Attachment 103377 Details for Bug 81483 – dmesg

dmesg

dmesg_bytm02_kms_universal_plane_0724.txt (text/plain), 79.53 KB, created by lu hua on 2014-07-24 06:03:06 UTC

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Filename:

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Creator: lu hua

Created: 2014-07-24 06:03:06 UTC

Size: 79.53 KB

patch

obsolete

>[  201.602919] console [netcon0] enabled
>[  201.606051] netconsole: network logging started
>[  201.628026] console [netcon0] disabled
>[  201.685398] console [netcon0] enabled
>[  201.688364] netconsole: network logging started
>[  219.448741] [drm:i915_gem_open] 
>[  219.451927] [drm:intel_crtc_set_config] [CRTC:7] [FB:34] #connectors=1 (x y) (0 0)
>[  219.454894] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:7], mode_changed=0, fb_changed=0
>[  219.457841] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [CRTC:7]
>[  219.460810] [drm:intel_crtc_set_config] [CRTC:12] [NOFB]
>[  219.463776] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:12], mode_changed=0, fb_changed=0
>[  219.466830] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [CRTC:7]
>[  219.470032] [drm:i915_gem_open] 
>[  219.475998] [drm:i915_gem_open] 
>[  219.479335] [drm:i915_gem_open] 
>[  219.483008] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.483179] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.486726] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.486817] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.486879] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  219.486947] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  219.487148] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  219.487298] [drm:_edp_panel_vdd_on] Turning eDP VDD on
>[  219.487357] [drm:_edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000f
>[  219.487745] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  219.488014] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  219.488393] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  219.488575] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  219.488659] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  219.488868] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  219.489077] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.489162] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.489340] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.489423] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.489526] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  219.489572] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  219.489642] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  219.489795] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  219.495725] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  219.495780] [drm:intel_crt_detect] CRT not detected via hotplug
>[  219.496089] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  219.496157] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.496216] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  219.496331] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  219.496801] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.496866] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  219.496921] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  219.497071] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  219.497128] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  219.497173] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  219.497281] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  219.497367] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  219.504660] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  219.504715] [drm:intel_crt_detect] CRT not detected via hotplug
>[  219.505023] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  219.505090] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.505149] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  219.505264] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  219.505733] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.505799] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  219.505853] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  219.506003] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  219.506088] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.506218] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.506277] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  219.506321] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  219.506428] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  219.506859] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  219.506921] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  219.507110] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  219.507165] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  219.507209] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  219.507316] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  219.507743] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  219.507805] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  219.507995] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  219.508081] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.508209] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.508269] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  219.508313] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  219.508506] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  219.508700] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  219.508754] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  219.508798] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  219.508993] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  219.509157] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  219.509239] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.509367] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.509425] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  219.509469] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  219.509573] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  219.510126] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  219.510297] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  219.510350] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  219.510393] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  219.510497] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  219.511085] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  219.511257] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  219.512398] [drm:pipe_crc_set_source] collecting CRCs for pipe A, DP-C
>[  219.512500] [drm:pipe_crc_set_source] stopping CRCs for pipe A
>[  219.529892] [drm:add_framebuffer_internal] [FB:35]
>[  219.566756] [drm:add_framebuffer_internal] [FB:36]
>[  219.574725] [drm:valleyview_set_rps] GPU freq request from 646 MHz (214) to 167 MHz (191)
>[  219.579119] [drm:add_framebuffer_internal] [FB:37]
>[  219.591060] [drm:add_framebuffer_internal] [FB:38]
>[  219.591511] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.591734] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.591797] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  219.591843] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  219.592039] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  219.592384] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  219.592630] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  219.593007] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  219.593195] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  219.593243] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  219.593298] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  219.593468] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.593553] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.593745] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.593836] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.593940] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  219.593986] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  219.594036] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  219.594179] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  219.599777] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  219.599830] [drm:intel_crt_detect] CRT not detected via hotplug
>[  219.600140] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  219.600206] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.600264] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  219.600375] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  219.600843] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.600907] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  219.600960] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  219.601103] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  219.601158] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  219.601201] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  219.601303] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  219.601387] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  219.606745] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  219.606798] [drm:intel_crt_detect] CRT not detected via hotplug
>[  219.607116] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  219.607182] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.607240] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  219.607350] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  219.607818] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.607882] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  219.607936] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  219.608080] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  219.608162] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.608292] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.608349] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  219.608393] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  219.608494] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  219.608921] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  219.608981] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  219.609167] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  219.609221] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  219.609264] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  219.609365] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  219.609777] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  219.609837] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  219.610022] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  219.610105] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.610232] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.610290] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  219.610333] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  219.610520] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  219.610681] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  219.610759] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  219.610805] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  219.610997] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  219.611165] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  219.611245] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.611372] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.611429] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  219.611473] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  219.611574] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  219.612126] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  219.612295] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  219.612347] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  219.612389] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  219.612490] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  219.613038] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  219.613209] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  219.613296] [drm:drm_mode_setcrtc] [CRTC:7]
>[  219.613511] [drm:drm_mode_setcrtc] [CONNECTOR:27:eDP-1]
>[  219.613553] [drm:intel_crtc_set_config] [CRTC:7] [FB:35] #connectors=1 (x y) (0 0)
>[  219.613697] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:7], mode_changed=0, fb_changed=1
