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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
- [ 0.306755] rockchip-drm display-subsystem: bound 20050000.vop (ops 0xc0953c1c)
- [ 0.310428] [drm] forcing HDMI-A-1 connector on
- [ 0.310865] [drm:drm_connector_init] cmdline mode for connector HDMI-A-1 0x0@60Hz
- [ 0.311566] rockchip-drm display-subsystem: bound 200a0000.hdmi (ops 0xc09569f8)
- [ 0.312233] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
- [ 0.312822] [drm] No driver support for vblank timestamp query.
- [ 0.313385] [drm:drm_client_modeset_probe]
- [ 0.313781] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1]
- [ 0.369459] [drm:drm_add_display_info] non_desktop set to 0
- [ 0.370004] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] status updated from unknown to connected
- [ 0.370994] [drm:drm_add_edid_modes] ELD: no CEA Extension found
- [ 0.371538] [drm:drm_add_display_info] non_desktop set to 0
- [ 0.372412] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 0 36000 800 824 896 1024 600 601 603 625 0x40 0x5
- [ 0.373363] [drm:drm_mode_prune_invalid] Not using 800x600 mode: CLOCK_RANGE
- [ 0.374003] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 30240 640 704 768 864 480 483 486 525 0x40 0xa
- [ 0.374934] [drm:drm_mode_prune_invalid] Not using 640x480 mode: CLOCK_RANGE
- [ 0.375571] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 25175 640 656 752 800 480 490 492 525 0x40 0xa
- [ 0.376501] [drm:drm_mode_prune_invalid] Not using 640x480 mode: CLOCK_RANGE
- [ 0.377209] [drm:drm_mode_debug_printmodeline] Modeline "720x400": 0 28320 720 738 846 900 400 412 414 449 0x40 0x6
- [ 0.378145] [drm:drm_mode_prune_invalid] Not using 720x400 mode: CLOCK_RANGE
- [ 0.378783] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 0 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
- [ 0.379751] [drm:drm_mode_prune_invalid] Not using 1024x768 mode: CLOCK_RANGE
- [ 0.380401] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] probed modes :
- [ 0.381195] [drm:drm_mode_debug_printmodeline] Modeline "1920x1080": 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
- [ 0.382222] [drm:drm_mode_debug_printmodeline] Modeline "1280x1024": 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
- [ 0.383249] [drm:drm_mode_debug_printmodeline] Modeline "1440x900": 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
- [ 0.384231] [drm:drm_mode_debug_printmodeline] Modeline "1280x800": 60 71000 1280 1328 1360 1440 800 803 809 823 0x40 0x9
- [ 0.385213] [drm:drm_mode_debug_printmodeline] Modeline "1152x864": 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
- [ 0.386201] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
- [ 0.387209] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
- [ 0.388160] [drm:drm_client_modeset_probe] connector 35 enabled? yes
- [ 0.388741] [drm:drm_client_modeset_probe] Not using firmware configuration
- [ 0.389370] [drm:drm_client_modeset_probe] looking for cmdline mode on connector 35
- [ 0.390059] [drm:drm_client_modeset_probe] looking for preferred mode on connector 35 0
- [ 0.390776] [drm:drm_client_modeset_probe] found mode 1920x1080
- [ 0.391309] [drm:drm_client_modeset_probe] picking CRTCs for 4096x4096 config
- [ 0.391953] [drm:drm_client_modeset_probe] desired mode 1920x1080 set on crtc 33 (0,0)
- [ 0.428636] [drm:rockchip_drm_fbdev_create] FB [1920x2160]-24 kvaddr=(ptrval) offset=0 size=16588800
- [ 0.555747] rockchip-drm display-subsystem: fb0: rockchipdrmfb frame buffer device
- [ 0.558115] [drm] Initialized rockchip 1.0.0 20140818 for display-subsystem on minor 0
- [ 0.571372] [drm] Initialized lima 1.0.0 20190217 for 20000000.gpu on minor 1
- [ 1.644413] [drm:drm_fb_helper_hotplug_event.part.5]
- [ 1.655061] [drm:drm_client_modeset_probe]
- [ 1.665556] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1]
- [ 1.742772] [drm:drm_add_display_info] non_desktop set to 0
- [ 1.755194] [drm:drm_add_edid_modes] ELD: no CEA Extension found
- [ 1.777564] [drm:drm_add_display_info] non_desktop set to 0
- [ 1.800502] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 0 36000 800 824 896 1024 600 601 603 625 0x40 0x5
- [ 1.823004] [drm:drm_mode_prune_invalid] Not using 800x600 mode: CLOCK_RANGE
