#*********************** 1. Switched from HDMI1 to LVDS 1 ****************************************** # xrandr -s 1280x800 --output LVDS1 --auto --output HDMI1 --off # LVDS1 remained black #*************************************************************************************************** [ 503.222280] [drm:drm_mode_getconnector], [CONNECTOR:5:?] [ 503.222293] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1] [ 503.222323] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1] probed modes : [ 503.222331] [drm:drm_mode_debug_printmodeline], Modeline 19:"1280x800" 60 66090 1280 1304 1328 1352 800 803 809 816 0x48 0x9 [ 503.222344] [drm:drm_mode_getconnector], [CONNECTOR:5:?] [ 503.222572] [drm:drm_mode_getconnector], [CONNECTOR:12:?] [ 503.222580] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:12:VGA-1] [ 503.233537] [drm:intel_crt_detect], CRT not detected via hotplug [ 503.233548] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:12:VGA-1] disconnected [ 503.233566] [drm:drm_mode_getconnector], [CONNECTOR:12:?] [ 503.233574] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:12:VGA-1] [ 503.240160] [drm:intel_crt_detect], CRT not detected via hotplug [ 503.240171] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:12:VGA-1] disconnected [ 503.240213] [drm:drm_mode_getconnector], [CONNECTOR:15:?] [ 503.240221] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:15:HDMI-A-1] [ 503.240229] [drm:intel_sdvo_debug_write], SDVOB: W: 0B (SDVO_CMD_GET_ATTACHED_DISPLAYS) [ 503.241833] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00 [ 503.244649] [drm:intel_sdvo_detect], SDVO response 1 0 [1] [ 503.244657] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02 (SDVO_CMD_SET_CONTROL_BUS_SWITCH) [ 503.247888] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02 (SDVO_CMD_SET_CONTROL_BUS_SWITCH) [ 503.277098] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02 (SDVO_CMD_SET_CONTROL_BUS_SWITCH) [ 503.280215] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02 (SDVO_CMD_SET_CONTROL_BUS_SWITCH) [ 503.309229] [drm:intel_sdvo_connector_matches_edid], connector_is_digital? 1, monitor_is_digital? 1 [ 503.309249] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:15:HDMI-A-1] probed modes : [ 503.309253] [drm:drm_mode_debug_printmodeline], Modeline 9:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x48 0x5 [ 503.309258] [drm:drm_mode_debug_printmodeline], Modeline 22:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa [ 503.309263] [drm:drm_mode_debug_printmodeline], Modeline 18:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5 [ 503.309268] [drm:drm_mode_debug_printmodeline], Modeline 20:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa [ 503.309273] [drm:drm_mode_debug_printmodeline], Modeline 21:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6 [ 503.309292] [drm:drm_mode_getconnector], [CONNECTOR:15:?] [ 503.313412] [drm:intel_sdvo_debug_write], SDVOB: W: 05 00 00 (SDVO_CMD_SET_ACTIVE_OUTPUTS) [ 503.316288] [drm:intel_sdvo_read_response], SDVOB: R: (Success) [ 503.343509] [drm:intel_update_fbc], [ 503.343518] [drm:intel_update_fbc], more than one pipe active, disabling compression [ 503.343526] [drm:i965_update_wm], Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 1 [ 503.344644] [drm:drm_mode_addfb], [FB:26] [ 503.344701] [drm:drm_crtc_helper_set_config], [ 503.344706] [drm:drm_crtc_helper_set_config], [CRTC:3] [NOFB] [ 503.344716] [drm:intel_sdvo_debug_write], SDVOB: W: 05 00 00 (SDVO_CMD_SET_ACTIVE_OUTPUTS) [ 503.347728] [drm:intel_sdvo_read_response], SDVOB: R: (Success) [ 503.362406] [drm:drm_mode_setcrtc], [CRTC:4] [ 503.362416] [drm:drm_mode_setcrtc], [CONNECTOR:5:LVDS-1] [ 503.362419] [drm:drm_crtc_helper_set_config], [ 503.362422] [drm:drm_crtc_helper_set_config], [CRTC:4] [FB:26] #connectors=1 (x y) (0 0) [ 503.362432] [drm:drm_crtc_helper_set_config], [CONNECTOR:5:LVDS-1] to [CRTC:4] [ 503.364988] [drm:i9xx_update_plane], Writing