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#1 2024-06-11 12:48:59

43615
Member
Registered: 2022-01-19
Posts: 39

Text console on AMDGPU: Select which monitor to use?

The normal text console is currently displayed on all monitors, using the smallest resolution for all of them. Is there a way to change that to only use my main monitor?

The motherboard firmware and GRUB menu are displayed correctly (only on the main monitor). I believe that UEFI GOP graphics are used up until the handoff to Linux. After the "Triggering uevents..." message, the screen briefly flickers and my secondaries activate, which then keep redundantly displaying the same content. This persists if I stay in the console.

Is there some kernel or driver parameter that controls this behavior?

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#2 2024-06-11 13:07:38

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 22,093

Re: Text console on AMDGPU: Select which monitor to use?

https://raw.githubusercontent.com/torva … modedb.rst

see the video= kernel parameter options and the "d" flag to disable undesired monitors.

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#3 2024-06-11 13:24:51

43615
Member
Registered: 2022-01-19
Posts: 39

Re: Text console on AMDGPU: Select which monitor to use?

I've just tried "video=HDMI-A-1:d video=DP-2:d", which has the desired effect in text mode but also completely disables those monitors system-wide. Is there a different way?

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#4 2024-06-11 14:12:09

seth
Member
Registered: 2012-09-03
Posts: 53,138

Re: Text console on AMDGPU: Select which monitor to use?

but also completely disables those monitors system-wide

Sure? What does "system-wide" mean?

for OUT in /sys/class/drm/card*; do echo $OUT; edid-decode $OUT/edid; echo "================="; done

You'll need https://aur.archlinux.org/packages/edid-decode-git

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#5 2024-06-11 16:09:44

43615
Member
Registered: 2022-01-19
Posts: 39

Re: Text console on AMDGPU: Select which monitor to use?

They don't work and don't show up in the KDE settings or with inxi -aG or xrandr. Maybe Wayland tacitly adopts the settings from text mode?

Before, without the video parameters:

/sys/class/drm/card1
/sys/class/drm/card1/edid: No such file or directory
=================
/sys/class/drm/card1-DP-1
edid-decode (hex):

00 ff ff ff ff ff ff 00 04 72 1c 07 d7 d9 41 04
2c 1e 01 04 b5 3c 22 78 3b 3a d5 ae 4e 43 aa 26
0b 50 54 23 48 00 81 40 81 80 81 c0 81 00 95 00
b3 00 d1 c0 01 01 4d d0 00 a0 f0 70 3e 80 30 20
35 00 55 50 21 00 00 1a b4 66 00 a0 f0 70 1f 80
08 20 18 04 55 50 21 00 00 1a 00 00 00 fd 0c 30
90 ff ff 6b 01 0a 20 20 20 20 20 20 00 00 00 fc
00 58 42 32 37 33 4b 20 47 50 0a 20 20 20 02 12

02 03 43 f1 51 01 03 04 12 13 05 14 1f 90 07 02
5d 5e 5f 60 61 3f 23 09 07 07 83 01 00 00 e2 00
c0 6d 03 0c 00 10 00 38 78 20 00 60 01 02 03 68
1a 00 00 01 01 30 90 00 e3 05 e3 01 e6 06 07 01
61 56 1c 07 82 80 54 70 38 4d 40 08 20 f8 0c 56
50 21 00 00 1a 40 e7 00 6a a0 a0 6a 50 08 20 98
04 55 50 21 00 00 1a 6f c2 00 a0 a0 a0 55 50 30
20 35 00 55 50 21 00 00 1e 00 00 00 00 00 00 78

70 12 79 00 00 03 01 28 9a a0 01 84 ff 0e a0 00
2f 80 21 00 6f 08 3e 00 03 00 05 00 e0 f6 00 04
7f 07 59 00 2f 80 1f 00 6f 08 19 00 01 00 03 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 35 90

