Working HDMI:

[ 1228.127670] [drm:drm_mode_getconnector], [CONNECTOR:13:?]
[ 1228.127684] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:13:LVDS-1]
[ 1228.127694] [drm:radeon_atombios_connected_scratch_regs], LCD1 connected
[ 1228.127708] [drm:radeon_fp_native_mode], Adding native panel mode 1024x768
[ 1228.127731] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:13:LVDS-1] probed modes :
[ 1228.127737] [drm:drm_mode_debug_printmodeline], Modeline 18:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x48 0xa
[ 1228.127746] [drm:drm_mode_debug_printmodeline], Modeline 21:"800x600" 60 38250 800 832 912 1024 600 603 607 624 0x0 0x6
[ 1228.127755] [drm:drm_mode_debug_printmodeline], Modeline 22:"848x480" 60 31500 848 872 952 1056 480 483 493 500 0x0 0x6
[ 1228.127763] [drm:drm_mode_debug_printmodeline], Modeline 20:"720x480" 60 26750 720 744 808 896 480 483 493 500 0x0 0x6
[ 1228.127771] [drm:drm_mode_debug_printmodeline], Modeline 19:"640x480" 59 23750 640 664 720 800 480 483 487 500 0x0 0x6
[ 1228.127789] [drm:drm_mode_getconnector], [CONNECTOR:13:?]
[ 1228.127857] [drm:drm_mode_getconnector], [CONNECTOR:15:?]
[ 1228.127862] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:15:HDMI-A-1]
[ 1228.238638] [drm:radeon_atombios_connected_scratch_regs], DFP1 connected
[ 1228.238689] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:15:HDMI-A-1] probed modes :
[ 1228.238695] [drm:drm_mode_debug_printmodeline], Modeline 24:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
[ 1228.238703] [drm:drm_mode_debug_printmodeline], Modeline 25:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
[ 1228.238712] [drm:drm_mode_debug_printmodeline], Modeline 27:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
[ 1228.238720] [drm:drm_mode_debug_printmodeline], Modeline 33:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
[ 1228.238728] [drm:drm_mode_debug_printmodeline], Modeline 26:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
[ 1228.238736] [drm:drm_mode_debug_printmodeline], Modeline 28:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
[ 1228.238744] [drm:drm_mode_debug_printmodeline], Modeline 34:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
[ 1228.238752] [drm:drm_mode_debug_printmodeline], Modeline 35:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
[ 1228.238760] [drm:drm_mode_debug_printmodeline], Modeline 36:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
[ 1228.238768] [drm:drm_mode_debug_printmodeline], Modeline 29:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
[ 1228.238776] [drm:drm_mode_debug_printmodeline], Modeline 30:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
[ 1228.238784] [drm:drm_mode_debug_printmodeline], Modeline 31:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
[ 1228.238792] [drm:drm_mode_debug_printmodeline], Modeline 32:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
[ 1228.238808] [drm:drm_mode_getconnector], [CONNECTOR:15:?]
[ 1228.239872] [drm:drm_mode_getconnector], [CONNECTOR:17:?]
[ 1228.239879] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:17:VGA-1]
[ 1228.247581] [drm:radeon_atom_dac_detect], Bios 0 scratch 50000 00000001
[ 1228.247597] [drm:radeon_atombios_connected_scratch_regs], CRT1 disconnected
[ 1228.247607] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:17:VGA-1] disconnected
[ 1228.247630] [drm:drm_mode_getconnector], [CONNECTOR:17:?]