base 01651000 00000000 0 0 5120 [ 503.364998] [drm:intel_update_fbc], [ 503.365003] [drm:intel_update_fbc], fbc set to per-chip default [ 503.365008] [drm:intel_update_fbc], fbc disabled per module param [ 503.416831] [drm:intel_wait_for_vblank], vblank wait timed out [ 513.233482] [drm:intel_crt_detect], CRT not detected via hotplug [ 513.233492] [drm:output_poll_execute], [CONNECTOR:12:VGA-1] status updated from 2 to 2 [ 513.233501] [drm:intel_sdvo_debug_write], SDVOB: W: 0B (SDVO_CMD_GET_ATTACHED_DISPLAYS) [ 513.235107] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00 [ 513.237924] [drm:intel_sdvo_detect], SDVO response 1 0 [1] [ 513.237932] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02 (SDVO_CMD_SET_CONTROL_BUS_SWITCH) [ 513.241131] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02 (SDVO_CMD_SET_CONTROL_BUS_SWITCH) [ 513.270701] [drm:output_poll_execute], [CONNECTOR:15:HDMI-A-1] status updated from 1 to 1 #***************************** 2. Switched to VT1 ************************************************** # this turned on HDMI1 output, LVDS1 was still black #*************************************************************************************************** [ 530.620826] [drm:drm_crtc_helper_set_config], [ 530.620833] [drm:drm_crtc_helper_set_config], [CRTC:3] [FB:25] #connectors=1 (x y) (0 0) [ 530.620845] [drm:drm_crtc_helper_set_config], crtc has no fb, full mode set [ 530.620851] [drm:drm_crtc_helper_set_config], encoder changed, full mode switch [ 530.620856] [drm:drm_crtc_helper_set_config], [CONNECTOR:5:LVDS-1] to [CRTC:4] [ 530.620861] [drm:drm_crtc_helper_set_config], crtc changed, full mode switch [ 530.620867] [drm:drm_crtc_helper_set_config], [CONNECTOR:15:HDMI-A-1] to [CRTC:3] [ 530.620872] [drm:drm_crtc_helper_set_config], attempting to set mode from userspace [ 530.620877] [drm:drm_mode_debug_printmodeline], Modeline 24:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x48 0x5 [ 530.620891] [drm:drm_crtc_helper_set_mode], [CRTC:3] [ 530.620897] [drm:intel_sdvo_debug_write], SDVOB: W: 05 00 00 (SDVO_CMD_SET_ACTIVE_OUTPUTS) [ 530.623834] [drm:intel_sdvo_read_response], SDVOB: R: (Success) [ 530.625069] [drm:i9xx_crtc_mode_set], Mode for pipe A: [ 530.625074] [drm:drm_mode_debug_printmodeline], Modeline 24:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x48 0x5 [ 530.663515] [drm:i9xx_update_plane], Writing base 00040000 00000000 0 0 5120 [ 530.663526] [drm:intel_update_fbc], [ 530.663530] [drm:intel_update_fbc], more than one pipe active, disabling compression [ 530.663538] [drm:i965_update_wm], Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 1 [ 530.663546] [drm:drm_crtc_helper_set_mode], [ENCODER:14:TMDS-14] set [MODE:24:1280x1024] [ 530.663554] [drm:intel_sdvo_debug_write], SDVOB: W: 07 01 00 00 00 (SDVO_CMD_SET_IN_OUT_MAP) [ 530.667827] [drm:intel_sdvo_read_response], SDVOB: R: (Not supported)... failed [ 530.668758] [drm:intel_sdvo_debug_write], SDVOB: W: 11 01 00 (SDVO_CMD_SET_TARGET_OUTPUT) [ 530.671684] [drm:intel_sdvo_read_response], SDVOB: R: (Success) [ 530.672614] [drm:intel_sdvo_debug_write], SDVOB: W: 16 30 2A 00 98 51 00 2A 40 (SDVO_CMD_SET_OUTPUT_TIMINGS_PART1) [ 530.679462] [drm:intel_sdvo_read_response], SDVOB: R: (Not supported)... failed [ 530.680375] [drm:intel_sdvo_debug_write], SDVOB: W: 10 00 (SDVO_CMD_SET_TARGET_INPUT) [ 530.682571] [drm:intel_sdvo_read_response], SDVOB: R: (Success) [ 530.683483] [drm:intel_sdvo_debug_write], SDVOB: W: 9F 00 (SDVO_CMD_SET_ENCODE) [ 530.685678] [drm:intel_sdvo_read_response], SDVOB: R: (Success) [ 530.686584] [drm:intel_sdvo_debug_write], SDVOB: W: 14 30 2A 00 98 51 00 2A 40 (SDVO_CMD_SET_INPUT_TIMINGS_PART1) [ 530.693318] [drm:intel_sdvo_read_response], SDVOB: R: (Success) [ 530.694224] [drm:intel_sdvo_debug_write], SDVOB: W: 15 30 70 13 00 1E 00 00 00 (SDVO_CMD_SET_INPUT_TIMINGS_PART2) [ 530.700949] [drm:intel_sdvo_read_response], SDVOB: R: (Success) [ 530.701855] [drm:intel_sdvo_debug_write], SDVOB: