_helper_commit_planes_on_crtc+0x169/0x230 [drm_kms_helper]
>[  482.760117]  [<ffffffffa0251655>] intel_atomic_commit+0x1335/0x1fa0 [i915]
>[  482.760119]  [<ffffffff811d9277>] ? kmem_cache_alloc_trace+0x187/0x210
>[  482.760129]  [<ffffffffa0078427>] ? drm_atomic_set_crtc_for_connector+0x57/0xe0 [drm]
>[  482.760137]  [<ffffffffa0079097>] drm_atomic_commit+0x37/0x60 [drm]
>[  482.760141]  [<ffffffffa01bcf0d>] restore_fbdev_mode+0x22d/0x260 [drm_kms_helper]
>[  482.760149]  [<ffffffffa0077e67>] ? drm_modeset_lock_all_ctx+0x97/0xb0 [drm]
>[  482.760153]  [<ffffffffa01befc3>] drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper]
>[  482.760157]  [<ffffffffa01bf03c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[  482.760161]  [<ffffffffa01bef42>] drm_fb_helper_hotplug_event+0xa2/0xf0 [drm_kms_helper]
>[  482.760174]  [<ffffffffa026e19e>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[  482.760178]  [<ffffffffa01b25e7>] drm_kms_helper_hotplug_event+0x27/0x30 [drm_kms_helper]
>[  482.760191]  [<ffffffffa0263c47>] i915_hotplug_work_func+0x207/0x2c0 [i915]
>[  482.760193]  [<ffffffff810a1797>] ? finish_task_switch+0x107/0x2f0
>[  482.760195]  [<ffffffff81092d50>] process_one_work+0x150/0x3f0
>[  482.760196]  [<ffffffff8109350b>] worker_thread+0x12b/0x4b0
>[  482.760197]  [<ffffffff817962d0>] ? __schedule+0x330/0x950
>[  482.760198]  [<ffffffff810933e0>] ? rescuer_thread+0x340/0x340
>[  482.760199]  [<ffffffff81098ca9>] kthread+0xc9/0xe0
>[  482.760201]  [<ffffffff8179a662>] ret_from_fork+0x22/0x40
>[  482.760202]  [<ffffffff81098be0>] ? kthread_park+0x60/0x60
>[  482.760203] ---[ end trace d209a97d99ad4cad ]---
>[  482.760207] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[  482.760208] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[  482.760211] [drm:intel_enable_pipe] enabling pipe C
>[  482.764325] [drm:intel_connector_verify_state] [CONNECTOR:39:eDP-1]
>[  482.764330] [drm:verify_crtc_state] [CRTC:26]
>[  482.764341] [drm:verify_single_dpll_state] PORT PLL A
>[  482.764347] [drm:verify_crtc_state] [CRTC:31]
>[  482.764350] [drm:intel_connector_verify_state] [CONNECTOR:54:DP-2]
>[  482.764352] [drm:verify_crtc_state] [CRTC:36]
>[  482.764359] [drm:verify_single_dpll_state] PORT PLL C
>[  482.773969] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000010, dig 0x18001819, pins 0x00000020
>[  482.773980] [drm:intel_hpd_irq_handler] digital hpd port B - short
>[  482.773991] [drm:intel_dp_hpd_pulse] got hpd irq on port B - short
>[  482.774102] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  482.774179] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  482.774181] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  482.774182] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  482.774183] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  482.774391] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  482.774467] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  482.774468] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  482.774469] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  482.774470] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  482.774650] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  482.774756] [drm:drm_dp_i2c_do_msg] native defer
>[  482.775625] [drm:drm_dp_i2c_do_msg] native defer
>[  482.776400] [drm:drm_dp_i2c_do_msg] native defer
>[  482.777207] [drm:drm_dp_i2c_do_msg] native defer
>[  482.777984] [drm:drm_dp_i2c_do_msg] native defer
>[  482.778751] [drm:drm_dp_i2c_do_msg] native defer
>[  482.779683] [drm:drm_dp_i2c_do_msg] native defer
>[  482.780326] [drm:drm_dp_i2c_do_msg] native defer
>[  482.781135] [drm:drm_dp_i2c_do_msg] native defer
>[  482.781978] [drm:drm_dp_i2c_do_msg] native defer
>[  482.782783] [drm:drm_dp_i2c_do_msg] native defer
>[  482.783279] [drm:drm_dp_i2c_do_msg] native defer
>[  482.784121] [drm:drm_dp_i2c_do_msg] native defer
>[  482.784961] [drm:drm_dp_i2c_do_msg] native defer
>[  482.785749] [drm:drm_dp_i2c_do_msg] native defer
>[  482.786412] [drm:drm_dp_i2c_do_msg] native defer
>[  482.787254] [drm:drm_dp_i2c_do_msg] native defer
>[  482.790001] [drm:drm_dp_i2c_do_msg] native defer
>[  482.790803] [drm:drm_dp_i2c_do_msg] native defer
>[  482.791602] [drm:drm_dp_i2c_do_msg] native defer
>[  482.792371] [drm:drm_dp_i2c_do_msg] native defer
>[  482.793335] [drm:drm_dp_i2c_do_msg] native defer
>[  482.793850] [drm:drm_dp_i2c_do_msg] native defer
>[  482.794693] [drm:drm_dp_i2c_do_msg] native defer
>[  482.795501] [drm:drm_dp_i2c_do_msg] native defer
>[  482.796307] [drm:drm_dp_i2c_do_msg] native defer
>[  482.797182] [drm:drm_dp_i2c_do_msg] native defer
>[  482.797901] [drm:drm_dp_i2c_do_msg] native defer
>[  482.798744] [drm:drm_dp_i2c_do_msg] native defer
>[  482.799418] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[  482.799535] [drm:i915_hotplug_work_func] running encoder hotplug functions
>[  482.799536] [drm:i915_hotplug_work_func] Connector DP-1 (pin 5) received hotplug event.
>[  482.799537] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  482.799539] [drm:intel_hpd_irq_event] [CONNECTOR:47:DP-1] status updated from disconnected to connected
>[  482.799539] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 5) received hotplug event.
>[  482.799540] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  482.799590] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  482.799592] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  482.799640] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  482.799641] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  482.799654] [drm:drm_fb_helper_hotplug_event] 
>[  482.799655] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1]
>[  482.799656] [drm:intel_dp_detect] [CONNECTOR:39:eDP-1]
>[  482.800834] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  482.800911] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  482.801001] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  482.801003] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1] probed modes :
>[  482.801005] [drm:drm_mode_debug_printmodeline] Modeline 40:"1920x1080" 60 138120 1920 1968 2018 2052 1080 1084 1086 1122 0x48 0xa
>[  482.801006] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1]
>[  482.801007] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  482.801110] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  482.801188] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  482.801189] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  482.801190] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  482.801191] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  482.801369] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  482.801495] [drm:drm_edid_to_eld] ELD monitor ASUS PB287Q
>[  482.801497] [drm:parse_hdmi_vsdb] HDMI: DVI dual 0, max TMDS clock 300, latency present 0 0, video latency 0 1, audio latency 96 2
>[  482.801498] [drm:drm_edid_to_eld] ELD size 36, SAD count 1
>[  482.801515] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1] probed modes :
>[  482.801516] [drm:drm_mode_debug_printmodeline] Modeline 65:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[  482.801518] [drm:drm_mode_debug_printmodeline] Modeline 118:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[  482.801519] [drm:drm_mode_debug_printmodeline] Modeline 135:"3840x2160" 30 296703 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[  482.801520] [drm:drm_mode_debug_printmodeline] Modeline 119:"3840x2160" 25 297000 3840 4896 4984 5280 2160 2168 2178 2250 0x40 0x5
>[  482.801521] [drm:drm_mode_debug_printmodeline] Modeline 120:"3840x2160" 24 297000 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[  482.801523] [drm:drm_mode_debug_printmodeline] Modeline 136:"3840x2160" 24 296703 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[  482.801524] [drm:drm_mode_debug_printmodeline] Modeline 68:"2560x1600" 60 268500 2560 2608 2640 2720 1600 1603 1609 1646 0x40 0x9
>[  482.801525] [drm:drm_mode_debug_printmodeline] Modeline 67:"2560x1440" 60 241500 2560 2608 2640 2720 1440 1443 1448 1481 0x40 0x5
>[  482.801527] [drm:drm_mode_debug_printmodeline] Modeline 66:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  482.801528] [drm:drm_mode_debug_printmodeline] Modeline 121:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  482.801529] [drm:drm_mode_debug_printmodeline] Modeline 107:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  482.801530] [drm:drm_mode_debug_printmodeline] Modeline 129:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  482.801532] [drm:drm_mode_debug_printmodeline] Modeline 114:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[  482.801533] [drm:drm_mode_debug_printmodeline] Modeline 106:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[  482.801534] [drm:drm_mode_debug_printmodeline] Modeline 117:"1920x1080" 30 74250 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  482.801536] [drm:drm_mode_debug_printmodeline] Modeline 134:"1920x1080" 30 74176 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  482.801537] [drm:drm_mode_debug_printmodeline] Modeline 116:"1920x1080" 24 74250 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[  482.801538] [drm:drm_mode_debug_printmodeline] Modeline 133:"1920x1080" 24 74176 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[  482.801539] [drm:drm_mode_debug_printmodeline] Modeline 74:"1680x1050" 60 119000 1680 1728 1760 1840 1050 1053 1059 1080 0x40 0x9
>[  482.801541] [drm:drm_mode_debug_printmodeline] Modeline 84:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  482.801542] [drm:drm_mode_debug_printmodeline] Modeline 72:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  482.801543] [drm:drm_mode_debug_printmodeline] Modeline 73:"1440x900" 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
>[  482.801544] [drm:drm_mode_debug_printmodeline] Modeline 71:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[  482.801546] [drm:drm_mode_debug_printmodeline] Modeline 75:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[  482.801547] [drm:drm_mode_debug_printmodeline] Modeline 76:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  482.801549] [drm:drm_mode_debug_printmodeline] Modeline 123:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  482.801550] [drm:drm_mode_debug_printmodeline] Modeline 69:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[  482.801551] [drm:drm_mode_debug_printmodeline] Modeline 111:"1440x576" 50 54000 1440 1464 1592 1728 576 581 586 625 0x40 0xa
>[  482.801553] [drm:drm_mode_debug_printmodeline] Modeline 85:"1024x768" 75 78750 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  482.801554] [drm:drm_mode_debug_printmodeline] Modeline 86:"1024x768" 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
>[  482.801555] [drm:drm_mode_debug_printmodeline] Modeline 87:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  482.801556] [drm:drm_mode_debug_printmodeline] Modeline 130:"1440x480" 60 54054 1440 1472 1596 1716 480 489 495 525 0x40 0xa
>[  482.801558] [drm:drm_mode_debug_printmodeline] Modeline 108:"1440x480" 60 54000 1440 1472 1596 1716 480 489 495 525 0x40 0xa
>[  482.801559] [drm:drm_mode_debug_printmodeline] Modeline 88:"832x624" 75 57284 832 864 928 1152 624 625 628 667 0x40 0xa
>[  482.801560] [drm:drm_mode_debug_printmodeline] Modeline 94:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  482.801562] [drm:drm_mode_debug_printmodeline] Modeline 95:"800x600" 72 50000 800 856 976 1040 600 637 643 666 0x40 0x5
>[  482.801563] [drm:drm_mode_debug_printmodeline] Modeline 77:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  482.801564] [drm:drm_mode_debug_printmodeline] Modeline 78:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[  482.801565] [drm:drm_mode_debug_printmodeline] Modeline 70:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  482.801567] [drm:drm_mode_debug_printmodeline] Modeline 126:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  482.801568] [drm:drm_mode_debug_printmodeline] Modeline 98:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  482.801569] [drm:drm_mode_debug_printmodeline] Modeline 79:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  482.801570] [drm:drm_mode_debug_printmodeline] Modeline 80:"640x480" 73 31500 640 664 704 832 480 489 492 520 0x40 0xa
>[  482.801572] [drm:drm_mode_debug_printmodeline] Modeline 81:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  482.801573] [drm:drm_mode_debug_printmodeline] Modeline 124:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  482.801574] [drm:drm_mode_debug_printmodeline] Modeline 82:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  482.801575] [drm:drm_mode_debug_printmodeline] Modeline 83:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  482.801576] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1]
>[  482.801577] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  482.801627] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  482.801629] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  482.801677] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  482.801678] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  482.801680] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1] disconnected
>[  482.801681] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2]
>[  482.801682] [drm:intel_dp_detect] [CONNECTOR:54:DP-2]
>[  482.801783] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 01 00 00 01 00 02 02 06 00 00 00 00
>[  482.801857] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink no
>[  482.801859] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  482.801859] [drm:intel_dp_print_rates] sink rates: 162000, 270000
>[  482.801860] [drm:intel_dp_print_rates] common rates: 162000, 270000
>[  482.801947] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  482.801951] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2] probed modes :
>[  482.801952] [drm:drm_mode_debug_printmodeline] Modeline 89:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  482.801954] [drm:drm_mode_debug_printmodeline] Modeline 99:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0xa
>[  482.801955] [drm:drm_mode_debug_printmodeline] Modeline 93:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[  482.801956] [drm:drm_mode_debug_printmodeline] Modeline 97:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  482.801958] [drm:drm_mode_debug_printmodeline] Modeline 91:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  482.801959] [drm:drm_mode_debug_printmodeline] Modeline 92:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[  482.801960] [drm:drm_mode_debug_printmodeline] Modeline 90:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[  482.801961] [drm:drm_mode_debug_printmodeline] Modeline 112:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  482.801963] [drm:drm_mode_debug_printmodeline] Modeline 101:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  482.801964] [drm:drm_mode_debug_printmodeline] Modeline 110:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  482.801965] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2]
>[  482.801966] [drm:intel_hdmi_detect] [CONNECTOR:58:HDMI-A-2]
>[  482.802014] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  482.802016] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first message, retry
>[  482.802064] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  482.802066] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  482.802067] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2] disconnected
>[  482.802069] [drm:drm_setup_crtcs] 
>[  482.802070] [drm:drm_enable_connectors] connector 39 enabled? yes
>[  482.802071] [drm:drm_enable_connectors] connector 47 enabled? yes
>[  482.802072] [drm:drm_enable_connectors] connector 51 enabled? no
>[  482.802072] [drm:drm_enable_connectors] connector 54 enabled? yes
>[  482.802073] [drm:drm_enable_connectors] connector 58 enabled? no
>[  482.802074] [drm:intel_fb_initial_config] looking for cmdline mode on connector eDP-1
>[  482.802075] [drm:intel_fb_initial_config] looking for preferred mode on connector eDP-1 0
>[  482.802076] [drm:intel_fb_initial_config] connector eDP-1 on pipe A [CRTC:26]: 1920x1080
>[  482.802077] [drm:intel_fb_initial_config] connector DP-1 has no encoder or crtc, skipping
>[  482.802078] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[  482.802079] [drm:intel_fb_initial_config] looking for cmdline mode on connector DP-2