>[  219.613768] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [CRTC:7]
>[  219.613917] [drm:i9xx_update_primary_plane] Writing base 0087F000 00000000 0 0 5504
>[  219.646139] [drm:pipe_crc_set_source] collecting CRCs for pipe A, DP-C
>[  219.663456] [drm:pipe_crc_set_source] stopping CRCs for pipe A
>[  219.681010] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.681106] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.681170] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  219.681218] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  219.681357] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  219.681613] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  219.681856] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  219.682193] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  219.682348] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  219.682397] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  219.682451] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  219.682565] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.682651] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.682768] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.682884] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.682944] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  219.682991] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  219.683037] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  219.683121] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  219.688813] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  219.688868] [drm:intel_crt_detect] CRT not detected via hotplug
>[  219.689175] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  219.689242] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.689301] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  219.689354] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  219.689773] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.689874] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  219.689934] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  219.690020] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  219.690076] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  219.690120] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  219.690167] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  219.690250] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  219.695997] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  219.696054] [drm:intel_crt_detect] CRT not detected via hotplug
>[  219.696355] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  219.696421] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.696481] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  219.696536] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  219.696984] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.697050] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  219.697104] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  219.697192] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  219.697276] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.697364] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.697425] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  219.697470] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  219.697514] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  219.697891] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  219.697952] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  219.698093] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  219.698146] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  219.698196] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  219.698240] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  219.698627] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  219.698686] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  219.698853] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  219.698938] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.699026] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.699087] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  219.699131] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  219.699263] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  219.699396] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  219.699452] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  219.699495] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  219.699625] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  219.699759] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  219.699860] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.699950] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.700012] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  219.700057] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  219.700102] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  219.700599] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  219.700747] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  219.700823] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  219.700869] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  219.700913] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  219.701409] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  219.701549] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  219.701631] [drm:drm_mode_setcrtc] [CRTC:7]
>[  219.701709] [drm:drm_mode_setcrtc] [CONNECTOR:27:eDP-1]
>[  219.701751] [drm:intel_crtc_set_config] [CRTC:7] [FB:36] #connectors=1 (x y) (0 0)
>[  219.701921] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:7], mode_changed=0, fb_changed=1
>[  219.701969] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [CRTC:7]
>[  219.702026] [drm:i9xx_update_primary_plane] Writing base 00C87000 00000000 0 0 5504
>[  219.729149] [drm:pipe_crc_set_source] collecting CRCs for pipe A, DP-C
>[  219.746407] [drm:pipe_crc_set_source] stopping CRCs for pipe A
>[  219.764064] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.764157] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.764219] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  219.764266] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  219.764400] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  219.764651] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  219.764894] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  219.765215] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  219.765369] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  219.765420] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  219.765474] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  219.765586] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.765674] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.765789] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.765902] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.765967] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  219.766012] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  219.766060] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  219.766144] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  219.771885] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  219.771940] [drm:intel_crt_detect] CRT not detected via hotplug
>[  219.772241] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  219.772307] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.772366] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  219.772421] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  219.772839] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.772932] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  219.772990] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  219.773076] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  219.773131] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  219.773175] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  219.773220] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  219.773303] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  219.779055] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  219.779113] [drm:intel_crt_detect] CRT not detected via hotplug
>[  219.779424] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  219.779496] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.779555] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  219.779666] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  219.780155] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.780219] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  219.780272] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  219.780415] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  219.780498] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.780628] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.780687] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  219.780731] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  219.780832] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  219.781284] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  219.781344] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  219.781529] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  219.781582] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  219.781626] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  219.781727] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  219.782184] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  219.782243] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  219.782424] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  219.782507] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.782632] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.782690] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  219.782734] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  219.782952] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  219.783118] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  219.783170] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  219.783213] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  219.783400] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  219.783561] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  219.783640] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.783766] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.783824] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  219.783934] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  219.783980] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  219.784522] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  219.784690] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  219.784742] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  219.784785] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  219.784912] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  219.785438] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  219.785607] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  219.785689] [drm:drm_mode_setcrtc] [CRTC:7]
>[  219.785810] [drm:drm_mode_setcrtc] [CONNECTOR:27:eDP-1]
>[  219.785852] [drm:intel_crtc_set_config] [CRTC:7] [FB:37] #connectors=1 (x y) (0 0)
>[  219.786025] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:7], mode_changed=0, fb_changed=1
>[  219.786070] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [CRTC:7]
>[  219.786125] [drm:i9xx_update_primary_plane] Writing base 0108F000 00000000 0 0 5504
>[  219.812427] [drm:pipe_crc_set_source] collecting CRCs for pipe A, DP-C
>[  219.829692] [drm:pipe_crc_set_source] stopping CRCs for pipe A
>[  219.847135] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.847229] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.847291] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  219.847337] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  219.847470] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  219.847720] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  219.847987] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  219.848304] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  219.848457] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  219.848506] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  219.848569] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  219.848682] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.848767] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.848884] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.849001] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.849061] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  219.849111] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  219.849156] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  219.849245] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  219.854948] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  219.855002] [drm:intel_crt_detect] CRT not detected via hotplug
