Re: [PATCH 2/2] drm/bridge: samsung-dsim: Fix porch calcalcuation rounding

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On Mon, Jan 29, 2024 at 2:17 AM Frieder Schrempf
<frieder.schrempf@xxxxxxxxxx> wrote:
>
> On 25.01.24 19:44, Adam Ford wrote:
> > On Mon, Dec 11, 2023 at 9:33 PM Adam Ford <aford173@xxxxxxxxx> wrote:
> >>
> >> When using video sync pulses, the HFP, HBP, and HSA are divided between
> >> the available lanes if there is more than one lane.  For certain
> >> timings and lane configurations, the HFP may not be evenly divisible.
> >> If the HFP is rounded down, it ends up being too small which can cause
> >> some monitors to not sync properly. In these instances, adjust htotal
> >> and hsync to round the HFP up, and recalculate the htotal.
> >>
> >> Tested-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx> # Kontron BL i.MX8MM with HDMI monitor
> >> Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
> >
> > Gentle nudge on this one.  Basically this fixes an issue with the 8MP,
> > but it's still unknown why it doesn't work on 8MM or 8MN, but Frieder
> > confirmed there are no regressions on 8MM or 8MN.
>

Inki,

Is there something you need which is holding this back?  It's been
nearly two months since I posted the initial patch.

Thank you,

adam

> I only tested two specific display setups on i.MX8MM. So of course I
> can't confirm the absence of regressions in general.
>
> Anyway, I think this should be applied.




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