>[  482.802080] [drm:intel_fb_initial_config] looking for preferred mode on connector DP-2 0
>[  482.802081] [drm:intel_fb_initial_config] connector DP-2 on pipe C [CRTC:36]: 1920x1200
>[  482.802081] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[  482.802082] [drm:intel_fb_initial_config] fallback: Not all outputs enabled
>[  482.802083] [drm:intel_fb_initial_config] Enabled: 2, detected: 3
>[  482.802083] [drm:intel_fb_initial_config] Not using firmware configuration
>[  482.802084] [drm:drm_target_preferred] looking for cmdline mode on connector 39
>[  482.802085] [drm:drm_target_preferred] looking for preferred mode on connector 39 0
>[  482.802086] [drm:drm_target_preferred] found mode 1920x1080
>[  482.802086] [drm:drm_target_preferred] looking for cmdline mode on connector 47
>[  482.802087] [drm:drm_target_preferred] looking for preferred mode on connector 47 0
>[  482.802088] [drm:drm_target_preferred] found mode 3840x2160
>[  482.802088] [drm:drm_target_preferred] looking for cmdline mode on connector 54
>[  482.802089] [drm:drm_target_preferred] looking for preferred mode on connector 54 0
>[  482.802090] [drm:drm_target_preferred] found mode 1920x1200
>[  482.802091] [drm:drm_setup_crtcs] picking CRTCs for 8192x8192 config
>[  482.802094] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 26 (0,0)
>[  482.802096] [drm:drm_setup_crtcs] desired mode 3840x2160 set on crtc 31 (0,0)
>[  482.802096] [drm:drm_setup_crtcs] desired mode 1920x1200 set on crtc 36 (0,0)
>[  482.802111] [drm:connected_sink_compute_bpp] [CONNECTOR:47:DP-1] checking for sink bpp constrains
>[  482.802112] [drm:connected_sink_compute_bpp] clamping display bpp (was 36) to EDID reported max of 24
>[  482.802113] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 540000 pixel clock 297000KHz
>[  482.802115] [drm:intel_dp_compute_config] DP link bw 0a rate select 00 lane count 4 clock 270000 bpp 24
>[  482.802116] [drm:intel_dp_compute_config] DP link bw required 712800 available 864000
>[  482.802117] [drm:intel_modeset_pipe_config] hw max bpp: 36, pipe bpp: 24, dithering: 0
>[  482.802119] [drm:intel_dump_pipe_config] [CRTC:31][modeset] config ffff880275598000 for pipe B
>[  482.802119] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[  482.802120] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[  482.802121] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  482.802122] [drm:intel_dump_pipe_config] dp: 1, lanes: 4, gmch_m: 6920601, gmch_n: 8388608, link_m: 576716, link_n: 524288, tu: 64
>[  482.802123] [drm:intel_dump_pipe_config] dp: 1, lanes: 4, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  482.802124] [drm:intel_dump_pipe_config] audio: 1, infoframes: 0
>[  482.802124] [drm:intel_dump_pipe_config] requested mode:
>[  482.802126] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[  482.802126] [drm:intel_dump_pipe_config] adjusted mode:
>[  482.802128] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[  482.802129] [drm:intel_dump_crtc_timings] crtc timings: 297000 3840 4016 4104 4400 2160 2168 2178 2250, type: 0x48 flags: 0x9
>[  482.802130] [drm:intel_dump_pipe_config] port clock: 270000
>[  482.802130] [drm:intel_dump_pipe_config] pipe src size: 3840x2160
>[  482.802131] [drm:intel_dump_pipe_config] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  482.802132] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  482.802133] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  482.802133] [drm:intel_dump_pipe_config] ips: 0
>[  482.802134] [drm:intel_dump_pipe_config] double wide: 0
>[  482.802135] [drm:intel_dump_pipe_config] ddi_pll_sel: 1; dpll_hw_state: ebb0: 0x8100, ebb4: 0x2000,pll0: 0x1b, pll1: 0x100, pll2: 0x0, pll3: 0x0, pll6: 0x10803, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  482.802136] [drm:intel_dump_pipe_config] planes on this crtc
>[  482.802137] [drm:intel_dump_pipe_config] STANDARD PLANE:29 plane: 1.0 idx: 4 disabled, scaler_id = -1
>[  482.802138] [drm:intel_dump_pipe_config] CURSOR PLANE:30 plane: 1.2 idx: 5 disabled, scaler_id = -1
>[  482.802139] [drm:intel_dump_pipe_config] STANDARD PLANE:32 plane: 1.1 idx: 6 disabled, scaler_id = -1
>[  482.802140] [drm:intel_dump_pipe_config] STANDARD PLANE:33 plane: 1.2 idx: 7 disabled, scaler_id = -1
>[  482.802142] [drm:intel_modeset_checks] New cdclk calculated to be atomic 384000, actual 384000
>[  482.802144] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 0.0
>[  482.802145] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:29] scaler_user index 1.4
>[  482.802146] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:34] scaler_user index 2.8
>[  482.802148] [drm:bxt_get_dpll] CRTC:26 using pre-allocated PORT PLL A
>[  482.802149] [drm:intel_reference_shared_dpll] using PORT PLL A for pipe A
>[  482.802150] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:26] scaler_user index 0.31
>[  482.802151] [drm:bxt_get_dpll] CRTC:31 using pre-allocated PORT PLL B
>[  482.802151] [drm:intel_reference_shared_dpll] using PORT PLL B for pipe B
>[  482.802152] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:31] scaler_user index 1.31
>[  482.802153] [drm:bxt_get_dpll] CRTC:36 using pre-allocated PORT PLL C
>[  482.802154] [drm:intel_reference_shared_dpll] using PORT PLL C for pipe C
>[  482.802155] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:36] scaler_user index 2.31
>[  482.804111] [drm:intel_edp_backlight_off] 
>[  482.866494] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
>[  482.866501] [drm:intel_disable_pipe] disabling pipe A
>[  482.870671] [drm:edp_panel_off] Turn eDP port A panel power off
>[  482.870674] [drm:wait_panel_off] Wait for panel power off time
>[  482.870676] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control 00000060
>[  482.883256] [drm:wait_panel_status] Wait complete
>[  482.883259] [drm:intel_disable_shared_dpll] disable PORT PLL A (active 1, on? 1) for crtc 26
>[  482.883264] [drm:intel_disable_shared_dpll] disabling PORT PLL A
>[  482.883576] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  482.883578] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  482.883579] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 1
>[  482.883586] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  482.885981] [drm:intel_disable_pipe] disabling pipe C
>[  482.890101] [drm:intel_disable_shared_dpll] disable PORT PLL C (active 4, on? 1) for crtc 36
>[  482.890106] [drm:intel_disable_shared_dpll] disabling PORT PLL C
>[  482.894040] [drm:intel_update_cdclk] Current CD clock rate: 384000 kHz
>[  482.894041] [drm:verify_encoder_state] [ENCODER:38:TMDS-38]
>[  482.894042] [drm:verify_encoder_state] [ENCODER:46:TMDS-46]
>[  482.894043] [drm:verify_encoder_state] [ENCODER:48:DP MST-48]
>[  482.894044] [drm:verify_encoder_state] [ENCODER:49:DP MST-49]
>[  482.894045] [drm:verify_encoder_state] [ENCODER:50:DP MST-50]
>[  482.894046] [drm:verify_encoder_state] [ENCODER:53:TMDS-53]
>[  482.894046] [drm:verify_encoder_state] [ENCODER:55:DP MST-55]
>[  482.894047] [drm:verify_encoder_state] [ENCODER:56:DP MST-56]
>[  482.894048] [drm:verify_encoder_state] [ENCODER:57:DP MST-57]
>[  482.894049] [drm:intel_connector_verify_state] [CONNECTOR:51:HDMI-A-1]
>[  482.894050] [drm:intel_connector_verify_state] [CONNECTOR:58:HDMI-A-2]
>[  482.894051] [drm:verify_single_dpll_state] PORT PLL A
>[  482.894052] [drm:verify_single_dpll_state] PORT PLL B
>[  482.894053] [drm:verify_single_dpll_state] PORT PLL C
>[  482.894055] [drm:intel_enable_shared_dpll] enable PORT PLL A (active 1, on? 0) for crtc 26
>[  482.894055] [drm:intel_enable_shared_dpll] enabling PORT PLL A
>[  482.894076] [drm:edp_panel_on] Turn eDP port A panel power on
>[  482.894077] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  483.003927] [drm:wait_panel_status] mask b800000f value 00000000 status 08000001 control 00000060
>[  483.038611] [drm:wait_panel_status] Wait complete
>[  483.038614] [drm:wait_panel_on] Wait for panel power on
>[  483.038615] [drm:wait_panel_status] mask b000000f value 80000008 status 0000000a control 00000063
>[  483.064753] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  483.064763] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  483.064764] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 0
>[  483.064775] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  483.093437] [drm:wait_panel_status] Wait complete
>[  483.093441] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[  483.093443] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0x0000006b
>[  483.094157] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  483.094158] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  483.094379] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  483.094897] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  483.094935] [drm:skylake_pfit_enable] for crtc_state = ffff880274f87000
>[  483.094973] [drm:intel_enable_pipe] enabling pipe A
>[  483.094979] [drm:intel_edp_backlight_on] 
>[  483.094980] [drm:intel_panel_enable_backlight] pipe A
>[  483.094982] [drm:intel_panel_actually_set_backlight] set backlight PWM = 4800
>[  483.095787] [drm:intel_psr_enable] PSR not supported on this platform
>[  483.095788] [drm:intel_edp_drrs_enable] Panel doesn't support DRRS
>[  483.095805] [drm:intel_enable_shared_dpll] enable PORT PLL B (active 2, on? 0) for crtc 31
>[  483.095805] [drm:intel_enable_shared_dpll] enabling PORT PLL B
>[  483.096536] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  483.096537] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  483.097397] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  483.100711] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  483.100753] [drm:skylake_pfit_enable] for crtc_state = ffff880275598000
>[  483.100792] ------------[ cut here ]------------
>[  483.100807] WARNING: CPU: 0 PID: 2173 at /home/shared/kernels/drm-intel-nightly/drivers/gpu/drm/i915/intel_pm.c:3647 skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  483.100808] WARN_ON(!wm_changed)
>[  483.100808] Modules linked in:
>[  483.100809]  binfmt_misc arc4 bnep iwlmvm mac80211 x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel asix usbnet kvm mii irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep nls_iso8859_1 snd_pcm aesni_intel snd_seq_midi aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_seq_midi_event snd_rawmidi serio_raw btusb btrtl snd_seq btbcm btintel bluetooth snd_seq_device snd_timer iwlwifi mei_me snd cfg80211 shpchp mei soundcore rfkill_gpio intel_pmc_ipc tpm_crb mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid mmc_block i915 drm_kms_helper psmouse igb dca sdhci_pci sdhci syscopyarea sysfillrect sysimgblt fb_sys_fops xhci_pci xhci_hcd ptp pps_core i2c_algo_bit drm ahci libahci
>[  483.100833]  i2c_hid hid video
>[  483.100835] CPU: 0 PID: 2173 Comm: kworker/0:1 Tainted: G     U  W       4.6.0-rc3-nightly+ #1
>[  483.100836] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0131.B10.1603280005 03/28/2016
>[  483.100850] Workqueue: events i915_hotplug_work_func [i915]
>[  483.100851]  0000000000000000 ffff880270dc38f8 ffffffff813b287c ffff880270dc3948
>[  483.100852]  0000000000000000 ffff880270dc3938 ffffffff81079cc1 00000e3f00000000
>[  483.100854]  ffff880270cf4000 ffff880270cf5000 0000000000000004 ffff880270d193a8
>[  483.100855] Call Trace:
>[  483.100858]  [<ffffffff813b287c>] dump_stack+0x63/0x87
>[  483.100859]  [<ffffffff81079cc1>] __warn+0xd1/0xf0
>[  483.100860]  [<ffffffff81079d2f>] warn_slowpath_fmt+0x4f/0x60
>[  483.100872]  [<ffffffffa01e7ea2>] skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  483.100883]  [<ffffffffa01e804a>] skl_update_wm+0x19a/0x6f0 [i915]
>[  483.100896]  [<ffffffffa02744d0>] ? intel_ddi_enable_transcoder_func+0x170/0x240 [i915]
>[  483.100907]  [<ffffffffa01e95ee>] intel_update_watermarks+0x1e/0x30 [i915]
>[  483.100921]  [<ffffffffa025686d>] haswell_crtc_enable+0x45d/0x900 [i915]
>[  483.100934]  [<ffffffffa024263e>] ? intel_finish_crtc_commit+0xe/0x10 [i915]
>[  483.100939]  [<ffffffffa01bbc99>] ? drm_atomic_helper_commit_planes_on_crtc+0x169/0x230 [drm_kms_helper]
>[  483.100952]  [<ffffffffa0251655>] intel_atomic_commit+0x1335/0x1fa0 [i915]
>[  483.100954]  [<ffffffff811d9277>] ? kmem_cache_alloc_trace+0x187/0x210
>[  483.100964]  [<ffffffffa0078427>] ? drm_atomic_set_crtc_for_connector+0x57/0xe0 [drm]
>[  483.100973]  [<ffffffffa0079097>] drm_atomic_commit+0x37/0x60 [drm]
>[  483.100977]  [<ffffffffa01bcf0d>] restore_fbdev_mode+0x22d/0x260 [drm_kms_helper]
>[  483.100985]  [<ffffffffa0077e67>] ? drm_modeset_lock_all_ctx+0x97/0xb0 [drm]
>[  483.100989]  [<ffffffffa01befc3>] drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper]
>[  483.100993]  [<ffffffffa01bf03c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[  483.100997]  [<ffffffffa01bef42>] drm_fb_helper_hotplug_event+0xa2/0xf0 [drm_kms_helper]
>[  483.101010]  [<ffffffffa026e19e>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[  483.101013]  [<ffffffffa01b25e7>] drm_kms_helper_hotplug_event+0x27/0x30 [drm_kms_helper]
>[  483.101026]  [<ffffffffa0263c47>] i915_hotplug_work_func+0x207/0x2c0 [i915]
>[  483.101028]  [<ffffffff810a1797>] ? finish_task_switch+0x107/0x2f0
>[  483.101030]  [<ffffffff81092d50>] process_one_work+0x150/0x3f0
>[  483.101031]  [<ffffffff8109350b>] worker_thread+0x12b/0x4b0
>[  483.101032]  [<ffffffff817962d0>] ? __schedule+0x330/0x950
>[  483.101034]  [<ffffffff810933e0>] ? rescuer_thread+0x340/0x340
>[  483.101034]  [<ffffffff81098ca9>] kthread+0xc9/0xe0
>[  483.101036]  [<ffffffff8179a662>] ret_from_fork+0x22/0x40
>[  483.101037]  [<ffffffff81098be0>] ? kthread_park+0x60/0x60
>[  483.101048] ---[ end trace d209a97d99ad4cae ]---
>[  483.101053] [drm:skl_wm_flush_pipe] flush pipe A (pass 1)
>[  483.103126] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[  483.103130] [drm:intel_enable_pipe] enabling pipe B
>[  483.103136] [drm:intel_audio_codec_enable] ELD on [CONNECTOR:47:DP-1], [ENCODER:46:TMDS-46]
>[  483.103138] [drm:hsw_audio_codec_enable] Enable audio codec on pipe B, 36 bytes ELD
>[  483.103159] [drm:intel_enable_shared_dpll] enable PORT PLL C (active 4, on? 0) for crtc 36
>[  483.103159] [drm:intel_enable_shared_dpll] enabling PORT PLL C
>[  483.103912] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  483.103913] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  483.104259] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  483.107054] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  483.107109] [drm:skylake_pfit_enable] for crtc_state = ffff880274f82000
>[  483.107147] [drm:intel_enable_pipe] enabling pipe C
>[  483.111270] [drm:intel_connector_verify_state] [CONNECTOR:39:eDP-1]
>[  483.111274] [drm:verify_crtc_state] [CRTC:26]
>[  483.111284] [drm:verify_single_dpll_state] PORT PLL A
>[  483.111291] [drm:intel_connector_verify_state] [CONNECTOR:47:DP-1]
>[  483.111293] [drm:verify_crtc_state] [CRTC:31]
>[  483.111300] [drm:verify_single_dpll_state] PORT PLL B
>[  483.111305] [drm:intel_connector_verify_state] [CONNECTOR:54:DP-2]
>[  483.111307] [drm:verify_crtc_state] [CRTC:36]
>[  483.111314] [drm:verify_single_dpll_state] PORT PLL C
>[  483.111593] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun
>[  483.111675] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe C FIFO underrun
>[  483.719888] [drm:edp_panel_vdd_off_sync] Turning eDP port A VDD off
>[  483.719891] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0x00000067
>[  488.034875] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000010, dig 0x18001819, pins 0x00000020
>[  488.034881] [drm:intel_hpd_irq_handler] digital hpd port B - short
>[  488.035024] [drm:intel_dp_hpd_pulse] got hpd irq on port B - short
>[  488.035132] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  488.035309] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  488.035387] [drm:i915_hotplug_work_func] running encoder hotplug functions
>[  488.035388] [drm:i915_hotplug_work_func] Connector DP-1 (pin 5) received hotplug event.
>[  488.035389] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  488.035491] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  488.035567] [drm:intel_hpd_irq_event] [CONNECTOR:47:DP-1] status updated from connected to disconnected
>[  488.035568] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 5) received hotplug event.