----------------

Block 0, Base EDID:
  EDID Structure Version & Revision: 1.4
  Vendor & Product Identification:
    Manufacturer: ACR
    Model: 1820
    Serial Number: 71424471 (0x0441d9d7)
    Made in: week 44 of 2020
  Basic Display Parameters & Features:
    Digital display
    Bits per primary color channel: 10
    DisplayPort interface
    Maximum image size: 60 cm x 34 cm
    Gamma: 2.20
    DPMS levels: Off
    Supported color formats: RGB 4:4:4, YCrCb 4:4:4, YCrCb 4:2:2
    First detailed timing includes the native pixel format and preferred refresh rate
    Display supports continuous frequencies
  Color Characteristics:
    Red  : 0.6796, 0.3076
    Green: 0.2636, 0.6660
    Blue : 0.1513, 0.0439
    White: 0.3134, 0.3291
  Established Timings I & II:
    DMT 0x04:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    DMT 0x08:   800x600    56.250000 Hz   4:3     35.156 kHz     36.000000 MHz
    DMT 0x09:   800x600    60.316541 Hz   4:3     37.879 kHz     40.000000 MHz
    DMT 0x0b:   800x600    75.000000 Hz   4:3     46.875 kHz     49.500000 MHz
    DMT 0x10:  1024x768    60.003840 Hz   4:3     48.363 kHz     65.000000 MHz
  Standard Timings:
    DMT 0x20:  1280x960    60.000000 Hz   4:3     60.000 kHz    108.000000 MHz
    DMT 0x23:  1280x1024   60.019740 Hz   5:4     63.981 kHz    108.000000 MHz
    DMT 0x55:  1280x720    60.000000 Hz  16:9     45.000 kHz     74.250000 MHz
    DMT 0x1c:  1280x800    59.810326 Hz  16:10    49.702 kHz     83.500000 MHz
    DMT 0x2f:  1440x900    59.887445 Hz  16:10    55.935 kHz    106.500000 MHz
    DMT 0x3a:  1680x1050   59.954250 Hz  16:10    65.290 kHz    146.250000 MHz
    DMT 0x52:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz
  Detailed Timing Descriptors:
    DTD 1:  3840x2160   59.996625 Hz  16:9    133.312 kHz    533.250000 MHz (597 mm x 336 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   54 Vpol N
    DTD 2:  3840x2160   30.000000 Hz  16:9     65.730 kHz    262.920000 MHz (597 mm x 336 mm)
                 Hfront    8 Hsync  32 Hback  120 Hpol P
                 Vfront   17 Vsync   8 Vback    6 Vpol N
    Display Range Limits:
      Monitor ranges (Range Limits Only): 48-144 Hz V, 510-510 kHz H, max dotclock 1070 MHz
    Display Product Name: 'XB273K GP'
  Extension blocks: 2
Checksum: 0x12

----------------

Block 1, CTA-861 Extension Block:
  Revision: 3
  Underscans IT Video Formats by default
  Basic audio support
  Supports YCbCr 4:4:4
  Supports YCbCr 4:2:2
  Native detailed modes: 1
  Video Data Block:
    VIC   1:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    VIC   3:   720x480    59.940060 Hz  16:9     31.469 kHz     27.000000 MHz
    VIC   4:  1280x720    60.000000 Hz  16:9     45.000 kHz     74.250000 MHz
    VIC  18:   720x576    50.000000 Hz  16:9     31.250 kHz     27.000000 MHz
    VIC  19:  1280x720    50.000000 Hz  16:9     37.500 kHz     74.250000 MHz
    VIC   5:  1920x1080i  60.000000 Hz  16:9     33.750 kHz     74.250000 MHz
    VIC  20:  1920x1080i  50.000000 Hz  16:9     28.125 kHz     74.250000 MHz
    VIC  31:  1920x1080   50.000000 Hz  16:9     56.250 kHz    148.500000 MHz
    VIC  16:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz (native)
    VIC   7:  1440x480i   59.940060 Hz  16:9     15.734 kHz     27.000000 MHz
    VIC   2:   720x480    59.940060 Hz   4:3     31.469 kHz     27.000000 MHz
    VIC  93:  3840x2160   24.000000 Hz  16:9     54.000 kHz    297.000000 MHz
    VIC  94:  3840x2160   25.000000 Hz  16:9     56.250 kHz    297.000000 MHz
    VIC  95:  3840x2160   30.000000 Hz  16:9     67.500 kHz    297.000000 MHz
    VIC  96:  3840x2160   50.000000 Hz  16:9    112.500 kHz    594.000000 MHz
    VIC  97:  3840x2160   60.000000 Hz  16:9    135.000 kHz    594.000000 MHz
    VIC  63:  1920x1080  120.000000 Hz  16:9    135.000 kHz    297.000000 MHz
  Audio Data Block:
    Linear PCM:
      Max channels: 2
      Supported sample rates (kHz): 48 44.1 32
      Supported sample sizes (bits): 24 20 16
  Speaker Allocation Data Block:
    FL/FR - Front Left/Right
  Video Capability Data Block:
    YCbCr quantization: Selectable (via AVI YQ)
    RGB quantization: Selectable (via AVI Q)
    PT scan behavior: No Data
    IT scan behavior: IT video formats not supported
    CE scan behavior: CE video formats not supported
  Vendor-Specific Data Block (HDMI), OUI 00-0C-03:
    Source physical address: 1.0.0.0
    DC_36bit
    DC_30bit
    DC_Y444
    Maximum TMDS clock: 600 MHz
    Extended HDMI video details:
      HDMI VICs:
        HDMI VIC 1:  3840x2160   30.000000 Hz  16:9     67.500 kHz    297.000000 MHz
        HDMI VIC 2:  3840x2160   25.000000 Hz  16:9     56.250 kHz    297.000000 MHz
        HDMI VIC 3:  3840x2160   24.000000 Hz  16:9     54.000 kHz    297.000000 MHz
  Vendor-Specific Data Block (AMD), OUI 00-00-1A:
    Version: 1.1
    Minimum Refresh Rate: 48 Hz
    Maximum Refresh Rate: 144 Hz
    Flags 1.x: 0x00
  Colorimetry Data Block:
    xvYCC601
    xvYCC709
    BT2020cYCC
    BT2020YCC
    BT2020RGB
    Gamut Boundary Description Metadata Profile P0
  HDR Static Metadata Data Block:
    Electro optical transfer functions:
      Traditional gamma - SDR luminance range
      Traditional gamma - HDR luminance range
      SMPTE ST2084
    Supported static metadata descriptors:
      Static metadata type 1
    Desired content max luminance: 97 (408.759 cd/m^2)
    Desired content max frame-average luminance: 86 (322.098 cd/m^2)
    Desired content min luminance: 28 (0.049 cd/m^2)
  Detailed Timing Descriptors:
    DTD 3:  1920x1080  143.563349 Hz  16:9    166.103 kHz    332.870000 MHz (598 mm x 336 mm)
                 Hfront    8 Hsync  32 Hback   44 Hpol P
                 Vfront   63 Vsync   8 Vback    6 Vpol N
    DTD 4:  2560x1440  143.632286 Hz  16:9    222.056 kHz    592.000000 MHz (597 mm x 336 mm)
                 Hfront    8 Hsync  32 Hback   66 Hpol P
                 Vfront   25 Vsync   8 Vback   73 Vpol N
    DTD 5:  2560x1440  119.997589 Hz  16:9    182.996 kHz    497.750000 MHz (597 mm x 336 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   77 Vpol P
Checksum: 0x78  Unused space in Extension Block: 6 bytes

