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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
- [ 0.305845] rockchip-drm display-subsystem: bound 20050000.vop (ops 0xc0953c1c)
- [ 0.309597] [drm] forcing HDMI-A-1 connector on
- [ 0.310036] [drm:drm_connector_init] cmdline mode for connector HDMI-A-1 0x0@60Hz
- [ 0.310738] rockchip-drm display-subsystem: bound 200a0000.hdmi (ops 0xc09569f8)
- [ 0.311405] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
- [ 0.311996] [drm] No driver support for vblank timestamp query.
- [ 0.312561] [drm:drm_client_modeset_probe]
- [ 0.312956] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1]
- [ 0.313641] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] status updated from unknown to connected
- [ 0.369595] [drm:drm_add_display_info] non_desktop set to 0
- [ 0.370129] [drm:drm_add_edid_modes] ELD: no CEA Extension found
- [ 0.370674] [drm:drm_add_display_info] non_desktop set to 0
- [ 0.371558] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 0 36000 800 824 896 1024 600 601 603 625 0x40 0x5
- [ 0.372509] [drm:drm_mode_prune_invalid] Not using 800x600 mode: CLOCK_RANGE
- [ 0.373148] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 30240 640 704 768 864 480 483 486 525 0x40 0xa
- [ 0.374078] [drm:drm_mode_prune_invalid] Not using 640x480 mode: CLOCK_RANGE
- [ 0.374717] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 25175 640 656 752 800 480 490 492 525 0x40 0xa
- [ 0.375648] [drm:drm_mode_prune_invalid] Not using 640x480 mode: CLOCK_RANGE
- [ 0.376284] [drm:drm_mode_debug_printmodeline] Modeline "720x400": 0 28320 720 738 846 900 400 412 414 449 0x40 0x6
- [ 0.377296] [drm:drm_mode_prune_invalid] Not using 720x400 mode: CLOCK_RANGE
- [ 0.377940] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 0 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
- [ 0.378909] [drm:drm_mode_prune_invalid] Not using 1024x768 mode: CLOCK_RANGE
- [ 0.379561] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] probed modes :
- [ 0.380355] [drm:drm_mode_debug_printmodeline] Modeline "1920x1080": 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
- [ 0.381383] [drm:drm_mode_debug_printmodeline] Modeline "1280x1024": 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
- [ 0.382409] [drm:drm_mode_debug_printmodeline] Modeline "1440x900": 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
- [ 0.383390] [drm:drm_mode_debug_printmodeline] Modeline "1280x800": 60 71000 1280 1328 1360 1440 800 803 809 823 0x40 0x9
- [ 0.384371] [drm:drm_mode_debug_printmodeline] Modeline "1152x864": 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
- [ 0.385360] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
- [ 0.386342] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
- [ 0.387319] [drm:drm_client_modeset_probe] connector 35 enabled? yes
- [ 0.387902] [drm:drm_client_modeset_probe] Not using firmware configuration
- [ 0.388530] [drm:drm_client_modeset_probe] looking for cmdline mode on connector 35
- [ 0.389219] [drm:drm_client_modeset_probe] looking for preferred mode on connector 35 0
- [ 0.389936] [drm:drm_client_modeset_probe] found mode 1920x1080
- [ 0.390469] [drm:drm_client_modeset_probe] picking CRTCs for 4096x4096 config
- [ 0.391114] [drm:drm_client_modeset_probe] desired mode 1920x1080 set on crtc 33 (0,0)
- [ 0.427814] [drm:rockchip_drm_fbdev_create] FB [1920x2160]-24 kvaddr=(ptrval) offset=0 size=16588800
- [ 0.554928] rockchip-drm display-subsystem: fb0: rockchipdrmfb frame buffer device
- [ 0.557379] [drm] Initialized rockchip 1.0.0 20140818 for display-subsystem on minor 0
- [ 0.570681] [drm] Initialized lima 1.0.0 20190217 for 20000000.gpu on minor 1
- [ 1.616978] [drm:drm_fb_helper_hotplug_event.part.5]
- [ 1.634167] [drm:drm_client_modeset_probe]
- [ 1.644736] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1]
- [ 1.737679] [drm:drm_add_display_info] non_desktop set to 0
- [ 1.752420] [drm:drm_add_edid_modes] ELD: no CEA Extension found
- [ 1.774121] [drm:drm_add_display_info] non_desktop set to 0
- [ 1.796684] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 0 36000 800 824 896 1024 600 601 603 625 0x40 0x5
- [ 1.818932] [drm:drm_mode_prune_invalid] Not using 800x600 mode: CLOCK_RANGE
