#### #### dmesg | grep -iE 'drm|tegra|sor|dpaux|hdmi' #### [ 0.000000] tegra-clk-debug:pll_a_out0_out_adsp: connection ID is greater than 16 [ 0.000000] tegra-clk-debug:dmic1_sync_clk_mux: connection ID is greater than 16 [ 0.000000] tegra-clk-debug:dmic2_sync_clk_mux: connection ID is greater than 16 [ 0.000000] tegra-clk-debug:dmic3_sync_clk_mux: connection ID is greater than 16 [ 0.000274] clocksource: tegra_suspend_timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.024461] Tegra Revision: A02 SKU: 143 CPU Process: 0 SoC Process: 1 [ 0.024840] tegra-pmc: access to PMC is restricted to TZ [ 0.026973] CPU1: Booted secondary processor 0x0000000001 [0x411fd071] [ 0.028518] CPU2: Booted secondary processor 0x0000000002 [0x411fd071] [ 0.029826] CPU3: Booted secondary processor 0x0000000003 [0x411fd071] [ 0.030044] SMP: Total of 4 processors activated. [ 0.083839] tegra-mc 70019000.memory-controller: no memory timings for RAM code 0 registered [ 0.389120] tegra-apbdma 60020000.dma: Tegra20 APB DMA driver registered 32 channels [ 0.392063] tegra-pmc 7000e400.pmc: i2c-thermtrip node not found, emergency thermal reset disabled. [ 0.402019] 70006000.serial: ttyS0 at MMIO 0x70006000 (irq = 59, base_baud = 25500000) is a Tegra [ 2.466418] tegra_rtc 7000e000.rtc: registered as rtc1 [ 2.466456] tegra_rtc 7000e000.rtc: Tegra internal Real Time Clock [ 2.540708] tegra-aconnect aconnect@702c0000: Tegra ACONNECT bus registered [ 2.668727] tegra-pcie 1003000.pcie: host bridge /pcie@1003000 ranges: [ 2.668781] tegra-pcie 1003000.pcie: MEM 0x0001000000..0x0001001fff -> 0x0001000000 [ 2.668799] tegra-pcie 1003000.pcie: IO 0x0012000000..0x001200ffff -> 0x0000000000 [ 2.668817] tegra-pcie 1003000.pcie: MEM 0x0013000000..0x001fffffff -> 0x0013000000 [ 2.668829] tegra-pcie 1003000.pcie: MEM 0x0020000000..0x003fffffff -> 0x0020000000 [ 2.669257] tegra-pcie 1003000.pcie: 4x1, 1x1 configuration [ 2.673705] tegra-pcie 1003000.pcie: probing port 0, using 4 lanes [ 2.675247] tegra-pcie 1003000.pcie: probing port 1, using 1 lanes [ 2.740691] tegra-pcie 1003000.pcie: PCI host bridge to bus 0000:00 [ 2.767143] tegra-adma 702e2000.dma-controller: Tegra210 ADMA driver registered 22 channels [ 2.768249] tegra-xusb 70090000.usb: Firmware timestamp: 2023-04-25 07:35:59 UTC [ 2.768284] tegra-xusb 70090000.usb: xHCI Host Controller [ 2.768325] tegra-xusb 70090000.usb: new USB bus registered, assigned bus number 1 [ 2.769128] tegra-xusb 70090000.usb: hcc params 0x0184f525 hci version 0x100 quirks 0x0000000000000010 [ 2.769271] tegra-xusb 70090000.usb: irq 80, io mem 0x70090000 [ 2.769627] tegra-xusb 70090000.usb: xHCI Host Controller [ 2.769649] tegra-xusb 70090000.usb: new USB bus registered, assigned bus number 2 [ 2.769667] tegra-xusb 70090000.usb: Host supports USB 3.0 SuperSpeed [ 2.779185] sdhci-tegra 700b0000.mmc: Got CD GPIO [ 3.017279] usb 1-2: new high-speed USB device number 2 using tegra-xusb [ 3.258993] usb 2-1: new SuperSpeed USB device