----------------

Block 2, DisplayID Extension Block:
  Version: 1.2
  Extension Count: 0
  Display Product Type: Extension Section
  Video Timing Modes Type 1 - Detailed Timings Data Block:
    DTD:  3840x2160  119.910418 Hz  16:9    266.561 kHz   1066.510000 MHz (aspect 16:9, no 3D stereo, preferred)
               Hfront   48 Hsync  34 Hback   79 Hpol P
               Vfront    4 Vsync   6 Vback   53 Vpol N
    DTD:  1920x2160  143.839358 Hz  16:9    314.433 kHz    632.010000 MHz (aspect 16:9, no 3D stereo)
               Hfront   48 Hsync  32 Hback   10 Hpol P
               Vfront    2 Vsync   4 Vback   20 Vpol N
  Checksum: 0x35
Checksum: 0x90
=================
/sys/class/drm/card1-DP-2
edid-decode (hex):

00 ff ff ff ff ff ff 00 1a b3 94 08 08 7a 00 00
11 20 01 04 a5 35 1e 78 3a 05 65 a7 56 52 9c 27
0f 50 54 a5 4b 00 d1 c0 b3 00 95 00 81 80 a9 c0
81 c0 01 01 01 01 02 3a 80 18 71 38 2d 40 58 2c
45 00 0f 28 21 00 00 1e 00 00 00 fd 00 30 4c 1e
52 11 00 0a 20 20 20 20 20 20 00 00 00 fc 00 45
32 34 2d 38 20 54 53 20 50 72 6f 0a 00 00 00 ff
00 59 56 48 56 30 33 31 32 34 30 0a 20 20 01 b8

02 03 1c 71 4f 90 1f 05 14 04 03 12 01 02 11 13
07 15 16 06 23 09 07 07 83 01 00 00 02 3a 80 18
71 38 2d 40 58 2c 45 00 0f 28 21 00 00 1e 02 3a
80 d0 72 38 2d 40 10 2c 96 80 0f 28 21 00 00 18
01 1d 00 72 51 d0 1e 20 6e 28 55 00 0f 28 21 00
00 1e 01 1d 00 bc 52 d0 1e 20 b8 28 55 40 0f 28
21 00 00 1e 8c 0a d0 90 20 40 31 20 0c 40 55 00
0f 28 21 00 00 18 00 00 00 00 00 00 00 00 00 66

