Attachment 78912 Details for Bug 58791 – dmesg: some dp display mode can't light up

dmesg: some dp display mode can't light up

some_dp_mode_black_screen (text/plain), 123.27 KB, created by shui yangwei on 2013-05-06 09:08:35 UTC

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Creator: shui yangwei

Created: 2013-05-06 09:08:35 UTC

Size: 123.27 KB

patch

obsolete

>[  278.671688]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  278.675106]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  278.678893]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  278.682748]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  278.686579] ---[ end trace 320b3b37d81ca0cf ]---
>[  278.692284] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  278.692292] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  278.692710] [drm:intel_update_fbc], no output, disabling
>[  278.692738] [drm:ironlake_crtc_mode_set], Mode for pipe A:
>[  278.692742] [drm:drm_mode_debug_printmodeline], Modeline 0:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  278.692749] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  278.692752] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  278.693072] [drm:ironlake_update_plane], Writing base 07529000 00000000 0 0 3200
>[  278.744376] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  278.744381] [drm:intel_update_fbc], no output, disabling
>[  278.744388] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:800x600]
>[  278.744394] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  278.744397] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  278.744401] [drm:ironlake_write_eld], ELD on pipe A
>[  278.744405] [drm:ironlake_write_eld], Audio directed to unknown port
>[  278.744407] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  278.744423] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 33, cursor: 6
>[  278.744429] [drm:ironlake_check_srwm], watermark 1: display plane 18, fbc lines 3, cursor 6
>[  278.744434] [drm:ironlake_check_srwm], watermark 2: display plane 52, fbc lines 4, cursor 6
>[  278.796408] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  278.848441] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  278.848757] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  278.848760] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  278.848918] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  278.848921] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  278.848924] [drm:ironlake_fdi_link_train], FDI train done
>[  278.848926] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  278.848932] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  278.850159] [drm:intel_update_fbc], fbc set to per-chip default
>[  278.850162] [drm:intel_update_fbc], fbc disabled per module param
>[  278.850330] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  278.851150] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  278.853119] [drm:intel_dp_start_link_train], clock recovery OK
>[  278.853122] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  278.854820] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  278.868396] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  278.868410] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  278.868417] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  278.868422] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  278.868428] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  278.868435] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  278.868441] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  278.868448] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  278.868454] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  278.868459] [drm:intel_modeset_check_state], [CRTC:3]
>[  278.868472] [drm:intel_modeset_check_state], [CRTC:5]
>[  278.868491] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  278.868497] [drm:i915_hotplug_work_func], Connector VGA-1 (pin 1) received hotplug event.
>[  278.868502] [drm:i915_hotplug_work_func], Connector HDMI-A-2 (pin 5) received hotplug event.
>[  278.868508] [drm:i915_hotplug_work_func], Connector HDMI-A-3 (pin 6) received hotplug event.
>[  278.868513] [drm:i915_hotplug_work_func], Connector DP-2 (pin 5) received hotplug event.
>[  278.868518] [drm:i915_hotplug_work_func], Connector DP-3 (pin 6) received hotplug event.
>[  278.868526] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  278.868530] [drm:intel_crt_detect], CRT not detected via hotplug
>[  278.868700] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  278.868707] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  278.868711] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  278.868714] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  278.869070] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  278.869073] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  278.869077] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  278.869081] [drm:intel_hpd_irq_event], [CONNECTOR:7:VGA-1] status updated from 2 to 2
>[  278.869254] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  278.869260] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  278.869264] [drm:intel_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  278.869458] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  278.869480] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  278.869499] [drm:intel_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  278.869518] [drm:intel_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  278.869526] [drm:intel_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  283.934702] [drm:drm_mode_addfb], [FB:87]
>[  283.934743] [drm:drm_mode_setcrtc], [CRTC:3]
>[  283.934750] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  283.934753] [drm:intel_crtc_set_config], [CRTC:3] [FB:87] #connectors=1 (x y) (0 0)
>[  283.934757] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  283.934759] [drm:drm_mode_debug_printmodeline], Modeline 87:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
>[  283.934762] [drm:drm_mode_debug_printmodeline], Modeline 88:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  283.934766] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  283.934768] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  283.934769] [drm:drm_mode_debug_printmodeline], Modeline 88:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  283.934773] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  283.934776] [drm:pipe_config_set_bpp], clamping display bpp (was 24) to EDID reported max of 18
>[  283.934779] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 40000KHz
>[  283.934781] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 18
>[  283.934783] [drm:intel_dp_compute_config], DP link bw required 72000 available 129600
>[  283.934786] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  283.934788] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  283.934789] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 18, dithering: 1
>[  283.935190] [drm:intel_dp_link_down], 
>[  283.991536] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  284.093672] ------------[ cut here ]------------
>[  284.097098] WARNING: at drivers/gpu/drm/i915/intel_display.c:862 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  284.101024] Hardware name: Latitude E6510
>[  284.104940] pipe_off wait timed out
>[  284.108818] Modules linked in: ipv6 dm_mod acpi_cpufreq coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support dcdbas microcode pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_codec_idt lpc_ich mfd_core firewire_ohci snd_hda_intel snd_hda_codec firewire_core crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore wmi battery ppdev parport_pc parport ac joydev i915 video button drm_kms_helper drm mperf freq_table
>[  284.122216] Pid: 4167, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_2b87f3_20130506_+ #1797
>[  284.126792] Call Trace:
>[  284.131331]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  284.135958]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  284.141118]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  284.146579]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  284.152075]  [<f821d30f>] ? ironlake_crtc_disable+0xb9/0x714 [i915]
>[  284.158462]  [<f8220783>] ? __intel_set_mode+0x7e7/0xc76 [i915]
>[  284.164756]  [<f8220820>] ? __intel_set_mode+0x884/0xc76 [i915]
>[  284.170859]  [<c022697b>] ? vprintk+0x15/0x19
>[  284.176992]  [<f8223a7e>] ? intel_set_mode+0x11/0x25 [i915]
>[  284.182380]  [<f8223f63>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  284.187197]  [<f80ab8b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  284.191693]  [<f80ae319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  284.196732]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  284.201340]  [<f80a3c2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  284.205703]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  284.210252]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  284.214520]  [<f80a3a11>] ? drm_copy_field+0x47/0x47 [drm]
>[  284.219014]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  284.222980]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  284.227015]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  284.231029]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  284.235031]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  284.239035]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  284.243063]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  284.247097] ---[ end trace 320b3b37d81ca0d0 ]---
>[  284.252708] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  284.252714] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  284.253131] [drm:intel_update_fbc], no output, disabling
>[  284.253159] [drm:ironlake_crtc_mode_set], Mode for pipe A:
>[  284.253163] [drm:drm_mode_debug_printmodeline], Modeline 0:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  284.253170] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  284.253173] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  284.253493] [drm:ironlake_update_plane], Writing base 076FE000 00000000 0 0 3200
>[  284.304733] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  284.304738] [drm:intel_update_fbc], no output, disabling
>[  284.304745] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:800x600]
>[  284.304751] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  284.304755] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  284.304759] [drm:ironlake_write_eld], ELD on pipe A
>[  284.304764] [drm:ironlake_write_eld], Audio directed to unknown port
>[  284.304767] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  284.304783] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 32, cursor: 6
>[  284.304789] [drm:ironlake_check_srwm], watermark 1: display plane 15, fbc lines 3, cursor 6
>[  284.304794] [drm:ironlake_check_srwm], watermark 2: display plane 45, fbc lines 3, cursor 6
>[  284.356767] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  284.408871] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  284.409187] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  284.409191] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  284.409349] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  284.409352] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  284.409354] [drm:ironlake_fdi_link_train], FDI train done
>[  284.409356] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  284.409362] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  284.410589] [drm:intel_update_fbc], fbc set to per-chip default
>[  284.410591] [drm:intel_update_fbc], fbc disabled per module param
>[  284.410783] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  284.411586] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  284.413551] [drm:intel_dp_start_link_train], clock recovery OK
>[  284.413553] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  284.415258] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  284.432816] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  284.432826] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  284.432830] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  284.432833] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  284.432836] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  284.432840] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  284.432844] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  284.432847] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  284.432851] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  284.432854] [drm:intel_modeset_check_state], [CRTC:3]
>[  284.432865] [drm:intel_modeset_check_state], [CRTC:5]
>[  284.432875] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  284.432877] [drm:i915_hotplug_work_func], Connector VGA-1 (pin 1) received hotplug event.
>[  284.432880] [drm:i915_hotplug_work_func], Connector HDMI-A-2 (pin 5) received hotplug event.
>[  284.432883] [drm:i915_hotplug_work_func], Connector HDMI-A-3 (pin 6) received hotplug event.
>[  284.432885] [drm:i915_hotplug_work_func], Connector DP-2 (pin 5) received hotplug event.
>[  284.432888] [drm:i915_hotplug_work_func], Connector DP-3 (pin 6) received hotplug event.
