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- # dmesg | grep drm
- [ 0.000000] Kernel command line: console=tty0 console=ttyS2,1500000n8 drm.debug=0x0e ignore_loglevel debug rw root=/dev/mmcblk1p5 rootfstype=ext2 rootwait
- [ 0.307265] rockchip-drm display-subsystem: bound 20050000.vop (ops 0xc0953c1c)
- [ 0.310844] rockchip-drm display-subsystem: bound 200a0000.hdmi (ops 0xc09569f8)
- [ 0.311522] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
- [ 0.312112] [drm] No driver support for vblank timestamp query.
- [ 0.312682] [drm:drm_client_modeset_probe]
- [ 0.313080] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1]
- [ 0.369190] [drm:drm_add_display_info] non_desktop set to 0
- [ 0.369727] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] status updated from unknown to connected
- [ 0.370715] [drm:drm_add_edid_modes] ELD: no CEA Extension found
- [ 0.371259] [drm:drm_add_display_info] non_desktop set to 0
- [ 0.372136] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 0 36000 800 824 896 1024 600 601 603 625 0x40 0x5
- [ 0.373089] [drm:drm_mode_prune_invalid] Not using 800x600 mode: CLOCK_RANGE
- [ 0.373728] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 30240 640 704 768 864 480 483 486 525 0x40 0xa
- [ 0.374658] [drm:drm_mode_prune_invalid] Not using 640x480 mode: CLOCK_RANGE
- [ 0.375295] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 25175 640 656 752 800 480 490 492 525 0x40 0xa
- [ 0.376225] [drm:drm_mode_prune_invalid] Not using 640x480 mode: CLOCK_RANGE
- [ 0.376944] [drm:drm_mode_debug_printmodeline] Modeline "720x400": 0 28320 720 738 846 900 400 412 414 449 0x40 0x6
- [ 0.377880] [drm:drm_mode_prune_invalid] Not using 720x400 mode: CLOCK_RANGE
- [ 0.378517] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 0 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
- [ 0.379485] [drm:drm_mode_prune_invalid] Not using 1024x768 mode: CLOCK_RANGE
- [ 0.380135] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] probed modes :
- [ 0.380930] [drm:drm_mode_debug_printmodeline] Modeline "1920x1080": 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
- [ 0.381957] [drm:drm_mode_debug_printmodeline] Modeline "1280x1024": 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
- [ 0.382984] [drm:drm_mode_debug_printmodeline] Modeline "1440x900": 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
- [ 0.383965] [drm:drm_mode_debug_printmodeline] Modeline "1280x800": 60 71000 1280 1328 1360 1440 800 803 809 823 0x40 0x9
- [ 0.384946] [drm:drm_mode_debug_printmodeline] Modeline "1152x864": 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
- [ 0.385935] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
- [ 0.386945] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
- [ 0.387896] [drm:drm_client_modeset_probe] connector 35 enabled? yes
- [ 0.388475] [drm:drm_client_modeset_probe] Not using firmware configuration
- [ 0.389104] [drm:drm_client_modeset_probe] looking for cmdline mode on connector 35
- [ 0.389794] [drm:drm_client_modeset_probe] looking for preferred mode on connector 35 0
- [ 0.390512] [drm:drm_client_modeset_probe] found mode 1920x1080
- [ 0.391045] [drm:drm_client_modeset_probe] picking CRTCs for 4096x4096 config
- [ 0.391692] [drm:drm_client_modeset_probe] desired mode 1920x1080 set on crtc 33 (0,0)
- [ 0.428429] [drm:rockchip_drm_fbdev_create] FB [1920x2160]-24 kvaddr=(ptrval) offset=0 size=16588800
- [ 0.539226] rockchip-drm display-subsystem: fb0: rockchipdrmfb frame buffer device
- [ 0.541727] [drm] Initialized rockchip 1.0.0 20140818 for display-subsystem on minor 0
- [ 0.555075] [drm] Initialized lima 1.0.0 20190217 for 20000000.gpu on minor 1
- [ 1.606884] [drm:drm_fb_helper_hotplug_event.part.5]