>[  488.035569] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  488.035620] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  488.035621] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  488.035669] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  488.035671] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  488.035684] [drm:drm_fb_helper_hotplug_event] 
>[  488.035685] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1]
>[  488.035686] [drm:intel_dp_detect] [CONNECTOR:39:eDP-1]
>[  488.035688] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[  488.035689] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0x0000006f
>[  488.036548] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000010, dig 0x18001819, pins 0x00000020
>[  488.036551] [drm:intel_hpd_irq_handler] digital hpd port B - short
>[  488.036940] [drm:intel_dp_hpd_pulse] got hpd irq on port B - short
>[  488.037723] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  488.037800] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  488.037889] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  488.037891] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1] probed modes :
>[  488.037893] [drm:drm_mode_debug_printmodeline] Modeline 40:"1920x1080" 60 138120 1920 1968 2018 2052 1080 1084 1086 1122 0x48 0xa
>[  488.037894] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1]
>[  488.037897] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  488.038001] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  488.038179] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  488.038357] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  488.038432] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1] disconnected
>[  488.038437] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1]
>[  488.038438] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  488.038488] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  488.038490] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  488.038538] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  488.038540] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  488.038541] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1] disconnected
>[  488.038542] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2]
>[  488.038543] [drm:intel_dp_detect] [CONNECTOR:54:DP-2]
>[  488.038644] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 01 00 00 01 00 02 02 06 00 00 00 00
>[  488.038716] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink no
>[  488.038717] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  488.038718] [drm:intel_dp_print_rates] sink rates: 162000, 270000
>[  488.038719] [drm:intel_dp_print_rates] common rates: 162000, 270000
>[  488.038806] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  488.038810] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2] probed modes :
>[  488.038811] [drm:drm_mode_debug_printmodeline] Modeline 89:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  488.038813] [drm:drm_mode_debug_printmodeline] Modeline 99:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0xa
>[  488.038814] [drm:drm_mode_debug_printmodeline] Modeline 93:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[  488.038815] [drm:drm_mode_debug_printmodeline] Modeline 97:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  488.038817] [drm:drm_mode_debug_printmodeline] Modeline 91:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  488.038818] [drm:drm_mode_debug_printmodeline] Modeline 92:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[  488.038819] [drm:drm_mode_debug_printmodeline] Modeline 90:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[  488.038821] [drm:drm_mode_debug_printmodeline] Modeline 112:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  488.038822] [drm:drm_mode_debug_printmodeline] Modeline 101:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  488.038823] [drm:drm_mode_debug_printmodeline] Modeline 110:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  488.038824] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2]
>[  488.038825] [drm:intel_hdmi_detect] [CONNECTOR:58:HDMI-A-2]
>[  488.038873] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  488.038875] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first message, retry
>[  488.038923] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  488.038924] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  488.038925] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2] disconnected
>[  488.038928] [drm:drm_setup_crtcs] 
>[  488.038929] [drm:drm_enable_connectors] connector 39 enabled? yes
>[  488.038930] [drm:drm_enable_connectors] connector 47 enabled? no
>[  488.038930] [drm:drm_enable_connectors] connector 51 enabled? no
>[  488.038931] [drm:drm_enable_connectors] connector 54 enabled? yes
>[  488.038932] [drm:drm_enable_connectors] connector 58 enabled? no
>[  488.038933] [drm:intel_fb_initial_config] looking for cmdline mode on connector eDP-1
>[  488.038934] [drm:intel_fb_initial_config] looking for preferred mode on connector eDP-1 0
>[  488.038935] [drm:intel_fb_initial_config] connector eDP-1 on pipe A [CRTC:26]: 1920x1080
>[  488.038936] [drm:intel_fb_initial_config] connector DP-1 not enabled, skipping
>[  488.038937] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[  488.038938] [drm:intel_fb_initial_config] looking for cmdline mode on connector DP-2
>[  488.038938] [drm:intel_fb_initial_config] looking for preferred mode on connector DP-2 0
>[  488.038939] [drm:intel_fb_initial_config] connector DP-2 on pipe C [CRTC:36]: 1920x1200
>[  488.038940] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[  488.038941] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 26 (0,0)
>[  488.038942] [drm:drm_setup_crtcs] desired mode 1920x1200 set on crtc 36 (0,0)
>[  488.038958] [drm:intel_modeset_checks] New cdclk calculated to be atomic 288000, actual 288000
>[  488.038960] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 0.0
>[  488.038961] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:29] scaler_user index 1.4
>[  488.038962] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:34] scaler_user index 2.8
>[  488.038964] [drm:bxt_get_dpll] CRTC:26 using pre-allocated PORT PLL A
>[  488.038965] [drm:intel_reference_shared_dpll] using PORT PLL A for pipe A
>[  488.038966] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:26] scaler_user index 0.31
>[  488.038967] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:31] scaler_user index 1.31
>[  488.038968] [drm:bxt_get_dpll] CRTC:36 using pre-allocated PORT PLL C
>[  488.038968] [drm:intel_reference_shared_dpll] using PORT PLL C for pipe C
>[  488.038969] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:36] scaler_user index 2.31
>[  488.040142] [drm:intel_edp_backlight_off] 
>[  488.108512] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
>[  488.108519] [drm:intel_disable_pipe] disabling pipe A
>[  488.110614] [drm:edp_panel_off] Turn eDP port A panel power off
>[  488.110617] [drm:wait_panel_off] Wait for panel power off time
>[  488.110619] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control 00000060
>[  488.123523] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  488.123528] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  488.123535] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 0
>[  488.123545] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  488.125425] [drm:wait_panel_status] Wait complete
>[  488.125428] [drm:intel_disable_shared_dpll] disable PORT PLL A (active 1, on? 1) for crtc 26
>[  488.125433] [drm:intel_disable_shared_dpll] disabling PORT PLL A
>[  488.128617] [drm:hsw_audio_codec_disable] Disable audio codec on pipe B
>[  488.128625] [drm:intel_disable_pipe] disabling pipe B
>[  488.136845] [drm:intel_disable_shared_dpll] disable PORT PLL B (active 2, on? 1) for crtc 31
>[  488.136850] [drm:intel_disable_shared_dpll] disabling PORT PLL B
>[  488.136855] ------------[ cut here ]------------
>[  488.136869] WARNING: CPU: 0 PID: 2173 at /home/shared/kernels/drm-intel-nightly/drivers/gpu/drm/i915/intel_pm.c:3647 skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  488.136870] WARN_ON(!wm_changed)
>[  488.136871] Modules linked in:
>[  488.136871]  binfmt_misc arc4 bnep iwlmvm mac80211 x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel asix usbnet kvm mii irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep nls_iso8859_1 snd_pcm aesni_intel snd_seq_midi aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_seq_midi_event snd_rawmidi serio_raw btusb btrtl snd_seq btbcm btintel bluetooth snd_seq_device snd_timer iwlwifi mei_me snd cfg80211 shpchp mei soundcore rfkill_gpio intel_pmc_ipc tpm_crb mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid mmc_block i915 drm_kms_helper psmouse igb dca sdhci_pci sdhci syscopyarea sysfillrect sysimgblt fb_sys_fops xhci_pci xhci_hcd ptp pps_core i2c_algo_bit drm ahci libahci
>[  488.136895]  i2c_hid hid video
>[  488.136897] CPU: 0 PID: 2173 Comm: kworker/0:1 Tainted: G     U  W       4.6.0-rc3-nightly+ #1
>[  488.136898] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0131.B10.1603280005 03/28/2016
>[  488.136912] Workqueue: events i915_hotplug_work_func [i915]
>[  488.136913]  0000000000000000 ffff880270dc3970 ffffffff813b287c ffff880270dc39c0
>[  488.136914]  0000000000000000 ffff880270dc39b0 ffffffff81079cc1 00000e3f00000000
>[  488.136915]  ffff880270cf6000 ffff880270cf5000 0000000000000004 ffff880270d193a8
>[  488.136917] Call Trace:
>[  488.136919]  [<ffffffff813b287c>] dump_stack+0x63/0x87
>[  488.136921]  [<ffffffff81079cc1>] __warn+0xd1/0xf0
>[  488.136922]  [<ffffffff81079d2f>] warn_slowpath_fmt+0x4f/0x60
>[  488.136924]  [<ffffffff810d0000>] ? kmsg_dump_get_buffer+0x110/0x280
>[  488.136935]  [<ffffffffa01e7ea2>] skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  488.136946]  [<ffffffffa01e804a>] skl_update_wm+0x19a/0x6f0 [i915]
>[  488.136959]  [<ffffffffa025d8ee>] ? bxt_ddi_pll_disable+0x4e/0x60 [i915]
>[  488.136970]  [<ffffffffa01e95ee>] intel_update_watermarks+0x1e/0x30 [i915]
>[  488.136983]  [<ffffffffa025074c>] intel_atomic_commit+0x42c/0x1fa0 [i915]
>[  488.136986]  [<ffffffff811d9277>] ? kmem_cache_alloc_trace+0x187/0x210
>[  488.136996]  [<ffffffffa0078427>] ? drm_atomic_set_crtc_for_connector+0x57/0xe0 [drm]
>[  488.137004]  [<ffffffffa0079097>] drm_atomic_commit+0x37/0x60 [drm]
>[  488.137009]  [<ffffffffa01bcf0d>] restore_fbdev_mode+0x22d/0x260 [drm_kms_helper]
>[  488.137017]  [<ffffffffa0077e67>] ? drm_modeset_lock_all_ctx+0x97/0xb0 [drm]
>[  488.137022]  [<ffffffffa01befc3>] drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper]
>[  488.137025]  [<ffffffffa01bf03c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[  488.137029]  [<ffffffffa01bef42>] drm_fb_helper_hotplug_event+0xa2/0xf0 [drm_kms_helper]
>[  488.137043]  [<ffffffffa026e19e>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[  488.137046]  [<ffffffffa01b25e7>] drm_kms_helper_hotplug_event+0x27/0x30 [drm_kms_helper]
>[  488.137059]  [<ffffffffa0263c47>] i915_hotplug_work_func+0x207/0x2c0 [i915]
>[  488.137061]  [<ffffffff810a1797>] ? finish_task_switch+0x107/0x2f0
>[  488.137062]  [<ffffffff81092d50>] process_one_work+0x150/0x3f0
>[  488.137064]  [<ffffffff8109350b>] worker_thread+0x12b/0x4b0
>[  488.137065]  [<ffffffff817962d0>] ? __schedule+0x330/0x950
>[  488.137066]  [<ffffffff810933e0>] ? rescuer_thread+0x340/0x340
>[  488.137067]  [<ffffffff81098ca9>] kthread+0xc9/0xe0
>[  488.137069]  [<ffffffff8179a662>] ret_from_fork+0x22/0x40
>[  488.137070]  [<ffffffff81098be0>] ? kthread_park+0x60/0x60
>[  488.137070] ---[ end trace d209a97d99ad4caf ]---
>[  488.137074] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[  488.140855] [drm:intel_disable_pipe] disabling pipe C
>[  488.146782] [drm:intel_disable_shared_dpll] disable PORT PLL C (active 4, on? 1) for crtc 36
>[  488.146787] [drm:intel_disable_shared_dpll] disabling PORT PLL C
>[  488.149424] [drm:intel_update_cdclk] Current CD clock rate: 288000 kHz
>[  488.149425] [drm:verify_encoder_state] [ENCODER:38:TMDS-38]
>[  488.149427] [drm:verify_encoder_state] [ENCODER:46:TMDS-46]
>[  488.149428] [drm:verify_encoder_state] [ENCODER:48:DP MST-48]
>[  488.149429] [drm:verify_encoder_state] [ENCODER:49:DP MST-49]
>[  488.149430] [drm:verify_encoder_state] [ENCODER:50:DP MST-50]
>[  488.149431] [drm:verify_encoder_state] [ENCODER:53:TMDS-53]
>[  488.149431] [drm:verify_encoder_state] [ENCODER:55:DP MST-55]
>[  488.149432] [drm:verify_encoder_state] [ENCODER:56:DP MST-56]
>[  488.149433] [drm:verify_encoder_state] [ENCODER:57:DP MST-57]
>[  488.149433] [drm:intel_connector_verify_state] [CONNECTOR:47:DP-1]
>[  488.149435] [drm:intel_connector_verify_state] [CONNECTOR:51:HDMI-A-1]
>[  488.149436] [drm:intel_connector_verify_state] [CONNECTOR:58:HDMI-A-2]
>[  488.149437] [drm:verify_single_dpll_state] PORT PLL A
>[  488.149438] [drm:verify_single_dpll_state] PORT PLL B
>[  488.149439] [drm:verify_single_dpll_state] PORT PLL C
>[  488.149440] [drm:intel_enable_shared_dpll] enable PORT PLL A (active 1, on? 0) for crtc 26
>[  488.149441] [drm:intel_enable_shared_dpll] enabling PORT PLL A
>[  488.149462] [drm:edp_panel_on] Turn eDP port A panel power on
>[  488.149463] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  488.167233] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000010, dig 0x18001819, pins 0x00000020
>[  488.167243] [drm:intel_hpd_irq_handler] digital hpd port B - short
>[  488.167254] [drm:intel_dp_hpd_pulse] got hpd irq on port B - short
>[  488.264146] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control 00000060
>[  488.264148] [drm:wait_panel_status] Wait complete
>[  488.264149] [drm:wait_panel_on] Wait for panel power on
>[  488.264150] [drm:wait_panel_status] mask b000000f value 80000008 status 0000000a control 00000063
>[  488.290294] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  488.290300] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  488.290306] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 1
>[  488.321467] [drm:wait_panel_status] Wait complete
>[  488.321471] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[  488.321473] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0x0000006b
>[  488.322188] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  488.322189] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  488.322411] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  488.322987] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  488.323064] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  488.323065] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  488.323066] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  488.323067] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  488.323274] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  488.323350] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  488.323352] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  488.323353] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  488.323354] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  488.323532] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  488.323639] [drm:drm_dp_i2c_do_msg] native defer
>[  488.323687] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  488.323725] [drm:skylake_pfit_enable] for crtc_state = ffff880275599000
>[  488.323764] [drm:intel_enable_pipe] enabling pipe A
>[  488.323770] [drm:intel_edp_backlight_on] 
>[  488.323771] [drm:intel_panel_enable_backlight] pipe A
>[  488.323772] [drm:intel_panel_actually_set_backlight] set backlight PWM = 4800
>[  488.324108] [drm:drm_dp_i2c_do_msg] native defer
>[  488.324112] [drm:intel_psr_enable] PSR not supported on this platform
>[  488.324113] [drm:intel_edp_drrs_enable] Panel doesn't support DRRS
>[  488.324128] [drm:intel_enable_shared_dpll] enable PORT PLL C (active 4, on? 0) for crtc 36
>[  488.324129] [drm:intel_enable_shared_dpll] enabling PORT PLL C
>[  488.325156] [drm:drm_dp_i2c_do_msg] native defer
>[  488.325419] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  488.325420] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  488.325645] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  488.326719] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  488.326860] [drm:drm_dp_i2c_do_msg] native defer
>[  488.326899] [drm:skylake_pfit_enable] for crtc_state = ffff880274f86000
>[  488.326937] [drm:intel_enable_pipe] enabling pipe C
>[  488.327805] [drm:drm_dp_i2c_do_msg] native defer
>[  488.328235] [drm:drm_dp_i2c_do_msg] native defer
>[  488.329045] [drm:drm_dp_i2c_do_msg] native defer
>[  488.329820] [drm:drm_dp_i2c_do_msg] native defer
>[  488.330478] [drm:drm_dp_i2c_do_msg] native defer
>[  488.331041] [drm:intel_connector_verify_state] [CONNECTOR:39:eDP-1]
>[  488.331045] [drm:verify_crtc_state] [CRTC:26]
>[  488.331055] [drm:verify_single_dpll_state] PORT PLL A
>[  488.331061] [drm:verify_crtc_state] [CRTC:31]
>[  488.331065] [drm:intel_connector_verify_state] [CONNECTOR:54:DP-2]
>[  488.331066] [drm:verify_crtc_state] [CRTC:36]
>[  488.331074] [drm:verify_single_dpll_state] PORT PLL C
>[  488.331133] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
>[  488.331173] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe C FIFO underrun
>[  488.331267] [drm:i915_hotplug_work_func] running encoder hotplug functions
>[  488.331268] [drm:i915_hotplug_work_func] Connector DP-1 (pin 5) received hotplug event.