- [ 1.818957] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 30240 640 704 768 864 480 483 486 525 0x40 0xa
- [ 1.841819] [drm:drm_mode_prune_invalid] Not using 640x480 mode: CLOCK_RANGE
- [ 1.841842] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 25175 640 656 752 800 480 490 492 525 0x40 0xa
- [ 1.865513] [drm:drm_mode_prune_invalid] Not using 640x480 mode: CLOCK_RANGE
- [ 1.890048] [drm:drm_mode_debug_printmodeline] Modeline "720x400": 0 28320 720 738 846 900 400 412 414 449 0x40 0x6
- [ 1.890067] [drm:drm_mode_prune_invalid] Not using 720x400 mode: CLOCK_RANGE
- [ 1.944487] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 0 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
- [ 1.944518] [drm:drm_mode_prune_invalid] Not using 1024x768 mode: CLOCK_RANGE
- [ 1.996549] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] probed modes :
- [ 2.010088] [drm:drm_mode_debug_printmodeline] Modeline "1920x1080": 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
- [ 2.010115] [drm:drm_mode_debug_printmodeline] Modeline "1280x1024": 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
- [ 2.036959] [drm:drm_mode_debug_printmodeline] Modeline "1440x900": 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
- [ 2.036974] [drm:drm_mode_debug_printmodeline] Modeline "1280x800": 60 71000 1280 1328 1360 1440 800 803 809 823 0x40 0x9
- [ 2.036988] [drm:drm_mode_debug_printmodeline] Modeline "1152x864": 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
- [ 2.037003] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
- [ 2.037024] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
- [ 2.064124] [drm:drm_client_modeset_probe] connector 35 enabled? yes
- [ 2.113768] [drm:drm_client_modeset_probe] Not using firmware configuration
- [ 2.136239] [drm:drm_client_modeset_probe] looking for cmdline mode on connector 35
- [ 2.164994] [drm:drm_client_modeset_probe] looking for preferred mode on connector 35 0
- [ 2.165017] [drm:drm_client_modeset_probe] found mode 1920x1080
- [ 2.193592] [drm:drm_client_modeset_probe] picking CRTCs for 1920x2160 config
- [ 2.193634] [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 ''
- [ 145.928186] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1]
- [ 146.477026] [drm:drm_mode_debug_printmodeline] Modeline "1920x1080": 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x48 0x5
- [ 146.478469] [drm:drm_mode_prune_invalid] Not using 1920x1080 mode: STALE
- [ 146.479294] [drm:drm_mode_debug_printmodeline] Modeline "1280x1024": 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
- [ 146.480644] [drm:drm_mode_prune_invalid] Not using 1280x1024 mode: STALE
- [ 146.481461] [drm:drm_mode_debug_printmodeline] Modeline "1440x900": 60 88750 1440 1488 1520 1600 900 903 909 926 0x40 0x9
- [ 146.482758] [drm:drm_mode_prune_invalid] Not using 1440x900 mode: STALE
- [ 146.483558] [drm:drm_mode_debug_printmodeline] Modeline "1280x800": 60 71000 1280 1328 1360 1440 800 803 809 823 0x40 0x9
- [ 146.484855] [drm:drm_mode_prune_invalid] Not using 1280x800 mode: STALE
- [ 146.485653] [drm:drm_mode_debug_printmodeline] Modeline "1152x864": 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
- [ 146.487049] [drm:drm_mode_prune_invalid] Not using 1152x864 mode: STALE
- [ 146.487909] [drm:drm_mode_debug_printmodeline] Modeline "640x480": 0 25175 640 656 752 800 480 490 492 525 0x40 0xa
- [ 146.489162] [drm:drm_mode_prune_invalid] Not using 640x480 mode: CLOCK_RANGE
- [ 146.490023] [drm:drm_mode_debug_printmodeline] Modeline "800x600": 0 36000 800 824 896 1024 600 601 603 625 0x40 0x5
- [ 146.491271] [drm:drm_mode_prune_invalid] Not using 800x600 mode: CLOCK_RANGE
- [ 146.492121] [drm:drm_mode_debug_printmodeline] Modeline "848x480": 0 33750 848 864 976 1088 480 486 494 517 0x40 0x5
- [ 146.493370] [drm:drm_mode_prune_invalid] Not using 848x480 mode: CLOCK_RANGE
- [ 146.494235] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:35:HDMI-A-1] probed modes :
- [ 146.495291] [drm:drm_mode_debug_printmodeline] Modeline "1024x768": 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
- [ 146.496591] [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 600x340 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:
- 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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