>[  284.432892] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  284.432895] [drm:intel_crt_detect], CRT not detected via hotplug
>[  284.433058] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  284.433061] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  284.433063] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  284.433065] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  284.433417] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  284.433418] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  284.433420] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  284.433422] [drm:intel_hpd_irq_event], [CONNECTOR:7:VGA-1] status updated from 2 to 2
>[  284.433579] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  284.433582] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  284.433584] [drm:intel_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  284.433746] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  284.433752] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  284.433756] [drm:intel_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  284.433762] [drm:intel_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  284.433768] [drm:intel_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  289.498876] [drm:drm_mode_addfb], [FB:88]
>[  289.498914] [drm:drm_mode_setcrtc], [CRTC:3]
>[  289.498922] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  289.498934] [drm:intel_crtc_set_config], [CRTC:3] [FB:88] #connectors=1 (x y) (0 0)
>[  289.498944] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  289.498947] [drm:drm_mode_debug_printmodeline], Modeline 88:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
>[  289.498950] [drm:drm_mode_debug_printmodeline], Modeline 89:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[  289.498954] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  289.498957] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  289.498958] [drm:drm_mode_debug_printmodeline], Modeline 89:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[  289.498963] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  289.498966] [drm:pipe_config_set_bpp], clamping display bpp (was 24) to EDID reported max of 18
>[  289.498970] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 36000KHz
>[  289.498972] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 18
>[  289.498975] [drm:intel_dp_compute_config], DP link bw required 64800 available 129600
>[  289.498978] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  289.498981] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  289.498983] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 18, dithering: 1
>[  289.499387] [drm:intel_dp_link_down], 
>[  289.562056] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  289.664107] ------------[ cut here ]------------
>[  289.667521] WARNING: at drivers/gpu/drm/i915/intel_display.c:862 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  289.671501] Hardware name: Latitude E6510
>[  289.675833] pipe_off wait timed out
>[  289.679706] Modules linked in: ipv6 dm_mod acpi_cpufreq coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support dcdbas microcode pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_codec_idt lpc_ich mfd_core firewire_ohci snd_hda_intel snd_hda_codec firewire_core crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore wmi battery ppdev parport_pc parport ac joydev i915 video button drm_kms_helper drm mperf freq_table
>[  289.692569] Pid: 4167, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_2b87f3_20130506_+ #1797
>[  289.696855] Call Trace:
>[  289.701386]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  289.705472]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  289.709683]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  289.714163]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  289.718859]  [<f821d30f>] ? ironlake_crtc_disable+0xb9/0x714 [i915]
>[  289.723537]  [<f8220783>] ? __intel_set_mode+0x7e7/0xc76 [i915]
>[  289.727772]  [<f8220820>] ? __intel_set_mode+0x884/0xc76 [i915]
>[  289.732119]  [<c022697b>] ? vprintk+0x15/0x19
>[  289.735778]  [<f8223a7e>] ? intel_set_mode+0x11/0x25 [i915]
>[  289.740159]  [<f8223f63>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  289.743617]  [<f80ab8b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  289.747408]  [<f80ae319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  289.750926]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  289.754834]  [<f80a3c2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  289.758663]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  289.762938]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  289.767445]  [<f80a3a11>] ? drm_copy_field+0x47/0x47 [drm]
>[  289.770964]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  289.774798]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  289.778462]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  289.781872]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  289.785620]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  289.789116]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  289.792072]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  289.794958] ---[ end trace 320b3b37d81ca0d1 ]---
>[  289.800128] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  289.800134] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  289.800550] [drm:intel_update_fbc], no output, disabling
>[  289.800564] [drm:ironlake_crtc_mode_set], Mode for pipe A:
>[  289.800566] [drm:drm_mode_debug_printmodeline], Modeline 0:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[  289.800569] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  289.800571] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  289.800887] [drm:ironlake_update_plane], Writing base 078D3000 00000000 0 0 3200
>[  289.852219] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  289.852224] [drm:intel_update_fbc], no output, disabling
>[  289.852231] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:800x600]
>[  289.852236] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  289.852240] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  289.852244] [drm:ironlake_write_eld], ELD on pipe A
>[  289.852248] [drm:ironlake_write_eld], Audio directed to unknown port
>[  289.852250] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  289.852267] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 32, cursor: 6
>[  289.852272] [drm:ironlake_check_srwm], watermark 1: display plane 14, fbc lines 3, cursor 6
>[  289.852277] [drm:ironlake_check_srwm], watermark 2: display plane 41, fbc lines 3, cursor 6
>[  289.904247] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  289.956287] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  289.956604] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  289.956608] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  289.956766] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  289.956769] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  289.956771] [drm:ironlake_fdi_link_train], FDI train done
>[  289.956774] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  289.956779] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  289.958006] [drm:intel_update_fbc], fbc set to per-chip default
>[  289.958008] [drm:intel_update_fbc], fbc disabled per module param
>[  289.958174] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  289.958992] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  289.960960] [drm:intel_dp_start_link_train], clock recovery OK
>[  289.960963] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  289.962654] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  289.982246] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  289.982260] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  289.982267] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  289.982272] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  289.982278] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  289.982285] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  289.982291] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  289.982297] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  289.982304] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  289.982310] [drm:intel_modeset_check_state], [CRTC:3]
>[  289.982323] [drm:intel_modeset_check_state], [CRTC:5]
>[  289.982403] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  289.982411] [drm:i915_hotplug_work_func], Connector VGA-1 (pin 1) received hotplug event.
>[  289.982416] [drm:i915_hotplug_work_func], Connector HDMI-A-2 (pin 5) received hotplug event.
>[  289.982420] [drm:i915_hotplug_work_func], Connector HDMI-A-3 (pin 6) received hotplug event.
>[  289.982424] [drm:i915_hotplug_work_func], Connector DP-2 (pin 5) received hotplug event.
>[  289.982428] [drm:i915_hotplug_work_func], Connector DP-3 (pin 6) received hotplug event.
>[  289.982435] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  289.982439] [drm:intel_crt_detect], CRT not detected via hotplug
>[  289.982611] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  289.982617] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  289.982621] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  289.982624] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  289.982981] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  289.982984] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  289.982988] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  289.982992] [drm:intel_hpd_irq_event], [CONNECTOR:7:VGA-1] status updated from 2 to 2
>[  289.983270] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  289.983287] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  289.983302] [drm:intel_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  289.983488] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  289.983495] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  289.983500] [drm:intel_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  289.983507] [drm:intel_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  289.983514] [drm:intel_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  295.099256] [drm:drm_mode_addfb], [FB:89]
>[  295.099319] [drm:drm_mode_setcrtc], [CRTC:3]
>[  295.099327] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  295.099331] [drm:intel_crtc_set_config], [CRTC:3] [FB:89] #connectors=1 (x y) (0 0)
>[  295.099338] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  295.099342] [drm:drm_mode_debug_printmodeline], Modeline 89:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
>[  295.099348] [drm:drm_mode_debug_printmodeline], Modeline 90:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  295.099356] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  295.099360] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  295.099363] [drm:drm_mode_debug_printmodeline], Modeline 90:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  295.099371] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  295.099394] [drm:pipe_config_set_bpp], clamping display bpp (was 24) to EDID reported max of 18
>[  295.099412] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 27000KHz
>[  295.099431] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 18
>[  295.099440] [drm:intel_dp_compute_config], DP link bw required 48600 available 129600
>[  295.099446] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  295.099451] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  295.099455] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 18, dithering: 1
>[  295.099865] [drm:intel_dp_link_down], 
>[  295.158426] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  295.260490] ------------[ cut here ]------------
>[  295.264691] WARNING: at drivers/gpu/drm/i915/intel_display.c:862 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  295.269026] Hardware name: Latitude E6510
>[  295.273339] pipe_off wait timed out
>[  295.277608] Modules linked in: ipv6 dm_mod acpi_cpufreq coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support dcdbas microcode pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_codec_idt lpc_ich mfd_core firewire_ohci snd_hda_intel snd_hda_codec firewire_core crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore wmi battery ppdev parport_pc parport ac joydev i915 video button drm_kms_helper drm mperf freq_table
>[  295.292268] Pid: 4167, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_2b87f3_20130506_+ #1797
>[  295.297307] Call Trace:
>[  295.302317]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  295.307413]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  295.312544]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  295.316840]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  295.322030]  [<f821d30f>] ? ironlake_crtc_disable+0xb9/0x714 [i915]
>[  295.326886]  [<f8220783>] ? __intel_set_mode+0x7e7/0xc76 [i915]
>[  295.331491]  [<f8220820>] ? __intel_set_mode+0x884/0xc76 [i915]
>[  295.335550]  [<c022697b>] ? vprintk+0x15/0x19
>[  295.339699]  [<f8223a7e>] ? intel_set_mode+0x11/0x25 [i915]
>[  295.344544]  [<f8223f63>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  295.348397]  [<f80ab8b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  295.353674]  [<f80ae319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  295.358841]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  295.363474]  [<f80a3c2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  295.367716]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  295.372199]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  295.376520]  [<f80a3a11>] ? drm_copy_field+0x47/0x47 [drm]
>[  295.380130]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  295.384563]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  295.388175]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  295.392529]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  295.396112]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  295.400242]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  295.404516]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  295.408015] ---[ end trace 320b3b37d81ca0d2 ]---
>[  295.415663] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  295.415669] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  295.416085] [drm:intel_update_fbc], no output, disabling
>[  295.416109] [drm:ironlake_crtc_mode_set], Mode for pipe A:
>[  295.416111] [drm:drm_mode_debug_printmodeline], Modeline 0:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  295.416117] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  295.416120] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  295.416438] [drm:ironlake_update_plane], Writing base 07AA8000 00000000 0 0 2880
>[  295.467683] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  295.467689] [drm:intel_update_fbc], no output, disabling
>[  295.467695] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:720x576]
>[  295.467701] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  295.467704] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  295.467708] [drm:ironlake_write_eld], ELD on pipe A
>[  295.467712] [drm:ironlake_write_eld], Audio directed to unknown port
>[  295.467715] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  295.467731] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 42, cursor: 6
>[  295.467735] [drm:ironlake_check_srwm], watermark 1: display plane 11, fbc lines 3, cursor 6
>[  295.467740] [drm:ironlake_check_srwm], watermark 2: display plane 31, fbc lines 3, cursor 6
>[  295.519715] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  295.571747] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  295.572065] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  295.572068] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  295.572227] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  295.572230] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  295.572232] [drm:ironlake_fdi_link_train], FDI train done
>[  295.572234] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  295.572240] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  295.573467] [drm:intel_update_fbc], fbc set to per-chip default
>[  295.573469] [drm:intel_update_fbc], fbc disabled per module param
>[  295.573739] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  295.574451] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  295.576422] [drm:intel_dp_start_link_train], clock recovery OK
>[  295.576424] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  295.578123] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  295.599709] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  295.599723] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  295.599730] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  295.599735] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  295.599742] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  295.599748] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  295.599754] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  295.599761] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  295.599767] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  295.599773] [drm:intel_modeset_check_state], [CRTC:3]
>[  295.599786] [drm:intel_modeset_check_state], [CRTC:5]
>[  295.599870] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  295.599876] [drm:i915_hotplug_work_func], Connector VGA-1 (pin 1) received hotplug event.
>[  295.599880] [drm:i915_hotplug_work_func], Connector HDMI-A-2 (pin 5) received hotplug event.
>[  295.599884] [drm:i915_hotplug_work_func], Connector HDMI-A-3 (pin 6) received hotplug event.
>[  295.599889] [drm:i915_hotplug_work_func], Connector DP-2 (pin 5) received hotplug event.
>[  295.599892] [drm:i915_hotplug_work_func], Connector DP-3 (pin 6) received hotplug event.