----------------

Block 0, Base EDID:
  EDID Structure Version & Revision: 1.4
  Vendor & Product Identification:
    Manufacturer: FUS
    Model: 2196
    Serial Number: 31240 (0x00007a08)
    Made in: week 17 of 2022
  Basic Display Parameters & Features:
    Digital display
    Bits per primary color channel: 8
    DisplayPort interface
    Maximum image size: 53 cm x 30 cm
    Gamma: 2.20
    DPMS levels: Off
    Supported color formats: RGB 4:4:4, YCrCb 4:4:4, YCrCb 4:2:2
    First detailed timing includes the native pixel format and preferred refresh rate
  Color Characteristics:
    Red  : 0.6523, 0.3359
    Green: 0.3212, 0.6103
    Blue : 0.1533, 0.0605
    White: 0.3134, 0.3291
  Established Timings I & II:
    IBM     :   720x400    70.081663 Hz   9:5     31.467 kHz     28.320000 MHz
    DMT 0x04:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    DMT 0x06:   640x480    75.000000 Hz   4:3     37.500 kHz     31.500000 MHz
    DMT 0x09:   800x600    60.316541 Hz   4:3     37.879 kHz     40.000000 MHz
    DMT 0x0b:   800x600    75.000000 Hz   4:3     46.875 kHz     49.500000 MHz
    DMT 0x10:  1024x768    60.003840 Hz   4:3     48.363 kHz     65.000000 MHz
    DMT 0x12:  1024x768    75.028582 Hz   4:3     60.023 kHz     78.750000 MHz
    DMT 0x24:  1280x1024   75.024675 Hz   5:4     79.976 kHz    135.000000 MHz
  Standard Timings:
    DMT 0x52:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz
    DMT 0x3a:  1680x1050   59.954250 Hz  16:10    65.290 kHz    146.250000 MHz
    DMT 0x2f:  1440x900    59.887445 Hz  16:10    55.935 kHz    106.500000 MHz
    DMT 0x23:  1280x1024   60.019740 Hz   5:4     63.981 kHz    108.000000 MHz
    DMT 0x53:  1600x900    60.000000 Hz  16:9     60.000 kHz    108.000000 MHz (RB)
    DMT 0x55:  1280x720    60.000000 Hz  16:9     45.000 kHz     74.250000 MHz
  Detailed Timing Descriptors:
    DTD 1:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz (527 mm x 296 mm)
                 Hfront   88 Hsync  44 Hback  148 Hpol P
                 Vfront    4 Vsync   5 Vback   36 Vpol P
    Display Range Limits:
      Monitor ranges (GTF): 48-76 Hz V, 30-82 kHz H, max dotclock 170 MHz
    Display Product Name: 'E24-8 TS Pro'
    Display Product Serial Number: 'YVHV031240'
  Extension blocks: 1
Checksum: 0xb8

----------------

Block 1, CTA-861 Extension Block:
  Revision: 3
  Basic audio support
  Supports YCbCr 4:4:4
  Supports YCbCr 4:2:2
  Native detailed modes: 1
  Video Data Block:
    VIC  16:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz (native)
    VIC  31:  1920x1080   50.000000 Hz  16:9     56.250 kHz    148.500000 MHz
    VIC   5:  1920x1080i  60.000000 Hz  16:9     33.750 kHz     74.250000 MHz
    VIC  20:  1920x1080i  50.000000 Hz  16:9     28.125 kHz     74.250000 MHz
    VIC   4:  1280x720    60.000000 Hz  16:9     45.000 kHz     74.250000 MHz
    VIC   3:   720x480    59.940060 Hz  16:9     31.469 kHz     27.000000 MHz
    VIC  18:   720x576    50.000000 Hz  16:9     31.250 kHz     27.000000 MHz
    VIC   1:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    VIC   2:   720x480    59.940060 Hz   4:3     31.469 kHz     27.000000 MHz
    VIC  17:   720x576    50.000000 Hz   4:3     31.250 kHz     27.000000 MHz
    VIC  19:  1280x720    50.000000 Hz  16:9     37.500 kHz     74.250000 MHz
    VIC   7:  1440x480i   59.940060 Hz  16:9     15.734 kHz     27.000000 MHz
    VIC  21:  1440x576i   50.000000 Hz   4:3     15.625 kHz     27.000000 MHz
    VIC  22:  1440x576i   50.000000 Hz  16:9     15.625 kHz     27.000000 MHz
    VIC   6:  1440x480i   59.940060 Hz   4:3     15.734 kHz     27.000000 MHz
  Audio Data Block:
    Linear PCM:
      Max channels: 2
      Supported sample rates (kHz): 48 44.1 32
      Supported sample sizes (bits): 24 20 16
  Speaker Allocation Data Block:
    FL/FR - Front Left/Right
  Detailed Timing Descriptors:
    DTD 2:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz (527 mm x 296 mm)
                 Hfront   88 Hsync  44 Hback  148 Hpol P
                 Vfront    4 Vsync   5 Vback   36 Vpol P
    DTD 3:  1920x1080   50.000000 Hz  16:9     56.250 kHz    148.500000 MHz (527 mm x 296 mm)
                 Hfront  528 Hsync  44 Hback  148 Hpol N
                 Vfront    9 Vsync   6 Vback   30 Vpol N
    DTD 4:  1280x720    60.000000 Hz  16:9     45.000 kHz     74.250000 MHz (527 mm x 296 mm)
                 Hfront  110 Hsync  40 Hback  220 Hpol P
                 Vfront    5 Vsync   5 Vback   20 Vpol P
    DTD 5:  1280x720    50.000000 Hz  16:9     37.500 kHz     74.250000 MHz (527 mm x 296 mm)
                 Hfront  440 Hsync  40 Hback  220 Hpol P
                 Vfront    5 Vsync   5 Vback   20 Vpol P
    DTD 6:   720x576    50.000000 Hz   5:4     31.250 kHz     27.000000 MHz (527 mm x 296 mm)
                 Hfront   12 Hsync  64 Hback   68 Hpol N
                 Vfront    5 Vsync   5 Vback   39 Vpol N
Checksum: 0x66  Unused space in Extension Block: 9 bytes
=================
/sys/class/drm/card1-HDMI-A-1
edid-decode (hex):