number 2 using tegra-xusb [ 3.387458] usb 1-3: new full-speed USB device number 3 using tegra-xusb [ 3.589275] usb 1-2.1: new full-speed USB device number 4 using tegra-xusb [ 5.940780] systemd[1]: modprobe@drm.service - Load Kernel Module drm skipped, unmet condition check ConditionKernelModuleLoaded=!drm [ 9.325932] tegra_soctherm 700e2000.thermal-sensor: missing thermtrips, will use critical trips as shut down temp [ 9.328837] tegra_soctherm 700e2000.thermal-sensor: thermtrip: will shut down when cpu reaches 102500 mC [ 9.328878] tegra_soctherm 700e2000.thermal-sensor: throttrip: will throttle when cpu reaches 102500 mC [ 9.329709] tegra_soctherm 700e2000.thermal-sensor: thermtrip: will shut down when gpu reaches 103000 mC [ 9.329736] tegra_soctherm 700e2000.thermal-sensor: throttrip: will throttle when gpu reaches 103000 mC [ 9.330504] tegra_soctherm 700e2000.thermal-sensor: thermtrip: will shut down when pll reaches 103000 mC [ 9.347822] tegra_soctherm 700e2000.thermal-sensor: thermtrip: will shut down when mem reaches 103000 mC [ 9.506077] input: NVIDIA Jetson Nano HDA HDMI/DP,pcm=3 as /devices/platform/70030000.hda/sound/card0/input1 [ 9.637301] nouveau 57000000.gpu: drm: VRAM: 0 MiB [ 9.637339] nouveau 57000000.gpu: drm: GART: 1048576 MiB [ 9.641710] nouveau 57000000.gpu: drm: MM: using COPY for buffer copies [ 9.680920] [drm] Initialized nouveau 1.4.0 for 57000000.gpu on minor 0 [ 11.325109] [drm] Initialized tegra 1.0.0 for drm on minor 1 [ 11.430840] tegra-sor 54540000.sor: failed to choose link: -34 [ 11.560249] drm drm: [drm] fb0: tegradrmfb frame buffer device [ 22.504940] tegra-pmc 7000e400.pmc: Timed out. Forcing sync_state() #### #### cat /sys/class/drm/card1-HDMI-A-1/edid | edid-decode #### EDID of 'stdin' was empty. #### #### cat /sys/class/drm/card*-DP-1/edid | edid-decod #### edid-decode (hex): 00 ff ff ff ff ff ff 00 1e 6d d3 5b 61 80 04 00 0c 21 01 04 b5 3c 22 78 9d cf 85 a8 56 43 ab 25 0f 50 54 21 08 00 d1 c0 61 40 01 01 01 01 01 01 01 01 01 01 01 01 09 ec 00 a0 a0 a0 67 50 30 20 3a 00 b9 88 21 00 00 1a 00 00 00 fd 08 30 a5 1e 03 46 00 0a 20 20 20 20 20 20 00 00 00 fc 00 4c 47 20 55 4c 54 52 41 47 45 41 52 0a 00 00 00 ff 00 33 31 32 4e 54 48 4d 38 50 30 30 39 0a 02 99 02 03 1d 71 23 09 06 07 e2 00 6a e3 05 c0 00 e6 06 05 01 61 61 4f 46 10 04 03 01 1f 13 6f c2 00 a0 a0 a0 55 50 30 20 3a 00 b9 88 21 00 00 1a 56 5e 00 a0 a0 a0 29 50 30 20 35 00 b9 88 21 00 00 1a 5a a0 00 a0 a0 a0 46 50 30 20 3a 00 b9 88 21 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 87 70 12 79 03 00 03 00 14 3d 11 01 84 ff 09 9f 00 2f 80 1f 00 9f 05 76 00 02 00 04 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 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f3 90 ---------------- Block 0, Base EDID: EDID Structure Version & Revision: 1.4 Vendor & Product Identification: Manufacturer: GSM Model: 23507 Serial Number: 295009 Made in: week 12 of 2023 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: Standby