>[  295.599898] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  295.599902] [drm:intel_crt_detect], CRT not detected via hotplug
>[  295.600070] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  295.600076] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  295.600080] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  295.600083] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  295.600439] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  295.600443] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  295.600446] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  295.600450] [drm:intel_hpd_irq_event], [CONNECTOR:7:VGA-1] status updated from 2 to 2
>[  295.600664] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  295.600670] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  295.600674] [drm:intel_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  295.600904] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  295.600912] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  295.600918] [drm:intel_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  295.600927] [drm:intel_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  295.600935] [drm:intel_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  300.650998] [drm:drm_mode_addfb], [FB:90]
>[  300.651033] [drm:drm_mode_setcrtc], [CRTC:3]
>[  300.651040] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  300.651042] [drm:intel_crtc_set_config], [CRTC:3] [FB:90] #connectors=1 (x y) (0 0)
>[  300.651046] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  300.651048] [drm:drm_mode_debug_printmodeline], Modeline 90:"720x576" 50 27000 720 732 796 864 576 581 586 625 0x40 0xa
>[  300.651051] [drm:drm_mode_debug_printmodeline], Modeline 91:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  300.651055] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  300.651057] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  300.651059] [drm:drm_mode_debug_printmodeline], Modeline 91:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  300.651063] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  300.651065] [drm:pipe_config_set_bpp], clamping display bpp (was 24) to EDID reported max of 18
>[  300.651068] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 27000KHz
>[  300.651071] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 18
>[  300.651072] [drm:intel_dp_compute_config], DP link bw required 48600 available 129600
>[  300.651075] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  300.651077] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  300.651078] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 18, dithering: 1
>[  300.651479] [drm:intel_dp_link_down], 
>[  300.715922] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  300.817986] ------------[ cut here ]------------
>[  300.821794] WARNING: at drivers/gpu/drm/i915/intel_display.c:862 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  300.825724] Hardware name: Latitude E6510
>[  300.829619] pipe_off wait timed out
>[  300.833487] Modules linked in: ipv6 dm_mod acpi_cpufreq coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support dcdbas microcode pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_codec_idt lpc_ich mfd_core firewire_ohci snd_hda_intel snd_hda_codec firewire_core crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore wmi battery ppdev parport_pc parport ac joydev i915 video button drm_kms_helper drm mperf freq_table
>[  300.846914] Pid: 4167, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_2b87f3_20130506_+ #1797
>[  300.851480] Call Trace:
>[  300.856021]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  300.860644]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  300.865290]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  300.869959]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  300.874650]  [<f821d30f>] ? ironlake_crtc_disable+0xb9/0x714 [i915]
>[  300.879347]  [<f8220783>] ? __intel_set_mode+0x7e7/0xc76 [i915]
>[  300.883974]  [<f8220820>] ? __intel_set_mode+0x884/0xc76 [i915]
>[  300.888463]  [<c022697b>] ? vprintk+0x15/0x19
>[  300.892974]  [<f8223a7e>] ? intel_set_mode+0x11/0x25 [i915]
>[  300.897351]  [<f8223f63>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  300.901576]  [<f80ab8b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  300.905661]  [<f80ae319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  300.909628]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  300.913507]  [<f80a3c2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  300.917363]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  300.921203]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  300.925043]  [<f80a3a11>] ? drm_copy_field+0x47/0x47 [drm]
>[  300.928847]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  300.932629]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  300.936402]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  300.940206]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  300.943987]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  300.947760]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  300.951522]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  300.955270] ---[ end trace 320b3b37d81ca0d3 ]---
>[  300.961004] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  300.961009] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  300.961426] [drm:intel_update_fbc], no output, disabling
>[  300.961454] [drm:ironlake_crtc_mode_set], Mode for pipe A:
>[  300.961457] [drm:drm_mode_debug_printmodeline], Modeline 0:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  300.961464] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  300.961467] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  300.961787] [drm:ironlake_update_plane], Writing base 07C3D000 00000000 0 0 2880
>[  301.013098] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  301.013103] [drm:intel_update_fbc], no output, disabling
>[  301.013110] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:720x480]
>[  301.013115] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  301.013119] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  301.013122] [drm:ironlake_write_eld], ELD on pipe A
>[  301.013126] [drm:ironlake_write_eld], Audio directed to unknown port
>[  301.013128] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  301.013144] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 42, cursor: 6
>[  301.013149] [drm:ironlake_check_srwm], watermark 1: display plane 11, fbc lines 3, cursor 6
>[  301.013154] [drm:ironlake_check_srwm], watermark 2: display plane 31, fbc lines 3, cursor 6
>[  301.065130] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  301.117165] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  301.117482] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  301.117485] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  301.117643] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  301.117646] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  301.117648] [drm:ironlake_fdi_link_train], FDI train done
>[  301.117650] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  301.117656] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  301.118883] [drm:intel_update_fbc], fbc set to per-chip default
>[  301.118886] [drm:intel_update_fbc], fbc disabled per module param
>[  301.119132] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  301.119866] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  301.121835] [drm:intel_dp_start_link_train], clock recovery OK
>[  301.121838] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  301.123540] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  301.141123] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  301.141137] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  301.141144] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  301.141150] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  301.141156] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  301.141162] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  301.141168] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  301.141174] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  301.141181] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  301.141186] [drm:intel_modeset_check_state], [CRTC:3]
>[  301.141200] [drm:intel_modeset_check_state], [CRTC:5]
>[  301.141282] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  301.141288] [drm:i915_hotplug_work_func], Connector VGA-1 (pin 1) received hotplug event.
>[  301.141292] [drm:i915_hotplug_work_func], Connector HDMI-A-2 (pin 5) received hotplug event.
>[  301.141296] [drm:i915_hotplug_work_func], Connector HDMI-A-3 (pin 6) received hotplug event.
>[  301.141301] [drm:i915_hotplug_work_func], Connector DP-2 (pin 5) received hotplug event.
>[  301.141304] [drm:i915_hotplug_work_func], Connector DP-3 (pin 6) received hotplug event.
>[  301.141310] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  301.141314] [drm:intel_crt_detect], CRT not detected via hotplug
>[  301.141481] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  301.141487] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  301.141491] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  301.141494] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  301.141851] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  301.141854] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  301.141858] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  301.141862] [drm:intel_hpd_irq_event], [CONNECTOR:7:VGA-1] status updated from 2 to 2
>[  301.142098] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  301.142144] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  301.142161] [drm:intel_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  301.142350] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  301.142358] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  301.142363] [drm:intel_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  301.142372] [drm:intel_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  301.142380] [drm:intel_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  306.189286] [drm:drm_mode_addfb], [FB:91]
>[  306.189321] [drm:drm_mode_setcrtc], [CRTC:3]
>[  306.189325] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  306.189331] [drm:intel_crtc_set_config], [CRTC:3] [FB:91] #connectors=1 (x y) (0 0)
>[  306.189335] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  306.189337] [drm:drm_mode_debug_printmodeline], Modeline 91:"720x480" 60 27000 720 736 798 858 480 489 495 525 0x40 0xa
>[  306.189340] [drm:drm_mode_debug_printmodeline], Modeline 92:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
>[  306.189344] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  306.189346] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  306.189347] [drm:drm_mode_debug_printmodeline], Modeline 92:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
>[  306.189351] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  306.189354] [drm:pipe_config_set_bpp], clamping display bpp (was 24) to EDID reported max of 18
>[  306.189358] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 31500KHz
>[  306.189360] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 18
>[  306.189362] [drm:intel_dp_compute_config], DP link bw required 56700 available 129600
>[  306.189365] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  306.189367] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  306.189368] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 18, dithering: 1
>[  306.189770] [drm:intel_dp_link_down], 
>[  306.252336] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  306.354393] ------------[ cut here ]------------
>[  306.357803] WARNING: at drivers/gpu/drm/i915/intel_display.c:862 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  306.361708] Hardware name: Latitude E6510
>[  306.365603] pipe_off wait timed out
>[  306.369482] Modules linked in: ipv6 dm_mod acpi_cpufreq coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support dcdbas microcode pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_codec_idt lpc_ich mfd_core firewire_ohci snd_hda_intel snd_hda_codec firewire_core crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore wmi battery ppdev parport_pc parport ac joydev i915 video button drm_kms_helper drm mperf freq_table
>[  306.382884] Pid: 4167, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_2b87f3_20130506_+ #1797
>[  306.387452] Call Trace:
>[  306.391996]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  306.396623]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  306.401270]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  306.405934]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  306.410622]  [<f821d30f>] ? ironlake_crtc_disable+0xb9/0x714 [i915]
>[  306.415317]  [<f8220783>] ? __intel_set_mode+0x7e7/0xc76 [i915]
>[  306.419942]  [<f8220820>] ? __intel_set_mode+0x884/0xc76 [i915]
>[  306.424430]  [<c022697b>] ? vprintk+0x15/0x19
>[  306.428931]  [<f8223a7e>] ? intel_set_mode+0x11/0x25 [i915]
>[  306.433308]  [<f8223f63>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  306.437531]  [<f80ab8b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  306.441638]  [<f80ae319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  306.445626]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  306.449513]  [<f80a3c2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  306.453364]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  306.457267]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  306.461119]  [<f80a3a11>] ? drm_copy_field+0x47/0x47 [drm]
>[  306.464937]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  306.468738]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  306.472526]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  306.476350]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  306.480151]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  306.483931]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  306.487715]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  306.491476] ---[ end trace 320b3b37d81ca0d4 ]---
>[  306.497416] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  306.497422] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  306.497838] [drm:intel_update_fbc], no output, disabling
>[  306.497867] [drm:ironlake_crtc_mode_set], Mode for pipe A:
>[  306.497871] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
>[  306.497878] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  306.497881] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  306.498201] [drm:ironlake_update_plane], Writing base 07D8F000 00000000 0 0 2560
>[  306.549510] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  306.549516] [drm:intel_update_fbc], no output, disabling
>[  306.549523] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:640x480]
>[  306.549528] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  306.549532] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  306.549536] [drm:ironlake_write_eld], ELD on pipe A
>[  306.549540] [drm:ironlake_write_eld], Audio directed to unknown port
>[  306.549542] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  306.549558] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 52, cursor: 6
>[  306.549563] [drm:ironlake_check_srwm], watermark 1: display plane 12, fbc lines 3, cursor 6
>[  306.549568] [drm:ironlake_check_srwm], watermark 2: display plane 36, fbc lines 3, cursor 6
>[  306.601542] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  306.653577] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  306.653894] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  306.653897] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  306.654056] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  306.654058] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  306.654061] [drm:ironlake_fdi_link_train], FDI train done
>[  306.654063] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  306.654069] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  306.655296] [drm:intel_update_fbc], fbc set to per-chip default
>[  306.655298] [drm:intel_update_fbc], fbc disabled per module param
>[  306.655511] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  306.656278] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  306.658243] [drm:intel_dp_start_link_train], clock recovery OK
>[  306.658246] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  306.659950] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  306.675536] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  306.675550] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  306.675556] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  306.675562] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  306.675568] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  306.675575] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  306.675581] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  306.675587] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  306.675594] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  306.675599] [drm:intel_modeset_check_state], [CRTC:3]
>[  306.675613] [drm:intel_modeset_check_state], [CRTC:5]
>[  306.675630] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  306.675635] [drm:i915_hotplug_work_func], Connector VGA-1 (pin 1) received hotplug event.
>[  306.675640] [drm:i915_hotplug_work_func], Connector HDMI-A-2 (pin 5) received hotplug event.
>[  306.675644] [drm:i915_hotplug_work_func], Connector HDMI-A-3 (pin 6) received hotplug event.
>[  306.675648] [drm:i915_hotplug_work_func], Connector DP-2 (pin 5) received hotplug event.
