Switch OLED panel above 64 Hz: a full map of what blocks it (and a request for the DDIC register map)
I've spent a while trying to push the Switch OLED panel (Samsung AMS699VC01, ID 0x2050) past 60 Hz. 64 Hz works. Above that it breaks, and I now know a lot about why — but not everything. Posting all of it, including the dead ends, so nobody has to repeat them.
Everything below was verified by reading hardware back or by counting vsync pulses. Mode queries to the driver don't count as...
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I've spent a while trying to push the Switch OLED panel (Samsung AMS699VC01, ID 0x2050) past 60 Hz. 64 Hz works. Above that it breaks, and I now know a lot about why — but not everything. Posting all of it, including the dead ends, so nobody has to repeat them.
Everything below was verified by reading hardware back or by counting vsync pulses. Mode queries to the driver don't count as...
Read more
Continue reading...