00 ff ff ff ff ff ff 00 04 69 98 24 01 01 01 01
0e 1c 01 03 80 35 1e 78 ea 92 65 a6 55 55 9f 28
0d 50 54 bf ef 00 71 4f 81 80 81 40 95 00 a9 40
b3 00 d1 c0 01 01 02 3a 80 18 71 38 2d 40 58 2c
45 00 13 2b 21 00 00 1e 00 00 00 fd 00 32 4c 1e
53 11 00 0a 20 20 20 20 20 20 00 00 00 fc 00 56
53 32 34 38 0a 20 20 20 20 20 20 20 00 00 00 ff
00 4a 34 4c 4d 51 53 30 30 34 33 34 33 0a 01 ac

02 03 1e f1 4b 90 05 04 03 02 01 11 12 13 14 1f
23 09 07 07 83 01 00 00 65 03 0c 00 10 00 1a 36
80 a0 70 38 1e 40 30 20 35 00 13 2b 21 00 00 1a
66 21 56 aa 51 00 1e 30 46 8f 33 00 13 2b 21 00
00 1e 01 1d 00 72 51 d0 1e 20 6e 28 55 00 13 2b
21 00 00 1e 8c 0a d0 8a 20 e0 2d 10 10 3e 96 00
13 2b 21 00 00 18 01 1d 80 18 71 1c 16 20 58 2c
25 00 13 2b 21 00 00 9f 00 00 00 00 00 00 00 39

----------------

Block 0, Base EDID:
  EDID Structure Version & Revision: 1.3
  Vendor & Product Identification:
    Manufacturer: ACI
    Model: 9368
    Serial Number: 16843009 (0x01010101)
    Made in: week 14 of 2018
  Basic Display Parameters & Features:
    Digital display
    Maximum image size: 53 cm x 30 cm
    Gamma: 2.20
    DPMS levels: Standby Suspend Off
    RGB color display
    First detailed timing is the preferred timing
  Color Characteristics:
    Red  : 0.6503, 0.3330
    Green: 0.3320, 0.6230
    Blue : 0.1572, 0.0527
    White: 0.3134, 0.3291
  Established Timings I & II:
    IBM     :   720x400    70.081663 Hz   9:5     31.467 kHz     28.320000 MHz
    DMT 0x04:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    Apple   :   640x480    66.666667 Hz   4:3     35.000 kHz     30.240000 MHz
    DMT 0x05:   640x480    72.808802 Hz   4:3     37.861 kHz     31.500000 MHz
    DMT 0x06:   640x480    75.000000 Hz   4:3     37.500 kHz     31.500000 MHz
    DMT 0x08:   800x600    56.250000 Hz   4:3     35.156 kHz     36.000000 MHz
    DMT 0x09:   800x600    60.316541 Hz   4:3     37.879 kHz     40.000000 MHz
    DMT 0x0a:   800x600    72.187572 Hz   4:3     48.077 kHz     50.000000 MHz
    DMT 0x0b:   800x600    75.000000 Hz   4:3     46.875 kHz     49.500000 MHz
    Apple   :   832x624    74.551266 Hz   4:3     49.726 kHz     57.284000 MHz
    DMT 0x10:  1024x768    60.003840 Hz   4:3     48.363 kHz     65.000000 MHz
    DMT 0x11:  1024x768    70.069359 Hz   4:3     56.476 kHz     75.000000 MHz
    DMT 0x12:  1024x768    75.028582 Hz   4:3     60.023 kHz     78.750000 MHz
    DMT 0x24:  1280x1024   75.024675 Hz   5:4     79.976 kHz    135.000000 MHz
  Standard Timings:
    DMT 0x15:  1152x864    75.000000 Hz   4:3     67.500 kHz    108.000000 MHz
    DMT 0x23:  1280x1024   60.019740 Hz   5:4     63.981 kHz    108.000000 MHz
    DMT 0x20:  1280x960    60.000000 Hz   4:3     60.000 kHz    108.000000 MHz
    DMT 0x2f:  1440x900    59.887445 Hz  16:10    55.935 kHz    106.500000 MHz
    DMT 0x33:  1600x1200   60.000000 Hz   4:3     75.000 kHz    162.000000 MHz
    DMT 0x3a:  1680x1050   59.954250 Hz  16:10    65.290 kHz    146.250000 MHz
    DMT 0x52:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz
  Detailed Timing Descriptors:
    DTD 1:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz (531 mm x 299 mm)
                 Hfront   88 Hsync  44 Hback  148 Hpol P
                 Vfront    4 Vsync   5 Vback   36 Vpol P
    Display Range Limits:
      Monitor ranges (GTF): 50-76 Hz V, 30-83 kHz H, max dotclock 170 MHz
    Display Product Name: 'VS248'
    Display Product Serial Number: 'J4LMQS004343'
  Extension blocks: 1
Checksum: 0xac