>[  306.675652] [drm:i915_hotplug_work_func], Connector DP-3 (pin 6) received hotplug event.
>[  306.675659] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  306.675663] [drm:intel_crt_detect], CRT not detected via hotplug
>[  306.675828] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  306.675834] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  306.675838] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  306.675842] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  306.676205] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  306.676207] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  306.676209] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  306.676211] [drm:intel_hpd_irq_event], [CONNECTOR:7:VGA-1] status updated from 2 to 2
>[  306.676432] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  306.676435] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  306.676438] [drm:intel_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  306.676597] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  306.676601] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  306.676603] [drm:intel_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  306.676608] [drm:intel_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  306.676613] [drm:intel_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  311.724239] [drm:drm_mode_addfb], [FB:92]
>[  311.724274] [drm:drm_mode_setcrtc], [CRTC:3]
>[  311.724282] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  311.724284] [drm:intel_crtc_set_config], [CRTC:3] [FB:92] #connectors=1 (x y) (0 0)
>[  311.724288] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  311.724290] [drm:drm_mode_debug_printmodeline], Modeline 92:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
>[  311.724293] [drm:drm_mode_debug_printmodeline], Modeline 93:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  311.724297] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  311.724299] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  311.724301] [drm:drm_mode_debug_printmodeline], Modeline 93:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  311.724305] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  311.724308] [drm:pipe_config_set_bpp], clamping display bpp (was 24) to EDID reported max of 18
>[  311.724311] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 31500KHz
>[  311.724313] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 18
>[  311.724315] [drm:intel_dp_compute_config], DP link bw required 56700 available 129600
>[  311.724318] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  311.724319] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  311.724321] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 18, dithering: 1
>[  311.724725] [drm:intel_dp_link_down], 
>[  311.784741] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  311.886802] ------------[ cut here ]------------
>[  311.890220] WARNING: at drivers/gpu/drm/i915/intel_display.c:862 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  311.894136] Hardware name: Latitude E6510
>[  311.898037] pipe_off wait timed out
>[  311.901908] Modules linked in: ipv6 dm_mod acpi_cpufreq coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support dcdbas microcode pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_codec_idt lpc_ich mfd_core firewire_ohci snd_hda_intel snd_hda_codec firewire_core crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore wmi battery ppdev parport_pc parport ac joydev i915 video button drm_kms_helper drm mperf freq_table
>[  311.915322] Pid: 4167, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_2b87f3_20130506_+ #1797
>[  311.919899] Call Trace:
>[  311.924445]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  311.929080]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  311.933729]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  311.938407]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  311.943103]  [<f821d30f>] ? ironlake_crtc_disable+0xb9/0x714 [i915]
>[  311.947816]  [<f8220783>] ? __intel_set_mode+0x7e7/0xc76 [i915]
>[  311.952452]  [<f8220820>] ? __intel_set_mode+0x884/0xc76 [i915]
>[  311.956955]  [<c022697b>] ? vprintk+0x15/0x19
>[  311.961472]  [<f8223a7e>] ? intel_set_mode+0x11/0x25 [i915]
>[  311.965860]  [<f8223f63>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  311.970099]  [<f80ab8b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  311.974189]  [<f80ae319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  311.978167]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  311.982051]  [<f80a3c2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  311.986137]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  311.990667]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  311.995673]  [<f80a3a11>] ? drm_copy_field+0x47/0x47 [drm]
>[  311.999886]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  312.003686]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  312.007482]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  312.011312]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  312.015116]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  312.018906]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  312.022695]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  312.026463] ---[ end trace 320b3b37d81ca0d5 ]---
>[  312.031827] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  312.031833] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  312.032249] [drm:intel_update_fbc], no output, disabling
>[  312.032278] [drm:ironlake_crtc_mode_set], Mode for pipe A:
>[  312.032281] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  312.032288] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  312.032292] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  312.032610] [drm:ironlake_update_plane], Writing base 07EBB000 00000000 0 0 2560
>[  312.083918] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  312.083924] [drm:intel_update_fbc], no output, disabling
>[  312.083931] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:640x480]
>[  312.083936] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  312.083940] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  312.083944] [drm:ironlake_write_eld], ELD on pipe A
>[  312.083948] [drm:ironlake_write_eld], Audio directed to unknown port
>[  312.083950] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  312.083967] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 52, cursor: 6
>[  312.083972] [drm:ironlake_check_srwm], watermark 1: display plane 12, fbc lines 3, cursor 6
>[  312.083977] [drm:ironlake_check_srwm], watermark 2: display plane 36, fbc lines 3, cursor 6
>[  312.135988] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  312.187989] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  312.188306] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  312.188309] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  312.188468] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  312.188470] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  312.188473] [drm:ironlake_fdi_link_train], FDI train done
>[  312.188475] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  312.188481] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  312.189708] [drm:intel_update_fbc], fbc set to per-chip default
>[  312.189711] [drm:intel_update_fbc], fbc disabled per module param
>[  312.189824] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  312.190693] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  312.192658] [drm:intel_dp_start_link_train], clock recovery OK
>[  312.192661] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  312.194364] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  312.207937] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  312.207946] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  312.207950] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  312.207953] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  312.207956] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  312.207960] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  312.207964] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  312.207967] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  312.207971] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  312.207974] [drm:intel_modeset_check_state], [CRTC:3]
>[  312.207984] [drm:intel_modeset_check_state], [CRTC:5]
>[  312.207993] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  312.207996] [drm:i915_hotplug_work_func], Connector VGA-1 (pin 1) received hotplug event.
>[  312.207998] [drm:i915_hotplug_work_func], Connector HDMI-A-2 (pin 5) received hotplug event.
>[  312.208000] [drm:i915_hotplug_work_func], Connector HDMI-A-3 (pin 6) received hotplug event.
>[  312.208002] [drm:i915_hotplug_work_func], Connector DP-2 (pin 5) received hotplug event.
>[  312.208004] [drm:i915_hotplug_work_func], Connector DP-3 (pin 6) received hotplug event.
>[  312.208009] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  312.208011] [drm:intel_crt_detect], CRT not detected via hotplug
>[  312.208228] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  312.208231] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  312.208234] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  312.208235] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  312.208588] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  312.208590] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  312.208592] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  312.208594] [drm:intel_hpd_irq_event], [CONNECTOR:7:VGA-1] status updated from 2 to 2
>[  312.208755] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  312.208758] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  312.208760] [drm:intel_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  312.208930] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  312.208942] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  312.208952] [drm:intel_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  312.208964] [drm:intel_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  312.208973] [drm:intel_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  317.301174] [drm:drm_mode_addfb], [FB:93]
>[  317.301233] [drm:drm_mode_setcrtc], [CRTC:3]
>[  317.301240] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  317.301244] [drm:intel_crtc_set_config], [CRTC:3] [FB:93] #connectors=1 (x y) (0 0)
>[  317.301252] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  317.301256] [drm:drm_mode_debug_printmodeline], Modeline 93:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
>[  317.301262] [drm:drm_mode_debug_printmodeline], Modeline 94:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  317.301270] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  317.301275] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  317.301278] [drm:drm_mode_debug_printmodeline], Modeline 94:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  317.301285] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  317.301290] [drm:pipe_config_set_bpp], clamping display bpp (was 24) to EDID reported max of 18
>[  317.301295] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 30240KHz
>[  317.301300] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 18
>[  317.301304] [drm:intel_dp_compute_config], DP link bw required 54432 available 129600
>[  317.301308] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  317.301312] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  317.301315] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 18, dithering: 1
>[  317.301726] [drm:intel_dp_link_down], 
>[  317.358175] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  317.460238] ------------[ cut here ]------------
>[  317.462081] WARNING: at drivers/gpu/drm/i915/intel_display.c:862 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  317.463909] Hardware name: Latitude E6510
>[  317.465737] pipe_off wait timed out
>[  317.467571] Modules linked in: ipv6 dm_mod acpi_cpufreq coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support dcdbas microcode pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_codec_idt lpc_ich mfd_core firewire_ohci snd_hda_intel snd_hda_codec firewire_core crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore wmi battery ppdev parport_pc parport ac joydev i915 video button drm_kms_helper drm mperf freq_table
>[  317.473861] Pid: 4167, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_2b87f3_20130506_+ #1797
>[  317.475956] Call Trace:
>[  317.478041]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  317.480150]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  317.482283]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  317.484412]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  317.486559]  [<f821d30f>] ? ironlake_crtc_disable+0xb9/0x714 [i915]
>[  317.488715]  [<f8220783>] ? __intel_set_mode+0x7e7/0xc76 [i915]
>[  317.490837]  [<f8220820>] ? __intel_set_mode+0x884/0xc76 [i915]
>[  317.492901]  [<c022697b>] ? vprintk+0x15/0x19
>[  317.494976]  [<f8223a7e>] ? intel_set_mode+0x11/0x25 [i915]
>[  317.496995]  [<f8223f63>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  317.498996]  [<f80ab8b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  317.500902]  [<f80ae319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  317.502775]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  317.504596]  [<f80a3c2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  317.506406]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  317.508214]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  317.510024]  [<f80a3a11>] ? drm_copy_field+0x47/0x47 [drm]
>[  317.511816]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  317.513595]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  317.515369]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  317.517155]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  317.519070]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  317.520847]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  317.522618]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  317.524384] ---[ end trace 320b3b37d81ca0d6 ]---
>[  317.530290] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  317.530297] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  317.530713] [drm:intel_update_fbc], no output, disabling
>[  317.530728] [drm:ironlake_crtc_mode_set], Mode for pipe A:
>[  317.530730] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  317.530733] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  317.530735] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  317.531051] [drm:ironlake_update_plane], Writing base 07FE7000 00000000 0 0 2560
>[  317.582310] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  317.582317] [drm:intel_update_fbc], no output, disabling
>[  317.582324] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:640x480]
>[  317.582330] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  317.582335] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  317.582340] [drm:ironlake_write_eld], ELD on pipe A
>[  317.582344] [drm:ironlake_write_eld], Audio directed to unknown port
>[  317.582347] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  317.582363] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 52, cursor: 6
>[  317.582369] [drm:ironlake_check_srwm], watermark 1: display plane 12, fbc lines 3, cursor 6
>[  317.582375] [drm:ironlake_check_srwm], watermark 2: display plane 34, fbc lines 3, cursor 6
>[  317.634356] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  317.686378] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  317.686694] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  317.686696] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  317.686852] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  317.686854] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  317.686855] [drm:ironlake_fdi_link_train], FDI train done
>[  317.686856] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  317.686860] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  317.688084] [drm:intel_update_fbc], fbc set to per-chip default
>[  317.688085] [drm:intel_update_fbc], fbc disabled per module param
>[  317.688335] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  317.689099] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  317.691060] [drm:intel_dp_start_link_train], clock recovery OK
>[  317.691062] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  317.693316] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  317.709365] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  317.709378] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  317.709384] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  317.709388] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  317.709393] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  317.709399] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  317.709404] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  317.709409] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  317.709414] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  317.709419] [drm:intel_modeset_check_state], [CRTC:3]
>[  317.709431] [drm:intel_modeset_check_state], [CRTC:5]
>[  317.709451] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  317.709459] [drm:i915_hotplug_work_func], Connector VGA-1 (pin 1) received hotplug event.
