Re: [PATCH] media: imx: imx7-media-csi: Sync frames to start of frame for MIPI

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Hi Fabio,

On Tue, 2023-10-17 at 12:46 -0300, Fabio Estevam wrote:
> Hi Stefan,
> 
> On Tue, Oct 17, 2023 at 12:09 PM Stefan Riedmüller
> <s.riedmueller@xxxxxxxxx> wrote:
> > 
> > The default behavior for a base address change is to do it automatically
> > after a DMA completion. This can lead to the situation, were one
> > corrupted frame, with less lines than configured, results in all
> > following frames being corrupted as well, due to a missing
> > re-synchronization to the beginning of the next frame.
> > 
> > Fix this by configuring the base address switch to be synced with the
> > start of frame event.
> > 
> > Currently this is already implemented for the parallel interface. To
> > have it with MIPI as well, simply configure it unconditionally.
> > 
> > Tested on i.MX 8MM.
> 
> Should this contain a Fixes tag? Thanks

Now that you mention it, I guess it could. I'm just not sure which commit to
select for the fixes tag. I think this issue is there since day one of the
driver, but I doubt that it would apply on every version of it. The fixes tag
is to trigger a stable fix, right? Or is it just meant as a note?

Do you have any suggestions?

Thanks,
Stefan




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