- [ 1.623075] [drm:drm_client_modeset_probe]
- [ 1.644073] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1]
- [ 1.655012] [drm:drm_add_edid_modes] ELD: no CEA Extension found
- [ 1.677344] [drm:drm_add_display_info] non_desktop set to 0
- [ 1.688957] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 0 36000 800 824 896 1024 600 601 603 625 0x40 0x5
- [ 1.700911] [drm:drm_mode_prune_invalid] Not using 800x600 mode: CLOCK_RANGE
- [ 1.712612] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 30240 640 704 768 864 480 483 486 525 0x40 0xa
- [ 1.724648] [drm:drm_mode_prune_invalid] Not using 640x480 mode: CLOCK_RANGE
- [ 1.736367] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 25175 640 656 752 800 480 490 492 525 0x40 0xa
- [ 1.748431] [drm:drm_mode_prune_invalid] Not using 640x480 mode: CLOCK_RANGE
- [ 1.760480] [drm:drm_mode_debug_printmodeline] Modeline "720x400": 0 28320 720 738 846 900 400 412 414 449 0x40 0x6
- [ 1.772893] [drm:drm_mode_prune_invalid] Not using 720x400 mode: CLOCK_RANGE
- [ 1.785056] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 0 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
- [ 1.810584] [drm:drm_mode_prune_invalid] Not using 1024x768 mode: CLOCK_RANGE
- [ 1.835510] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] probed modes :
- [ 1.861743] [drm:drm_mode_debug_printmodeline] Modeline "1920x1080": 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
- [ 1.875578] [drm:drm_mode_debug_printmodeline] Modeline "1280x1024": 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
- [ 1.889217] [drm:drm_mode_debug_printmodeline] Modeline "1440x900": 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
- [ 1.902847] [drm:drm_mode_debug_printmodeline] Modeline "1280x800": 60 71000 1280 1328 1360 1440 800 803 809 823 0x40 0x9
- [ 1.916475] [drm:drm_mode_debug_printmodeline] Modeline "1152x864": 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
- [ 1.930264] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
- [ 1.944063] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
- [ 1.957840] [drm:drm_client_modeset_probe] connector 35 enabled? yes
- [ 2.048010] [drm:drm_client_modeset_probe] Not using firmware configuration
- [ 2.066124] [drm:drm_client_modeset_probe] looking for cmdline mode on connector 35
- [ 2.094843] [drm:drm_client_modeset_probe] looking for preferred mode on connector 35 0
- [ 2.094864] [drm:drm_client_modeset_probe] found mode 1920x1080
- [ 2.094877] [drm:drm_client_modeset_probe] picking CRTCs for 1920x2160 config
- [ 2.094909] [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 ''
- [ 84.473351] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1]
- [ 84.474456] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] status updated from connected to disconnected
- [ 84.475838] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] disconnected
- Connectors:
- id encoder status name size (mm) modes encoders
- 35 34 disconnected HDMI-A-1 0x0 0 34
- props:
- 1 EDID:
- flags: immutable blob
- blobs:
- value:
- 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
- [ 84.497932] [drm:drm_fb_helper_hotplug_event.part.5]
- [ 84.498665] [drm:drm_client_modeset_probe]
- [ 84.499225] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1]
- [ 84.500154] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] disconnected
- [ 84.501202] [drm:drm_client_modeset_probe] No connectors reported connected with modes
- [ 84.502146] [drm:drm_client_modeset_probe] connector 35 enabled? no
- [ 84.502910] [drm:drm_client_modeset_probe] Not using firmware configuration
- [ 84.503745] [drm:drm_client_modeset_probe] picking CRTCs for 1920x2160 config
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