>[  219.855308] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  219.855374] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.855433] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  219.855485] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  219.855905] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.855993] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  219.856050] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  219.856136] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  219.856191] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  219.856235] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  219.856279] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  219.856362] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  219.862109] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  219.862167] [drm:intel_crt_detect] CRT not detected via hotplug
>[  219.862466] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  219.862532] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.862591] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  219.862644] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  219.863088] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.863152] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  219.863207] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  219.863293] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  219.863375] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.863465] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.863525] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  219.863570] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  219.863615] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  219.863969] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  219.864032] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  219.864172] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  219.864226] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  219.864270] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  219.864315] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  219.864702] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  219.864761] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  219.864900] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  219.865008] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.865096] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.865158] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  219.865202] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  219.865334] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  219.865468] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  219.865519] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  219.865563] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  219.865693] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  219.865828] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  219.865906] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.866020] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.866080] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  219.866125] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  219.866174] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  219.866671] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  219.866811] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  219.866867] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  219.866910] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  219.866979] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  219.867478] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  219.867617] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  219.867715] [drm:i9xx_update_primary_plane] Writing base 00C87000 00000000 0 0 5504
>[  219.895767] [drm:pipe_crc_set_source] collecting CRCs for pipe A, DP-C
>[  219.913064] [drm:pipe_crc_set_source] stopping CRCs for pipe A
>[  219.929083] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.929172] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.929274] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  219.929319] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  219.929495] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  219.929833] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  219.930079] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  219.930428] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  219.930608] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  219.930657] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  219.930711] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  219.930880] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.930966] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.931156] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.931243] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.931344] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  219.931388] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  219.931432] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  219.931572] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  219.937181] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  219.937240] [drm:intel_crt_detect] CRT not detected via hotplug
>[  219.937541] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  219.937608] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.937667] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  219.937720] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  219.938163] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.938229] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  219.938283] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  219.938368] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  219.938423] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  219.938467] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  219.938512] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  219.938595] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  219.944171] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  219.944230] [drm:intel_crt_detect] CRT not detected via hotplug
>[  219.944531] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  219.944598] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.944657] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  219.944711] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  219.945153] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  219.945218] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  219.945273] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  219.945358] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  219.945440] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.945528] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.945587] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  219.945639] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  219.945683] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  219.946063] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  219.946124] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  219.946264] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  219.946317] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  219.946360] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  219.946404] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  219.946791] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  219.946850] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  219.947013] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  219.947102] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.947191] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.947252] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  219.947296] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  219.947428] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  219.947561] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  219.947611] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  219.947654] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  219.947786] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  219.947920] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  219.948032] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.948121] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.948183] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  219.948229] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  219.948273] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  219.948769] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  219.948908] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  219.948959] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  219.949026] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  219.949073] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  219.949567] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  219.949708] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  219.962535] [drm:pipe_crc_set_source] collecting CRCs for pipe A, DP-C
>[  219.979792] [drm:pipe_crc_set_source] stopping CRCs for pipe A
>[  219.997246] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.997339] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.997399] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  219.997445] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  219.997577] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  219.997827] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  219.998080] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  219.998401] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  219.998555] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  219.998604] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  219.998657] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  219.998769] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.998855] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.998971] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.999087] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  219.999149] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  219.999195] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  219.999240] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  219.999327] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  220.005067] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  220.005123] [drm:intel_crt_detect] CRT not detected via hotplug
>[  220.005429] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  220.005495] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  220.005553] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  220.005663] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  220.006137] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  220.006201] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  220.006255] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  220.006399] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  220.006455] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  220.006497] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  220.006599] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  220.006683] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  220.012070] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  220.012123] [drm:intel_crt_detect] CRT not detected via hotplug
