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- # dmesg | grep drm
- [ 0.000000] Kernel command line: console=tty0 console=ttyS2,1500000n8 drm.debug=0x0e video=HDMI-A-1:e ignore_loglevel debug rw root=/dev/mmcblk1p5 rootfstype=ext2 rootwait
- [ 0.308572] rockchip-drm display-subsystem: bound 20050000.vop (ops 0xc0953a9c)
- [ 0.312061] [drm] forcing HDMI-A-1 connector on
- [ 0.312500] [drm:drm_connector_init] cmdline mode for connector HDMI-A-1 0x0@60Hz
- [ 0.313200] rockchip-drm display-subsystem: bound 200a0000.hdmi (ops 0xc0956878)
- [ 0.313867] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
- [ 0.314457] [drm] No driver support for vblank timestamp query.
- [ 0.315020] [drm:drm_client_modeset_probe]
- [ 0.315418] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1]
- [ 0.316103] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] status updated from unknown to connected
- [ 0.372156] [drm:drm_add_display_info] non_desktop set to 0
- [ 0.372690] [drm:drm_add_edid_modes] ELD: no CEA Extension found
- [ 0.373236] [drm:drm_add_display_info] non_desktop set to 0
- [ 0.374056] [drm:drm_mode_debug_printmodeline] Modeline "1280x800": 0 71000 1280 1328 1360 1440 800 803 809 823 0x40 0x9
- [ 0.375036] [drm:drm_mode_prune_invalid] Not using 1280x800 mode: BAD
- [ 0.375627] [drm:drm_mode_debug_printmodeline] Modeline "1440x900": 0 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
- [ 0.376596] [drm:drm_mode_prune_invalid] Not using 1440x900 mode: BAD
- [ 0.377244] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 30240 640 704 768 864 480 483 486 525 0x40 0xa
- [ 0.378180] [drm:drm_mode_prune_invalid] Not using 640x480 mode: BAD
- [ 0.378758] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 25175 640 656 752 800 480 490 492 525 0x40 0xa
- [ 0.379689] [drm:drm_mode_prune_invalid] Not using 640x480 mode: BAD
- [ 0.380265] [drm:drm_mode_debug_printmodeline] Modeline "720x400": 0 28320 720 738 846 900 400 412 414 449 0x40 0x6
- [ 0.381195] [drm:drm_mode_prune_invalid] Not using 720x400 mode: BAD
- [ 0.381772] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 0 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
- [ 0.382741] [drm:drm_mode_prune_invalid] Not using 1024x768 mode: BAD
- [ 0.383331] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] probed modes :
- [ 0.384125] [drm:drm_mode_debug_printmodeline] Modeline "1920x1080": 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
- [ 0.385152] [drm:drm_mode_debug_printmodeline] Modeline "1280x1024": 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
- [ 0.386180] [drm:drm_mode_debug_printmodeline] Modeline "1152x864": 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
- [ 0.387195] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
- [ 0.388179] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
- [ 0.389131] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
- [ 0.390081] [drm:drm_client_modeset_probe] connector 35 enabled? yes
- [ 0.390661] [drm:drm_client_modeset_probe] Not using firmware configuration
- [ 0.391289] [drm:drm_client_modeset_probe] looking for cmdline mode on connector 35
- [ 0.391978] [drm:drm_client_modeset_probe] looking for preferred mode on connector 35 0
- [ 0.392697] [drm:drm_client_modeset_probe] found mode 1920x1080
- [ 0.393230] [drm:drm_client_modeset_probe] picking CRTCs for 4096x4096 config
- [ 0.393876] [drm:drm_client_modeset_probe] desired mode 1920x1080 set on crtc 33 (0,0)
- [ 0.430268] [drm:rockchip_drm_fbdev_create] FB [1920x2160]-24 kvaddr=(ptrval) offset=0 size=16588800
- [ 0.541026] rockchip-drm display-subsystem: fb0: rockchipdrmfb frame buffer device
- [ 0.543305] [drm] Initialized rockchip 1.0.0 20140818 for display-subsystem on minor 0
- [ 0.556550] [drm] Initialized lima 1.0.0 20190217 for 20000000.gpu on minor 1
- [ 1.616744] [drm:drm_fb_helper_hotplug_event.part.5]
- [ 1.634435] [drm:drm_client_modeset_probe]
- [ 1.645014] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1]
- [ 1.738599] [drm:drm_add_display_info] non_desktop set to 0
- [ 1.752974] [drm:drm_add_edid_modes] ELD: no CEA Extension found
- [ 1.774847] [drm:drm_add_display_info] non_desktop set to 0
- [ 1.797501] [drm:drm_mode_debug_printmodeline] Modeline "1280x800": 0 71000 1280 1328 1360 1440 800 803 809 823 0x40 0x9
