As per your findings, I have now tried this in /boot/config.txt (I am not using the .dto files they provided as generic has been recommended instead):With alternative 2:Output:Still no visible output / screen stays blank with backlight on.
Thank you for your efforts.
Code:
# Enable DRM VC4 V3D driverdtoverlay=vc4-kms-v3dmax_framebuffers=2[pi4]# Run as fast as firmware / board allowsarm_boost=1enable_dpi_lcd=1dpi_group=2dpi_mode=87display_default_lcd=1#hdmi_cvt=1024 600 60 6 0 0 0#dpi_timings=1024 1 40 48 128 600 1 13 3 45 0 0 0 60 0 37000000 6#dpi_output_format=0x6f005framebuffer_width=1024framebuffer_height=600[reverse engineered 1]dtoverlay=vc4-kms-dpi-genericdtparam=hactive=1024,hfp=80,hsync=16,hbp=80dtparam=vactive=600,vfp=20,vsync=10,vbp=20,clock-frequency=46800000,rgb666Code:
$ kmsprintConnector 0 (32) HDMI-A-1 (disconnected)Encoder 0 (31) TMDSConnector 1 (41) DPI-1 (connected)Encoder 1 (40) DPICrtc 1 (69) 1024x600@60.00 46.800 1024/80/16/80/+ 600/20/10/20/+ 60 (60.00) P|DPlane 1 (59) fb-id: 292 (crtcs: 1) 0,0 1024x600 -> 0,0 1024x600 (XR24 AR24 AB24 XB24 RG16 BG16 AR15 XR15 RG24 BG24 YU16 YV16 YU24 YV24 YU12 YV12 NV12 NV21 NV16 NV61 RGB8 BGR8 XR12 AR12 XB12 AB12 BX12 BA12 RX12 RA12)FB 292 1024x600 RG16$ kmstestConnector 1/@41: DPI-1Crtc 1/@69: 1024x600@60.00 46.800 1024/80/16/80/+ 600/20/10/20/+ 60 (60.00) P|DPlane 1/@59: 0,0-1024x600Fb 294 1024x600-XR24press enter to exitCode:
# ...everything else as above, just [reversed engineered 1] replaced with this:[reversed engineered v2]dtoverlay=vc4-kms-dpi-genericdtparam=hactive=1024,hfp=40,hsync=20,hbp=60dtparam=vactive=600,vfp=12,vsync=10,vbp=20,clock-frequency=44000000,rgb666Code:
$ kmsprintConnector 0 (32) HDMI-A-1 (disconnected)Encoder 0 (31) TMDSConnector 1 (41) DPI-1 (connected)Encoder 1 (40) DPICrtc 1 (69) 1024x600@59.91 44.000 1024/40/20/60/+ 600/12/10/20/+ 60 (59.91) P|DPlane 1 (59) fb-id: 292 (crtcs: 1) 0,0 1024x600 -> 0,0 1024x600 (XR24 AR24 AB24 XB24 RG16 BG16 AR15 XR15 RG24 BG24 YU16 YV16 YU24 YV24 YU12 YV12 NV12 NV21 NV16 NV61 RGB8 BGR8 XR12 AR12 XB12 AB12 BX12 BA12 RX12 RA12)FB 292 1024x600 RG16$ kmstestConnector 1/@41: DPI-1Crtc 1/@69: 1024x600@59.91 44.000 1024/40/20/60/+ 600/12/10/20/+ 60 (59.91) P|DPlane 1/@59: 0,0-1024x600Fb 294 1024x600-XR24press enter to exitThank you for your efforts.
Statistics: Posted by dusoft — Tue Mar 26, 2024 9:00 pm