>[  220.012440] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  220.012505] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  220.012563] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  220.012673] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  220.013167] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  220.013232] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  220.013285] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  220.013429] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  220.013510] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.013638] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.013696] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  220.013740] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  220.013840] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  220.014266] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  220.014326] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  220.014512] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  220.014566] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  220.014608] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  220.014709] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  220.015133] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  220.015195] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  220.015381] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  220.015463] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.015591] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.015649] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  220.015693] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  220.015879] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  220.016040] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  220.016119] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  220.016164] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  220.016354] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  220.016517] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  220.016596] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.016721] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.016778] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  220.016821] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  220.016922] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  220.017471] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  220.017640] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  220.017691] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  220.017734] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  220.017835] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  220.018383] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  220.018553] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  220.018649] [drm:i9xx_update_primary_plane] Writing base 00C87000 00000000 0 0 5504
>[  220.029139] [drm:pipe_crc_set_source] collecting CRCs for pipe A, DP-C
>[  220.046410] [drm:pipe_crc_set_source] stopping CRCs for pipe A
>[  220.064311] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.064404] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.064464] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  220.064510] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  220.064642] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  220.064892] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  220.065152] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  220.065503] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  220.065682] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  220.065731] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  220.065785] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  220.065954] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.066039] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.066226] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.066312] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.066415] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  220.066459] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  220.066502] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  220.066642] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  220.072120] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  220.072174] [drm:intel_crt_detect] CRT not detected via hotplug
>[  220.072489] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  220.072555] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  220.072613] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  220.072724] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  220.073198] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  220.073262] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  220.073316] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  220.073459] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  220.073514] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  220.073556] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  220.073657] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  220.073740] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  220.079125] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  220.079179] [drm:intel_crt_detect] CRT not detected via hotplug
>[  220.079492] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  220.079559] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  220.079617] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  220.079727] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  220.080222] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  220.080287] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  220.080342] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  220.080485] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  220.080567] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.080695] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.080752] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  220.080796] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  220.080897] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  220.081324] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  220.081384] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  220.081568] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  220.081621] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  220.081664] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  220.081764] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  220.082188] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  220.082248] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  220.082434] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  220.082517] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.082645] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.082702] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  220.082745] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  220.082933] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  220.083094] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  220.083173] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  220.083261] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  220.083422] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  220.083585] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  220.083665] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.083791] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.083848] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  220.083892] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  220.083992] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  220.084541] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  220.084710] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  220.084762] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  220.084804] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  220.084904] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  220.085452] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  220.085623] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  220.085706] [drm:drm_mode_setcrtc] [CRTC:7]
>[  220.085848] [drm:drm_mode_setcrtc] [CONNECTOR:27:eDP-1]
>[  220.085891] [drm:intel_crtc_set_config] [CRTC:7] [FB:37] #connectors=1 (x y) (0 0)
>[  220.086046] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:7], mode_changed=0, fb_changed=1
>[  220.086091] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [CRTC:7]
>[  220.086216] [drm:i9xx_update_primary_plane] Writing base 0108F000 00000000 0 0 5504
>[  220.129132] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.129246] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.129352] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  220.129397] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  220.129574] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  220.129826] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  220.130072] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  220.130448] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  220.130626] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  220.130675] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  220.130728] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  220.130897] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.130983] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.131170] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.131258] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.131362] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  220.131407] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  220.131450] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  220.131589] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  220.137212] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  220.137265] [drm:intel_crt_detect] CRT not detected via hotplug
>[  220.137580] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  220.137646] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  220.137704] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  220.137814] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  220.138281] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  220.138344] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  220.138398] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  220.138542] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  220.138597] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  220.138639] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  220.138741] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  220.138825] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  220.144182] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  220.144236] [drm:intel_crt_detect] CRT not detected via hotplug
>[  220.144552] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  220.144619] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  220.144677] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  220.144787] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  220.145254] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  220.145319] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  220.145372] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  220.145516] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  220.145596] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.145749] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.145807] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  220.145850] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  220.145952] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  220.146379] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  220.146439] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  220.146623] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  220.146676] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  220.146719] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  220.146819] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  220.147241] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  220.147301] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  220.147487] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  220.147570] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.147701] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.147759] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  220.147803] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  220.147991] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  220.148179] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  220.148232] [drm:drm_mode_getconnector] [CONNECTOR:23:?]
