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So I just got mine working - at least the calibration screen!
Steps to find your LCD timing:
tvservice -d edid.dat
edidparser edid.dat |grep 1440 |sort -uShould give you something like:
HDMI:EDID failed to find a matching detail format for 1440x2560p hfp:60 hs:10 hbp:35 vfp:4 vs:2 vbp:2 pixel clock:198 MHz
HDMI:EDID found unknown detail timing format: 1440x2560p hfp:60 hs:10 hbp:35 vfp:4 vs:2 vbp:2 pixel clock:198 MHz
HDMI:EDID guessing the format to be 1440x2560p @50 HzThen you know your timings and can set up /boot/config.txt
#Use HDMI
hdmi_force_hotplug=1
#define mode 87
hdmi_timings=1440 0 60 10 35 2560 0 4 2 2 0 0 0 50 0 198000000 0
#force mode
hdmi_group=2
hdmi_mode=87
hdmi_pixel_freq_limit=500000000
hvs_priority=0x32ff
max_framebuffer_width=1440
max_framebuffer_height=2560
framebuffer_width=1440
framebuffer_height=2560
framebuffer_depth=24
framebuffer_ignore_alpha=1
config_hdmi_boost=4
gpu_mem=192Now... what should the printer settings be for timing!
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