----------------

Block 1, CTA-861 Extension Block:
  Revision: 3
  Underscans IT Video Formats by default
  Basic audio support
  Supports YCbCr 4:4:4
  Supports YCbCr 4:2:2
  Native detailed modes: 1
  Video Data Block:
    VIC  16:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz (native)
    VIC   5:  1920x1080i  60.000000 Hz  16:9     33.750 kHz     74.250000 MHz
    VIC   4:  1280x720    60.000000 Hz  16:9     45.000 kHz     74.250000 MHz
    VIC   3:   720x480    59.940060 Hz  16:9     31.469 kHz     27.000000 MHz
    VIC   2:   720x480    59.940060 Hz   4:3     31.469 kHz     27.000000 MHz
    VIC   1:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    VIC  17:   720x576    50.000000 Hz   4:3     31.250 kHz     27.000000 MHz
    VIC  18:   720x576    50.000000 Hz  16:9     31.250 kHz     27.000000 MHz
    VIC  19:  1280x720    50.000000 Hz  16:9     37.500 kHz     74.250000 MHz
    VIC  20:  1920x1080i  50.000000 Hz  16:9     28.125 kHz     74.250000 MHz
    VIC  31:  1920x1080   50.000000 Hz  16:9     56.250 kHz    148.500000 MHz
  Audio Data Block:
    Linear PCM:
      Max channels: 2
      Supported sample rates (kHz): 48 44.1 32
      Supported sample sizes (bits): 24 20 16
  Speaker Allocation Data Block:
    FL/FR - Front Left/Right
  Vendor-Specific Data Block (HDMI), OUI 00-0C-03:
    Source physical address: 1.0.0.0
  Detailed Timing Descriptors:
    DTD 2:  1920x1080   59.987872 Hz  16:9     66.587 kHz    138.500000 MHz (531 mm x 299 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   22 Vpol N
    DTD 3:  1366x768    59.789541 Hz 683:384   47.712 kHz     85.500000 MHz (531 mm x 299 mm)
                 Hfront   70 Hsync 143 Hback  213 Hpol P
                 Vfront    3 Vsync   3 Vback   24 Vpol P
    DTD 4:  1280x720    60.000000 Hz  16:9     45.000 kHz     74.250000 MHz (531 mm x 299 mm)
                 Hfront  110 Hsync  40 Hback  220 Hpol P
                 Vfront    5 Vsync   5 Vback   20 Vpol P
    DTD 5:   720x480    59.940060 Hz   3:2     31.469 kHz     27.000000 MHz (531 mm x 299 mm)
                 Hfront   16 Hsync  62 Hback   60 Hpol N
                 Vfront    9 Vsync   6 Vback   30 Vpol N
    DTD 6:  1920x1080i  60.000000 Hz  16:9     33.750 kHz     74.250000 MHz (531 mm x 299 mm)
                 Hfront   88 Hsync  44 Hback  148 Hpol P
                 Vfront    2 Vsync   5 Vback   15 Vpol P Vfront +0.5 Odd Field
                 Vfront    2 Vsync   5 Vback   15 Vpol P Vback  +0.5 Even Field
Checksum: 0x39  Unused space in Extension Block: 7 bytes
=================
/sys/class/drm/card1-HDMI-A-2
EDID of '/sys/class/drm/card1-HDMI-A-2/edid' was empty.
=================
/sys/class/drm/card1-Writeback-1
EDID of '/sys/class/drm/card1-Writeback-1/edid' was empty.
=================

After, with the parameters:

/sys/class/drm/card1
/sys/class/drm/card1/edid: No such file or directory
=================
/sys/class/drm/card1-DP-1
edid-decode (hex):

00 ff ff ff ff ff ff 00 04 72 1c 07 d7 d9 41 04
2c 1e 01 04 b5 3c 22 78 3b 3a d5 ae 4e 43 aa 26
0b 50 54 23 48 00 81 40 81 80 81 c0 81 00 95 00
b3 00 d1 c0 01 01 4d d0 00 a0 f0 70 3e 80 30 20
35 00 55 50 21 00 00 1a b4 66 00 a0 f0 70 1f 80
08 20 18 04 55 50 21 00 00 1a 00 00 00 fd 0c 30
90 ff ff 6b 01 0a 20 20 20 20 20 20 00 00 00 fc
00 58 42 32 37 33 4b 20 47 50 0a 20 20 20 02 12

02 03 43 f1 51 01 03 04 12 13 05 14 1f 90 07 02
5d 5e 5f 60 61 3f 23 09 07 07 83 01 00 00 e2 00
c0 6d 03 0c 00 10 00 38 78 20 00 60 01 02 03 68
1a 00 00 01 01 30 90 00 e3 05 e3 01 e6 06 07 01
61 56 1c 07 82 80 54 70 38 4d 40 08 20 f8 0c 56
50 21 00 00 1a 40 e7 00 6a a0 a0 6a 50 08 20 98
04 55 50 21 00 00 1a 6f c2 00 a0 a0 a0 55 50 30
20 35 00 55 50 21 00 00 1e 00 00 00 00 00 00 78

