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- [root@f2cda8f3fbd3 /]# ddcutil detect --very-verbose --trcfunc is_phantom_display
- (main ) Starting ddcutil execution, Sat Jan 29 09:15:19 2022
- Extended delay as recovery from DDC Null Response...
- (is_phantom_display ) Starting invalid_dref=Display_Ref[bus /dev/i2c-7 @0x55e0a8e10070], valid_dref=Display_Ref[bus /dev/i2c-10 @0x55e0a8e229f0]
- (is_phantom_display ) Done Returning: false
- (is_phantom_display ) Starting invalid_dref=Display_Ref[bus /dev/i2c-7 @0x55e0a8e10070], valid_dref=Display_Ref[bus /dev/i2c-11 @0x55e0a8e22ad0]
- (is_phantom_display ) Done Returning: false
- (is_phantom_display ) Starting invalid_dref=Display_Ref[bus /dev/i2c-9 @0x55e0a8e10150], valid_dref=Display_Ref[bus /dev/i2c-10 @0x55e0a8e229f0]
- (is_phantom_display ) Done Returning: false
- (is_phantom_display ) Starting invalid_dref=Display_Ref[bus /dev/i2c-9 @0x55e0a8e10150], valid_dref=Display_Ref[bus /dev/i2c-11 @0x55e0a8e22ad0]
- (is_phantom_display ) Done Returning: false
- Invalid display
- I2C bus: /dev/i2c-7
- I2C address 0x50 (EDID) responsive: true
- Is eDP device: true
- Is LVDS device: false
- /sys/bus/i2c/devices/i2c-7/name: AUX A/DDI A/PHY A
- Extended information for /sys/bus/i2c/devices/i2c-7...
- PCI device path: /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-eDP-1/i2c-7
- name: AUX A/DDI A/PHY A
- i2c-dev/i2c-7/dev: 89:7
- i2c-dev/i2c-7/name: AUX A/DDI A/PHY A
- Connector: (null)
- Driver: i915
- DisplayPort only attributes:
- ddc path: (null)
- ddc name: (null)
- ddc i2c-dev/(null)/dev: (null)
- ddc i2c-dev/(null)/name: (null)
- DP Aux channel dev: 241:0
- DP Aux channel name: AUX A/DDI A/PHY A
- EDID synopsis:
- Mfg id: AUO
- Model:
- Product code: 4669
- Serial number:
- Binary serial number: 0 (0x00000000)
- Manufacture year: 2012, Week: 0
- Extra descriptor:
- Video input definition: 0x95 - Digital Input (DisplayPort)
- Supported features:
- Digital display type: RGB 4:4:4
- Standard sRGB color space: False
- White x,y: 0.313, 0.329
- Red x,y: 0.643, 0.336
- Green x,y: 0.313, 0.625
- Blue x,y: 0.151, 0.053
- Extension blocks: 0
- EDID source:
- EDID hex dump:
- +0 +4 +8 +c 0 4 8 c
- +0000 00 ff ff ff ff ff ff 00 06 af 3d 12 00 00 00 00 ..........=.....
- +0010 00 16 01 04 95 1f 11 78 02 84 e5 a4 56 50 a0 26 .......x....VP.&
- +0020 0d 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01 .PT.............
- +0030 01 01 01 01 01 01 14 37 80 b8 70 38 24 40 10 10 .......7..p8$@..
- +0040 3e 00 35 ad 10 00 00 18 b8 24 80 b8 70 38 24 40 >.5......$..p8$@
- +0050 10 10 3e 00 35 ad 10 00 00 18 00 00 00 00 00 00 ..>.5...........
- +0060 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 ................
- +0070 00 11 39 f9 0a 3c 96 11 1e 24 96 20 20 20 00 85 ..9..<...$. ..
- DDC communication failed
- This is an eDP laptop display. Laptop displays do not support DDC/CI.
