> So can the OGC framerate / vertical refresh be finetuned by software
> without causing glitches in the output?
The thing to do is watch an in-coming vertical sync signal and adjust
when we start the next frame. We can't get the pixel timing exact,
but we can compensate for drift in frame start time.
Do you mean adjust the pixel clock at the start of the next frame? Or adjust the delay between frames without changing the pixel clock?
What I'm worried about is will the display device be able to keep its input and its internal updates to its LCD / DLP / whatever in sync without duplicating or dropping frames.
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