>[  220.148275] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1]
>[  220.148467] [drm:intel_dp_detect] [CONNECTOR:23:DP-1]
>[  220.148629] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:23:DP-1] disconnected
>[  220.148708] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.148833] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.148891] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  220.148934] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  220.149035] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  220.149588] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  220.149757] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  220.149809] [drm:drm_mode_getconnector] [CONNECTOR:25:?]
>[  220.149851] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2]
>[  220.149952] [drm:intel_hdmi_detect] [CONNECTOR:25:HDMI-A-2]
>[  220.150499] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[  220.150668] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:25:HDMI-A-2] disconnected
>[  220.150751] [drm:drm_mode_setcrtc] [CRTC:7]
>[  220.150836] [drm:intel_crtc_set_config] [CRTC:7] [NOFB]
>[  220.150936] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:7], mode_changed=1, fb_changed=0
>[  220.151021] [drm:intel_modeset_stage_output_state] [CONNECTOR:27:eDP-1] to [NOCRTC]
>[  220.151063] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch
>[  220.151103] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch
>[  220.151231] [drm:intel_modeset_stage_output_state] crtc disabled, full mode switch
>[  220.151298] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 1
>[  220.151482] [drm:intel_set_memory_cxsr] memory self-refresh is disabled
>[  220.151588] [drm:intel_edp_backlight_off] 
>[  220.352454] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
>[  220.352908] [drm:intel_edp_panel_off] Turn eDP power off
>[  220.352967] [drm:wait_panel_off] Wait for panel power off time
>[  220.353024] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control abcd0000
>[  220.396885] [drm:wait_panel_status] Wait complete
>[  220.414062] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00100000, dig 0x00000000
>[  220.414111] [drm:intel_hpd_irq_handler] digital hpd port 2 0
>[  220.414181] [drm:intel_dp_hpd_pulse] got hpd irq on port 2 - short
>[  220.414423] [drm:_edp_panel_vdd_on] Turning eDP VDD on
>[  220.414482] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  220.430575] [drm:intel_dp_link_down] 
>[  220.481517] [drm:intel_set_memory_cxsr] memory self-refresh is disabled
>[  220.481582] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=2, cursor=2, B: plane=2, cursor=2, SR: plane=0, cursor=0
>[  220.483529] [drm:vlv_update_cdclk] Current CD clock rate: 200000 kHz
>[  220.483743] [drm:check_encoder_state] [ENCODER:16:DAC-16]
>[  220.483836] [drm:check_encoder_state] [ENCODER:17:TMDS-17]
>[  220.483888] [drm:check_encoder_state] [ENCODER:22:TMDS-22]
>[  220.483939] [drm:check_encoder_state] [ENCODER:24:TMDS-24]
>[  220.483989] [drm:check_encoder_state] [ENCODER:26:TMDS-26]
>[  220.484040] [drm:check_crtc_state] [CRTC:7]
>[  220.484097] [drm:check_crtc_state] [CRTC:12]
>[  220.484239] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.484330] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  220.484390] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  220.484470] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1]
>[  220.484610] [drm:intel_dp_detect] [CONNECTOR:27:eDP-1]
>[  220.484748] [drm:_edp_panel_vdd_on] Turning eDP VDD on
>[  220.484802] [drm:wait_panel_power_cycle] Wait for panel power cycle
>[  220.953880] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control abcd0000
>[  220.953959] [drm:wait_panel_status] Wait complete
>[  220.954012] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control abcd0000
>[  220.954017] [drm:wait_panel_status] Wait complete
>[  220.954028] [drm:_edp_panel_vdd_on] PP_STATUS: 0x00000000 PP_CONTROL: 0xabcd0008
>[  220.954032] [drm:_edp_panel_vdd_on] eDP was not running
>[  220.954226] [drm:_edp_panel_vdd_on] PP_STATUS: 0x00000000 PP_CONTROL: 0xabcd0008
>[  220.954278] [drm:_edp_panel_vdd_on] eDP was not running
>[  221.048236] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00100000, dig 0x00000000