>[  317.709465] [drm:i915_hotplug_work_func], Connector HDMI-A-2 (pin 5) received hotplug event.
>[  317.709469] [drm:i915_hotplug_work_func], Connector HDMI-A-3 (pin 6) received hotplug event.
>[  317.709474] [drm:i915_hotplug_work_func], Connector DP-2 (pin 5) received hotplug event.
>[  317.709478] [drm:i915_hotplug_work_func], Connector DP-3 (pin 6) received hotplug event.
>[  317.709484] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  317.709488] [drm:intel_crt_detect], CRT not detected via hotplug
>[  317.709719] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  317.709727] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  317.709731] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  317.709734] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  317.710103] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  317.710109] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  317.710113] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  317.710117] [drm:intel_hpd_irq_event], [CONNECTOR:7:VGA-1] status updated from 2 to 2
>[  317.710322] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  317.710328] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  317.710333] [drm:intel_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  317.710502] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  317.710505] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  317.710508] [drm:intel_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  317.710513] [drm:intel_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  317.710517] [drm:intel_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  322.800521] [drm:drm_mode_addfb], [FB:94]
>[  322.800583] [drm:drm_mode_setcrtc], [CRTC:3]
>[  322.800592] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  322.800597] [drm:intel_crtc_set_config], [CRTC:3] [FB:94] #connectors=1 (x y) (0 0)
>[  322.800605] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  322.800609] [drm:drm_mode_debug_printmodeline], Modeline 94:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
>[  322.800616] [drm:drm_mode_debug_printmodeline], Modeline 95:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  322.800627] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  322.800633] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  322.800637] [drm:drm_mode_debug_printmodeline], Modeline 95:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  322.800646] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  322.800653] [drm:pipe_config_set_bpp], clamping display bpp (was 24) to EDID reported max of 18
>[  322.800660] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 25200KHz
>[  322.800665] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 18
>[  322.800670] [drm:intel_dp_compute_config], DP link bw required 45360 available 129600
>[  322.800676] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  322.800681] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  322.800685] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 18, dithering: 1
>[  322.801151] [drm:intel_dp_link_down], 
>[  322.865569] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  322.967632] ------------[ cut here ]------------
>[  322.971046] WARNING: at drivers/gpu/drm/i915/intel_display.c:862 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  322.975010] Hardware name: Latitude E6510
>[  322.978922] pipe_off wait timed out
>[  322.982808] Modules linked in: ipv6 dm_mod acpi_cpufreq coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support dcdbas microcode pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_codec_idt lpc_ich mfd_core firewire_ohci snd_hda_intel snd_hda_codec firewire_core crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore wmi battery ppdev parport_pc parport ac joydev i915 video button drm_kms_helper drm mperf freq_table
>[  322.996195] Pid: 4167, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_2b87f3_20130506_+ #1797
>[  323.000762] Call Trace:
>[  323.005305]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  323.009932]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  323.014928]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  323.020401]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  323.025960]  [<f821d30f>] ? ironlake_crtc_disable+0xb9/0x714 [i915]
>[  323.031527]  [<f8220783>] ? __intel_set_mode+0x7e7/0xc76 [i915]
>[  323.034861]  [<f8220820>] ? __intel_set_mode+0x884/0xc76 [i915]
>[  323.040170]  [<c022697b>] ? vprintk+0x15/0x19
>[  323.045505]  [<f8223a7e>] ? intel_set_mode+0x11/0x25 [i915]
>[  323.050691]  [<f8223f63>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  323.055647]  [<f80ab8b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  323.060441]  [<f80ae319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  323.065091]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  323.069693]  [<f80a3c2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  323.074302]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  323.078820]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  323.083386]  [<f80a3a11>] ? drm_copy_field+0x47/0x47 [drm]
>[  323.087950]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  323.092444]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  323.096905]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  323.101421]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  323.105916]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  323.110378]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  323.114850]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  323.119292] ---[ end trace 320b3b37d81ca0d7 ]---
>[  323.127667] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  323.127672] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  323.128089] [drm:intel_update_fbc], no output, disabling
>[  323.128117] [drm:ironlake_crtc_mode_set], Mode for pipe A:
>[  323.128120] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  323.128127] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  323.128130] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  323.128449] [drm:ironlake_update_plane], Writing base 08113000 00000000 0 0 2560
>[  323.179760] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  323.179765] [drm:intel_update_fbc], no output, disabling
>[  323.179772] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:640x480]
>[  323.179777] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  323.179781] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  323.179785] [drm:ironlake_write_eld], ELD on pipe A
>[  323.179789] [drm:ironlake_write_eld], Audio directed to unknown port
>[  323.179791] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  323.179808] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 52, cursor: 6
>[  323.179813] [drm:ironlake_check_srwm], watermark 1: display plane 10, fbc lines 3, cursor 6
>[  323.179818] [drm:ironlake_check_srwm], watermark 2: display plane 29, fbc lines 3, cursor 6
>[  323.231796] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  323.283828] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  323.284145] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  323.284148] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  323.284306] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  323.284309] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  323.284311] [drm:ironlake_fdi_link_train], FDI train done
>[  323.284313] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  323.284319] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  323.285546] [drm:intel_update_fbc], fbc set to per-chip default
>[  323.285548] [drm:intel_update_fbc], fbc disabled per module param
>[  323.285777] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  323.286537] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  323.288506] [drm:intel_dp_start_link_train], clock recovery OK
>[  323.288509] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  323.290206] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  323.307858] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  323.307871] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  323.307877] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  323.307881] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  323.307886] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  323.307891] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  323.307896] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  323.307901] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  323.307907] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  323.307911] [drm:intel_modeset_check_state], [CRTC:3]
>[  323.307924] [drm:intel_modeset_check_state], [CRTC:5]
>[  323.307942] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  323.307947] [drm:i915_hotplug_work_func], Connector VGA-1 (pin 1) received hotplug event.
>[  323.307954] [drm:i915_hotplug_work_func], Connector HDMI-A-2 (pin 5) received hotplug event.
>[  323.307959] [drm:i915_hotplug_work_func], Connector HDMI-A-3 (pin 6) received hotplug event.
>[  323.307964] [drm:i915_hotplug_work_func], Connector DP-2 (pin 5) received hotplug event.
>[  323.307970] [drm:i915_hotplug_work_func], Connector DP-3 (pin 6) received hotplug event.
>[  323.307977] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  323.307982] [drm:intel_crt_detect], CRT not detected via hotplug
>[  323.308184] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  323.308190] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  323.308194] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  323.308197] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  323.308554] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  323.308557] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  323.308561] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  323.308565] [drm:intel_hpd_irq_event], [CONNECTOR:7:VGA-1] status updated from 2 to 2
>[  323.308732] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  323.308738] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  323.308742] [drm:intel_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  323.308965] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  323.308971] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  323.308975] [drm:intel_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  323.308982] [drm:intel_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  323.308988] [drm:intel_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  328.400377] [drm:drm_mode_addfb], [FB:95]
>[  328.400437] [drm:drm_mode_setcrtc], [CRTC:3]
>[  328.400444] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  328.400448] [drm:intel_crtc_set_config], [CRTC:3] [FB:95] #connectors=1 (x y) (0 0)
>[  328.400455] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  328.400459] [drm:drm_mode_debug_printmodeline], Modeline 95:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
>[  328.400465] [drm:drm_mode_debug_printmodeline], Modeline 96:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  328.400473] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  328.400477] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  328.400480] [drm:drm_mode_debug_printmodeline], Modeline 96:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  328.400488] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  328.400493] [drm:pipe_config_set_bpp], clamping display bpp (was 24) to EDID reported max of 18
>[  328.400498] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 25175KHz
>[  328.400502] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 18
>[  328.400507] [drm:intel_dp_compute_config], DP link bw required 45315 available 129600
>[  328.400511] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  328.400515] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  328.400518] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 18, dithering: 1
>[  328.400928] [drm:intel_dp_link_down], 
>[  328.464022] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  328.566083] ------------[ cut here ]------------
>[  328.569493] WARNING: at drivers/gpu/drm/i915/intel_display.c:862 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  328.573408] Hardware name: Latitude E6510
>[  328.577311] pipe_off wait timed out
>[  328.581185] Modules linked in: ipv6 dm_mod acpi_cpufreq coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support dcdbas microcode pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_codec_idt lpc_ich mfd_core firewire_ohci snd_hda_intel snd_hda_codec firewire_core crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore wmi battery ppdev parport_pc parport ac joydev i915 video button drm_kms_helper drm mperf freq_table
>[  328.594571] Pid: 4167, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_2b87f3_20130506_+ #1797
>[  328.599147] Call Trace:
>[  328.603688]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  328.608318]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  328.612968]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  328.617633]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  328.622323]  [<f821d30f>] ? ironlake_crtc_disable+0xb9/0x714 [i915]
>[  328.627021]  [<f8220783>] ? __intel_set_mode+0x7e7/0xc76 [i915]
>[  328.631652]  [<f8220820>] ? __intel_set_mode+0x884/0xc76 [i915]
>[  328.636141]  [<c022697b>] ? vprintk+0x15/0x19
>[  328.640650]  [<f8223a7e>] ? intel_set_mode+0x11/0x25 [i915]
>[  328.645032]  [<f8223f63>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  328.649274]  [<f80ab8b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  328.653366]  [<f80ae319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  328.657334]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  328.661211]  [<f80a3c2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  328.665059]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  328.668905]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  328.672744]  [<f80a3a11>] ? drm_copy_field+0x47/0x47 [drm]
>[  328.676556]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  328.680356]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  328.684133]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  328.687942]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  328.691731]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  328.695500]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  328.699264]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  328.703008] ---[ end trace 320b3b37d81ca0d8 ]---
>[  328.710179] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  328.710187] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  328.710603] [drm:intel_update_fbc], no output, disabling
>[  328.710632] [drm:ironlake_crtc_mode_set], Mode for pipe A:
>[  328.710635] [drm:drm_mode_debug_printmodeline], Modeline 0:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  328.710643] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  328.710646] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  328.710965] [drm:ironlake_update_plane], Writing base 0823F000 00000000 0 0 2560
>[  328.762204] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  328.762210] [drm:intel_update_fbc], no output, disabling
>[  328.762218] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:640x480]
>[  328.762224] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  328.762228] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  328.762233] [drm:ironlake_write_eld], ELD on pipe A
>[  328.762237] [drm:ironlake_write_eld], Audio directed to unknown port
>[  328.762240] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  328.762256] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 52, cursor: 6
>[  328.762262] [drm:ironlake_check_srwm], watermark 1: display plane 10, fbc lines 3, cursor 6
>[  328.762268] [drm:ironlake_check_srwm], watermark 2: display plane 29, fbc lines 3, cursor 6
>[  328.814236] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  328.866272] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  328.866590] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  328.866594] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  328.866752] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  328.866756] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  328.866759] [drm:ironlake_fdi_link_train], FDI train done
>[  328.866762] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  328.866768] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  328.867996] [drm:intel_update_fbc], fbc set to per-chip default
>[  328.868000] [drm:intel_update_fbc], fbc disabled per module param
>[  328.868232] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  328.868996] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  328.870969] [drm:intel_dp_start_link_train], clock recovery OK
>[  328.870972] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  328.872675] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  328.890227] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  328.890241] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  328.890248] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  328.890253] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  328.890260] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  328.890266] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  328.890272] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  328.890278] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  328.890284] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  328.890290] [drm:intel_modeset_check_state], [CRTC:3]
>[  328.890303] [drm:intel_modeset_check_state], [CRTC:5]
>[  328.890320] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  328.890327] [drm:i915_hotplug_work_func], Connector VGA-1 (pin 1) received hotplug event.