70 12 79 00 00 03 01 28 9a a0 01 84 ff 0e a0 00
2f 80 21 00 6f 08 3e 00 03 00 05 00 e0 f6 00 04
7f 07 59 00 2f 80 1f 00 6f 08 19 00 01 00 03 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 35 90

----------------

Block 0, Base EDID:
  EDID Structure Version & Revision: 1.4
  Vendor & Product Identification:
    Manufacturer: ACR
    Model: 1820
    Serial Number: 71424471 (0x0441d9d7)
    Made in: week 44 of 2020
  Basic Display Parameters & Features:
    Digital display
    Bits per primary color channel: 10
    DisplayPort interface
    Maximum image size: 60 cm x 34 cm
    Gamma: 2.20
    DPMS levels: Off
    Supported color formats: RGB 4:4:4, YCrCb 4:4:4, YCrCb 4:2:2
    First detailed timing includes the native pixel format and preferred refresh rate
    Display supports continuous frequencies
  Color Characteristics:
    Red  : 0.6796, 0.3076
    Green: 0.2636, 0.6660
    Blue : 0.1513, 0.0439
    White: 0.3134, 0.3291
  Established Timings I & II:
    DMT 0x04:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    DMT 0x08:   800x600    56.250000 Hz   4:3     35.156 kHz     36.000000 MHz
    DMT 0x09:   800x600    60.316541 Hz   4:3     37.879 kHz     40.000000 MHz
    DMT 0x0b:   800x600    75.000000 Hz   4:3     46.875 kHz     49.500000 MHz
    DMT 0x10:  1024x768    60.003840 Hz   4:3     48.363 kHz     65.000000 MHz
  Standard Timings:
    DMT 0x20:  1280x960    60.000000 Hz   4:3     60.000 kHz    108.000000 MHz
    DMT 0x23:  1280x1024   60.019740 Hz   5:4     63.981 kHz    108.000000 MHz
    DMT 0x55:  1280x720    60.000000 Hz  16:9     45.000 kHz     74.250000 MHz
    DMT 0x1c:  1280x800    59.810326 Hz  16:10    49.702 kHz     83.500000 MHz
    DMT 0x2f:  1440x900    59.887445 Hz  16:10    55.935 kHz    106.500000 MHz
    DMT 0x3a:  1680x1050   59.954250 Hz  16:10    65.290 kHz    146.250000 MHz
    DMT 0x52:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz
  Detailed Timing Descriptors:
    DTD 1:  3840x2160   59.996625 Hz  16:9    133.312 kHz    533.250000 MHz (597 mm x 336 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   54 Vpol N
    DTD 2:  3840x2160   30.000000 Hz  16:9     65.730 kHz    262.920000 MHz (597 mm x 336 mm)
                 Hfront    8 Hsync  32 Hback  120 Hpol P
                 Vfront   17 Vsync   8 Vback    6 Vpol N
    Display Range Limits:
      Monitor ranges (Range Limits Only): 48-144 Hz V, 510-510 kHz H, max dotclock 1070 MHz
    Display Product Name: 'XB273K GP'
  Extension blocks: 2
Checksum: 0x12