>[  221.048309] [drm:intel_hpd_irq_handler] digital hpd port 2 0
>[  221.155043] ------------[ cut here ]------------
>[  221.155161] WARNING: CPU: 1 PID: 4612 at drivers/gpu/drm/i915/intel_dp.c:1235 intel_edp_panel_vdd_on+0x30/0x32 [i915]()
>[  221.155214] eDP VDD already requested on
>[  221.155261] Modules linked in: netconsole configfs ipv6 dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support snd_hda_codec_conexant snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec[  221.155858] [drm:intel_dp_get_dpcd] DPCD: 11 0a 81 41 00 00 01 80 02 00 00 00 0f 07 00
>
>[  221.155907]  snd_hwdep nouveau snd_pcm r8169 pcspkr lpc_ich i2c_i801 ttm snd_timer mfd_core snd soundcore iosf_mbi battery wmi ac acpi_cpufreq uvcvideo videobuf2_vmalloc videobuf2_memops[  221.156874] [drm:intel_dp_check_link_status] TMDS-26: channel EQ not ok, retraining
>
>[  221.156965]  videobuf2_core v4l2_common videodev i915 button video drm_kms_helper drm [last unloaded: netconsole]
>[  221.157511] CPU: 1 PID: 4612 Comm: kms_universal_p Tainted: G        W     3.16.0-rc6_drm-intel-nightly_af1aab_20140724_debug+ #766
>[  221.157561]  0000000000000009[  221.157582] BUG: unable to handle kernel NULL pointer dereference at 0000000000000408
>[  221.157586] IP: [<ffffffffa00e5f4f>] intel_dp_set_signal_levels+0x496/0x822 [i915]
>[  221.157631] PGD 24b7067 PUD 2dec067 PMD 0 
>[  221.157635] Oops: 0000 [#1] SMP 
>[  221.157640] Modules linked in: netconsole configfs ipv6 dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support snd_hda_codec_conexant snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep nouveau snd_pcm r8169 pcspkr lpc_ich i2c_i801 ttm snd_timer mfd_core snd soundcore iosf_mbi battery wmi ac acpi_cpufreq uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev i915 button video drm_kms_helper drm [last unloaded: netconsole]
>[  221.157682] CPU: 0 PID: 1024 Comm: kworker/u8:2 Tainted: G        W     3.16.0-rc6_drm-intel-nightly_af1aab_20140724_debug+ #766
>[  221.157713] Workqueue: i915-dp i915_digport_work_func [i915]
>[  221.157716] task: ffff88017aaf20f0 ti: ffff880173e54000 task.ti: ffff880173e54000
>[  221.157717] RIP: 0010:[<ffffffffa00e5f4f>]  [<ffffffffa00e5f4f>] intel_dp_set_signal_levels+0x496/0x822 [i915]
>[  221.157756] RSP: 0000:ffff880173e57bc8  EFLAGS: 00010246
>[  221.157758] RAX: 0000000000000000 RBX: ffff8801735f0000 RCX: 0000000000000001
>[  221.157759] RDX: 0000000000000000 RSI: ffff880173e57c7c RDI: ffff8801734030d8
>[  221.157761] RBP: ffff880173e57c38 R08: 0000000000000000 R09: 0000000000000000
>[  221.157762] R10: 000000000000000e R11: 0000000000000000 R12: ffff880173e57c7c
>[  221.157764] R13: ffff8801735f7f00 R14: ffff8801735f0000 R15: ffff880173e57c7c
>[  221.157766] FS:  0000000000000000(0000) GS:ffff88017fc00000(0000) knlGS:0000000000000000
>[  221.157768] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  221.157770] CR2: 0000000000000408 CR3: 0000000002f58000 CR4: 00000000001007f0
>[  221.157771] Stack:
>[  221.157772]  0000000000000007 ffff880173403118 ffff880173e57be8 ffffffff81835bed
>[  221.157776]  ffff880173e57c7c ffffffffa005961e ffff880173e57c08 0000000800000107
>[  221.157781]  ffff880173e57c7a ffff8801734030d8 ffff880173e57c7c ffff8801735f7f00
>[  221.157785] Call Trace:
>[  221.157787]  [<ffffffff81835bed>] ? mutex_unlock+0xe/0x10
>[  221.157795]  [<ffffffffa005961e>] ? drm_dp_dpcd_access+0x6d/0xe9 [drm_kms_helper]
>[  221.157806]  [<ffffffffa00e8523>] intel_dp_reset_link_train.constprop.16+0x21/0x36 [i915]
>[  221.157844]  [<ffffffffa00e9c05>] intel_dp_start_link_train+0xaf/0x1fc [i915]
>[  221.157882]  [<ffffffffa00ea796>] intel_dp_check_link_status+0x112/0x13e [i915]
>[  221.157920]  [<ffffffffa00ea8a8>] intel_dp_hpd_pulse+0xe6/0x13f [i915]
>[  221.157957]  [<ffffffffa00ac7fc>] i915_digport_work_func+0xe6/0xff [i915]
>[  221.157988]  [<ffffffff81056d72>] process_one_work+0x25a/0x442
>[  221.157994]  [<ffffffff81056cdf>] ? process_one_work+0x1c7/0x442
>[  221.158000]  [<ffffffff81057629>] worker_thread+0x2f8/0x400
>[  221.158004]  [<ffffffff81057331>] ? pool_mayday_timeout+0x12d/0x12d
>[  221.158009]  [<ffffffff8105cbf0>] kthread+0xed/0xf5
