[PATCH] drm/sun4i: uncouple DSI dotclock divider from TCON0_DCLK_REG

Roman Beranek romanberanek at icloud.com
Tue Mar 21 20:53:11 UTC 2023


On Tue Mar 21, 2023 at 5:50 PM CET, Roman Beranek wrote:

> > Also, how was it tested/confirmed?
>
> By counting Vblank interrupts (GIC 118).

Sorry, that was perhaps too abbreviated. To test this change, I set up
an A64 board running kmscube on DSI-1 and verified that the rate of
Vblank IRQs tracked with a video mode set on DSI-1, once with a 2-lane
panel and once with a 4-lane panel.

Roman


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