[ 1228.247636] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:17:VGA-1]
[ 1228.255576] [drm:radeon_atom_dac_detect], Bios 0 scratch 50000 00000001
[ 1228.255592] [drm:radeon_atombios_connected_scratch_regs], CRT1 disconnected
[ 1228.255601] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:17:VGA-1] disconnected
[ 1228.257074] [drm:radeon_atom_encoder_dpms], encoder dpms 30 to mode 3, devices 00000008, active_devices 00000008
[ 1228.257089] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.257111] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.265469] [drm:drm_mode_addfb], [FB:55]
[ 1228.265490] [drm:drm_crtc_helper_set_config], 
[ 1228.265495] [drm:drm_crtc_helper_set_config], [CRTC:10] [NOFB]
[ 1228.265509] [drm:drm_crtc_helper_set_config], [CONNECTOR:13:LVDS-1] to [NOCRTC]
[ 1228.265514] [drm:drm_crtc_helper_set_config], crtc changed, full mode switch
[ 1228.265519] [drm:drm_crtc_helper_set_config], [CONNECTOR:15:HDMI-A-1] to [NOCRTC]
[ 1228.265526] [drm:radeon_atom_encoder_dpms], encoder dpms 21 to mode 3, devices 00000001, active_devices 00000000
[ 1228.270227] [drm:drm_mode_getconnector], [CONNECTOR:13:?]
[ 1228.270240] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:13:LVDS-1]
[ 1228.270251] [drm:radeon_atombios_connected_scratch_regs], LCD1 connected
[ 1228.270265] [drm:radeon_fp_native_mode], Adding native panel mode 1024x768
[ 1228.270290] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:13:LVDS-1] probed modes :
[ 1228.270296] [drm:drm_mode_debug_printmodeline], Modeline 18:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x48 0xa
[ 1228.270305] [drm:drm_mode_debug_printmodeline], Modeline 21:"800x600" 60 38250 800 832 912 1024 600 603 607 624 0x0 0x6
[ 1228.270314] [drm:drm_mode_debug_printmodeline], Modeline 22:"848x480" 60 31500 848 872 952 1056 480 483 493 500 0x0 0x6
[ 1228.270322] [drm:drm_mode_debug_printmodeline], Modeline 20:"720x480" 60 26750 720 744 808 896 480 483 493 500 0x0 0x6
[ 1228.270330] [drm:drm_mode_debug_printmodeline], Modeline 19:"640x480" 59 23750 640 664 720 800 480 483 487 500 0x0 0x6
[ 1228.270345] [drm:drm_mode_getconnector], [CONNECTOR:13:?]
[ 1228.270409] [drm:drm_mode_getconnector], [CONNECTOR:15:?]
[ 1228.270415] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:15:HDMI-A-1]
[ 1228.381154] [drm:radeon_atombios_connected_scratch_regs], DFP1 connected
[ 1228.381204] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:15:HDMI-A-1] probed modes :
[ 1228.381210] [drm:drm_mode_debug_printmodeline], Modeline 24:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
[ 1228.381218] [drm:drm_mode_debug_printmodeline], Modeline 25:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
[ 1228.381227] [drm:drm_mode_debug_printmodeline], Modeline 27:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
[ 1228.381235] [drm:drm_mode_debug_printmodeline], Modeline 33:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
[ 1228.381243] [drm:drm_mode_debug_printmodeline], Modeline 26:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
[ 1228.381251] [drm:drm_mode_debug_printmodeline], Modeline 28:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
[ 1228.381259] [drm:drm_mode_debug_printmodeline], Modeline 34:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
[ 1228.381268] [drm:drm_mode_debug_printmodeline], Modeline 35:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
[ 1228.381276] [drm:drm_mode_debug_printmodeline], Modeline 36:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
[ 1228.381284] [drm:drm_mode_debug_printmodeline], Modeline 29:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
[ 1228.381292] [drm:drm_mode_debug_printmodeline], Modeline 30:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
[ 1228.381300] [drm:drm_mode_debug_printmodeline], Modeline 31:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
[ 1228.381308] [drm:drm_mode_debug_printmodeline], Modeline 32:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
[ 1228.381324] [drm:drm_mode_getconnector], [CONNECTOR:15:?]