>[  221.158014]  [<ffffffff8105cb03>] ? __init_kthread_worker+0x5a/0x5a
>[  221.158018]  [<ffffffff8183796c>] ret_from_fork+0x7c/0xb0
>[  221.158022]  [<ffffffff8105cb03>] ? __init_kthread_worker+0x5a/0x5a
>[  221.158027] Code: ff 41 81 ff 00 08 00 00 75 bb e9 f6 fe ff ff 83 f8 02 74 0f 83 f8 03 74 06 ff c8 74 02 0f 0b 31 c9 eb 05 b9 01 00 00 00 44 88 f0 <44> 8b aa 08 04 00 00 83 e0 18 3c 08 0f 84 89 00 00 00 77 09 84 
>[  221.158078] RIP  [<ffffffffa00e5f4f>] intel_dp_set_signal_levels+0x496/0x822 [i915]
>[  221.158114]  RSP <ffff880173e57bc8>
>[  221.158115] CR2: 0000000000000408
>
>[  221.334999]  ffff880177b07b38 ffffffff818302cf 0000000000000006
>[  221.343109]  ffff880177b07b88 ffff880177b07b78 ffffffff8103fa1c ffff8801734030d8
>[  221.347354]  ffffffffa00e8bb7 ffff8801734030d8 ffff880173403118 ffff8801734030d8
>[  221.351542] Call Trace:
>[  221.355462]  [<ffffffff818302cf>] dump_stack+0x46/0x58
>[  221.359456]  [<ffffffff8103fa1c>] warn_slowpath_common+0x81/0x9b
>[  221.363353]  [<ffffffffa00e8bb7>] ? intel_edp_panel_vdd_on+0x30/0x32 [i915]
>[  221.367092]  [<ffffffff8103fad9>] warn_slowpath_fmt+0x46/0x48
>[  221.370710]  [<ffffffffa00e8bb7>] intel_edp_panel_vdd_on+0x30/0x32 [i915]
>[  221.374238]  [<ffffffffa00e8bd5>] intel_dp_probe_oui.part.14+0x1c/0xbb [i915]
>[  221.377697]  [<ffffffffa00e8e02>] intel_dp_detect+0x18e/0x228 [i915]
>[  221.381082]  [<ffffffffa005a067>] drm_helper_probe_single_connector_modes_merge_bits+0xc7/0x2f9 [drm_kms_helper]
>[  221.384519]  [<ffffffffa005a2be>] drm_helper_probe_single_connector_modes+0x13/0x15 [drm_kms_helper]
>[  221.387893]  [<ffffffffa000fe52>] drm_mode_getconnector+0xf7/0x3e8 [drm]
>[  221.391251]  [<ffffffffa0003223>] drm_ioctl+0x2bd/0x425 [drm]
>[  221.394604]  [<ffffffffa000fd5b>] ? drm_mode_getcrtc+0xc1/0xc1 [drm]
>[  221.397942]  [<ffffffff8114b525>] do_vfs_ioctl+0x455/0x49f
>[  221.401262]  [<ffffffff8113d078>] ? __sb_end_write+0x79/0x7e
>[  221.404588]  [<ffffffff81837a37>] ? sysret_check+0x1b/0x56
>[  221.407865]  [<ffffffff8114b5c2>] SyS_ioctl+0x53/0x81
>[  221.411103]  [<ffffffff81837a12>] system_call_fastpath+0x16/0x1b
>[  221.414334] ---[ end trace ad1a752604907088 ]---
>[  221.417740] [drm:intel_dp_probe_oui] Sink OUI: 001cf8
>[  221.421106] [drm:intel_dp_probe_oui] Branch OUI: 000000
>[  221.424259] ------------[ cut here ]------------
>[  221.427463] WARNING: CPU: 1 PID: 4612 at drivers/gpu/drm/i915/intel_dp.c:1293 edp_panel_vdd_off+0x3b/0x7d [i915]()
>[  221.430745] eDP VDD not forced on
>[  221.430851] Modules linked in: netconsole configfs ipv6 dm_mod snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support snd_hda_codec_conexant snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep nouveau snd_pcm r8169 pcspkr lpc_ich i2c_i801 ttm snd_timer mfd_core snd soundcore iosf_mbi battery wmi ac acpi_cpufreq uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev i915 button video drm_kms_helper drm [last unloaded: netconsole]
>[  221.447070] CPU: 1 PID: 4612 Comm: kms_universal_p Tainted: G        W     3.16.0-rc6_drm-intel-nightly_af1aab_20140724_debug+ #766
>[  221.450959]  0000000000000009 ffff880177b07b28 ffffffff818302cf ffff88017fc8ee98
>[  221.455094]  ffff880177b07b78 ffff880177b07b68 ffffffff8103fa1c ffff880177b07b88
>[  221.459207]  ffffffffa00e7ba5 ffff8801734030d8 ffff880173403100 ffff8801734030d8
>[  221.463320] Call Trace:
>[  221.467197]  [<ffffffff818302cf>] dump_stack+0x46/0x58
>[  221.471123]  [<ffffffff8103fa1c>] warn_slowpath_common+0x81/0x9b
>[  221.475100]  [<ffffffffa00e7ba5>] ? edp_panel_vdd_off+0x3b/0x7d [i915]
>[  221.479064]  [<ffffffff8103fad9>] warn_slowpath_fmt+0x46/0x48
>[  221.483058]  [<ffffffffa00e7ba5>] edp_panel_vdd_off+0x3b/0x7d [i915]
>[  221.487064]  [<ffffffffa00e8c6d>] intel_dp_probe_oui.part.14+0xb4/0xbb [i915]
>[  221.491099]  [<ffffffffa00e8e02>] intel_dp_detect+0x18e/0x228 [i915]
>[  221.494981]  [<ffffffffa005a067>] drm_helper_probe_single_connector_modes_merge_bits+0xc7/0x2f9 [drm_kms_helper]
>[  221.498866]  [<ffffffffa005a2be>] drm_helper_probe_single_connector_modes+0x13/0x15 [drm_kms_helper]
>[  221.502692]  [<ffffffffa000fe52>] drm_mode_getconnector+0xf7/0x3e8 [drm]
>[  221.506483]  [<ffffffffa0003223>] drm_ioctl+0x2bd/0x425 [drm]