Supported color formats: RGB 4:4:4, YCrCb 4:4:4, YCrCb 4:2:2 Default (sRGB) color space is primary color space First detailed timing does not include the native pixel format and preferred refresh rate Display is continuous frequency Color Characteristics: Red : 0.6591, 0.3359 Green: 0.2646, 0.6708 Blue : 0.1464, 0.0585 White: 0.3134, 0.3291 Established Timings I & II: DMT 0x04: 640x480 59.940476 Hz 4:3 31.469 kHz 25.175000 MHz DMT 0x09: 800x600 60.316541 Hz 4:3 37.879 kHz 40.000000 MHz DMT 0x10: 1024x768 60.003840 Hz 4:3 48.363 kHz 65.000000 MHz Standard Timings: DMT 0x52: 1920x1080 60.000000 Hz 16:9 67.500 kHz 148.500000 MHz DMT 0x10: 1024x768 60.003840 Hz 4:3 48.363 kHz 65.000000 MHz Detailed Timing Descriptors: DTD 1: 2560x1440 143.973257 Hz 16:9 222.151 kHz 604.250000 MHz (697 mm x 392 mm) Hfront 48 Hsync 32 Hback 80 Hpol P Vfront 3 Vsync 10 Vback 90 Vpol N Display Range Limits: Monitor ranges (GTF): 48-165 Hz V, 30-258 kHz H, max dotclock 700 MHz Display Product Name: 'LG ULTRAGEAR' Display Product Serial Number: '312NTHM8P009' Extension blocks: 2 Checksum: 0x99 ---------------- 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 Audio Data Block: Linear PCM: Max channels: 2 Supported sample rates (kHz): 48 44.1 Supported sample sizes (bits): 24 20 16 Video Capability Data Block: YCbCr quantization: No Data RGB quantization: Selectable (via AVI Q) PT scan behavior: Always Underscanned IT scan behavior: Always Underscanned CE scan behavior: Always Underscanned Colorimetry Data Block: BT2020YCC BT2020RGB HDR Static Metadata Data Block: Electro optical transfer functions: Traditional gamma - SDR 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: 97 (408.759 cd/m^2) Desired content min luminance: 79 (0.392 cd/m^2) Video Data Block: VIC 16: 1920x1080 60.000000 Hz 16:9 67.500 kHz 148.500000 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 1: 640x480 59.940476 Hz 4:3 31.469 kHz 25.175000 MHz VIC 31: 1920x1080 50.000000 Hz 16:9 56.250 kHz 148.500000 MHz VIC 19: 1280x720 50.000000 Hz 16:9 37.500 kHz 74.250000 MHz Detailed Timing Descriptors: DTD 2: 2560x1440 119.997589 Hz 16:9 182.996 kHz 497.750000 MHz (697 mm x 392 mm) Hfront 48 Hsync 32 Hback 80 Hpol P Vfront 3 Vsync 10 Vback 72 Vpol N DTD 3: 2560x1440 59.950550 Hz 16:9 88.787 kHz 241.500000 MHz (697 mm x 392 mm) Hfront 48 Hsync 32 Hback 80 Hpol P Vfront 3 Vsync 5 Vback 33 Vpol N DTD 4: 2560x1440 99.946436 Hz 16:9 150.919 kHz 410.500000 MHz (analog composite, sync-on-green, 697 mm x 392 mm) Hfront 48 Hsync 32 Hback 80 Hpol N Vfront 3 Vsync 10 Vback 57 Vpol N Checksum: 0x87 ---------------- Block 2, DisplayID Extension Block: Version: 1.2 Extension Count: 0 Display Product Type: Standalone display device Video Timing Modes Type 1 - Detailed Timings Data Block: DTD: 2560x1440 164.957741 Hz 16:9 257.169 kHz 699.500000 MHz (aspect 16:9, no 3D stereo, preferred) Hfront 48 Hsync 32 Hback 80 Hpol P Vfront 3 Vsync 5 Vback 111 Vpol N Checksum: 0xf3 Checksum: 0x90