>[  328.890332] [drm:i915_hotplug_work_func], Connector HDMI-A-2 (pin 5) received hotplug event.
>[  328.890338] [drm:i915_hotplug_work_func], Connector HDMI-A-3 (pin 6) received hotplug event.
>[  328.890342] [drm:i915_hotplug_work_func], Connector DP-2 (pin 5) received hotplug event.
>[  328.890346] [drm:i915_hotplug_work_func], Connector DP-3 (pin 6) received hotplug event.
>[  328.890352] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  328.890356] [drm:intel_crt_detect], CRT not detected via hotplug
>[  328.890586] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  328.890594] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  328.890598] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  328.890601] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  328.890958] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  328.890961] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  328.890965] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  328.890969] [drm:intel_hpd_irq_event], [CONNECTOR:7:VGA-1] status updated from 2 to 2
>[  328.891137] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  328.891143] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  328.891147] [drm:intel_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  328.891322] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  328.891329] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  328.891334] [drm:intel_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  328.891341] [drm:intel_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  328.891347] [drm:intel_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  333.933439] [drm:drm_mode_addfb], [FB:96]
>[  333.933471] [drm:drm_mode_setcrtc], [CRTC:3]
>[  333.933479] [drm:drm_mode_setcrtc], [CONNECTOR:21:DP-1]
>[  333.933481] [drm:intel_crtc_set_config], [CRTC:3] [FB:96] #connectors=1 (x y) (0 0)
>[  333.933484] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  333.933485] [drm:drm_mode_debug_printmodeline], Modeline 96:"640x480" 60 25175 640 656 752 800 480 490 492 525 0x40 0xa
>[  333.933488] [drm:drm_mode_debug_printmodeline], Modeline 97:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  333.933492] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:3]
>[  333.933494] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  333.933495] [drm:drm_mode_debug_printmodeline], Modeline 97:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  333.933499] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  333.933502] [drm:pipe_config_set_bpp], clamping display bpp (was 24) to EDID reported max of 18
>[  333.933505] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 28320KHz
>[  333.933507] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 18
>[  333.933509] [drm:intel_dp_compute_config], DP link bw required 50976 available 129600
>[  333.933511] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe A, lanes 1
>[  333.933513] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  333.933514] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 18, dithering: 1
>[  333.933919] [drm:intel_dp_link_down], 
>[  334.002432] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  334.104496] ------------[ cut here ]------------
>[  334.107954] WARNING: at drivers/gpu/drm/i915/intel_display.c:862 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  334.110034] Hardware name: Latitude E6510
>[  334.111909] pipe_off wait timed out
>[  334.115792] Modules linked in: ipv6 dm_mod acpi_cpufreq coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support dcdbas microcode pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_codec_idt lpc_ich mfd_core firewire_ohci snd_hda_intel snd_hda_codec firewire_core crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore wmi battery ppdev parport_pc parport ac joydev i915 video button drm_kms_helper drm mperf freq_table
>[  334.129181] Pid: 4167, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_2b87f3_20130506_+ #1797
>[  334.133780] Call Trace:
>[  334.138373]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  334.143047]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  334.147800]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  334.152527]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  334.157268]  [<f821d30f>] ? ironlake_crtc_disable+0xb9/0x714 [i915]
>[  334.162022]  [<f8220783>] ? __intel_set_mode+0x7e7/0xc76 [i915]
>[  334.166699]  [<f8220820>] ? __intel_set_mode+0x884/0xc76 [i915]
>[  334.171240]  [<c022697b>] ? vprintk+0x15/0x19
>[  334.175808]  [<f8223a7e>] ? intel_set_mode+0x11/0x25 [i915]
>[  334.180238]  [<f8223f63>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  334.184540]  [<f80ab8b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  334.186748]  [<f80ae319>] ? drm_mode_setcrtc+0x33c/0x3af [drm]
>[  334.188979]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  334.191063]  [<f80a3c2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  334.193144]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  334.195213]  [<f80adfdd>] ? drm_mode_setplane+0x28f/0x28f [drm]
>[  334.197296]  [<f80a3a11>] ? drm_copy_field+0x47/0x47 [drm]
>[  334.199352]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  334.201453]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  334.203521]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  334.205581]  [<c02aa707>] ? vfs_write+0xd3/0x11c
>[  334.207652]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  334.209703]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  334.211771]  [<c06864a2>] ? bnx2x_leader_reset+0x36a/0x618
>[  334.213811] ---[ end trace 320b3b37d81ca0d9 ]---
>[  334.217503] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  334.217509] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  334.217927] [drm:intel_update_fbc], no output, disabling
>[  334.217955] [drm:ironlake_crtc_mode_set], Mode for pipe A:
>[  334.217958] [drm:drm_mode_debug_printmodeline], Modeline 0:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  334.217965] [drm:intel_get_pch_pll], CRTC:3 reusing existing PCH PLL c6014
>[  334.217968] [drm:intel_get_pch_pll], switching PLL c6014 off
>[  334.218288] [drm:ironlake_update_plane], Writing base 0836B000 00000000 0 0 2880
>[  334.269603] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  334.269609] [drm:intel_update_fbc], no output, disabling
>[  334.269617] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:720x400]
>[  334.269623] [drm:intel_dp_mode_set], Enabling DP audio on pipe A
>[  334.269627] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  334.269631] [drm:ironlake_write_eld], ELD on pipe A
>[  334.269636] [drm:ironlake_write_eld], Audio directed to unknown port
>[  334.269639] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  334.269655] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 42, cursor: 6
>[  334.269660] [drm:ironlake_check_srwm], watermark 1: display plane 11, fbc lines 3, cursor 6
>[  334.269666] [drm:ironlake_check_srwm], watermark 2: display plane 33, fbc lines 3, cursor 6
>[  334.321631] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  334.373663] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  334.373981] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  334.373984] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  334.374141] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  334.374144] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  334.374147] [drm:ironlake_fdi_link_train], FDI train done
>[  334.374149] [drm:ironlake_enable_pch_pll], enable PCH PLL c6014 (active 0, on? 0)for crtc 3
>[  334.374154] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6014
>[  334.375382] [drm:intel_update_fbc], fbc set to per-chip default
>[  334.375385] [drm:intel_update_fbc], fbc disabled per module param
>[  334.375664] [drm:ibx_irq_handler], PCH transcoder A FIFO underrun
>[  334.376371] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  334.378347] [drm:intel_dp_start_link_train], clock recovery OK
>[  334.378350] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  334.380046] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  334.395620] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  334.395634] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  334.395641] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  334.395646] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  334.395653] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  334.395659] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  334.395665] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  334.395672] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  334.395678] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  334.395684] [drm:intel_modeset_check_state], [CRTC:3]
>[  334.395697] [drm:intel_modeset_check_state], [CRTC:5]
>[  334.395714] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  334.395721] [drm:i915_hotplug_work_func], Connector VGA-1 (pin 1) received hotplug event.
>[  334.395726] [drm:i915_hotplug_work_func], Connector HDMI-A-2 (pin 5) received hotplug event.
>[  334.395731] [drm:i915_hotplug_work_func], Connector HDMI-A-3 (pin 6) received hotplug event.
>[  334.395737] [drm:i915_hotplug_work_func], Connector DP-2 (pin 5) received hotplug event.
>[  334.395742] [drm:i915_hotplug_work_func], Connector DP-3 (pin 6) received hotplug event.