>[  221.510288]  [<ffffffffa000fd5b>] ? drm_mode_getcrtc+0xc1/0xc1 [drm]
>[  221.514098]  [<ffffffff8114b525>] do_vfs_ioctl+0x455/0x49f
>[  221.517864]  [<ffffffff8113d078>] ? __sb_end_write+0x79/0x7e
>[  221.521614]  [<ffffffff81837a37>] ? sysret_check+0x1b/0x56
>[  221.525361]  [<ffffffff8114b5c2>] SyS_ioctl+0x53/0x81
>[  221.529056]  [<ffffffff81837a12>] system_call_fastpath+0x16/0x1b
>[  221.532753] ---[ end trace ad1a752604907089 ]---
>[  221.536614] [drm:drm_edid_to_eld] ELD: no CEA Extension found
>[  221.540383] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:27:eDP-1] probed modes :
>[  221.544194] [drm:drm_mode_debug_printmodeline] Modeline 28:"1366x768" 60 71000 1366 1404 1426 1482 768 771 777 798 0x48 0xa
>[  221.548109] [drm:drm_mode_getconnector] [CONNECTOR:27:?]
>[  221.552049] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  221.555997] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  221.559915] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  221.563719] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  221.567416] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  221.570143] ---[ end trace ad1a75260490708a ]---
>[  221.570269] BUG: unable to handle kernel [  221.570282] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  221.570286] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  221.570319] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  221.576330] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  221.576332] [drm:intel_crt_detect] CRT not detected via hotplug
>[  221.577344] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  221.577347] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  221.577349] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  221.577352] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  221.577672] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  221.577674] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  221.577676] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  221.577694] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  221.577703] [drm:drm_mode_getconnector] [CONNECTOR:15:?]
>[  221.577707] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1]
>[  221.577709] [drm:intel_crt_detect] [CONNECTOR:15:VGA-1] force=1
>[  221.577727] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
>[  221.583343] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
>[  221.583345] [drm:intel_crt_detect] CRT not detected via hotplug
>[  221.584341] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
>[  221.584344] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  221.584346] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
>[  221.584348] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
>[  221.584666] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
>[  221.584668] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
>[  221.584670] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
>[  221.584687] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:15:VGA-1] disconnected
>[  221.584716] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  221.584742] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  221.584752] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  221.584756] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  221.584758] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  221.585342] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  221.585345] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  221.585389] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  221.585396] [drm:drm_mode_getconnector] [CONNECTOR:18:?]
>[  221.585400] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1]
>[  221.585402] [drm:intel_hdmi_detect] [CONNECTOR:18:HDMI-A-1]
>[  221.586351] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
>[  221.586354] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
>[  221.586396] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:18:HDMI-A-1] disconnected
>[  221.586424] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  221.586450] [drm:drm_mode_getresources] CRTC[2] CONNECTORS[5] ENCODERS[5]
>[  221.586460] [drm:drm_mode_getconnector] [CONNECTOR:23:?]

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