W: 21 01 (SDVO_CMD_SET_CLOCK_RATE_MULT) [ 530.704060] [drm:intel_sdvo_read_response], SDVOB: R: (Success) [ 530.704968] [drm:i965_update_wm], Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 1 [ 530.705453] [drm:intel_update_fbc], [ 530.705454] [drm:intel_update_fbc], more than one pipe active, disabling compression [ 530.730170] [drm:intel_sdvo_debug_write], SDVOB: W: 03 (SDVO_CMD_GET_TRAINED_INPUTS) [ 530.731768] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 [ 530.733656] [drm:intel_sdvo_debug_write], SDVOB: W: 05 01 00 (SDVO_CMD_SET_ACTIVE_OUTPUTS) [ 530.736565] [drm:intel_sdvo_read_response], SDVOB: R: (Success) [ 530.737514] [drm:drm_crtc_helper_set_config], Setting connector DPMS state to on [ 530.737518] [drm:drm_crtc_helper_set_config], [CONNECTOR:15:HDMI-A-1] set DPMS on [ 530.763500] [drm:intel_sdvo_debug_write], SDVOB: W: 03 (SDVO_CMD_GET_TRAINED_INPUTS) [ 530.765103] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 [ 530.766990] [drm:intel_sdvo_debug_write], SDVOB: W: 05 01 00 (SDVO_CMD_SET_ACTIVE_OUTPUTS) [ 530.769901] [drm:intel_sdvo_read_response], SDVOB: R: (Success) [ 530.770849] [drm:drm_crtc_helper_set_config], [ 530.770853] [drm:drm_crtc_helper_set_config], [CRTC:4] [FB:25] #connectors=1 (x y) (0 0) [ 530.770868] [drm:drm_crtc_helper_set_config], [CONNECTOR:5:LVDS-1] to [CRTC:4] [ 530.770874] [drm:drm_crtc_helper_set_config], [CONNECTOR:15:HDMI-A-1] to [CRTC:3] [ 530.770885] [drm:i9xx_update_plane], Writing base 00040000 00000000 0 0 5120 [ 530.770892] [drm:intel_update_fbc], [ 530.770895] [drm:intel_update_fbc], more than one pipe active, disabling compression [ 530.823496] [drm:intel_wait_for_vblank], vblank wait timed out [ 530.823510] [drm:drm_crtc_helper_set_config], [ 530.823513] [drm:drm_crtc_helper_set_config], [CRTC:3] [FB:25] #connectors=1 (x y) (0 0) [ 530.823527] [drm:drm_crtc_helper_set_config], [CONNECTOR:5:LVDS-1] to [CRTC:4] [ 530.823533] [drm:drm_crtc_helper_set_config], [CONNECTOR:15:HDMI-A-1] to [CRTC:3] [ 530.823538] [drm:drm_crtc_helper_set_config], [ 530.823542] [drm:drm_crtc_helper_set_config], [CRTC:4] [FB:25] #connectors=1 (x y) (0 0) [ 530.823550] [drm:drm_crtc_helper_set_config], [CONNECTOR:5:LVDS-1] to [CRTC:4] [ 530.823556] [drm:drm_crtc_helper_set_config], [CONNECTOR:15:HDMI-A-1] to [CRTC:3] [ 530.823581] [drm:drm_crtc_helper_set_config], [ 530.823585] [drm:drm_crtc_helper_set_config], [CRTC:3] [FB:25] #connectors=1 (x y) (0 0) [ 530.823593] [drm:drm_crtc_helper_set_config], [CONNECTOR:5:LVDS-1] to [CRTC:4] [ 530.823599] [drm:drm_crtc_helper_set_config], [CONNECTOR:15:HDMI-A-1] to [CRTC:3] [ 530.823604] [drm:drm_crtc_helper_set_config], [ 530.823607] [drm:drm_crtc_helper_set_config], [CRTC:4] [FB:25] #connectors=1 (x y) (0 0) [ 530.823615] [drm:drm_crtc_helper_set_config], [CONNECTOR:5:LVDS-1] to [CRTC:4] [ 530.823621] [drm:drm_crtc_helper_set_config], [CONNECTOR:15:HDMI-A-1] to [CRTC:3] #********************************** 3. Switched back to vt7 **************************************** # that turned off HDMI1 and turned on LVDS1 # LVDS1 was showing output now #*************************************************************************************************** [ 543.625830] [drm:drm_mode_setcrtc], [CRTC:4] [ 543.625848] [drm:drm_mode_setcrtc], [CONNECTOR:5:LVDS-1] [ 543.625854] [drm:drm_crtc_helper_set_config], [ 543.625859] [drm:drm_crtc_helper_set_config], [CRTC:4] [FB:26] #connectors=1 (x y) (0 0) [ 543.625874] [drm:drm_crtc_helper_set_config], [CONNECTOR:5:LVDS-1] to [CRTC:4] [ 543.625881] [drm:drm_crtc_helper_set_config], [CONNECTOR:15:HDMI-A-1] to [CRTC:3] [ 543.625895] [drm:i9xx_update_plane], Writing base 01651000 00000000 0 0 5120 [ 543.625904] [drm:intel_update_fbc], [ 543.625908] [drm:intel_update_fbc], more than one pipe active, disabling compression [ 543.676832] [drm:intel_wait_for_vblank], vblank wait timed out [ 543.676914] [drm:intel_sdvo_debug_write], SDVOB: W: 05 00 00 (SDVO_CMD_SET_ACTIVE_OUTPUTS) [ 543.679838] [drm:intel_sdvo_read_response], SDVOB: R: (Success) [ 543.706834] [drm:intel_update_fbc], [ 543.706842] [drm:intel_update_fbc], more than one pipe active, disabling compression [ 543.706850] [drm:i965_update_wm], Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 1 [ 543.706904] [drm:drm_mode_getconnector], [CONNECTOR:5:?] [ 543.706913] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1] [ 543.706941] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:LVDS-1] probed modes : [ 543.706948] [drm:drm_mode_debug_printmodeline], Modeline 19:"1280x800" 60 66090 1280 1304 1328 1352 800 803 809 816 0x48 0x9 [ 543.706965] [drm:drm_mode_getconnector], [CONNECTOR:5:?] [ 543.707199] [drm:drm_mode_getconnector], [CONNECTOR:12:?] [ 543.707209] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:12:VGA-1] [ 543.720041] [drm:intel_crt_detect], CRT not detected via hotplug [ 543.720052] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:12:VGA-1] disconnected [ 543.720067] [drm:drm_mode_getconnector], [CONNECTOR:12:?] [ 543.720074] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:12:VGA-1] [ 543.726866] [drm:intel_crt_detect], CRT not detected via hotplug [ 543.726876] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:12:VGA-1] disconnected [ 543.726914] [drm:drm_mode_getconnector], [CONNECTOR:15:?] [ 543.726922] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:15:HDMI-A-1] [ 543.726929] [drm:intel_sdvo_debug_write], SDVOB: W: 0B (SDVO_CMD_GET_ATTACHED_DISPLAYS) [ 543.728534] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00 [ 543.731342] [drm:intel_sdvo_detect], SDVO response 1 0 [1] [ 543.731350] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02 (SDVO_CMD_SET_CONTROL_BUS_SWITCH) [ 543.734553] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02 (SDVO_CMD_SET_CONTROL_BUS_SWITCH) [ 543.763630] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02 (SDVO_CMD_SET_CONTROL_BUS_SWITCH) [ 543.766749] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02 (SDVO_CMD_SET_CONTROL_BUS_SWITCH) [ 543.795740] [drm:intel_sdvo_connector_matches_edid], connector_is_digital? 1, monitor_is_digital? 1 [ 543.795759] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:15:HDMI-A-1] probed modes : [ 543.795763] [drm:drm_mode_debug_printmodeline], Modeline 9:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x48 0x5 [ 543.795768] [drm:drm_mode_debug_printmodeline], Modeline 22:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa [ 543.795773] [drm:drm_mode_debug_printmodeline], Modeline 18:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5 [ 543.795778] [drm:drm_mode_debug_printmodeline], Modeline 20:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa [ 543.795783] [drm:drm_mode_debug_printmodeline], Modeline 21:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6 [ 543.795795] [drm:drm_mode_getconnector], [CONNECTOR:15:?] [ 543.796501] [drm:i965_update_wm], Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 1 [ 543.816874] [drm:intel_update_fbc], [ 543.816881] [drm:intel_update_fbc], more than one pipe active, disabling compression [ 543.823474] [drm:intel_panel_actually_set_backlight], set backlight PWM = 255000 [ 543.823484] [drm:intel_panel_get_max_backlight], max backlight PWM = 255000 [ 553.740158] [drm:intel_crt_detect], CRT not detected via hotplug [ 553.740169] [drm:output_poll_execute], [CONNECTOR:12:VGA-1] status updated from 2 to 2 [ 553.740178] [drm:intel_sdvo_debug_write], SDVOB: W: 0B (SDVO_CMD_GET_ATTACHED_DISPLAYS) [ 553.741784] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00 [ 553.744597] [drm:intel_sdvo_detect], SDVO response 1 0 [1] [ 553.744605] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02 (SDVO_CMD_SET_CONTROL_BUS_SWITCH) [ 553.747805] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02 (SDVO_CMD_SET_CONTROL_BUS_SWITCH) [ 553.777375] [drm:output_poll_execute], [CONNECTOR:15:HDMI-A-1] status updated from 1 to 1