>[  334.395749] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  334.395754] [drm:intel_crt_detect], CRT not detected via hotplug
>[  334.395926] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  334.395932] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  334.395936] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  334.395939] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  334.396296] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  334.396299] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  334.396303] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  334.396307] [drm:intel_hpd_irq_event], [CONNECTOR:7:VGA-1] status updated from 2 to 2
>[  334.396479] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  334.396485] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  334.396489] [drm:intel_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  334.396678] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  334.396702] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  334.396721] [drm:intel_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  334.396746] [drm:intel_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  334.396758] [drm:intel_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  339.398950] [drm:intel_crtc_set_config], [CRTC:3] [NOFB]
>[  339.398957] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [NOCRTC]
>[  339.398961] [drm:intel_modeset_stage_output_state], encoder changed, full mode switch
>[  339.398963] [drm:intel_modeset_stage_output_state], crtc changed, full mode switch
>[  339.398967] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 0, prepare: 0, disable: 1
>[  339.399438] [drm:intel_dp_link_down], 
>[  339.459801] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  339.561866] ------------[ cut here ]------------
>[  339.565665] WARNING: at drivers/gpu/drm/i915/intel_display.c:862 intel_wait_for_pipe_off+0x14b/0x154 [i915]()
>[  339.569614] Hardware name: Latitude E6510
>[  339.573523] pipe_off wait timed out
>[  339.577396] Modules linked in: ipv6 dm_mod acpi_cpufreq coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support dcdbas microcode pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_codec_idt lpc_ich mfd_core firewire_ohci snd_hda_intel snd_hda_codec firewire_core crc_itu_t snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore wmi battery ppdev parport_pc parport ac joydev i915 video button drm_kms_helper drm mperf freq_table
>[  339.590797] Pid: 4167, comm: testdisplay Tainted: G        W    3.9.0-rc5_drm-intel-next-queued_2b87f3_20130506_+ #1797
>[  339.595373] Call Trace:
>[  339.599918]  [<c022480e>] ? warn_slowpath_common+0x68/0x7b
>[  339.604547]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  339.609196]  [<c0224889>] ? warn_slowpath_fmt+0x29/0x2d
>[  339.613867]  [<f821c122>] ? intel_wait_for_pipe_off+0x14b/0x154 [i915]
>[  339.618563]  [<f821d30f>] ? ironlake_crtc_disable+0xb9/0x714 [i915]
>[  339.623263]  [<f80a7b04>] ? drm_ut_debug_printk+0x34/0x37 [drm]
>[  339.627914]  [<f821dce8>] ? intel_crtc_disable+0x31/0xe0 [i915]
>[  339.632484]  [<f82207e2>] ? __intel_set_mode+0x846/0xc76 [i915]
>[  339.637033]  [<c023b983>] ? up+0x9/0x2a
>[  339.641407]  [<c0225e02>] ? console_unlock+0x309/0x33d
>[  339.645637]  [<c02251e3>] ? cont_add+0x4e/0xb9
>[  339.649702]  [<f8223a7e>] ? intel_set_mode+0x11/0x25 [i915]
>[  339.653691]  [<f8223f63>] ? intel_crtc_set_config+0x4d1/0x649 [i915]
>[  339.657599]  [<f80ab8b1>] ? drm_mode_set_config_internal+0x14/0x36 [drm]
>[  339.661806]  [<f80ac0ab>] ? drm_framebuffer_remove+0x6d/0xff [drm]
>[  339.666436]  [<f80aeb5b>] ? drm_mode_rmfb+0xaa/0xc9 [drm]
>[  339.671082]  [<f80aeab1>] ? drm_mode_addfb2+0x519/0x519 [drm]
>[  339.675601]  [<f80a3c2c>] ? drm_ioctl+0x21b/0x2b7 [drm]
>[  339.680145]  [<f80aeab1>] ? drm_mode_addfb2+0x519/0x519 [drm]
>[  339.684657]  [<c084f6d5>] ? __schedule+0x559/0x65f
>[  339.688602]  [<c023a1a6>] ? enqueue_hrtimer+0x10/0x2e
>[  339.692445]  [<c023a9d7>] ? __hrtimer_start_range_ns+0x255/0x26c
>[  339.696304]  [<c023a4bd>] ? lock_hrtimer_base.isra.25+0x14/0x2d
>[  339.700164]  [<f80a3a11>] ? drm_copy_field+0x47/0x47 [drm]
>[  339.703995]  [<c02b5d94>] ? vfs_ioctl+0x18/0x21
>[  339.707817]  [<c02b6788>] ? do_vfs_ioctl+0x414/0x454
>[  339.711641]  [<c023af3a>] ? hrtimer_nanosleep+0x69/0xcc
>[  339.715471]  [<c023a24f>] ? update_rmtp+0x5e/0x5e
>[  339.719277]  [<c02b6806>] ? sys_ioctl+0x3e/0x5c
>[  339.723051]  [<c085475a>] ? sysenter_do_call+0x12/0x22
>[  339.726825] ---[ end trace 320b3b37d81ca0da ]---
>[  339.731901] [drm:intel_disable_pch_pll], disable PCH PLL c6014 (active 1, on? 1) for crtc 3
>[  339.731907] [drm:intel_disable_pch_pll], disabling PCH PLL c6014
>[  339.732322] [drm:intel_update_fbc], no output, disabling
>[  339.732340] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  339.732346] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  339.732350] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  339.732355] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  339.732360] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  339.732366] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  339.732371] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  339.732376] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  339.732380] [drm:intel_modeset_check_state], [CRTC:3]
>[  339.732384] [drm:intel_modeset_check_state], [CRTC:5]
>[  339.732398] [drm:drm_mode_setcrtc], [CRTC:3]
>[  339.732402] [drm:drm_mode_setcrtc], Count connectors is 1 but no mode or fb set
>[  339.732414] [drm:i915_hotplug_work_func], 
>[  339.732417] [drm:drm_mode_getconnector], [CONNECTOR:23:?]
>[  339.735946] running encoder hotplug functions
>[  339.739626] [drm:i915_hotplug_work_func], Connector VGA-1 (pin 1) received hotplug event.
>[  339.739633] [drm:i915_hotplug_work_func], Connector HDMI-A-2 (pin 5) received hotplug event.
>[  339.739638] [drm:i915_hotplug_work_func], Connector HDMI-A-3 (pin 6) received hotplug event.
>[  339.739643] [drm:i915_hotplug_work_func], Connector DP-2 (pin 5) received hotplug event.
>[  339.739649] [drm:i915_hotplug_work_func], Connector DP-3 (pin 6) received hotplug event.
>[  339.739656] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  339.739661] [drm:intel_crt_detect], CRT not detected via hotplug
>[  339.739831] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  339.739835] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  339.739836] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  339.739838] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  339.740195] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  339.740198] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  339.740202] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  339.740206] [drm:intel_hpd_irq_event], [CONNECTOR:7:VGA-1] status updated from 2 to 2
>[  339.740436] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  339.740444] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  339.740449] [drm:intel_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  339.740616] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  339.740622] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  339.740626] [drm:intel_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  339.740633] [drm:intel_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  339.740639] [drm:intel_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2
>[  339.740651] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:23:HDMI-A-2]
>[  339.740829] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  339.740835] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  339.740840] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:23:HDMI-A-2] disconnected
>[  339.740850] [drm:drm_mode_getconnector], [CONNECTOR:23:?]
>[  339.740854] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:23:HDMI-A-2]
>[  339.741028] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  339.741035] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  339.741040] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:23:HDMI-A-2] disconnected
>[  339.741055] [drm:drm_mode_getconnector], [CONNECTOR:25:?]
>[  339.741061] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:25:HDMI-A-3]
>[  339.741242] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  339.741249] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  339.741254] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:25:HDMI-A-3] disconnected
>[  339.741263] [drm:drm_mode_getconnector], [CONNECTOR:25:?]
>[  339.741267] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:25:HDMI-A-3]
>[  339.741504] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  339.741512] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  339.741517] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:25:HDMI-A-3] disconnected
>[  339.741529] [drm:drm_mode_getconnector], [CONNECTOR:27:?]
>[  339.741531] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:27:DP-2]
>[  339.741535] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:27:DP-2] disconnected
>[  339.741537] [drm:drm_mode_getconnector], [CONNECTOR:27:?]
>[  339.741539] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:27:DP-2]
>[  339.741542] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:27:DP-2] disconnected
>[  339.741546] [drm:drm_mode_getconnector], [CONNECTOR:29:?]
>[  339.741548] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:29:DP-3]
>[  339.741551] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:29:DP-3] disconnected
>[  339.741553] [drm:drm_mode_getconnector], [CONNECTOR:29:?]
>[  339.741555] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:29:DP-3]
>[  339.741558] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:29:DP-3] disconnected
>[  339.848271] [drm:intel_crtc_set_config], [CRTC:3] [FB:35] #connectors=1 (x y) (0 0)
>[  339.848280] [drm:intel_set_config_compute_mode_changes], crtc has no fb, full mode set
>[  339.848284] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
>[  339.848288] [drm:drm_mode_debug_printmodeline], Modeline 97:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
>[  339.848294] [drm:drm_mode_debug_printmodeline], Modeline 12:"1366x768" 60 69000 1366 1398 1422 1426 768 771 775 806 0x48 0x9
>[  339.848300] [drm:intel_modeset_stage_output_state], encoder changed, full mode switch
>[  339.848304] [drm:intel_modeset_stage_output_state], [CONNECTOR:10:eDP-1] to [CRTC:3]
>[  339.848308] [drm:intel_modeset_stage_output_state], crtc changed, full mode switch
>[  339.848312] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  339.848315] [drm:drm_mode_debug_printmodeline], Modeline 12:"1366x768" 60 69000 1366 1398 1422 1426 768 771 775 806 0x48 0x9
>[  339.848321] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
>[  339.848327] [drm:pipe_config_set_bpp], clamping display bpp (was 24) to EDID reported max of 18
>[  339.848332] [drm:intel_dp_compute_config], DP link computation with max lane count 1 max bw 0a pixel clock 69000KHz
>[  339.848337] [drm:intel_dp_compute_config], forcing bpp for eDP panel to BIOS-provided 18
>[  339.848340] [drm:intel_dp_compute_config], DP link bw 06 lane count 1 clock 162000 bpp 18
>[  339.848344] [drm:intel_dp_compute_config], DP link bw required 124200 available 129600
>[  339.848349] [drm:intel_modeset_pipe_config], [CRTC:3]
>[  339.848351] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 18, dithering: 1
>[  339.848381] [drm:ironlake_crtc_mode_set], Mode for pipe A:
>[  339.848384] [drm:drm_mode_debug_printmodeline], Modeline 0:"1366x768" 60 69000 1366 1398 1422 1426 768 771 775 806 0x48 0x9
>[  339.848399] [drm:ironlake_update_plane], Writing base 00047000 00000000 0 0 7680
>[  339.848407] [drm:intel_update_fbc], no output, disabling
>[  339.848413] [drm:intel_crtc_mode_set], [ENCODER:9:TMDS-9] set [MODE:0:1366x768]
>[  339.848418] [drm:ironlake_set_pll_edp], eDP PLL enable for clock 162000
>[  339.848421] [drm:ironlake_set_pll_edp], 160MHz cpu eDP clock, might need ilk devA w/a
>[  339.848926] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 6, cursor: 6
>[  339.848932] [drm:ironlake_check_srwm], watermark 1: display plane 24, fbc lines 3, cursor 6
>[  339.848937] [drm:ironlake_check_srwm], watermark 2: display plane 76, fbc lines 3, cursor 6
>[  339.848945] [drm:ironlake_edp_pll_on], 
