Re: [PATCH 3/6] drm/bridge: tc358767: Drop line_pixel_subtract

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Hi Marek,

Am Montag, 3. Juni 2024, 23:25:43 CEST schrieb Marek Vasut:
> On 6/3/24 2:18 PM, Alexander Stein wrote:
> > Hi Marek,
> 
> Hi,
> 
> > Am Freitag, 31. Mai 2024, 22:39:49 CEST schrieb Marek Vasut:
> >> This line_pixel_subtract is no longer needed now that the bridge can
> >> request and obtain specific pixel clock on input to the bridge, with
> >> clock frequency that matches the Pixel PLL frequency.
> >>
> >> The line_pixel_subtract is now always 0, so drop it entirely.
> >>
> >> The line_pixel_subtract was not reliable as it never worked when the
> >> Pixel PLL and input clock were off just so that the required amount
> >> of pixels to subtract would not be whole integer.
> > 
> > I think this is based on [1], no?
> 
> It is.

Thanks for confirmation.

> > I was wondering because it was not stated.
> 
> I thought [1] was already applied, but it seems it was only RBd.
> 
> I can either apply [1] and then add this on top, so the two commits can 
> be reverted separately if this one breaks something, or squash [1] into 
> this patch and send V2. Which one do you prefer ?
> 
> The [1] fixes a real nasty issue with DPI output which causes visible 
> image corruption, so I would like to have [1] in, but it is obviously 
> not perfect.

I can't use DPI anyway, but if [1] actually fixes something for DPI
I'm okay with having [1] in, which gets mostly reverted in this series.
But that's up to the maintainers.

Best regards,
Alexander
-- 
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