[ 1228.382359] [drm:drm_mode_getconnector], [CONNECTOR:17:?]
[ 1228.382366] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:17:VGA-1]
[ 1228.390572] [drm:radeon_atom_dac_detect], Bios 0 scratch 50000 00000001
[ 1228.390588] [drm:radeon_atombios_connected_scratch_regs], CRT1 disconnected
[ 1228.390597] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:17:VGA-1] disconnected
[ 1228.390620] [drm:drm_mode_getconnector], [CONNECTOR:17:?]
[ 1228.390625] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:17:VGA-1]
[ 1228.398572] [drm:radeon_atom_dac_detect], Bios 0 scratch 50000 00000001
[ 1228.398587] [drm:radeon_atombios_connected_scratch_regs], CRT1 disconnected
[ 1228.398596] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:17:VGA-1] disconnected
[ 1228.400071] [drm:drm_mode_addfb], [FB:52]
[ 1228.400341] [drm:drm_mode_setcrtc], [CRTC:10]
[ 1228.400354] [drm:drm_mode_setcrtc], [CONNECTOR:13:LVDS-1]
[ 1228.400359] [drm:drm_crtc_helper_set_config], 
[ 1228.400363] [drm:drm_crtc_helper_set_config], [CRTC:10] [FB:52] #connectors=1 (x y) (0 0)
[ 1228.400375] [drm:drm_crtc_helper_set_config], crtc has no fb, full mode set
[ 1228.400381] [drm:drm_crtc_helper_set_config], modes are different, full mode set
[ 1228.400386] [drm:drm_mode_debug_printmodeline], Modeline 54:"" 0 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x0 0x9
[ 1228.400395] [drm:drm_mode_debug_printmodeline], Modeline 55:"" 0 25200 640 656 752 800 480 490 492 525 0x0 0xa
[ 1228.400404] [drm:drm_crtc_helper_set_config], crtc changed, full mode switch
[ 1228.400409] [drm:drm_crtc_helper_set_config], [CONNECTOR:13:LVDS-1] to [CRTC:10]
[ 1228.400415] [drm:drm_crtc_helper_set_config], [CONNECTOR:15:HDMI-A-1] to [NOCRTC]
[ 1228.400420] [drm:drm_crtc_helper_set_config], attempting to set mode from userspace
[ 1228.400425] [drm:drm_mode_debug_printmodeline], Modeline 55:"" 0 25200 640 656 752 800 480 490 492 525 0x0 0xa
[ 1228.400437] [drm:radeon_encoder_set_active_device], setting active device to 00000002 from 00000002 00000002 for encoder 3
[ 1228.400450] [drm:drm_crtc_helper_set_mode], [CRTC:10]
[ 1228.400458] [drm:radeon_atom_encoder_dpms], encoder dpms 30 to mode 3, devices 00000002, active_devices 00000002
[ 1228.402131] [drm:radeon_atom_encoder_dpms], encoder dpms 30 to mode 3, devices 00000008, active_devices 00000008
[ 1228.402145] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.402158] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.402164] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.402503] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.402508] [drm:radeon_atom_encoder_dpms], encoder dpms 21 to mode 3, devices 00000001, active_devices 00000000
[ 1228.402564] [drm:radeon_compute_pll_avivo], 6500, pll dividers - fb: 23.4 ref: 2, post 18
[ 1228.407534] [drm:drm_crtc_helper_set_mode], [ENCODER:12:LVDS-12] set [MODE:55:]
[ 1228.425300] [drm:dce4_crtc_load_lut], 0
[ 1228.441992] [drm:radeon_atom_encoder_dpms], encoder dpms 30 to mode 0, devices 00000002, active_devices 00000002
[ 1228.493291] [drm:drm_crtc_helper_set_config], Setting connector DPMS state to on
[ 1228.493302] [drm:drm_crtc_helper_set_config],        [CONNECTOR:13:LVDS-1] set DPMS on
[ 1228.493310] [drm:radeon_atom_encoder_dpms], encoder dpms 21 to mode 3, devices 00000001, active_devices 00000000
[ 1228.498353] [drm:drm_mode_getconnector], [CONNECTOR:13:?]
