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

[Frieder Schrempf]

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.

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.