----------------

Block 1, CTA-861 Extension Block:
  Revision: 3
  Underscans IT Video Formats by default
  Basic audio support
  Supports YCbCr 4:4:4
  Supports YCbCr 4:2:2
  Native detailed modes: 1
  Video Data Block:
    VIC   1:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    VIC   3:   720x480    59.940060 Hz  16:9     31.469 kHz     27.000000 MHz
    VIC   4:  1280x720    60.000000 Hz  16:9     45.000 kHz     74.250000 MHz
    VIC  18:   720x576    50.000000 Hz  16:9     31.250 kHz     27.000000 MHz
    VIC  19:  1280x720    50.000000 Hz  16:9     37.500 kHz     74.250000 MHz
    VIC   5:  1920x1080i  60.000000 Hz  16:9     33.750 kHz     74.250000 MHz
    VIC  20:  1920x1080i  50.000000 Hz  16:9     28.125 kHz     74.250000 MHz
    VIC  31:  1920x1080   50.000000 Hz  16:9     56.250 kHz    148.500000 MHz
    VIC  16:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz (native)
    VIC   7:  1440x480i   59.940060 Hz  16:9     15.734 kHz     27.000000 MHz
    VIC   2:   720x480    59.940060 Hz   4:3     31.469 kHz     27.000000 MHz
    VIC  93:  3840x2160   24.000000 Hz  16:9     54.000 kHz    297.000000 MHz
    VIC  94:  3840x2160   25.000000 Hz  16:9     56.250 kHz    297.000000 MHz
    VIC  95:  3840x2160   30.000000 Hz  16:9     67.500 kHz    297.000000 MHz
    VIC  96:  3840x2160   50.000000 Hz  16:9    112.500 kHz    594.000000 MHz
    VIC  97:  3840x2160   60.000000 Hz  16:9    135.000 kHz    594.000000 MHz
    VIC  63:  1920x1080  120.000000 Hz  16:9    135.000 kHz    297.000000 MHz
  Audio Data Block:
    Linear PCM:
      Max channels: 2
      Supported sample rates (kHz): 48 44.1 32
      Supported sample sizes (bits): 24 20 16
  Speaker Allocation Data Block:
    FL/FR - Front Left/Right
  Video Capability Data Block:
    YCbCr quantization: Selectable (via AVI YQ)
    RGB quantization: Selectable (via AVI Q)
    PT scan behavior: No Data
    IT scan behavior: IT video formats not supported
    CE scan behavior: CE video formats not supported
  Vendor-Specific Data Block (HDMI), OUI 00-0C-03:
    Source physical address: 1.0.0.0
    DC_36bit
    DC_30bit
    DC_Y444
    Maximum TMDS clock: 600 MHz
    Extended HDMI video details:
      HDMI VICs:
        HDMI VIC 1:  3840x2160   30.000000 Hz  16:9     67.500 kHz    297.000000 MHz
        HDMI VIC 2:  3840x2160   25.000000 Hz  16:9     56.250 kHz    297.000000 MHz
        HDMI VIC 3:  3840x2160   24.000000 Hz  16:9     54.000 kHz    297.000000 MHz
  Vendor-Specific Data Block (AMD), OUI 00-00-1A:
    Version: 1.1
    Minimum Refresh Rate: 48 Hz
    Maximum Refresh Rate: 144 Hz
    Flags 1.x: 0x00
  Colorimetry Data Block:
    xvYCC601
    xvYCC709
    BT2020cYCC
    BT2020YCC
    BT2020RGB
    Gamut Boundary Description Metadata Profile P0
  HDR Static Metadata Data Block:
    Electro optical transfer functions:
      Traditional gamma - SDR luminance range
      Traditional gamma - HDR luminance range
      SMPTE ST2084
    Supported static metadata descriptors:
      Static metadata type 1
    Desired content max luminance: 97 (408.759 cd/m^2)
    Desired content max frame-average luminance: 86 (322.098 cd/m^2)
    Desired content min luminance: 28 (0.049 cd/m^2)
  Detailed Timing Descriptors:
    DTD 3:  1920x1080  143.563349 Hz  16:9    166.103 kHz    332.870000 MHz (598 mm x 336 mm)
                 Hfront    8 Hsync  32 Hback   44 Hpol P
                 Vfront   63 Vsync   8 Vback    6 Vpol N
    DTD 4:  2560x1440  143.632286 Hz  16:9    222.056 kHz    592.000000 MHz (597 mm x 336 mm)
                 Hfront    8 Hsync  32 Hback   66 Hpol P
                 Vfront   25 Vsync   8 Vback   73 Vpol N
    DTD 5:  2560x1440  119.997589 Hz  16:9    182.996 kHz    497.750000 MHz (597 mm x 336 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   77 Vpol P
Checksum: 0x78  Unused space in Extension Block: 6 bytes

----------------

Block 2, DisplayID Extension Block:
  Version: 1.2
  Extension Count: 0
  Display Product Type: Extension Section
  Video Timing Modes Type 1 - Detailed Timings Data Block:
    DTD:  3840x2160  119.910418 Hz  16:9    266.561 kHz   1066.510000 MHz (aspect 16:9, no 3D stereo, preferred)
               Hfront   48 Hsync  34 Hback   79 Hpol P
               Vfront    4 Vsync   6 Vback   53 Vpol N
    DTD:  1920x2160  143.839358 Hz  16:9    314.433 kHz    632.010000 MHz (aspect 16:9, no 3D stereo)
               Hfront   48 Hsync  32 Hback   10 Hpol P
               Vfront    2 Vsync   4 Vback   20 Vpol N
  Checksum: 0x35
Checksum: 0x90
=================
/sys/class/drm/card1-DP-2
EDID of '/sys/class/drm/card1-DP-2/edid' was empty.
=================
/sys/class/drm/card1-HDMI-A-1
EDID of '/sys/class/drm/card1-HDMI-A-1/edid' was empty.
=================
/sys/class/drm/card1-HDMI-A-2
EDID of '/sys/class/drm/card1-HDMI-A-2/edid' was empty.
=================
/sys/class/drm/card1-Writeback-1
EDID of '/sys/class/drm/card1-Writeback-1/edid' was empty.
=================

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#6 2024-06-11 16:48:11

seth
Member
Registered: 2012-09-03
Posts: 53,138

Re: Text console on AMDGPU: Select which monitor to use?

'key - outputs are gone sad
kmscon would do this - in theory.
In practice there's https://github.com/dvdhrm/kmscon/issues/120 and the developer seems inactive since 2015

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