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Troubleshooting • Re: CM5 trouble with 7inch display on DSI

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a DSI bind shows as 'succeeded'. What looks strange is that 'channel=0' gets mentioned. Need to say that I will have to check the source but looks 'strange' for a DSI screen on DSI-1

Code:

Connector 0 (35) DSI-2 (connected)   0 720x1280@60.04    83.330 720/239/33/50/?    1280/20/2/30/?     60 (60.04) P|D

Code:

..[    1.368970] vc4-drm axi:gpu: bound 107c411000.pixelvalve (ops vc4_crtc_ops [vc4])[    1.369790] [drm] Initialized vc4 0.0.0 20140616 for axi:gpu on minor 2[    1.370336] ili9881c-dsi 1f00130000.dsi.0: supply power not found, using dummy regulator[    1.370766] drm-rp1-dsi 1f00130000.dsi: rp1dsi_host_attach: Attach DSI device name=dsi-7inch channel=0 lanes=2 format=0 flags=0x801 hs_rate=0 lp_rate=0[    1.372278] vc4-drm axi:gpu: [drm] Cannot find any crtc or sizes[    1.373334] [drm] Initialized drm-rp1-dsi 1.0.0 0 for 1f00130000.dsi on minor 0[    1.374471] vc4-drm axi:gpu: [drm] Cannot find any crtc or sizes[    1.377247] vc4-drm axi:gpu: [drm] Cannot find any crtc or sizes[    1.377293] drm-rp1-dsi 1f00130000.dsi: [drm] rp1dsi: Command time (outvact): 11[    1.377762] drm-rp1-dsi 1f00130000.dsi: [drm] rp1dsi: Nominal Byte clock 125000000 DPI clock 83333333 (parent rate 125000000)[    1.397223] usb 3-1: New USB device found, idVendor=1ea7, idProduct=0066, bcdDevice= 2.00[    1.397229] usb 3-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0[    1.397232] usb 3-1: Product: 2.4G Mouse[    1.423467] input: 2.4G Mouse as /devices/platform/axi/1000120000.pcie/1f00300000.usb/xhci-hcd.1/usb3/3-1/3-1:1.0/0003:1EA7:0066.0001/input/input5[    1.545635] hid-generic 0003:1EA7:0066.0001: input,hidraw0: USB HID v1.10 Keyboard [2.4G Mouse] on usb-xhci-hcd.1-1/input0[    1.572571] input: 2.4G Mouse as /devices/platform/axi/1000120000.pcie/1f00300000.usb/xhci-hcd.1/usb3/3-1/3-1:1.1/0003:1EA7:0066.0002/input/input6[    1.572637] input: 2.4G Mouse as /devices/platform/axi/1000120000.pcie/1f00300000.usb/xhci-hcd.1/usb3/3-1/3-1:1.1/0003:1EA7:0066.0002/input/input7[    1.572746] input: 2.4G Mouse Consumer Control as /devices/platform/axi/1000120000.pcie/1f00300000.usb/xhci-hcd.1/usb3/3-1/3-1:1.1/0003:1EA7:0066.0002/input/input8[    1.597951] Console: switching to colour frame buffer device 90x80[    1.616248] drm-rp1-dsi 1f00130000.dsi: [drm] fb0: drm-rp1-dsidrmf frame buffer device[    1.629560] drm-rp1-dsi 1f00130000.dsi: rp1dsi_bind succeeded
how do you power your board as there is an undervoltage warning

Code:

[    8.895400] hwmon hwmon2: Undervoltage detected![   16.958385] hwmon hwmon2: Voltage normalised

Statistics: Posted by aBUGSworstnightmare — Sun Dec 15, 2024 7:15 pm



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