- Invalid display
- I2C bus: /dev/i2c-9
- I2C address 0x50 (EDID) responsive: true
- Is eDP device: false
- Is LVDS device: false
- /sys/bus/i2c/devices/i2c-9/name: AUX C/DDI C/PHY C
- Extended information for /sys/bus/i2c/devices/i2c-9...
- PCI device path: /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-DP-2/i2c-9
- name: AUX C/DDI C/PHY C
- i2c-dev/i2c-9/dev: 89:9
- i2c-dev/i2c-9/name: AUX C/DDI C/PHY C
- Connector: (null)
- Driver: i915
- DisplayPort only attributes:
- ddc path: (null)
- ddc name: (null)
- ddc i2c-dev/(null)/dev: (null)
- ddc i2c-dev/(null)/name: (null)
- DP Aux channel dev: 241:2
- DP Aux channel name: AUX C/DDI C/PHY C
- EDID synopsis:
- Mfg id: DEL
- Model: DELL U2414H
- Product code: 41123
- Serial number: <hidden>
- Binary serial number: <hidden> (<hidden>)
- Manufacture year: 2015, Week: 47
- Extra descriptor:
- Video input definition: 0xa5 - Digital Input (DisplayPort)
- Supported features:
- DPMS active-off
- Digital display type: RGB 4:4:4
- Standard sRGB color space: False
- White x,y: 0.313, 0.329
- Red x,y: 0.653, 0.335
- Green x,y: 0.323, 0.611
- Blue x,y: 0.153, 0.062
- Extension blocks: 1
- EDID source:
- EDID hex dump:
- +0 +4 +8 +c 0 4 8 c
- +0000 00 ff ff ff ff ff ff 00 10 ac a3 a0 53 4c 38 41 ............SL8A
- +0010 2f 19 01 04 a5 35 1e 78 2a 7e 75 a7 55 52 9c 27 /....5.x*~u.UR.'
- +0020 0f 50 54 a5 4b 00 71 4f 81 80 a9 c0 a9 40 d1 c0 .PT.K.qO.....@..
- +0030 01 01 01 01 01 01 02 3a 80 18 71 38 2d 40 58 2c .......:..q8-@X,
- +0040 45 00 0f 28 21 00 00 1e 00 00 00 ff 00 39 54 47 E..(!........9TG
- +0050 34 36 35 42 48 41 38 4c 53 0a 00 00 00 fc 00 44 465BHA8LS......D
- +0060 45 4c 4c 20 55 32 34 31 34 48 0a 20 00 00 00 fd ELL U2414H. ....
- +0070 00 38 4c 1e 53 11 00 0a 20 20 20 20 20 20 01 d3 .8L.S... ..
- DDC communication failed
- Is DDC/CI enabled in the monitor's on-screen display?
- Display 1
- I2C bus: /dev/i2c-10
- I2C address 0x50 (EDID) responsive: true
- Is eDP device: false
- Is LVDS device: false
- /sys/bus/i2c/devices/i2c-10/name: DPMST
- Extended information for /sys/bus/i2c/devices/i2c-10...
- PCI device path: /sys/devices/pci0000:00/0000:00:02.0/i2c-10
- name: DPMST
- i2c-dev/i2c-10/dev: 89:10
- i2c-dev/i2c-10/name: DPMST
- Connector: (null)
- Driver: i915
- Not a DisplayPort connection
- EDID synopsis:
- Mfg id: DEL
- Model: DELL U2414H
- Product code: 41123
- Serial number: <hidden>
- Binary serial number: <hidden> (<hidden>)
- Manufacture year: 2015, Week: 47
- Extra descriptor:
- Video input definition: 0xa5 - Digital Input (DisplayPort)
- Supported features:
- DPMS active-off
- Digital display type: RGB 4:4:4 + YCrCb 4:2:2
- Standard sRGB color space: True
- White x,y: 0.313, 0.329
- Red x,y: 0.653, 0.335
- Green x,y: 0.323, 0.611
- Blue x,y: 0.153, 0.062
- Extension blocks: 1
- EDID source:
- EDID hex dump:
- +0 +4 +8 +c 0 4 8 c
- +0000 00 ff ff ff ff ff ff 00 10 ac a3 a0 53 4c 38 41 ............SL8A
- +0010 2f 19 01 04 a5 35 1e 78 3e 7e 75 a7 55 52 9c 27 /....5.x>~u.UR.'