>[  488.331269] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  488.331363] [drm:drm_dp_i2c_do_msg] native defer
>[  488.332167] [drm:drm_dp_i2c_do_msg] native defer
>[  488.332987] [drm:drm_dp_i2c_do_msg] native defer
>[  488.333793] [drm:drm_dp_i2c_do_msg] native defer
>[  488.334187] [drm:drm_dp_i2c_do_msg] native defer
>[  488.335006] [drm:drm_dp_i2c_do_msg] native defer
>[  488.335812] [drm:drm_dp_i2c_do_msg] native defer
>[  488.336610] [drm:drm_dp_i2c_do_msg] native defer
>[  488.337370] [drm:drm_dp_i2c_do_msg] native defer
>[  488.338154] [drm:drm_dp_i2c_do_msg] native defer
>[  488.338938] [drm:drm_dp_i2c_do_msg] native defer
>[  488.339720] [drm:drm_dp_i2c_do_msg] native defer
>[  488.340520] [drm:drm_dp_i2c_do_msg] native defer
>[  488.341286] [drm:drm_dp_i2c_do_msg] native defer
>[  488.342109] [drm:drm_dp_i2c_do_msg] native defer
>[  488.342928] [drm:drm_dp_i2c_do_msg] native defer
>[  488.343771] [drm:drm_dp_i2c_do_msg] native defer
>[  488.344575] [drm:drm_dp_i2c_do_msg] native defer
>[  488.345376] [drm:drm_dp_i2c_do_msg] native defer
>[  488.346170] [drm:drm_dp_i2c_do_msg] native defer
>[  488.346865] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[  488.346981] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  488.347086] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  488.347162] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  488.347164] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  488.347165] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  488.347166] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  488.347343] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  488.347449] [drm:drm_dp_i2c_do_msg] native defer
>[  488.349162] [drm:drm_dp_i2c_do_msg] native defer
>[  488.350448] [drm:drm_dp_i2c_do_msg] native defer
>[  488.351215] [drm:drm_dp_i2c_do_msg] native defer
>[  488.351859] [drm:drm_dp_i2c_do_msg] native defer
>[  488.352663] [drm:drm_dp_i2c_do_msg] native defer
>[  488.353478] [drm:drm_dp_i2c_do_msg] native defer
>[  488.354252] [drm:drm_dp_i2c_do_msg] native defer
>[  488.355019] [drm:drm_dp_i2c_do_msg] native defer
>[  488.356058] [drm:drm_dp_i2c_do_msg] native defer
>[  488.356647] [drm:drm_dp_i2c_do_msg] native defer
>[  488.357479] [drm:drm_dp_i2c_do_msg] native defer
>[  488.358321] [drm:drm_dp_i2c_do_msg] native defer
>[  488.359121] [drm:drm_dp_i2c_do_msg] native defer
>[  488.359809] [drm:drm_dp_i2c_do_msg] native defer
>[  488.360652] [drm:drm_dp_i2c_do_msg] native defer
>[  488.361493] [drm:drm_dp_i2c_do_msg] native defer
>[  488.362305] [drm:drm_dp_i2c_do_msg] native defer
>[  488.363113] [drm:drm_dp_i2c_do_msg] native defer
>[  488.363884] [drm:drm_dp_i2c_do_msg] native defer
>[  488.364422] [drm:drm_dp_i2c_do_msg] native defer
>[  488.365265] [drm:drm_dp_i2c_do_msg] native defer
>[  488.366111] [drm:drm_dp_i2c_do_msg] native defer
>[  488.366931] [drm:drm_dp_i2c_do_msg] native defer
>[  488.367730] [drm:drm_dp_i2c_do_msg] native defer
>[  488.368585] [drm:drm_dp_i2c_do_msg] native defer
>[  488.369364] [drm:drm_dp_i2c_do_msg] native defer
>[  488.370208] [drm:drm_dp_i2c_do_msg] native defer
>[  488.371050] [drm:drm_dp_i2c_do_msg] native defer
>[  488.371756] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[  488.371871] [drm:intel_hpd_irq_event] [CONNECTOR:47:DP-1] status updated from disconnected to connected
>[  488.371872] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 5) received hotplug event.
>[  488.371873] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  488.371922] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  488.371924] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  488.371972] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  488.371974] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  488.373191] [drm:drm_fb_helper_hotplug_event] 
>[  488.373193] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1]
>[  488.373195] [drm:intel_dp_detect] [CONNECTOR:39:eDP-1]
>[  488.373275] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  488.373349] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  488.373434] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  488.373436] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1] probed modes :
>[  488.373438] [drm:drm_mode_debug_printmodeline] Modeline 40:"1920x1080" 60 138120 1920 1968 2018 2052 1080 1084 1086 1122 0x48 0xa
>[  488.373439] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1]
>[  488.373440] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  488.373541] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  488.373614] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  488.373616] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  488.373617] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  488.373618] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  488.373792] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  488.373919] [drm:drm_edid_to_eld] ELD monitor ASUS PB287Q
>[  488.373921] [drm:parse_hdmi_vsdb] HDMI: DVI dual 0, max TMDS clock 300, latency present 0 0, video latency 0 1, audio latency 96 2
>[  488.373922] [drm:drm_edid_to_eld] ELD size 36, SAD count 1
>[  488.373941] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1] probed modes :
>[  488.373942] [drm:drm_mode_debug_printmodeline] Modeline 65:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[  488.373944] [drm:drm_mode_debug_printmodeline] Modeline 118:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[  488.373945] [drm:drm_mode_debug_printmodeline] Modeline 135:"3840x2160" 30 296703 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[  488.373946] [drm:drm_mode_debug_printmodeline] Modeline 119:"3840x2160" 25 297000 3840 4896 4984 5280 2160 2168 2178 2250 0x40 0x5
>[  488.373947] [drm:drm_mode_debug_printmodeline] Modeline 120:"3840x2160" 24 297000 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[  488.373949] [drm:drm_mode_debug_printmodeline] Modeline 136:"3840x2160" 24 296703 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[  488.373950] [drm:drm_mode_debug_printmodeline] Modeline 68:"2560x1600" 60 268500 2560 2608 2640 2720 1600 1603 1609 1646 0x40 0x9
>[  488.373951] [drm:drm_mode_debug_printmodeline] Modeline 67:"2560x1440" 60 241500 2560 2608 2640 2720 1440 1443 1448 1481 0x40 0x5
>[  488.373952] [drm:drm_mode_debug_printmodeline] Modeline 66:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  488.373954] [drm:drm_mode_debug_printmodeline] Modeline 121:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  488.373955] [drm:drm_mode_debug_printmodeline] Modeline 107:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  488.373956] [drm:drm_mode_debug_printmodeline] Modeline 129:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  488.373958] [drm:drm_mode_debug_printmodeline] Modeline 114:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[  488.373959] [drm:drm_mode_debug_printmodeline] Modeline 106:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[  488.373960] [drm:drm_mode_debug_printmodeline] Modeline 117:"1920x1080" 30 74250 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  488.373961] [drm:drm_mode_debug_printmodeline] Modeline 134:"1920x1080" 30 74176 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  488.373963] [drm:drm_mode_debug_printmodeline] Modeline 116:"1920x1080" 24 74250 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[  488.373964] [drm:drm_mode_debug_printmodeline] Modeline 133:"1920x1080" 24 74176 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[  488.373965] [drm:drm_mode_debug_printmodeline] Modeline 74:"1680x1050" 60 119000 1680 1728 1760 1840 1050 1053 1059 1080 0x40 0x9
>[  488.373966] [drm:drm_mode_debug_printmodeline] Modeline 84:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  488.373968] [drm:drm_mode_debug_printmodeline] Modeline 72:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  488.373969] [drm:drm_mode_debug_printmodeline] Modeline 73:"1440x900" 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
>[  488.373970] [drm:drm_mode_debug_printmodeline] Modeline 71:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[  488.373972] [drm:drm_mode_debug_printmodeline] Modeline 75:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[  488.373973] [drm:drm_mode_debug_printmodeline] Modeline 76:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  488.373974] [drm:drm_mode_debug_printmodeline] Modeline 123:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  488.373975] [drm:drm_mode_debug_printmodeline] Modeline 69:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[  488.373977] [drm:drm_mode_debug_printmodeline] Modeline 111:"1440x576" 50 54000 1440 1464 1592 1728 576 581 586 625 0x40 0xa
>[  488.373978] [drm:drm_mode_debug_printmodeline] Modeline 85:"1024x768" 75 78750 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  488.373980] [drm:drm_mode_debug_printmodeline] Modeline 86:"1024x768" 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
>[  488.373981] [drm:drm_mode_debug_printmodeline] Modeline 87:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  488.373982] [drm:drm_mode_debug_printmodeline] Modeline 130:"1440x480" 60 54054 1440 1472 1596 1716 480 489 495 525 0x40 0xa
>[  488.373983] [drm:drm_mode_debug_printmodeline] Modeline 108:"1440x480" 60 54000 1440 1472 1596 1716 480 489 495 525 0x40 0xa
>[  488.373985] [drm:drm_mode_debug_printmodeline] Modeline 88:"832x624" 75 57284 832 864 928 1152 624 625 628 667 0x40 0xa
>[  488.373986] [drm:drm_mode_debug_printmodeline] Modeline 94:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  488.373987] [drm:drm_mode_debug_printmodeline] Modeline 95:"800x600" 72 50000 800 856 976 1040 600 637 643 666 0x40 0x5
>[  488.373988] [drm:drm_mode_debug_printmodeline] Modeline 77:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  488.373990] [drm:drm_mode_debug_printmodeline] Modeline 78:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[  488.373991] [drm:drm_mode_debug_printmodeline] Modeline 70:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  488.373992] [drm:drm_mode_debug_printmodeline] Modeline 126:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  488.373993] [drm:drm_mode_debug_printmodeline] Modeline 98:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  488.373995] [drm:drm_mode_debug_printmodeline] Modeline 79:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  488.373996] [drm:drm_mode_debug_printmodeline] Modeline 80:"640x480" 73 31500 640 664 704 832 480 489 492 520 0x40 0xa
>[  488.373997] [drm:drm_mode_debug_printmodeline] Modeline 81:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  488.373998] [drm:drm_mode_debug_printmodeline] Modeline 124:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  488.374000] [drm:drm_mode_debug_printmodeline] Modeline 82:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  488.374001] [drm:drm_mode_debug_printmodeline] Modeline 83:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  488.374002] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1]
>[  488.374003] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  488.374053] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  488.374054] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  488.374102] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  488.374104] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  488.374105] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1] disconnected
>[  488.374106] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2]
>[  488.374108] [drm:intel_dp_detect] [CONNECTOR:54:DP-2]
>[  488.374209] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 01 00 00 01 00 02 02 06 00 00 00 00
>[  488.374280] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink no
>[  488.374282] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  488.374283] [drm:intel_dp_print_rates] sink rates: 162000, 270000
>[  488.374284] [drm:intel_dp_print_rates] common rates: 162000, 270000
>[  488.374371] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  488.374374] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2] probed modes :
>[  488.374376] [drm:drm_mode_debug_printmodeline] Modeline 89:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  488.374377] [drm:drm_mode_debug_printmodeline] Modeline 99:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0xa
>[  488.374378] [drm:drm_mode_debug_printmodeline] Modeline 93:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[  488.374380] [drm:drm_mode_debug_printmodeline] Modeline 97:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  488.374381] [drm:drm_mode_debug_printmodeline] Modeline 91:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  488.374382] [drm:drm_mode_debug_printmodeline] Modeline 92:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[  488.374383] [drm:drm_mode_debug_printmodeline] Modeline 90:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[  488.374385] [drm:drm_mode_debug_printmodeline] Modeline 112:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  488.374386] [drm:drm_mode_debug_printmodeline] Modeline 101:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  488.374387] [drm:drm_mode_debug_printmodeline] Modeline 110:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  488.374388] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2]
>[  488.374389] [drm:intel_hdmi_detect] [CONNECTOR:58:HDMI-A-2]
>[  488.374438] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  488.374440] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first message, retry
>[  488.374488] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  488.374489] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  488.374490] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2] disconnected
>[  488.374493] [drm:drm_setup_crtcs] 
>[  488.374494] [drm:drm_enable_connectors] connector 39 enabled? yes
>[  488.374495] [drm:drm_enable_connectors] connector 47 enabled? yes
>[  488.374495] [drm:drm_enable_connectors] connector 51 enabled? no
>[  488.374496] [drm:drm_enable_connectors] connector 54 enabled? yes
>[  488.374497] [drm:drm_enable_connectors] connector 58 enabled? no
>[  488.374498] [drm:intel_fb_initial_config] looking for cmdline mode on connector eDP-1
>[  488.374499] [drm:intel_fb_initial_config] looking for preferred mode on connector eDP-1 0
>[  488.374500] [drm:intel_fb_initial_config] connector eDP-1 on pipe A [CRTC:26]: 1920x1080
>[  488.374501] [drm:intel_fb_initial_config] connector DP-1 has no encoder or crtc, skipping
>[  488.374502] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[  488.374503] [drm:intel_fb_initial_config] looking for cmdline mode on connector DP-2
>[  488.374504] [drm:intel_fb_initial_config] looking for preferred mode on connector DP-2 0
>[  488.374505] [drm:intel_fb_initial_config] connector DP-2 on pipe C [CRTC:36]: 1920x1200
>[  488.374505] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[  488.374506] [drm:intel_fb_initial_config] fallback: Not all outputs enabled
>[  488.374507] [drm:intel_fb_initial_config] Enabled: 2, detected: 3
>[  488.374507] [drm:intel_fb_initial_config] Not using firmware configuration
>[  488.374508] [drm:drm_target_preferred] looking for cmdline mode on connector 39
>[  488.374509] [drm:drm_target_preferred] looking for preferred mode on connector 39 0
>[  488.374510] [drm:drm_target_preferred] found mode 1920x1080
>[  488.374510] [drm:drm_target_preferred] looking for cmdline mode on connector 47
>[  488.374511] [drm:drm_target_preferred] looking for preferred mode on connector 47 0
>[  488.374512] [drm:drm_target_preferred] found mode 3840x2160
>[  488.374512] [drm:drm_target_preferred] looking for cmdline mode on connector 54
>[  488.374513] [drm:drm_target_preferred] looking for preferred mode on connector 54 0
>[  488.374514] [drm:drm_target_preferred] found mode 1920x1200
>[  488.374514] [drm:drm_setup_crtcs] picking CRTCs for 8192x8192 config
>[  488.374518] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 26 (0,0)
>[  488.374520] [drm:drm_setup_crtcs] desired mode 3840x2160 set on crtc 31 (0,0)
>[  488.374521] [drm:drm_setup_crtcs] desired mode 1920x1200 set on crtc 36 (0,0)
>[  488.374535] [drm:connected_sink_compute_bpp] [CONNECTOR:47:DP-1] checking for sink bpp constrains
>[  488.374536] [drm:connected_sink_compute_bpp] clamping display bpp (was 36) to EDID reported max of 24
>[  488.374537] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 540000 pixel clock 297000KHz