- [ 1.823035] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 30240 640 704 768 864 480 483 486 525 0x40 0xa
- [ 1.846383] [drm:drm_mode_prune_invalid] Not using 640x480 mode: CLOCK_RANGE
- [ 1.870470] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 25175 640 656 752 800 480 490 492 525 0x40 0xa
- [ 1.894398] [drm:drm_mode_prune_invalid] Not using 640x480 mode: CLOCK_RANGE
- [ 1.894423] [drm:drm_mode_debug_printmodeline] Modeline "720x400": 0 28320 720 738 846 900 400 412 414 449 0x40 0x6
- [ 1.919263] [drm:drm_mode_prune_invalid] Not using 720x400 mode: CLOCK_RANGE
- [ 1.944806] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 0 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
- [ 1.944821] [drm:drm_mode_prune_invalid] Not using 1024x768 mode: CLOCK_RANGE
- [ 1.944868] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] probed modes :
- [ 2.001565] [drm:drm_mode_debug_printmodeline] Modeline "1920x1080": 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
- [ 2.001583] [drm:drm_mode_debug_printmodeline] Modeline "1280x1024": 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
- [ 2.001614] [drm:drm_mode_debug_printmodeline] Modeline "1440x900": 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
- [ 2.070201] [drm:drm_mode_debug_printmodeline] Modeline "1280x800": 60 71000 1280 1328 1360 1440 800 803 809 823 0x40 0x9
- [ 2.070223] [drm:drm_mode_debug_printmodeline] Modeline "1152x864": 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
- [ 2.098557] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
- [ 2.098576] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
- [ 2.128091] [drm:drm_client_modeset_probe] connector 35 enabled? yes
- [ 2.147883] [drm:drm_client_modeset_probe] Not using firmware configuration
- [ 2.172238] [drm:drm_client_modeset_probe] looking for cmdline mode on connector 35
- [ 2.201525] [drm:drm_client_modeset_probe] looking for preferred mode on connector 35 0
- [ 2.201549] [drm:drm_client_modeset_probe] found mode 1920x1080
- [ 2.230692] [drm:drm_client_modeset_probe] picking CRTCs for 1920x2160 config
- [ 2.261309] [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 ''
- [ 87.526577] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1]
- [ 88.076951] [drm:drm_mode_debug_printmodeline] Modeline "1920x1080": 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
- [ 88.078407] [drm:drm_mode_prune_invalid] Not using 1920x1080 mode: STALE
- [ 88.079231] [drm:drm_mode_debug_printmodeline] Modeline "1280x1024": 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
- [ 88.080600] [drm:drm_mode_prune_invalid] Not using 1280x1024 mode: STALE
- [ 88.081433] [drm:drm_mode_debug_printmodeline] Modeline "1440x900": 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
- [ 88.082730] [drm:drm_mode_prune_invalid] Not using 1440x900 mode: STALE
- [ 88.083528] [drm:drm_mode_debug_printmodeline] Modeline "1280x800": 60 71000 1280 1328 1360 1440 800 803 809 823 0x40 0x9
- [ 88.084823] [drm:drm_mode_prune_invalid] Not using 1280x800 mode: STALE
- [ 88.085621] [drm:drm_mode_debug_printmodeline] Modeline "1152x864": 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
- [ 88.087044] [drm:drm_mode_prune_invalid] Not using 1152x864 mode: STALE
- [ 88.087902] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 25175 640 656 752 800 480 490 492 525 0x40 0xa
- [ 88.089156] [drm:drm_mode_prune_invalid] Not using 640x480 mode: CLOCK_RANGE
- [ 88.090023] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 0 36000 800 824 896 1024 600 601 603 625 0x40 0x5
- [ 88.091269] [drm:drm_mode_prune_invalid] Not using 800x600 mode: CLOCK_RANGE
- [ 88.092122] [drm:drm_mode_debug_printmodeline] Modeline "848x480": 0 33750 848 864 976 1088 480 486 494 517 0x40 0x5
- [ 88.093367] [drm:drm_mode_prune_invalid] Not using 848x480 mode: CLOCK_RANGE
- [ 88.094231] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] probed modes :
- [ 88.095283] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
- [ 88.096591] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
- Connectors:
- id encoder status name size (mm) modes encoders
- 35 34 connected HDMI-A-1 0x0 2 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
- 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
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