@mntmn@mastodon.social
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mntmn

@mntmn@mastodon.social

CEO of MNT Research. OSHW laptop MNT Reform: https://mntre.com | https://shop.mntre.com | FOSS, ARM, OSHW, FPGA, Amiga, RISC-V | batcave, cyberpunk, industrial, synth/darkwave | non-binary, queer, vegan, sober

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mntmn, to random
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after a lot of trial and error and reverse engineering of a hdmi adapter from the seller i got the alternative display panel for pocket reform up and running today, finally. this was hard because docs were severely limited and @timonsku and me were extremely puzzled why nothing was working. in the end the escape clock frequency was too high, setting it to 24MHz worked.

mntmn,
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@timonsku this display doesn't seem to have built in backlight control via dcs. so i did a totally-not-a-hack to PWM the led enable at 100khz via a recent version of the pwm-gpio.c driver from stefan wahren

video showing interactive backlight dimming on the display. it is attached to a pocket reform motherboard. wooden table surface

mntmn,
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@josch yes, maybe we should add some more on the other device trees 👀👀

mntmn,
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@josch yeah! one can just add more pwm levels to the pwm brightness node in the dts file :3

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