>[  488.374540] [drm:intel_dp_compute_config] DP link bw 0a rate select 00 lane count 4 clock 270000 bpp 24
>[  488.374541] [drm:intel_dp_compute_config] DP link bw required 712800 available 864000
>[  488.374542] [drm:intel_modeset_pipe_config] hw max bpp: 36, pipe bpp: 24, dithering: 0
>[  488.374543] [drm:intel_dump_pipe_config] [CRTC:31][modeset] config ffff880274f81000 for pipe B
>[  488.374544] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[  488.374544] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[  488.374545] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  488.374547] [drm:intel_dump_pipe_config] dp: 1, lanes: 4, gmch_m: 6920601, gmch_n: 8388608, link_m: 576716, link_n: 524288, tu: 64
>[  488.374548] [drm:intel_dump_pipe_config] dp: 1, lanes: 4, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  488.374548] [drm:intel_dump_pipe_config] audio: 1, infoframes: 0
>[  488.374549] [drm:intel_dump_pipe_config] requested mode:
>[  488.374550] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[  488.374551] [drm:intel_dump_pipe_config] adjusted mode:
>[  488.374552] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[  488.374553] [drm:intel_dump_crtc_timings] crtc timings: 297000 3840 4016 4104 4400 2160 2168 2178 2250, type: 0x48 flags: 0x9
>[  488.374554] [drm:intel_dump_pipe_config] port clock: 270000
>[  488.374555] [drm:intel_dump_pipe_config] pipe src size: 3840x2160
>[  488.374556] [drm:intel_dump_pipe_config] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  488.374556] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  488.374557] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  488.374558] [drm:intel_dump_pipe_config] ips: 0
>[  488.374558] [drm:intel_dump_pipe_config] double wide: 0
>[  488.374560] [drm:intel_dump_pipe_config] ddi_pll_sel: 1; dpll_hw_state: ebb0: 0x8100, ebb4: 0x2000,pll0: 0x1b, pll1: 0x100, pll2: 0x0, pll3: 0x0, pll6: 0x10803, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  488.374560] [drm:intel_dump_pipe_config] planes on this crtc
>[  488.374561] [drm:intel_dump_pipe_config] STANDARD PLANE:29 plane: 1.0 idx: 4 disabled, scaler_id = -1
>[  488.374562] [drm:intel_dump_pipe_config] CURSOR PLANE:30 plane: 1.2 idx: 5 disabled, scaler_id = -1
>[  488.374563] [drm:intel_dump_pipe_config] STANDARD PLANE:32 plane: 1.1 idx: 6 disabled, scaler_id = -1
>[  488.374564] [drm:intel_dump_pipe_config] STANDARD PLANE:33 plane: 1.2 idx: 7 disabled, scaler_id = -1
>[  488.374566] [drm:intel_modeset_checks] New cdclk calculated to be atomic 384000, actual 384000
>[  488.374568] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 0.0
>[  488.374570] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:29] scaler_user index 1.4
>[  488.374571] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:34] scaler_user index 2.8
>[  488.374572] [drm:bxt_get_dpll] CRTC:26 using pre-allocated PORT PLL A
>[  488.374573] [drm:intel_reference_shared_dpll] using PORT PLL A for pipe A
>[  488.374574] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:26] scaler_user index 0.31
>[  488.374575] [drm:bxt_get_dpll] CRTC:31 using pre-allocated PORT PLL B
>[  488.374576] [drm:intel_reference_shared_dpll] using PORT PLL B for pipe B
>[  488.374577] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:31] scaler_user index 1.31
>[  488.374578] [drm:bxt_get_dpll] CRTC:36 using pre-allocated PORT PLL C
>[  488.374578] [drm:intel_reference_shared_dpll] using PORT PLL C for pipe C
>[  488.374579] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:36] scaler_user index 2.31
>[  488.379742] [drm:intel_edp_backlight_off] 
>[  488.434076] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
>[  488.434084] [drm:intel_disable_pipe] disabling pipe A
>[  488.438264] [drm:edp_panel_off] Turn eDP port A panel power off
>[  488.438267] [drm:wait_panel_off] Wait for panel power off time
>[  488.438269] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control 00000060
>[  488.451164] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  488.451170] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  488.451176] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 0
>[  488.451187] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  488.451605] [drm:wait_panel_status] Wait complete
>[  488.451608] [drm:intel_disable_shared_dpll] disable PORT PLL A (active 1, on? 1) for crtc 26
>[  488.451615] [drm:intel_disable_shared_dpll] disabling PORT PLL A
>[  488.452726] [drm:intel_disable_pipe] disabling pipe C
>[  488.458816] [drm:intel_disable_shared_dpll] disable PORT PLL C (active 4, on? 1) for crtc 36
>[  488.458821] [drm:intel_disable_shared_dpll] disabling PORT PLL C
>[  488.462402] [drm:intel_update_cdclk] Current CD clock rate: 384000 kHz
>[  488.462404] [drm:verify_encoder_state] [ENCODER:38:TMDS-38]
>[  488.462405] [drm:verify_encoder_state] [ENCODER:46:TMDS-46]
>[  488.462406] [drm:verify_encoder_state] [ENCODER:48:DP MST-48]
>[  488.462407] [drm:verify_encoder_state] [ENCODER:49:DP MST-49]
>[  488.462407] [drm:verify_encoder_state] [ENCODER:50:DP MST-50]
>[  488.462408] [drm:verify_encoder_state] [ENCODER:53:TMDS-53]
>[  488.462409] [drm:verify_encoder_state] [ENCODER:55:DP MST-55]
>[  488.462409] [drm:verify_encoder_state] [ENCODER:56:DP MST-56]
>[  488.462410] [drm:verify_encoder_state] [ENCODER:57:DP MST-57]
>[  488.462411] [drm:intel_connector_verify_state] [CONNECTOR:51:HDMI-A-1]
>[  488.462413] [drm:intel_connector_verify_state] [CONNECTOR:58:HDMI-A-2]
>[  488.462414] [drm:verify_single_dpll_state] PORT PLL A
>[  488.462415] [drm:verify_single_dpll_state] PORT PLL B
>[  488.462416] [drm:verify_single_dpll_state] PORT PLL C
>[  488.462417] [drm:intel_enable_shared_dpll] enable PORT PLL A (active 1, on? 0) for crtc 26
>[  488.462418] [drm:intel_enable_shared_dpll] enabling PORT PLL A
>[  488.462439] [drm:edp_panel_on] Turn eDP port A panel power on
>[  488.462440] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  488.575392] [drm:wait_panel_status] mask b800000f value 00000000 status 08000001 control 00000060
>[  488.604182] [drm:wait_panel_status] Wait complete
>[  488.604184] [drm:wait_panel_on] Wait for panel power on
>[  488.604186] [drm:wait_panel_status] mask b000000f value 80000008 status 0000000a control 00000063
>[  488.630314] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  488.630324] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  488.630325] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 1
>[  488.630334] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  488.653961] [drm:wait_panel_status] Wait complete
>[  488.653965] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[  488.653967] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0x0000006b
>[  488.654738] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  488.654739] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  488.654957] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  488.657075] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  488.657113] [drm:skylake_pfit_enable] for crtc_state = ffff880274f82000
>[  488.657152] [drm:intel_enable_pipe] enabling pipe A
>[  488.657158] [drm:intel_edp_backlight_on] 
>[  488.657159] [drm:intel_panel_enable_backlight] pipe A
>[  488.657160] [drm:intel_panel_actually_set_backlight] set backlight PWM = 4800
>[  488.657162] [drm:intel_psr_enable] PSR not supported on this platform
>[  488.657163] [drm:intel_edp_drrs_enable] Panel doesn't support DRRS
>[  488.657178] [drm:intel_enable_shared_dpll] enable PORT PLL B (active 2, on? 0) for crtc 31
>[  488.657178] [drm:intel_enable_shared_dpll] enabling PORT PLL B
>[  488.657910] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  488.657911] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  488.660071] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  488.663400] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  488.663442] [drm:skylake_pfit_enable] for crtc_state = ffff880274f81000
>[  488.663483] ------------[ cut here ]------------
>[  488.663498] WARNING: CPU: 0 PID: 2173 at /home/shared/kernels/drm-intel-nightly/drivers/gpu/drm/i915/intel_pm.c:3647 skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  488.663498] WARN_ON(!wm_changed)
>[  488.663499] Modules linked in:
>[  488.663500]  binfmt_misc arc4 bnep iwlmvm mac80211 x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel asix usbnet kvm mii irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep nls_iso8859_1 snd_pcm aesni_intel snd_seq_midi aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_seq_midi_event snd_rawmidi serio_raw btusb btrtl snd_seq btbcm btintel bluetooth snd_seq_device snd_timer iwlwifi mei_me snd cfg80211 shpchp mei soundcore rfkill_gpio intel_pmc_ipc tpm_crb mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid mmc_block i915 drm_kms_helper psmouse igb dca sdhci_pci sdhci syscopyarea sysfillrect sysimgblt fb_sys_fops xhci_pci xhci_hcd ptp pps_core i2c_algo_bit drm ahci libahci
>[  488.663523]  i2c_hid hid video
>[  488.663525] CPU: 0 PID: 2173 Comm: kworker/0:1 Tainted: G     U  W       4.6.0-rc3-nightly+ #1
>[  488.663526] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0131.B10.1603280005 03/28/2016
>[  488.663540] Workqueue: events i915_hotplug_work_func [i915]
>[  488.663541]  0000000000000000 ffff880270dc38f8 ffffffff813b287c ffff880270dc3948
>[  488.663543]  0000000000000000 ffff880270dc3938 ffffffff81079cc1 00000e3f00000000
>[  488.663544]  ffff880270cf4000 ffff880270cf5000 0000000000000004 ffff880270d193a8
>[  488.663545] Call Trace:
>[  488.663548]  [<ffffffff813b287c>] dump_stack+0x63/0x87
>[  488.663550]  [<ffffffff81079cc1>] __warn+0xd1/0xf0
>[  488.663551]  [<ffffffff81079d2f>] warn_slowpath_fmt+0x4f/0x60
>[  488.663562]  [<ffffffffa01e7ea2>] skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  488.663573]  [<ffffffffa01e804a>] skl_update_wm+0x19a/0x6f0 [i915]
>[  488.663587]  [<ffffffffa02744d0>] ? intel_ddi_enable_transcoder_func+0x170/0x240 [i915]
>[  488.663598]  [<ffffffffa01e95ee>] intel_update_watermarks+0x1e/0x30 [i915]
>[  488.663611]  [<ffffffffa025686d>] haswell_crtc_enable+0x45d/0x900 [i915]
>[  488.663624]  [<ffffffffa024263e>] ? intel_finish_crtc_commit+0xe/0x10 [i915]
>[  488.663629]  [<ffffffffa01bbc99>] ? drm_atomic_helper_commit_planes_on_crtc+0x169/0x230 [drm_kms_helper]
>[  488.663642]  [<ffffffffa0251655>] intel_atomic_commit+0x1335/0x1fa0 [i915]
>[  488.663645]  [<ffffffff811d9277>] ? kmem_cache_alloc_trace+0x187/0x210
>[  488.663654]  [<ffffffffa0078427>] ? drm_atomic_set_crtc_for_connector+0x57/0xe0 [drm]
>[  488.663663]  [<ffffffffa0079097>] drm_atomic_commit+0x37/0x60 [drm]
>[  488.663666]  [<ffffffffa01bcf0d>] restore_fbdev_mode+0x22d/0x260 [drm_kms_helper]
>[  488.663675]  [<ffffffffa0077e67>] ? drm_modeset_lock_all_ctx+0x97/0xb0 [drm]
>[  488.663679]  [<ffffffffa01befc3>] drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper]
>[  488.663683]  [<ffffffffa01bf03c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[  488.663686]  [<ffffffffa01bef42>] drm_fb_helper_hotplug_event+0xa2/0xf0 [drm_kms_helper]
>[  488.663700]  [<ffffffffa026e19e>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[  488.663703]  [<ffffffffa01b25e7>] drm_kms_helper_hotplug_event+0x27/0x30 [drm_kms_helper]
>[  488.663717]  [<ffffffffa0263c47>] i915_hotplug_work_func+0x207/0x2c0 [i915]
>[  488.663718]  [<ffffffff810a1797>] ? finish_task_switch+0x107/0x2f0
>[  488.663720]  [<ffffffff81092d50>] process_one_work+0x150/0x3f0
>[  488.663721]  [<ffffffff8109361d>] worker_thread+0x23d/0x4b0
>[  488.663722]  [<ffffffff817962d0>] ? __schedule+0x330/0x950
>[  488.663724]  [<ffffffff810933e0>] ? rescuer_thread+0x340/0x340
>[  488.663724]  [<ffffffff81098ca9>] kthread+0xc9/0xe0
>[  488.663726]  [<ffffffff8179a662>] ret_from_fork+0x22/0x40
>[  488.663727]  [<ffffffff81098be0>] ? kthread_park+0x60/0x60
>[  488.663738] ---[ end trace d209a97d99ad4cb0 ]---
>[  488.663743] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[  488.663744] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[  488.663747] [drm:intel_enable_pipe] enabling pipe B
>[  488.664050] [drm:intel_audio_codec_enable] ELD on [CONNECTOR:47:DP-1], [ENCODER:46:TMDS-46]
>[  488.664052] [drm:hsw_audio_codec_enable] Enable audio codec on pipe B, 36 bytes ELD
>[  488.664075] [drm:intel_enable_shared_dpll] enable PORT PLL C (active 4, on? 0) for crtc 36
>[  488.664076] [drm:intel_enable_shared_dpll] enabling PORT PLL C
>[  488.666008] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  488.666010] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  488.666235] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  488.669927] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  488.669967] [drm:skylake_pfit_enable] for crtc_state = ffff880274f87000
>[  488.670007] [drm:intel_enable_pipe] enabling pipe C
>[  488.670754] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000010, dig 0x18001819, pins 0x00000020
>[  488.670760] [drm:intel_hpd_irq_handler] digital hpd port B - short
>[  488.670772] [drm:intel_dp_hpd_pulse] got hpd irq on port B - short
>[  488.670876] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  488.670953] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  488.670955] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  488.670956] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  488.670957] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  488.674120] [drm:intel_connector_verify_state] [CONNECTOR:39:eDP-1]
>[  488.674124] [drm:verify_crtc_state] [CRTC:26]
>[  488.674136] [drm:verify_single_dpll_state] PORT PLL A
>[  488.674145] [drm:intel_connector_verify_state] [CONNECTOR:47:DP-1]
>[  488.674146] [drm:verify_crtc_state] [CRTC:31]
>[  488.674153] [drm:verify_single_dpll_state] PORT PLL B
>[  488.674176] [drm:verify_wm_state.isra.86 [i915]] *ERROR* mismatch in DDB state pipe C plane 1 (expected (254,500), found (0,246))
>[  488.674235] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
>[  488.674249] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe C FIFO underrun
>[  488.674312] [drm:verify_wm_state.isra.86 [i915]] *ERROR* mismatch in DDB state pipe C cursor (expected (500,508), found (246,254))
>[  488.674344] [drm:intel_connector_verify_state] [CONNECTOR:54:DP-2]
>[  488.674427] [drm:verify_crtc_state] [CRTC:36]
>[  488.674435] [drm:verify_single_dpll_state] PORT PLL C
>[  488.674452] [drm:i915_hotplug_work_func] running encoder hotplug functions
>[  488.674453] [drm:i915_hotplug_work_func] Connector DP-1 (pin 5) received hotplug event.
>[  488.674454] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  488.674906] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  488.674982] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  488.674983] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  488.674984] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  488.674985] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  488.675163] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  488.675249] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 5) received hotplug event.
>[  488.675250] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  488.675300] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  488.675301] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  488.675350] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  488.675352] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  488.677491] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun
>[  489.282382] [drm:edp_panel_vdd_off_sync] Turning eDP port A VDD off
>[  489.282385] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0x00000067
>[  544.195332] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000010, dig 0x18001819, pins 0x00000020
>[  544.195341] [drm:intel_hpd_irq_handler] digital hpd port B - short
>[  544.195568] [drm:intel_dp_hpd_pulse] got hpd irq on port B - short
>[  544.195676] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  544.195854] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  544.195932] [drm:i915_hotplug_work_func] running encoder hotplug functions
>[  544.195934] [drm:i915_hotplug_work_func] Connector DP-1 (pin 5) received hotplug event.
>[  544.195935] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  544.196037] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  544.196113] [drm:intel_hpd_irq_event] [CONNECTOR:47:DP-1] status updated from connected to disconnected
>[  544.196114] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 5) received hotplug event.