>[  339.901069] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  339.953101] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  339.953107] [drm:intel_update_fbc], fbc set to per-chip default
>[  339.953109] [drm:intel_update_fbc], fbc disabled per module param
>[  339.953113] [drm:ironlake_edp_panel_vdd_on], Turn eDP VDD on
>[  339.953119] [drm:ironlake_wait_panel_power_cycle], Wait for panel power cycle
>[  339.953124] [drm:ironlake_wait_panel_status], mask b800000f value 00000000 status 00000000 control abcd0000
>[  339.953135] [drm:ironlake_edp_panel_vdd_on], PP_STATUS: 0x00000000 PP_CONTROL: 0xabcd0008
>[  339.953139] [drm:ironlake_edp_panel_vdd_on], eDP was not running
>[  340.254708] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  340.255304] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  340.255897] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  340.256526] [drm:intel_dp_start_link_train], clock recovery OK
>[  340.256529] [drm:ironlake_edp_panel_on], Turn eDP power on
>[  340.256532] [drm:ironlake_wait_panel_power_cycle], Wait for panel power cycle
>[  340.256537] [drm:ironlake_wait_panel_status], mask b800000f value 00000000 status 00000000 control abcd0008
>[  340.256545] [drm:ironlake_wait_panel_on], Wait for panel power on
>[  340.256549] [drm:ironlake_wait_panel_status], mask b000000f value 80000008 status 0000000a control abcd0009
>[  340.597436] [drm:ironlake_edp_panel_vdd_off], Turn eDP VDD off 1
>[  340.597449] [drm:ironlake_panel_vdd_off_sync], PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0003
>[  340.648469] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  340.649424] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  340.649576] [drm:ironlake_edp_backlight_on], 
>[  340.690496] [drm:intel_panel_actually_set_backlight], set backlight PWM = 93
>[  340.700567] [drm:intel_connector_check_state], [CONNECTOR:10:eDP-1]
>[  340.700583] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  340.700590] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  340.700594] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  340.700599] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  340.700604] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  340.700609] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  340.700614] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  340.700619] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  340.700623] [drm:intel_modeset_check_state], [CRTC:3]
>[  340.700632] [drm:intel_modeset_check_state], [CRTC:5]
>[  340.700637] [drm:intel_crtc_set_config], [CRTC:5] [FB:35] #connectors=1 (x y) (0 0)
>[  340.700643] [drm:intel_set_config_compute_mode_changes], crtc has no fb, full mode set
>[  340.700647] [drm:intel_modeset_stage_output_state], encoder changed, full mode switch
>[  340.700650] [drm:intel_modeset_stage_output_state], [CONNECTOR:10:eDP-1] to [CRTC:3]
>[  340.700654] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:DP-1] to [CRTC:5]
>[  340.700658] [drm:intel_modeset_stage_output_state], crtc changed, full mode switch
>[  340.700662] [drm:intel_crtc_set_config], attempting to set mode from userspace
>[  340.700665] [drm:drm_mode_debug_printmodeline], Modeline 34:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[  340.700672] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 2, prepare: 2, disable: 0
>[  340.700678] [drm:intel_dp_compute_config], DP link computation with max lane count 4 max bw 0a pixel clock 148500KHz
>[  340.700683] [drm:intel_dp_compute_config], DP link bw 06 lane count 4 clock 162000 bpp 24
>[  340.700688] [drm:intel_dp_compute_config], DP link bw required 356400 available 518400
>[  340.700695] [drm:ironlake_check_fdi_lanes], checking fdi config on pipe B, lanes 2
>[  340.700697] [drm:intel_modeset_pipe_config], [CRTC:5]
>[  340.700698] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
>[  340.700711] [drm:ironlake_crtc_mode_set], Mode for pipe B:
>[  340.700712] [drm:drm_mode_debug_printmodeline], Modeline 0:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
>[  340.700716] [drm:intel_get_pch_pll], CRTC:5 using pre-allocated PCH PLL c6018
>[  340.700717] [drm:intel_get_pch_pll], using pll 1 for pipe B
>[  340.700719] [drm:intel_get_pch_pll], switching PLL c6018 off
>[  340.701035] [drm:ironlake_update_plane], Writing base 00047000 00000000 0 0 7680
>[  340.701040] [drm:intel_update_fbc], fbc set to per-chip default
>[  340.701042] [drm:intel_update_fbc], fbc disabled per module param
>[  340.701044] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 6, cursor: 6
>[  340.701047] [drm:ironlake_check_srwm], watermark 1: display plane 24, fbc lines 3, cursor 6
>[  340.701050] [drm:ironlake_check_srwm], watermark 2: display plane 76, fbc lines 3, cursor 6
>[  340.701053] [drm:intel_crtc_mode_set], [ENCODER:20:TMDS-20] set [MODE:0:1920x1080]
>[  340.701056] [drm:intel_dp_mode_set], Enabling DP audio on pipe B
>[  340.701059] [drm:intel_write_eld], ELD on [CONNECTOR:21:DP-1], [ENCODER:20:TMDS-20]
>[  340.701061] [drm:ironlake_write_eld], ELD on pipe B
>[  340.701064] [drm:ironlake_write_eld], Audio directed to unknown port
>[  340.701065] [drm:ironlake_write_eld], ELD: DisplayPort detected
>[  340.701078] [drm:ironlake_update_wm], FIFO watermarks For pipe A - plane 6, cursor: 6
>[  340.701081] [drm:ironlake_update_wm], FIFO watermarks For pipe B - plane 9, cursor: 6
>[  340.753591] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  340.805627] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  340.805944] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x100
>[  340.805946] [drm:ironlake_fdi_link_train], FDI train 1 done.
>[  340.806102] [drm:ironlake_fdi_link_train], FDI_RX_IIR 0x200
>[  340.806104] [drm:ironlake_fdi_link_train], FDI train 2 done.
>[  340.806105] [drm:ironlake_fdi_link_train], FDI train done
>[  340.806106] [drm:ironlake_enable_pch_pll], enable PCH PLL c6018 (active 0, on? 0)for crtc 5
>[  340.806110] [drm:ironlake_enable_pch_pll], enabling PCH PLL c6018
>[  340.807335] [drm:intel_update_fbc], more than one pipe active, disabling compression
>[  340.807952] [drm:ironlake_irq_handler], Pipe B FIFO underrun
>[  340.807977] [drm:ibx_irq_handler], PCH transcoder B FIFO underrun
>[  340.808346] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  340.810358] [drm:intel_dp_start_link_train], clock recovery OK
>[  340.810361] [drm:intel_dp_set_signal_levels], Using signal levels 00000000
>[  340.812683] [drm:intel_dp_complete_link_train], Channel EQ done. DP Training successfull
>[  340.830570] [drm:intel_connector_check_state], [CONNECTOR:10:eDP-1]
>[  340.830578] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  340.830586] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  340.830590] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  340.830593] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  340.830597] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  340.830600] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  340.830604] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  340.830608] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  340.830611] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  340.830615] [drm:intel_modeset_check_state], [CRTC:3]
>[  340.830622] [drm:intel_modeset_check_state], [CRTC:5]
>[  601.533338] [drm:ironlake_edp_panel_vdd_on], Turn eDP VDD on
>[  601.533349] [drm:ironlake_edp_panel_vdd_on], PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000f
>[  601.533354] [drm:intel_panel_actually_set_backlight], set backlight PWM = 0
>[  601.533359] [drm:ironlake_edp_backlight_off], 
>[  601.734646] [drm:ironlake_edp_panel_off], Turn eDP power off
>[  601.734650] [drm:ironlake_wait_panel_off], Wait for panel power off time
>[  601.734655] [drm:ironlake_wait_panel_status], mask b000000f value 00000000 status 80000008 control abcd0000
>[  602.545949] [drm:intel_dp_link_down], 
>[  602.597978] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  602.649647] [drm:ironlake_update_wm], FIFO watermarks For pipe B - plane 9, cursor: 6
>[  602.649651] [drm:ironlake_check_srwm], watermark 1: display plane 49, fbc lines 3, cursor 6
>[  602.649653] [drm:ironlake_check_srwm], watermark 2: display plane 160, fbc lines 4, cursor 10
>[  602.649655] [drm:intel_update_fbc], fbc set to per-chip default
>[  602.649656] [drm:intel_update_fbc], fbc disabled per module param
>[  602.649666] [drm:intel_connector_check_state], [CONNECTOR:21:DP-1]
>[  602.649674] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  602.649677] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  602.649678] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  602.649681] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  602.649683] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  602.649686] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  602.649688] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  602.649691] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  602.649693] [drm:intel_modeset_check_state], [CRTC:3]
>[  602.649694] [drm:intel_modeset_check_state], [CRTC:5]
>[  602.650180] [drm:intel_dp_link_down], 
>[  602.707982] [drm:ironlake_wait_for_vblank], vblank wait timed out
>[  602.755098] [drm:intel_disable_pch_pll], disable PCH PLL c6018 (active 1, on? 1) for crtc 5
>[  602.755100] [drm:intel_disable_pch_pll], disabling PCH PLL c6018
>[  602.755512] [drm:intel_update_fbc], no output, disabling
>[  602.755524] [drm:intel_modeset_check_state], [ENCODER:8:DAC-8]
>[  602.755526] [drm:intel_modeset_check_state], [ENCODER:9:TMDS-9]
>[  602.755528] [drm:intel_modeset_check_state], [ENCODER:18:TMDS-18]
>[  602.755531] [drm:intel_modeset_check_state], [ENCODER:20:TMDS-20]
>[  602.755533] [drm:intel_modeset_check_state], [ENCODER:22:TMDS-22]
>[  602.755535] [drm:intel_modeset_check_state], [ENCODER:24:TMDS-24]
>[  602.755538] [drm:intel_modeset_check_state], [ENCODER:26:TMDS-26]
>[  602.755541] [drm:intel_modeset_check_state], [ENCODER:28:TMDS-28]
>[  602.755543] [drm:intel_modeset_check_state], [CRTC:3]
>[  602.755544] [drm:intel_modeset_check_state], [CRTC:5]
>[  602.755549] [drm:intel_panel_get_max_backlight], max backlight PWM = 93
>[  602.909642] [drm:i915_hotplug_work_func], running encoder hotplug functions
>[  602.909650] [drm:i915_hotplug_work_func], Connector VGA-1 (pin 1) received hotplug event.
>[  602.909655] [drm:i915_hotplug_work_func], Connector HDMI-A-2 (pin 5) received hotplug event.
>[  602.909659] [drm:i915_hotplug_work_func], Connector HDMI-A-3 (pin 6) received hotplug event.
>[  602.909663] [drm:i915_hotplug_work_func], Connector DP-2 (pin 5) received hotplug event.
>[  602.909667] [drm:i915_hotplug_work_func], Connector DP-3 (pin 6) received hotplug event.
>[  602.909674] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40018, result 0
>[  602.909678] [drm:intel_crt_detect], CRT not detected via hotplug
>[  602.909848] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  602.909856] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  602.909860] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  602.909863] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
>[  602.910231] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
>[  602.910235] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
>[  602.910240] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
>[  602.910243] [drm:intel_hpd_irq_event], [CONNECTOR:7:VGA-1] status updated from 2 to 2
>[  602.910483] [drm:gmbus_xfer], GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1)
>[  602.910491] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpc
>[  602.910496] [drm:intel_hpd_irq_event], [CONNECTOR:23:HDMI-A-2] status updated from 2 to 2
>[  602.910665] [drm:gmbus_xfer], GMBUS [i915 gmbus dpd] NAK for addr: 0050 r(1)
>[  602.910671] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus dpd
>[  602.910675] [drm:intel_hpd_irq_event], [CONNECTOR:25:HDMI-A-3] status updated from 2 to 2
>[  602.910682] [drm:intel_hpd_irq_event], [CONNECTOR:27:DP-2] status updated from 2 to 2
>[  602.910688] [drm:intel_hpd_irq_event], [CONNECTOR:29:DP-3] status updated from 2 to 2

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Attachments on bug 58791: 72162 | 73356 | 78912

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