[PATCH v2 32/66] media: sun6i-csi: Add capture state using vsync for page flip

[Maxime Ripard]

On Sat, Feb 05, 2022 at 07:53:55PM +0100, Paul Kocialkowski wrote:
> This introduces a new state structure and associated helpers for
> capture, which handles the buffer queue and state for each submitted
> buffer.
> 
> Besides from the code refactoring, this changes the page flip point
> to vsync instead of frame done, which allows working with only
> two buffers without losing frames. This is apparently a more
> appropriate thing to do with this controller.

Why? What issues were you seeing before, how does using a separate
interrupt addresses it, and what makes you think it's more appropriate?

Maxime
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