>[  544.196115] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  544.196165] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  544.196167] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  544.196215] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  544.196216] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  544.196229] [drm:drm_fb_helper_hotplug_event] 
>[  544.196230] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1]
>[  544.196231] [drm:intel_dp_detect] [CONNECTOR:39:eDP-1]
>[  544.196233] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[  544.196234] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0x0000006f
>[  544.196994] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000010, dig 0x18001819, pins 0x00000020
>[  544.196996] [drm:intel_hpd_irq_handler] digital hpd port B - short
>[  544.197438] [drm:intel_dp_hpd_pulse] got hpd irq on port B - short
>[  544.198213] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  544.198290] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  544.198379] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  544.198382] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1] probed modes :
>[  544.198383] [drm:drm_mode_debug_printmodeline] Modeline 40:"1920x1080" 60 138120 1920 1968 2018 2052 1080 1084 1086 1122 0x48 0xa
>[  544.198385] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1]
>[  544.198387] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  544.198493] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  544.198670] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  544.198849] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  544.198926] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1] disconnected
>[  544.198930] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1]
>[  544.198931] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  544.198982] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  544.198983] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  544.199032] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  544.199033] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  544.199035] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1] disconnected
>[  544.199036] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2]
>[  544.199037] [drm:intel_dp_detect] [CONNECTOR:54:DP-2]
>[  544.199138] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 01 00 00 01 00 02 02 06 00 00 00 00
>[  544.199210] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink no
>[  544.199212] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  544.199213] [drm:intel_dp_print_rates] sink rates: 162000, 270000
>[  544.199214] [drm:intel_dp_print_rates] common rates: 162000, 270000
>[  544.199301] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  544.199304] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2] probed modes :
>[  544.199306] [drm:drm_mode_debug_printmodeline] Modeline 89:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  544.199307] [drm:drm_mode_debug_printmodeline] Modeline 99:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0xa
>[  544.199309] [drm:drm_mode_debug_printmodeline] Modeline 93:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[  544.199310] [drm:drm_mode_debug_printmodeline] Modeline 97:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  544.199311] [drm:drm_mode_debug_printmodeline] Modeline 91:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  544.199312] [drm:drm_mode_debug_printmodeline] Modeline 92:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[  544.199314] [drm:drm_mode_debug_printmodeline] Modeline 90:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[  544.199315] [drm:drm_mode_debug_printmodeline] Modeline 112:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  544.199316] [drm:drm_mode_debug_printmodeline] Modeline 101:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  544.199317] [drm:drm_mode_debug_printmodeline] Modeline 110:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  544.199318] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2]
>[  544.199319] [drm:intel_hdmi_detect] [CONNECTOR:58:HDMI-A-2]
>[  544.199368] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  544.199369] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first message, retry
>[  544.199418] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  544.199420] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  544.199421] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2] disconnected
>[  544.199424] [drm:drm_setup_crtcs] 
>[  544.199425] [drm:drm_enable_connectors] connector 39 enabled? yes
>[  544.199426] [drm:drm_enable_connectors] connector 47 enabled? no
>[  544.199426] [drm:drm_enable_connectors] connector 51 enabled? no
>[  544.199427] [drm:drm_enable_connectors] connector 54 enabled? yes
>[  544.199428] [drm:drm_enable_connectors] connector 58 enabled? no
>[  544.199429] [drm:intel_fb_initial_config] looking for cmdline mode on connector eDP-1
>[  544.199430] [drm:intel_fb_initial_config] looking for preferred mode on connector eDP-1 0
>[  544.199431] [drm:intel_fb_initial_config] connector eDP-1 on pipe A [CRTC:26]: 1920x1080
>[  544.199432] [drm:intel_fb_initial_config] connector DP-1 not enabled, skipping
>[  544.199433] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[  544.199434] [drm:intel_fb_initial_config] looking for cmdline mode on connector DP-2
>[  544.199434] [drm:intel_fb_initial_config] looking for preferred mode on connector DP-2 0
>[  544.199435] [drm:intel_fb_initial_config] connector DP-2 on pipe C [CRTC:36]: 1920x1200
>[  544.199436] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[  544.199437] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 26 (0,0)
>[  544.199439] [drm:drm_setup_crtcs] desired mode 1920x1200 set on crtc 36 (0,0)
>[  544.199454] [drm:intel_modeset_checks] New cdclk calculated to be atomic 288000, actual 288000
>[  544.199456] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 0.0
>[  544.199458] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:29] scaler_user index 1.4
>[  544.199459] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:34] scaler_user index 2.8
>[  544.199460] [drm:bxt_get_dpll] CRTC:26 using pre-allocated PORT PLL A
>[  544.199461] [drm:intel_reference_shared_dpll] using PORT PLL A for pipe A
>[  544.199462] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:26] scaler_user index 0.31
>[  544.199463] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:31] scaler_user index 1.31
>[  544.199464] [drm:bxt_get_dpll] CRTC:36 using pre-allocated PORT PLL C
>[  544.199465] [drm:intel_reference_shared_dpll] using PORT PLL C for pipe C
>[  544.199466] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:36] scaler_user index 2.31
>[  544.201774] [drm:intel_edp_backlight_off] 
>[  544.258486] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
>[  544.258494] [drm:intel_disable_pipe] disabling pipe A
>[  544.262237] [drm:edp_panel_off] Turn eDP port A panel power off
>[  544.262240] [drm:wait_panel_off] Wait for panel power off time
>[  544.262241] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control 00000060
>[  544.275148] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  544.275153] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  544.275159] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 0
>[  544.275171] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  544.284090] [drm:wait_panel_status] Wait complete
>[  544.284093] [drm:intel_disable_shared_dpll] disable PORT PLL A (active 1, on? 1) for crtc 26
>[  544.284099] [drm:intel_disable_shared_dpll] disabling PORT PLL A
>[  544.292179] [drm:hsw_audio_codec_disable] Disable audio codec on pipe B
>[  544.292188] [drm:intel_disable_pipe] disabling pipe B
>[  544.300358] [drm:intel_disable_shared_dpll] disable PORT PLL B (active 2, on? 1) for crtc 31
>[  544.300363] [drm:intel_disable_shared_dpll] disabling PORT PLL B
>[  544.300367] ------------[ cut here ]------------
>[  544.300382] WARNING: CPU: 0 PID: 2173 at /home/shared/kernels/drm-intel-nightly/drivers/gpu/drm/i915/intel_pm.c:3647 skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  544.300383] WARN_ON(!wm_changed)
>[  544.300383] Modules linked in:
>[  544.300384]  binfmt_misc arc4 bnep iwlmvm mac80211 x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel asix usbnet kvm mii irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep nls_iso8859_1 snd_pcm aesni_intel snd_seq_midi aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_seq_midi_event snd_rawmidi serio_raw btusb btrtl snd_seq btbcm btintel bluetooth snd_seq_device snd_timer iwlwifi mei_me snd cfg80211 shpchp mei soundcore rfkill_gpio intel_pmc_ipc tpm_crb mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid mmc_block i915 drm_kms_helper psmouse igb dca sdhci_pci sdhci syscopyarea sysfillrect sysimgblt fb_sys_fops xhci_pci xhci_hcd ptp pps_core i2c_algo_bit drm ahci libahci
>[  544.300408]  i2c_hid hid video
>[  544.300410] CPU: 0 PID: 2173 Comm: kworker/0:1 Tainted: G     U  W       4.6.0-rc3-nightly+ #1
>[  544.300410] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0131.B10.1603280005 03/28/2016
>[  544.300425] Workqueue: events i915_hotplug_work_func [i915]
>[  544.300426]  0000000000000000 ffff880270dc3970 ffffffff813b287c ffff880270dc39c0
>[  544.300427]  0000000000000000 ffff880270dc39b0 ffffffff81079cc1 00000e3f00000000
>[  544.300429]  ffff880270cf6000 ffff880270cf5000 0000000000000004 ffff880270d193a8
>[  544.300430] Call Trace:
>[  544.300433]  [<ffffffff813b287c>] dump_stack+0x63/0x87
>[  544.300434]  [<ffffffff81079cc1>] __warn+0xd1/0xf0
>[  544.300435]  [<ffffffff81079d2f>] warn_slowpath_fmt+0x4f/0x60
>[  544.300437]  [<ffffffff810d0000>] ? kmsg_dump_get_buffer+0x110/0x280
>[  544.300448]  [<ffffffffa01e7ea2>] skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  544.300459]  [<ffffffffa01e804a>] skl_update_wm+0x19a/0x6f0 [i915]
>[  544.300473]  [<ffffffffa025d8ee>] ? bxt_ddi_pll_disable+0x4e/0x60 [i915]
>[  544.300484]  [<ffffffffa01e95ee>] intel_update_watermarks+0x1e/0x30 [i915]
>[  544.300497]  [<ffffffffa025074c>] intel_atomic_commit+0x42c/0x1fa0 [i915]
>[  544.300499]  [<ffffffff811d9277>] ? kmem_cache_alloc_trace+0x187/0x210
>[  544.300509]  [<ffffffffa0078427>] ? drm_atomic_set_crtc_for_connector+0x57/0xe0 [drm]
>[  544.300517]  [<ffffffffa0079097>] drm_atomic_commit+0x37/0x60 [drm]
>[  544.300522]  [<ffffffffa01bcf0d>] restore_fbdev_mode+0x22d/0x260 [drm_kms_helper]
>[  544.300530]  [<ffffffffa0077e67>] ? drm_modeset_lock_all_ctx+0x97/0xb0 [drm]
>[  544.300534]  [<ffffffffa01befc3>] drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper]
>[  544.300538]  [<ffffffffa01bf03c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[  544.300542]  [<ffffffffa01bef42>] drm_fb_helper_hotplug_event+0xa2/0xf0 [drm_kms_helper]
>[  544.300555]  [<ffffffffa026e19e>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[  544.300559]  [<ffffffffa01b25e7>] drm_kms_helper_hotplug_event+0x27/0x30 [drm_kms_helper]
>[  544.300572]  [<ffffffffa0263c47>] i915_hotplug_work_func+0x207/0x2c0 [i915]
>[  544.300574]  [<ffffffff810a1797>] ? finish_task_switch+0x107/0x2f0
>[  544.300575]  [<ffffffff81092d50>] process_one_work+0x150/0x3f0
>[  544.300577]  [<ffffffff8109350b>] worker_thread+0x12b/0x4b0
>[  544.300578]  [<ffffffff817962d0>] ? __schedule+0x330/0x950
>[  544.300579]  [<ffffffff810933e0>] ? rescuer_thread+0x340/0x340
>[  544.300580]  [<ffffffff81098ca9>] kthread+0xc9/0xe0
>[  544.300582]  [<ffffffff8179a662>] ret_from_fork+0x22/0x40
>[  544.300583]  [<ffffffff81098be0>] ? kthread_park+0x60/0x60
>[  544.300583] ---[ end trace d209a97d99ad4cb1 ]---
>[  544.300588] [drm:skl_wm_flush_pipe] flush pipe C (pass 3)
>[  544.304177] [drm:intel_disable_pipe] disabling pipe C
>[  544.309980] [drm:intel_disable_shared_dpll] disable PORT PLL C (active 4, on? 1) for crtc 36
>[  544.309985] [drm:intel_disable_shared_dpll] disabling PORT PLL C
>[  544.313767] [drm:intel_update_cdclk] Current CD clock rate: 288000 kHz
>[  544.313769] [drm:verify_encoder_state] [ENCODER:38:TMDS-38]
>[  544.313770] [drm:verify_encoder_state] [ENCODER:46:TMDS-46]
>[  544.313772] [drm:verify_encoder_state] [ENCODER:48:DP MST-48]
>[  544.313773] [drm:verify_encoder_state] [ENCODER:49:DP MST-49]
>[  544.313773] [drm:verify_encoder_state] [ENCODER:50:DP MST-50]
>[  544.313774] [drm:verify_encoder_state] [ENCODER:53:TMDS-53]
>[  544.313775] [drm:verify_encoder_state] [ENCODER:55:DP MST-55]
>[  544.313775] [drm:verify_encoder_state] [ENCODER:56:DP MST-56]
>[  544.313776] [drm:verify_encoder_state] [ENCODER:57:DP MST-57]
>[  544.313777] [drm:intel_connector_verify_state] [CONNECTOR:47:DP-1]
>[  544.313778] [drm:intel_connector_verify_state] [CONNECTOR:51:HDMI-A-1]
>[  544.313779] [drm:intel_connector_verify_state] [CONNECTOR:58:HDMI-A-2]
>[  544.313780] [drm:verify_single_dpll_state] PORT PLL A
>[  544.313781] [drm:verify_single_dpll_state] PORT PLL B
>[  544.313782] [drm:verify_single_dpll_state] PORT PLL C
>[  544.313784] [drm:intel_enable_shared_dpll] enable PORT PLL A (active 1, on? 0) for crtc 26
>[  544.313784] [drm:intel_enable_shared_dpll] enabling PORT PLL A
>[  544.313805] [drm:edp_panel_on] Turn eDP port A panel power on
>[  544.313807] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  544.412287] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control 00000060
>[  544.412289] [drm:wait_panel_status] Wait complete
>[  544.412290] [drm:wait_panel_on] Wait for panel power on
>[  544.412291] [drm:wait_panel_status] mask b000000f value 80000008 status 0000000a control 00000063
>[  544.438424] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  544.438429] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  544.438436] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 1
>[  544.438445] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  544.466769] [drm:wait_panel_status] Wait complete
>[  544.466773] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[  544.466774] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0x0000006b
>[  544.467488] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  544.467489] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  544.467710] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  544.468228] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  544.468266] [drm:skylake_pfit_enable] for crtc_state = ffff880274f85800
>[  544.468312] [drm:intel_enable_pipe] enabling pipe A
>[  544.468318] [drm:intel_edp_backlight_on] 
>[  544.468319] [drm:intel_panel_enable_backlight] pipe A
>[  544.468320] [drm:intel_panel_actually_set_backlight] set backlight PWM = 4800
>[  544.468322] [drm:intel_psr_enable] PSR not supported on this platform
>[  544.468323] [drm:intel_edp_drrs_enable] Panel doesn't support DRRS
>[  544.468338] [drm:intel_enable_shared_dpll] enable PORT PLL C (active 4, on? 0) for crtc 36
>[  544.468339] [drm:intel_enable_shared_dpll] enabling PORT PLL C
>[  544.469148] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  544.469149] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  544.469641] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  544.471578] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  544.471636] [drm:skylake_pfit_enable] for crtc_state = ffff880275599000
>[  544.471674] [drm:intel_enable_pipe] enabling pipe C
>[  544.475772] [drm:intel_connector_verify_state] [CONNECTOR:39:eDP-1]
>[  544.475775] [drm:verify_crtc_state] [CRTC:26]
>[  544.475786] [drm:verify_single_dpll_state] PORT PLL A
>[  544.475792] [drm:verify_crtc_state] [CRTC:31]
>[  544.475795] [drm:intel_connector_verify_state] [CONNECTOR:54:DP-2]
>[  544.475797] [drm:verify_crtc_state] [CRTC:36]
>[  544.475805] [drm:verify_single_dpll_state] PORT PLL C
>[  544.475815] [drm:i915_hotplug_work_func] running encoder hotplug functions
>[  544.475817] [drm:i915_hotplug_work_func] Connector DP-1 (pin 5) received hotplug event.
>[  544.475817] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  544.475874] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
>[  544.475914] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe C FIFO underrun
>[  544.476004] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  544.476080] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 5) received hotplug event.