[ 1228.498366] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:13:LVDS-1]
[ 1228.498377] [drm:radeon_atombios_connected_scratch_regs], LCD1 connected
[ 1228.498392] [drm:radeon_fp_native_mode], Adding native panel mode 1024x768
[ 1228.498417] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:13:LVDS-1] probed modes :
[ 1228.498423] [drm:drm_mode_debug_printmodeline], Modeline 18:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x48 0xa
[ 1228.498432] [drm:drm_mode_debug_printmodeline], Modeline 21:"800x600" 60 38250 800 832 912 1024 600 603 607 624 0x0 0x6
[ 1228.498441] [drm:drm_mode_debug_printmodeline], Modeline 22:"848x480" 60 31500 848 872 952 1056 480 483 493 500 0x0 0x6
[ 1228.498449] [drm:drm_mode_debug_printmodeline], Modeline 20:"720x480" 60 26750 720 744 808 896 480 483 493 500 0x0 0x6
[ 1228.498457] [drm:drm_mode_debug_printmodeline], Modeline 19:"640x480" 59 23750 640 664 720 800 480 483 487 500 0x0 0x6
[ 1228.498473] [drm:drm_mode_getconnector], [CONNECTOR:13:?]
[ 1228.498536] [drm:drm_mode_getconnector], [CONNECTOR:15:?]
[ 1228.498543] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:15:HDMI-A-1]
[ 1228.609309] [drm:radeon_atombios_connected_scratch_regs], DFP1 connected
[ 1228.609359] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:15:HDMI-A-1] probed modes :
[ 1228.609365] [drm:drm_mode_debug_printmodeline], Modeline 24:"1920x1200" 60 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x48 0x9
[ 1228.609374] [drm:drm_mode_debug_printmodeline], Modeline 25:"1920x1080" 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x40 0x5
[ 1228.609382] [drm:drm_mode_debug_printmodeline], Modeline 27:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x40 0x5
[ 1228.609390] [drm:drm_mode_debug_printmodeline], Modeline 33:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
[ 1228.609398] [drm:drm_mode_debug_printmodeline], Modeline 26:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
[ 1228.609407] [drm:drm_mode_debug_printmodeline], Modeline 28:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
[ 1228.609415] [drm:drm_mode_debug_printmodeline], Modeline 34:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
[ 1228.609423] [drm:drm_mode_debug_printmodeline], Modeline 35:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
[ 1228.609431] [drm:drm_mode_debug_printmodeline], Modeline 36:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
[ 1228.609439] [drm:drm_mode_debug_printmodeline], Modeline 29:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
[ 1228.609447] [drm:drm_mode_debug_printmodeline], Modeline 30:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
[ 1228.609455] [drm:drm_mode_debug_printmodeline], Modeline 31:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
[ 1228.609463] [drm:drm_mode_debug_printmodeline], Modeline 32:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
[ 1228.609477] [drm:drm_mode_getconnector], [CONNECTOR:15:?]
[ 1228.610496] [drm:drm_mode_getconnector], [CONNECTOR:17:?]
[ 1228.610503] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:17:VGA-1]
[ 1228.618572] [drm:radeon_atom_dac_detect], Bios 0 scratch 50000 00000001
[ 1228.618588] [drm:radeon_atombios_connected_scratch_regs], CRT1 disconnected
[ 1228.618597] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:17:VGA-1] disconnected
[ 1228.618620] [drm:drm_mode_getconnector], [CONNECTOR:17:?]