- +0020 0f 50 54 a5 4b 00 71 4f 81 80 a9 c0 a9 40 d1 c0 .PT.K.qO.....@..
- +0030 01 01 01 01 01 01 02 3a 80 18 71 38 2d 40 58 2c .......:..q8-@X,
- +0040 45 00 0f 28 21 00 00 1e 00 00 00 ff 00 39 54 47 E..(!........9TG
- +0050 34 36 35 42 48 41 38 4c 53 0a 00 00 00 fc 00 44 465BHA8LS......D
- +0060 45 4c 4c 20 55 32 34 31 34 48 0a 20 00 00 00 fd ELL U2414H. ....
- +0070 00 38 4c 1e 53 11 00 0a 20 20 20 20 20 20 01 bf .8L.S... ..
- VCP version: Detection failed
- Controller mfg: DDC communication failed
- Firmware version: DDC communication failed
- Monitor returns DDC Null Response for unsupported features: true
- Display 2
- I2C bus: /dev/i2c-11
- I2C address 0x50 (EDID) responsive: true
- Is eDP device: false
- Is LVDS device: false
- /sys/bus/i2c/devices/i2c-11/name: DPMST
- Extended information for /sys/bus/i2c/devices/i2c-11...
- PCI device path: /sys/devices/pci0000:00/0000:00:02.0/i2c-11
- name: DPMST
- i2c-dev/i2c-11/dev: 89:11
- i2c-dev/i2c-11/name: DPMST
- Connector: (null)
- Driver: i915
- Not a DisplayPort connection
- EDID synopsis:
- Mfg id: DEL
- Model: DELL U3219Q
- Product code: 41267
- Serial number: <hidden>
- Binary serial number: <hidden> (<hidden>)
- Manufacture year: 2019, Week: 48
- Extra descriptor:
- Video input definition: 0xb5 - Digital Input (DisplayPort)
- Supported features:
- DPMS active-off
- Digital display type: RGB 4:4:4 + YCrCb 4:2:2
- Standard sRGB color space: True
- White x,y: 0.313, 0.329
- Red x,y: 0.640, 0.330
- Green x,y: 0.300, 0.600
- Blue x,y: 0.150, 0.060
- Extension blocks: 1
- EDID source:
- EDID hex dump:
- +0 +4 +8 +c 0 4 8 c
- +0000 00 ff ff ff ff ff ff 00 10 ac 33 a1 4c 56 36 30 ..........3.LV60
- +0010 30 1d 01 04 b5 46 27 78 3e ee 95 a3 54 4c 99 26 0....F'x>...TL.&
- +0020 0f 50 54 a5 4b 00 71 4f 81 80 a9 c0 a9 40 d1 c0 .PT.K.qO.....@..
- +0030 e1 00 d1 00 01 01 4d d0 00 a0 f0 70 3e 80 30 20 ......M....p>.0
- +0040 35 00 b9 88 21 00 00 1a 00 00 00 ff 00 43 48 43 5...!........CHC
- +0050 59 58 56 32 0a 20 20 20 20 20 00 00 00 fc 00 44 YXV2. .....D
- +0060 45 4c 4c 20 55 33 32 31 39 51 0a 20 00 00 00 fd ELL U3219Q. ....
- +0070 00 31 56 0a 89 36 01 0a 20 20 20 20 20 20 01 43 .1V..6.. .C
- VCP version: 2.1
- Controller mfg: RealTek
- Firmware version: 65.7
- Monitor returns DDC Null Response for unsupported features: false
- (main ) ddcutil execution complete, Sat Jan 29 09:15:21 2022
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