>[  544.476081] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  544.476131] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  544.476132] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  544.476180] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  544.476182] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  544.690126] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000010, dig 0x18001819, pins 0x00000020
>[  544.690136] [drm:intel_hpd_irq_handler] digital hpd port B - short
>[  544.690198] [drm:intel_dp_hpd_pulse] got hpd irq on port B - short
>[  544.690303] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  544.690411] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  544.690413] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  544.690414] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  544.690415] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  544.690621] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  544.690696] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  544.690698] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  544.690698] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  544.690699] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  544.690877] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  544.690984] [drm:drm_dp_i2c_do_msg] native defer
>[  544.768885] [drm:drm_dp_i2c_do_msg] native defer
>[  544.769347] [drm:drm_dp_i2c_do_msg] native defer
>[  544.770116] [drm:drm_dp_i2c_do_msg] native defer
>[  544.770895] [drm:drm_dp_i2c_do_msg] native defer
>[  544.771654] [drm:drm_dp_i2c_do_msg] native defer
>[  544.772072] [drm:drm_dp_i2c_do_msg] native defer
>[  544.772885] [drm:drm_dp_i2c_do_msg] native defer
>[  544.773661] [drm:drm_dp_i2c_do_msg] native defer
>[  544.774460] [drm:drm_dp_i2c_do_msg] native defer
>[  544.775436] [drm:drm_dp_i2c_do_msg] native defer
>[  544.775782] [drm:drm_dp_i2c_do_msg] native defer
>[  544.776616] [drm:drm_dp_i2c_do_msg] native defer
>[  544.777416] [drm:drm_dp_i2c_do_msg] native defer
>[  544.778235] [drm:drm_dp_i2c_do_msg] native defer
>[  544.779085] [drm:drm_dp_i2c_do_msg] native defer
>[  544.779901] [drm:drm_dp_i2c_do_msg] native defer
>[  544.780706] [drm:drm_dp_i2c_do_msg] native defer
>[  544.781513] [drm:drm_dp_i2c_do_msg] native defer
>[  544.782284] [drm:drm_dp_i2c_do_msg] native defer
>[  544.782973] [drm:drm_dp_i2c_do_msg] native defer
>[  544.783816] [drm:drm_dp_i2c_do_msg] native defer
>[  544.784635] [drm:drm_dp_i2c_do_msg] native defer
>[  544.785478] [drm:drm_dp_i2c_do_msg] native defer
>[  544.786279] [drm:drm_dp_i2c_do_msg] native defer
>[  544.786634] [drm:drm_dp_i2c_do_msg] native defer
>[  544.787461] [drm:drm_dp_i2c_do_msg] native defer
>[  544.788266] [drm:drm_dp_i2c_do_msg] native defer
>[  544.789081] [drm:drm_dp_i2c_do_msg] native defer
>[  544.789596] [drm:drm_detect_monitor_audio] Monitor has basic audio support
>[  544.789712] [drm:i915_hotplug_work_func] running encoder hotplug functions
>[  544.789714] [drm:i915_hotplug_work_func] Connector DP-1 (pin 5) received hotplug event.
>[  544.789715] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  544.789716] [drm:intel_hpd_irq_event] [CONNECTOR:47:DP-1] status updated from disconnected to connected
>[  544.789716] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 5) received hotplug event.
>[  544.789718] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  544.789768] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  544.789769] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  544.789818] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  544.789819] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  544.789831] [drm:drm_fb_helper_hotplug_event] 
>[  544.789833] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1]
>[  544.789834] [drm:intel_dp_detect] [CONNECTOR:39:eDP-1]
>[  544.791003] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  544.791080] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  544.791167] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  544.791170] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:39:eDP-1] probed modes :
>[  544.791171] [drm:drm_mode_debug_printmodeline] Modeline 40:"1920x1080" 60 138120 1920 1968 2018 2052 1080 1084 1086 1122 0x48 0xa
>[  544.791172] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1]
>[  544.791173] [drm:intel_dp_detect] [CONNECTOR:47:DP-1]
>[  544.791277] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  544.791352] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  544.791354] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  544.791355] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  544.791356] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  544.791552] [drm:intel_dp_probe_mst] Sink is not MST capable
>[  544.791834] [drm:drm_edid_to_eld] ELD monitor ASUS PB287Q
>[  544.791836] [drm:parse_hdmi_vsdb] HDMI: DVI dual 0, max TMDS clock 300, latency present 0 0, video latency 0 1, audio latency 96 2
>[  544.791837] [drm:drm_edid_to_eld] ELD size 36, SAD count 1
>[  544.791856] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:47:DP-1] probed modes :
>[  544.791857] [drm:drm_mode_debug_printmodeline] Modeline 65:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[  544.791859] [drm:drm_mode_debug_printmodeline] Modeline 118:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[  544.791860] [drm:drm_mode_debug_printmodeline] Modeline 135:"3840x2160" 30 296703 3840 4016 4104 4400 2160 2168 2178 2250 0x40 0x5
>[  544.791861] [drm:drm_mode_debug_printmodeline] Modeline 119:"3840x2160" 25 297000 3840 4896 4984 5280 2160 2168 2178 2250 0x40 0x5
>[  544.791862] [drm:drm_mode_debug_printmodeline] Modeline 120:"3840x2160" 24 297000 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[  544.791864] [drm:drm_mode_debug_printmodeline] Modeline 136:"3840x2160" 24 296703 3840 5116 5204 5500 2160 2168 2178 2250 0x40 0x5
>[  544.791865] [drm:drm_mode_debug_printmodeline] Modeline 68:"2560x1600" 60 268500 2560 2608 2640 2720 1600 1603 1609 1646 0x40 0x9
>[  544.791866] [drm:drm_mode_debug_printmodeline] Modeline 67:"2560x1440" 60 241500 2560 2608 2640 2720 1440 1443 1448 1481 0x40 0x5
>[  544.791868] [drm:drm_mode_debug_printmodeline] Modeline 66:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  544.791869] [drm:drm_mode_debug_printmodeline] Modeline 121:"1920x1080" 60 148352 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  544.791870] [drm:drm_mode_debug_printmodeline] Modeline 107:"1920x1080i" 60 74250 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  544.791871] [drm:drm_mode_debug_printmodeline] Modeline 129:"1920x1080i" 60 74176 1920 2008 2052 2200 1080 1084 1094 1125 0x40 0x15
>[  544.791873] [drm:drm_mode_debug_printmodeline] Modeline 114:"1920x1080" 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
>[  544.791874] [drm:drm_mode_debug_printmodeline] Modeline 106:"1920x1080i" 50 74250 1920 2448 2492 2640 1080 1084 1094 1125 0x40 0x15
>[  544.791875] [drm:drm_mode_debug_printmodeline] Modeline 117:"1920x1080" 30 74250 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  544.791876] [drm:drm_mode_debug_printmodeline] Modeline 134:"1920x1080" 30 74176 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
>[  544.791878] [drm:drm_mode_debug_printmodeline] Modeline 116:"1920x1080" 24 74250 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[  544.791879] [drm:drm_mode_debug_printmodeline] Modeline 133:"1920x1080" 24 74176 1920 2558 2602 2750 1080 1084 1089 1125 0x40 0x5
>[  544.791880] [drm:drm_mode_debug_printmodeline] Modeline 74:"1680x1050" 60 119000 1680 1728 1760 1840 1050 1053 1059 1080 0x40 0x9
>[  544.791881] [drm:drm_mode_debug_printmodeline] Modeline 84:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  544.791883] [drm:drm_mode_debug_printmodeline] Modeline 72:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  544.791884] [drm:drm_mode_debug_printmodeline] Modeline 73:"1440x900" 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
>[  544.791885] [drm:drm_mode_debug_printmodeline] Modeline 71:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[  544.791887] [drm:drm_mode_debug_printmodeline] Modeline 75:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
>[  544.791888] [drm:drm_mode_debug_printmodeline] Modeline 76:"1280x720" 60 74250 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  544.791890] [drm:drm_mode_debug_printmodeline] Modeline 123:"1280x720" 60 74176 1280 1390 1430 1650 720 725 730 750 0x40 0x5
>[  544.791891] [drm:drm_mode_debug_printmodeline] Modeline 69:"1280x720" 50 74250 1280 1720 1760 1980 720 725 730 750 0x40 0x5
>[  544.791892] [drm:drm_mode_debug_printmodeline] Modeline 111:"1440x576" 50 54000 1440 1464 1592 1728 576 581 586 625 0x40 0xa
>[  544.791893] [drm:drm_mode_debug_printmodeline] Modeline 85:"1024x768" 75 78750 1024 1040 1136 1312 768 769 772 800 0x40 0x5
>[  544.791895] [drm:drm_mode_debug_printmodeline] Modeline 86:"1024x768" 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
>[  544.791896] [drm:drm_mode_debug_printmodeline] Modeline 87:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  544.791897] [drm:drm_mode_debug_printmodeline] Modeline 130:"1440x480" 60 54054 1440 1472 1596 1716 480 489 495 525 0x40 0xa
>[  544.791898] [drm:drm_mode_debug_printmodeline] Modeline 108:"1440x480" 60 54000 1440 1472 1596 1716 480 489 495 525 0x40 0xa
>[  544.791900] [drm:drm_mode_debug_printmodeline] Modeline 88:"832x624" 75 57284 832 864 928 1152 624 625 628 667 0x40 0xa
>[  544.791901] [drm:drm_mode_debug_printmodeline] Modeline 94:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  544.791902] [drm:drm_mode_debug_printmodeline] Modeline 95:"800x600" 72 50000 800 856 976 1040 600 637 643 666 0x40 0x5
>[  544.791903] [drm:drm_mode_debug_printmodeline] Modeline 77:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  544.791905] [drm:drm_mode_debug_printmodeline] Modeline 78:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[  544.791906] [drm:drm_mode_debug_printmodeline] Modeline 70:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  544.791907] [drm:drm_mode_debug_printmodeline] Modeline 126:"720x480" 60 27027 720 736 798 858 480 489 495 525 0x40 0xa
>[  544.791908] [drm:drm_mode_debug_printmodeline] Modeline 98:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  544.791910] [drm:drm_mode_debug_printmodeline] Modeline 79:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  544.791911] [drm:drm_mode_debug_printmodeline] Modeline 80:"640x480" 73 31500 640 664 704 832 480 489 492 520 0x40 0xa
>[  544.791912] [drm:drm_mode_debug_printmodeline] Modeline 81:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  544.791913] [drm:drm_mode_debug_printmodeline] Modeline 124:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  544.791915] [drm:drm_mode_debug_printmodeline] Modeline 82:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  544.791916] [drm:drm_mode_debug_printmodeline] Modeline 83:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  544.791917] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1]
>[  544.791918] [drm:intel_hdmi_detect] [CONNECTOR:51:HDMI-A-1]
>[  544.791956] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  544.791957] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK on first message, retry
>[  544.791994] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 w(1)
>[  544.791995] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  544.791996] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:51:HDMI-A-1] disconnected
>[  544.791997] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2]
>[  544.791998] [drm:intel_dp_detect] [CONNECTOR:54:DP-2]
>[  544.792096] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 01 00 00 01 00 02 02 06 00 00 00 00
>[  544.792166] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink no
>[  544.792167] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  544.792168] [drm:intel_dp_print_rates] sink rates: 162000, 270000
>[  544.792169] [drm:intel_dp_print_rates] common rates: 162000, 270000
>[  544.792254] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  544.792257] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:54:DP-2] probed modes :
>[  544.792259] [drm:drm_mode_debug_printmodeline] Modeline 89:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
>[  544.792260] [drm:drm_mode_debug_printmodeline] Modeline 99:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0xa
>[  544.792261] [drm:drm_mode_debug_printmodeline] Modeline 93:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
>[  544.792262] [drm:drm_mode_debug_printmodeline] Modeline 97:"1680x1050" 60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6
>[  544.792264] [drm:drm_mode_debug_printmodeline] Modeline 91:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
>[  544.792265] [drm:drm_mode_debug_printmodeline] Modeline 92:"1440x900" 60 106500 1440 1520 1672 1904 900 903 909 934 0x40 0x6
>[  544.792266] [drm:drm_mode_debug_printmodeline] Modeline 90:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
>[  544.792268] [drm:drm_mode_debug_printmodeline] Modeline 112:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
>[  544.792269] [drm:drm_mode_debug_printmodeline] Modeline 101:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  544.792270] [drm:drm_mode_debug_printmodeline] Modeline 110:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  544.792271] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2]
>[  544.792272] [drm:intel_hdmi_detect] [CONNECTOR:58:HDMI-A-2]
>[  544.792309] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  544.792310] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first message, retry
>[  544.792346] [drm:do_gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
>[  544.792347] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  544.792348] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:58:HDMI-A-2] disconnected
>[  544.792351] [drm:drm_setup_crtcs] 
>[  544.792352] [drm:drm_enable_connectors] connector 39 enabled? yes
>[  544.792353] [drm:drm_enable_connectors] connector 47 enabled? yes
>[  544.792354] [drm:drm_enable_connectors] connector 51 enabled? no
>[  544.792354] [drm:drm_enable_connectors] connector 54 enabled? yes
>[  544.792355] [drm:drm_enable_connectors] connector 58 enabled? no
>[  544.792356] [drm:intel_fb_initial_config] looking for cmdline mode on connector eDP-1
>[  544.792357] [drm:intel_fb_initial_config] looking for preferred mode on connector eDP-1 0
>[  544.792358] [drm:intel_fb_initial_config] connector eDP-1 on pipe A [CRTC:26]: 1920x1080
>[  544.792359] [drm:intel_fb_initial_config] connector DP-1 has no encoder or crtc, skipping
>[  544.792360] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[  544.792361] [drm:intel_fb_initial_config] looking for cmdline mode on connector DP-2
>[  544.792362] [drm:intel_fb_initial_config] looking for preferred mode on connector DP-2 0
>[  544.792363] [drm:intel_fb_initial_config] connector DP-2 on pipe C [CRTC:36]: 1920x1200
>[  544.792363] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[  544.792364] [drm:intel_fb_initial_config] fallback: Not all outputs enabled
>[  544.792365] [drm:intel_fb_initial_config] Enabled: 2, detected: 3
>[  544.792365] [drm:intel_fb_initial_config] Not using firmware configuration
>[  544.792366] [drm:drm_target_preferred] looking for cmdline mode on connector 39
>[  544.792367] [drm:drm_target_preferred] looking for preferred mode on connector 39 0
>[  544.792368] [drm:drm_target_preferred] found mode 1920x1080
>[  544.792368] [drm:drm_target_preferred] looking for cmdline mode on connector 47
>[  544.792369] [drm:drm_target_preferred] looking for preferred mode on connector 47 0
>[  544.792370] [drm:drm_target_preferred] found mode 3840x2160
>[  544.792370] [drm:drm_target_preferred] looking for cmdline mode on connector 54
>[  544.792371] [drm:drm_target_preferred] looking for preferred mode on connector 54 0
>[  544.792372] [drm:drm_target_preferred] found mode 1920x1200
>[  544.792372] [drm:drm_setup_crtcs] picking CRTCs for 8192x8192 config
