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<narmstrong>
xdarklight: Nice work ! Something must be missing for OTG mode, I’ll have a closer look to your changes
<narmstrong>
xdarklight: for CVBS. Weird because the write in fb0 only writes in the buffer, nothing more, can you try writing directly in memory to see if you have something ?
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<xdarklight>
narmstrong: RE OTG - I didn't spend a lot of time on debugging that issue. let me know if you find anything suspicious though, if it works on GXL it'll most probably also work on AXG (where USB support is also still missing)
<xdarklight>
narmstrong: RE CVBS - do you have any pointer where I would be "writing directly in memory"? (I assume there's some buffer which I can fill with <some value> to have <some color> on the whole screen)
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<narmstrong>
xdarklight: you can dump the buffer address allocated by drm you fill in the canvas and try to write into it
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<xdarklight>
narmstrong: if I understand it correctly that's what the tool (which I'm using to draw the colors) does: https://github.com/jumpnow/fbtest
<xdarklight>
did you use and framebuffer testing tool when you wrote the display driver?
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<narmstrong>
xdarklight: nop I mainly used the kernel fbcon and very quickly X, but you can use the modetest tool from libdrm to have more precise testing
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<xdarklight>
narmstrong: ok, thank you. I'll see next weekend whether I'm lucky
<xdarklight>
hmm
<xdarklight>
might be that my USB video grabber is faulty