- [ 1.819815] [drm:drm_mode_prune_invalid] Not using 1280x800 mode: BAD
- [ 1.842695] [drm:drm_mode_debug_printmodeline] Modeline "1440x900": 0 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
- [ 1.842710] [drm:drm_mode_prune_invalid] Not using 1440x900 mode: BAD
- [ 1.866276] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 30240 640 704 768 864 480 483 486 525 0x40 0xa
- [ 1.890086] [drm:drm_mode_prune_invalid] Not using 640x480 mode: BAD
- [ 1.890116] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 25175 640 656 752 800 480 490 492 525 0x40 0xa
- [ 1.945129] [drm:drm_mode_prune_invalid] Not using 640x480 mode: BAD
- [ 1.970520] [drm:drm_mode_debug_printmodeline] Modeline "720x400": 0 28320 720 738 846 900 400 412 414 449 0x40 0x6
- [ 1.970542] [drm:drm_mode_prune_invalid] Not using 720x400 mode: BAD
- [ 1.996920] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 0 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
- [ 1.996939] [drm:drm_mode_prune_invalid] Not using 1024x768 mode: BAD
- [ 2.023407] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] probed modes :
- [ 2.023438] [drm:drm_mode_debug_printmodeline] Modeline "1920x1080": 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
- [ 2.049791] [drm:drm_mode_debug_printmodeline] Modeline "1280x1024": 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
- [ 2.049809] [drm:drm_mode_debug_printmodeline] Modeline "1152x864": 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
- [ 2.077647] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
- [ 2.107100] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
- [ 2.107129] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
- [ 2.136066] [drm:drm_client_modeset_probe] connector 35 enabled? yes
- [ 2.166457] [drm:drm_client_modeset_probe] Not using firmware configuration
- [ 2.195958] [drm:drm_client_modeset_probe] looking for cmdline mode on connector 35
- [ 2.225441] [drm:drm_client_modeset_probe] looking for preferred mode on connector 35 0
- [ 2.225456] [drm:drm_client_modeset_probe] found mode 1920x1080
- [ 2.256298] [drm:drm_client_modeset_probe] picking CRTCs for 1920x2160 config
- [ 2.318614] [drm:drm_client_modeset_probe] desired mode 1920x1080 set on crtc 33 (0,0)
- # ./modetest -M rockchip -c
- drmOpenDevice: node name is /dev/dri/card0
- drmOpenDevice: open result is 3, (OK)
- drmGetBusid returned ''
- [ 113.691394] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1]
- [ 114.236930] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 25175 640 656 752 800 480 490 492 525 0x40 0xa
- [ 114.238244] [drm:drm_mode_prune_invalid] Not using 640x480 mode: BAD
- [ 114.239029] [drm:drm_mode_debug_printmodeline] Modeline "848x480": 0 33750 848 864 976 1088 480 486 494 517 0x40 0x5
- [ 114.240281] [drm:drm_mode_prune_invalid] Not using 848x480 mode: BAD
- [ 114.241067] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] probed modes :
- [ 114.242124] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
- [ 114.243423] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
- [ 114.244686] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
- Connectors:
- id encoder status name size (mm) modes encoders
- 35 34 connected HDMI-A-1 600x340 3 34
- modes:
- name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot)
- 1024x768 60.00 1024 1048 1184 1344 768 771 777 806 65000 flags: nhsync, nvsync; type: driver
- 800x600 60.32 800 840 968 1056 600 601 605 628 40000 flags: phsync, pvsync; type: driver
- 800x600 56.25 800 824 896 1024 600 601 603 625 36000 flags: phsync, pvsync; type: driver
- props:
- 1 EDID:
- flags: immutable blob
- blobs:
- value:
- 00ffffffffffff0004726402eba15011
- 0f150103803c22782af835a4564f9d27
- 115054b30c00714f810081809500d1c0
- 010101010101023a801871382d40582c
- 450056502100001e000000fd00314b1e
- 5e11000a202020202020000000fc0041
- 6365722048323734484c0a20000000ff
- 004c54413057303034343330300a000b
- 2 DPMS:
- flags: enum
- enums: On=0 Standby=1 Suspend=2 Off=3
- value: 0
- 5 link-status:
- flags: enum
- enums: Good=0 Bad=1
- value: 0
- 6 non-desktop:
- flags: immutable range
- values: 0 1
- value: 0
- 4 TILE:
- flags: immutable blob
- blobs:
- value:
- 20 CRTC_ID:
- flags: object
- value: 33
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