>[  544.792376] [drm:drm_setup_crtcs] desired mode 1920x1080 set on crtc 26 (0,0)
>[  544.792377] [drm:drm_setup_crtcs] desired mode 3840x2160 set on crtc 31 (0,0)
>[  544.792378] [drm:drm_setup_crtcs] desired mode 1920x1200 set on crtc 36 (0,0)
>[  544.792392] [drm:connected_sink_compute_bpp] [CONNECTOR:47:DP-1] checking for sink bpp constrains
>[  544.792393] [drm:connected_sink_compute_bpp] clamping display bpp (was 36) to EDID reported max of 24
>[  544.792394] [drm:intel_dp_compute_config] DP link computation with max lane count 4 max bw 540000 pixel clock 297000KHz
>[  544.792396] [drm:intel_dp_compute_config] DP link bw 0a rate select 00 lane count 4 clock 270000 bpp 24
>[  544.792397] [drm:intel_dp_compute_config] DP link bw required 712800 available 864000
>[  544.792398] [drm:intel_modeset_pipe_config] hw max bpp: 36, pipe bpp: 24, dithering: 0
>[  544.792400] [drm:intel_dump_pipe_config] [CRTC:31][modeset] config ffff880274f81000 for pipe B
>[  544.792400] [drm:intel_dump_pipe_config] cpu_transcoder: B
>[  544.792401] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
>[  544.792402] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
>[  544.792403] [drm:intel_dump_pipe_config] dp: 1, lanes: 4, gmch_m: 6920601, gmch_n: 8388608, link_m: 576716, link_n: 524288, tu: 64
>[  544.792404] [drm:intel_dump_pipe_config] dp: 1, lanes: 4, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0
>[  544.792405] [drm:intel_dump_pipe_config] audio: 1, infoframes: 0
>[  544.792406] [drm:intel_dump_pipe_config] requested mode:
>[  544.792407] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[  544.792408] [drm:intel_dump_pipe_config] adjusted mode:
>[  544.792409] [drm:drm_mode_debug_printmodeline] Modeline 0:"3840x2160" 30 297000 3840 4016 4104 4400 2160 2168 2178 2250 0x48 0x9
>[  544.792410] [drm:intel_dump_crtc_timings] crtc timings: 297000 3840 4016 4104 4400 2160 2168 2178 2250, type: 0x48 flags: 0x9
>[  544.792411] [drm:intel_dump_pipe_config] port clock: 270000
>[  544.792411] [drm:intel_dump_pipe_config] pipe src size: 3840x2160
>[  544.792412] [drm:intel_dump_pipe_config] num_scalers: 2, scaler_users: 0x0, scaler_id: -1
>[  544.792413] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
>[  544.792414] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled
>[  544.792414] [drm:intel_dump_pipe_config] ips: 0
>[  544.792415] [drm:intel_dump_pipe_config] double wide: 0
>[  544.792416] [drm:intel_dump_pipe_config] ddi_pll_sel: 1; dpll_hw_state: ebb0: 0x8100, ebb4: 0x2000,pll0: 0x1b, pll1: 0x100, pll2: 0x0, pll3: 0x0, pll6: 0x10803, pll8: 0x9, pll9: 0xa, pll10: 0x8003c00, pcsdw12: 0x4d
>[  544.792417] [drm:intel_dump_pipe_config] planes on this crtc
>[  544.792418] [drm:intel_dump_pipe_config] STANDARD PLANE:29 plane: 1.0 idx: 4 disabled, scaler_id = -1
>[  544.792419] [drm:intel_dump_pipe_config] CURSOR PLANE:30 plane: 1.2 idx: 5 disabled, scaler_id = -1
>[  544.792420] [drm:intel_dump_pipe_config] STANDARD PLANE:32 plane: 1.1 idx: 6 disabled, scaler_id = -1
>[  544.792421] [drm:intel_dump_pipe_config] STANDARD PLANE:33 plane: 1.2 idx: 7 disabled, scaler_id = -1
>[  544.792423] [drm:intel_modeset_checks] New cdclk calculated to be atomic 384000, actual 384000
>[  544.792425] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 0.0
>[  544.792426] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:29] scaler_user index 1.4
>[  544.792427] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:34] scaler_user index 2.8
>[  544.792429] [drm:bxt_get_dpll] CRTC:26 using pre-allocated PORT PLL A
>[  544.792430] [drm:intel_reference_shared_dpll] using PORT PLL A for pipe A
>[  544.792431] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:26] scaler_user index 0.31
>[  544.792432] [drm:bxt_get_dpll] CRTC:31 using pre-allocated PORT PLL B
>[  544.792432] [drm:intel_reference_shared_dpll] using PORT PLL B for pipe B
>[  544.792433] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:31] scaler_user index 1.31
>[  544.792434] [drm:bxt_get_dpll] CRTC:36 using pre-allocated PORT PLL C
>[  544.792435] [drm:intel_reference_shared_dpll] using PORT PLL C for pipe C
>[  544.792436] [drm:skl_update_scaler_crtc] Updating scaler for [CRTC:36] scaler_user index 2.31
>[  544.792599] [drm:intel_edp_backlight_off] 
>[  544.849865] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
>[  544.849874] [drm:intel_disable_pipe] disabling pipe A
>[  544.853889] [drm:edp_panel_off] Turn eDP port A panel power off
>[  544.853892] [drm:wait_panel_off] Wait for panel power off time
>[  544.853894] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control 00000060
>[  544.866796] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  544.866806] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  544.866807] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 0
>[  544.866818] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  544.868115] [drm:wait_panel_status] Wait complete
>[  544.868119] [drm:intel_disable_shared_dpll] disable PORT PLL A (active 1, on? 1) for crtc 26
>[  544.868124] [drm:intel_disable_shared_dpll] disabling PORT PLL A
>[  544.869221] [drm:intel_disable_pipe] disabling pipe C
>[  544.873286] [drm:intel_disable_shared_dpll] disable PORT PLL C (active 4, on? 1) for crtc 36
>[  544.873291] [drm:intel_disable_shared_dpll] disabling PORT PLL C
>[  544.877145] [drm:intel_update_cdclk] Current CD clock rate: 384000 kHz
>[  544.877147] [drm:verify_encoder_state] [ENCODER:38:TMDS-38]
>[  544.877148] [drm:verify_encoder_state] [ENCODER:46:TMDS-46]
>[  544.877149] [drm:verify_encoder_state] [ENCODER:48:DP MST-48]
>[  544.877150] [drm:verify_encoder_state] [ENCODER:49:DP MST-49]
>[  544.877150] [drm:verify_encoder_state] [ENCODER:50:DP MST-50]
>[  544.877151] [drm:verify_encoder_state] [ENCODER:53:TMDS-53]
>[  544.877152] [drm:verify_encoder_state] [ENCODER:55:DP MST-55]
>[  544.877152] [drm:verify_encoder_state] [ENCODER:56:DP MST-56]
>[  544.877153] [drm:verify_encoder_state] [ENCODER:57:DP MST-57]
>[  544.877154] [drm:intel_connector_verify_state] [CONNECTOR:51:HDMI-A-1]
>[  544.877156] [drm:intel_connector_verify_state] [CONNECTOR:58:HDMI-A-2]
>[  544.877157] [drm:verify_single_dpll_state] PORT PLL A
>[  544.877158] [drm:verify_single_dpll_state] PORT PLL B
>[  544.877158] [drm:verify_single_dpll_state] PORT PLL C
>[  544.877160] [drm:intel_enable_shared_dpll] enable PORT PLL A (active 1, on? 0) for crtc 26
>[  544.877161] [drm:intel_enable_shared_dpll] enabling PORT PLL A
>[  544.877182] [drm:edp_panel_on] Turn eDP port A panel power on
>[  544.877183] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  545.005428] [drm:wait_panel_status] mask b800000f value 00000000 status 08000001 control 00000060
>[  545.017780] [drm:wait_panel_status] Wait complete
>[  545.017782] [drm:wait_panel_on] Wait for panel power on
>[  545.017783] [drm:wait_panel_status] mask b000000f value 80000008 status 0000000a control 00000063
>[  545.043931] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000008, dig 0x1a001818, pins 0x00000010
>[  545.043941] [drm:intel_hpd_irq_handler] digital hpd port A - long
>[  545.043942] [drm:intel_hpd_irq_storm_detect] Received HPD interrupt on PIN 4 - cnt: 1
>[  545.043954] [drm:intel_dp_hpd_pulse] ignoring long hpd on eDP port A
>[  545.086154] [drm:wait_panel_status] Wait complete
>[  545.086159] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
>[  545.086161] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0x0000006b
>[  545.086874] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  545.086875] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  545.087096] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  545.087614] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  545.087652] [drm:skylake_pfit_enable] for crtc_state = ffff880275598000
>[  545.087691] [drm:intel_enable_pipe] enabling pipe A
>[  545.087697] [drm:intel_edp_backlight_on] 
>[  545.087698] [drm:intel_panel_enable_backlight] pipe A
>[  545.087699] [drm:intel_panel_actually_set_backlight] set backlight PWM = 4800
>[  545.088643] [drm:intel_psr_enable] PSR not supported on this platform
>[  545.088644] [drm:intel_edp_drrs_enable] Panel doesn't support DRRS
>[  545.088660] [drm:intel_enable_shared_dpll] enable PORT PLL B (active 2, on? 0) for crtc 31
>[  545.088661] [drm:intel_enable_shared_dpll] enabling PORT PLL B
>[  545.089431] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  545.089432] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  545.091665] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  545.094530] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  545.094572] [drm:skylake_pfit_enable] for crtc_state = ffff880274f81000
>[  545.094612] ------------[ cut here ]------------
>[  545.094626] WARNING: CPU: 0 PID: 2173 at /home/shared/kernels/drm-intel-nightly/drivers/gpu/drm/i915/intel_pm.c:3647 skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  545.094627] WARN_ON(!wm_changed)
>[  545.094628] Modules linked in:
>[  545.094628]  binfmt_misc arc4 bnep iwlmvm mac80211 x86_pkg_temp_thermal coretemp snd_hda_codec_hdmi kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel asix usbnet kvm mii irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep nls_iso8859_1 snd_pcm aesni_intel snd_seq_midi aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_seq_midi_event snd_rawmidi serio_raw btusb btrtl snd_seq btbcm btintel bluetooth snd_seq_device snd_timer iwlwifi mei_me snd cfg80211 shpchp mei soundcore rfkill_gpio intel_pmc_ipc tpm_crb mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid mmc_block i915 drm_kms_helper psmouse igb dca sdhci_pci sdhci syscopyarea sysfillrect sysimgblt fb_sys_fops xhci_pci xhci_hcd ptp pps_core i2c_algo_bit drm ahci libahci
>[  545.094652]  i2c_hid hid video
>[  545.094654] CPU: 0 PID: 2173 Comm: kworker/0:1 Tainted: G     U  W       4.6.0-rc3-nightly+ #1
>[  545.094655] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0131.B10.1603280005 03/28/2016
>[  545.094669] Workqueue: events i915_hotplug_work_func [i915]
>[  545.094670]  0000000000000000 ffff880270dc38f8 ffffffff813b287c ffff880270dc3948
>[  545.094672]  0000000000000000 ffff880270dc3938 ffffffff81079cc1 00000e3f00000000
>[  545.094673]  ffff880270cf4000 ffff880270cf5000 0000000000000004 ffff880270d193a8
>[  545.094674] Call Trace:
>[  545.094677]  [<ffffffff813b287c>] dump_stack+0x63/0x87
>[  545.094678]  [<ffffffff81079cc1>] __warn+0xd1/0xf0
>[  545.094679]  [<ffffffff81079d2f>] warn_slowpath_fmt+0x4f/0x60
>[  545.094691]  [<ffffffffa01e7ea2>] skl_update_other_pipe_wm+0x172/0x180 [i915]
>[  545.094702]  [<ffffffffa01e804a>] skl_update_wm+0x19a/0x6f0 [i915]
>[  545.094716]  [<ffffffffa02744d0>] ? intel_ddi_enable_transcoder_func+0x170/0x240 [i915]
>[  545.094727]  [<ffffffffa01e95ee>] intel_update_watermarks+0x1e/0x30 [i915]
>[  545.094741]  [<ffffffffa025686d>] haswell_crtc_enable+0x45d/0x900 [i915]
>[  545.094754]  [<ffffffffa024263e>] ? intel_finish_crtc_commit+0xe/0x10 [i915]
>[  545.094759]  [<ffffffffa01bbc99>] ? drm_atomic_helper_commit_planes_on_crtc+0x169/0x230 [drm_kms_helper]
>[  545.094773]  [<ffffffffa0251655>] intel_atomic_commit+0x1335/0x1fa0 [i915]
>[  545.094775]  [<ffffffff811d9277>] ? kmem_cache_alloc_trace+0x187/0x210
>[  545.094785]  [<ffffffffa0078427>] ? drm_atomic_set_crtc_for_connector+0x57/0xe0 [drm]
>[  545.094793]  [<ffffffffa0079097>] drm_atomic_commit+0x37/0x60 [drm]
>[  545.094797]  [<ffffffffa01bcf0d>] restore_fbdev_mode+0x22d/0x260 [drm_kms_helper]
>[  545.094805]  [<ffffffffa0077e67>] ? drm_modeset_lock_all_ctx+0x97/0xb0 [drm]
>[  545.094809]  [<ffffffffa01befc3>] drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper]
>[  545.094813]  [<ffffffffa01bf03c>] drm_fb_helper_set_par+0x2c/0x50 [drm_kms_helper]
>[  545.094816]  [<ffffffffa01bef42>] drm_fb_helper_hotplug_event+0xa2/0xf0 [drm_kms_helper]
>[  545.094830]  [<ffffffffa026e19e>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
>[  545.094834]  [<ffffffffa01b25e7>] drm_kms_helper_hotplug_event+0x27/0x30 [drm_kms_helper]
>[  545.094847]  [<ffffffffa0263c47>] i915_hotplug_work_func+0x207/0x2c0 [i915]
>[  545.094848]  [<ffffffff810a1797>] ? finish_task_switch+0x107/0x2f0
>[  545.094850]  [<ffffffff81092d50>] process_one_work+0x150/0x3f0
>[  545.094851]  [<ffffffff8109350b>] worker_thread+0x12b/0x4b0
>[  545.094852]  [<ffffffff817962d0>] ? __schedule+0x330/0x950
>[  545.094853]  [<ffffffff810933e0>] ? rescuer_thread+0x340/0x340
>[  545.094854]  [<ffffffff81098ca9>] kthread+0xc9/0xe0
>[  545.094856]  [<ffffffff8179a662>] ret_from_fork+0x22/0x40
>[  545.094857]  [<ffffffff81098be0>] ? kthread_park+0x60/0x60
>[  545.094858] ---[ end trace d209a97d99ad4cb2 ]---
>[  545.094862] [drm:skl_wm_flush_pipe] flush pipe A (pass 3)
>[  545.094863] [drm:skl_wm_flush_pipe] flush pipe B (pass 3)
>[  545.094867] [drm:intel_enable_pipe] enabling pipe B
>[  545.094873] [drm:intel_audio_codec_enable] ELD on [CONNECTOR:47:DP-1], [ENCODER:46:TMDS-46]
>[  545.094875] [drm:hsw_audio_codec_enable] Enable audio codec on pipe B, 36 bytes ELD
>[  545.094895] [drm:intel_enable_shared_dpll] enable PORT PLL C (active 4, on? 0) for crtc 36
>[  545.094896] [drm:intel_enable_shared_dpll] enabling PORT PLL C
>[  545.095627] [drm:intel_dp_set_signal_levels] Using vswing level 0
>[  545.095628] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
>[  545.095853] [drm:intel_dp_link_training_clock_recovery] clock recovery OK
>[  545.098486] [drm:intel_dp_link_training_channel_equalization] Channel EQ done. DP Training successful
>[  545.098527] [drm:skylake_pfit_enable] for crtc_state = ffff880274f87000
>[  545.098567] [drm:intel_enable_pipe] enabling pipe C
>[  545.102006] [drm:intel_get_hpd_pins] hotplug event received, stat 0x00000010, dig 0x18001819, pins 0x00000020
>[  545.102011] [drm:intel_hpd_irq_handler] digital hpd port B - short
>[  545.102024] [drm:intel_dp_hpd_pulse] got hpd irq on port B - short
>[  545.102128] [drm:intel_dp_get_dpcd] DPCD: 12 14 c4 01 01 15 00 01 00 00 04 00 0f 00 00
>[  545.102254] [drm:intel_dp_get_dpcd] Display Port TPS3 support: source yes, sink yes
>[  545.102256] [drm:intel_dp_print_rates] source rates: 162000, 216000, 243000, 270000, 324000, 432000, 540000
>[  545.102257] [drm:intel_dp_print_rates] sink rates: 162000, 270000, 540000
>[  545.102258] [drm:intel_dp_print_rates] common rates: 162000, 270000, 540000
>[  545.102782] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
>[  545.102832] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe C FIFO underrun
>[  545.103008] [drm:intel_connector_verify_state] [CONNECTOR:39:eDP-1]
>[  545.103012] [drm:verify_crtc_state] [CRTC:26]
>[  545.103022] [drm:verify_single_dpll_state] PORT PLL A
>[  545.103030] [drm:intel_connector_verify_state] [CONNECTOR:47:DP-1]
>[  545.103031] [drm:verify_crtc_state] [CRTC:31]
>[  545.103038] [drm:verify_single_dpll_state] PORT PLL B
>[  545.103059] [drm:verify_wm_state.isra.86 [i915]] *ERROR* mismatch in DDB state pipe C plane 1 (expected (254,500), found (0,246))
>[  545.103103] [drm:verify_wm_state.isra.86 [i915]] *ERROR* mismatch in DDB state pipe C cursor (expected (500,508), found (246,254))
>[  545.103134] [drm:intel_connector_verify_state] [CONNECTOR:54:DP-2]
>[  545.103136] [drm:verify_crtc_state] [CRTC:36]
>[  545.103144] [drm:verify_single_dpll_state] PORT PLL C
>[  545.103970] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun
>[  545.703450] [drm:edp_panel_vdd_off_sync] Turning eDP port A VDD off
>[  545.703457] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0x00000067
>[  619.349585] [drm:intel_backlight_device_update_status] updating intel_backlight, brightness=4800/96000
>[  619.349585] [drm:intel_panel_actually_set_backlight] set backlight PWM = 4800
>[  619.349599] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:23] scaler_user index 0.0
>[  619.349600] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:29] scaler_user index 1.4
>[  619.349601] [drm:skl_update_scaler_plane] Updating scaler for [PLANE:34] scaler_user index 2.8

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