[ 1228.618625] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:17:VGA-1]
[ 1228.626571] [drm:radeon_atom_dac_detect], Bios 0 scratch 50000 00000001
[ 1228.626586] [drm:radeon_atombios_connected_scratch_regs], CRT1 disconnected
[ 1228.626595] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:17:VGA-1] disconnected
[ 1228.628210] [drm:drm_mode_addfb], [FB:56]
[ 1228.628246] [drm:dce4_crtc_load_lut], 0
[ 1228.628277] [drm:drm_mode_setcrtc], [CRTC:10]
[ 1228.628286] [drm:drm_mode_setcrtc], [CONNECTOR:13:LVDS-1]
[ 1228.628291] [drm:drm_crtc_helper_set_config], 
[ 1228.628295] [drm:drm_crtc_helper_set_config], [CRTC:10] [FB:56] #connectors=1 (x y) (0 0)
[ 1228.628310] [drm:drm_crtc_helper_set_config], [CONNECTOR:13:LVDS-1] to [CRTC:10]
[ 1228.628316] [drm:drm_crtc_helper_set_config], [CONNECTOR:15:HDMI-A-1] to [NOCRTC]
[ 1228.629169] [drm:drm_mode_setcrtc], [CRTC:11]
[ 1228.629180] [drm:drm_mode_setcrtc], [CONNECTOR:15:HDMI-A-1]
[ 1228.629185] [drm:drm_crtc_helper_set_config], 
[ 1228.629188] [drm:drm_crtc_helper_set_config], [CRTC:11] [FB:56] #connectors=1 (x y) (0 0)
[ 1228.629199] [drm:drm_crtc_helper_set_config], crtc has no fb, full mode set
[ 1228.629204] [drm:drm_crtc_helper_set_config], [CONNECTOR:13:LVDS-1] to [CRTC:10]
[ 1228.629210] [drm:drm_crtc_helper_set_config], crtc changed, full mode switch
[ 1228.629214] [drm:drm_crtc_helper_set_config], [CONNECTOR:15:HDMI-A-1] to [CRTC:11]
[ 1228.629220] [drm:drm_crtc_helper_set_config], attempting to set mode from userspace
[ 1228.629225] [drm:drm_mode_debug_printmodeline], Modeline 52:"" 0 154000 1920 1968 2000 2080 1200 1203 1209 1235 0x0 0x9
[ 1228.629238] [drm:radeon_encoder_set_active_device], setting active device to 00000008 from 00000008 00000008 for encoder 2
[ 1228.629252] [drm:drm_crtc_helper_set_mode], [CRTC:11]
[ 1228.629264] [drm:radeon_atom_encoder_dpms], encoder dpms 30 to mode 3, devices 00000008, active_devices 00000008
[ 1228.629282] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.629315] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.629330] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.629355] [drm:radeon_atom_encoder_dpms], encoder dpms 21 to mode 3, devices 00000001, active_devices 00000000
[ 1228.629376] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.629425] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.629431] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.629441] [drm:radeon_compute_pll_avivo], 15396, pll dividers - fb: 97.0 ref: 9, post 7
[ 1228.634358] [drm:evergreen_program_watermarks], force priority to high
[ 1228.634387] [drm:drm_crtc_helper_set_mode], [ENCODER:14:TMDS-14] set [MODE:52:]
[ 1228.634397] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.634740] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.634753] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.637295] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.637328] [drm:dce4_crtc_load_lut], 1
[ 1228.654030] [drm:radeon_atom_encoder_dpms], encoder dpms 30 to mode 0, devices 00000008, active_devices 00000008
[ 1228.654039] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.654052] [drm:drm_detect_monitor_audio], Monitor has basic audio support
[ 1228.654064] [drm:drm_crtc_helper_set_config], Setting connector DPMS state to on
[ 1228.654070] [drm:drm_crtc_helper_set_config],        [CONNECTOR:15:HDMI-A-1] set DPMS on
[ 1228.654076] [drm:radeon_atom_encoder_dpms], encoder dpms 21 to mode 3, devices 00000001, active_devices 00000000