On Thu, Oct 09, 2025 at 05:44:46PM +0200, David Heidelberg wrote:
> On 09/10/2025 16:26, Dmitry Baryshkov wrote:
> > On Thu, Oct 09, 2025 at 03:32:22PM +0200, David Heidelberg wrote:
> > > 
> > > 
> > > On 09/10/2025 15:21, Dmitry Baryshkov wrote:
> > > > On Thu, Oct 09, 2025 at 10:51:31AM +0200, Konrad Dybcio wrote:
> > > > > On 10/8/25 8:57 PM, Dmitry Baryshkov wrote:
> > > > > > On Wed, Oct 08, 2025 at 04:05:28PM +0200, David Heidelberg via B4 
> > > > > > Relay wrote:
> > > > > > > From: David Heidelberg <[email protected]>
> > > > > > > 
> > > > > > > Basic description for S6E3FC2X01 DDIC with attached panel 
> > > > > > > AMS641RW.
> > > > > > > 
> > > > > > > Samsung AMS641RW is 6.41 inch, 1080x2340 pixels, 19.5:9 ratio 
> > > > > > > panel
> > > > > > > 
> > > > > > > Signed-off-by: David Heidelberg <[email protected]>
> > > > > > > ---
> > > > > > >    .../bindings/display/panel/samsung,s6e3fc2x01.yaml | 78 
> > > > > > > ++++++++++++++++++++++
> > > > > > >    MAINTAINERS                                        |  5 ++
> > > > > > >    2 files changed, 83 insertions(+)
> > > > > > > 
> > > > > > 
> > > > > > Please also describe, why it's not enough to use defined compatible,
> > > > > > samsung,s6e3fc2x01. Why do we need a separate schema and can't use 
> > > > > > the
> > > > > > panel-simple-dsi.yaml
> > > > > 
> > > > > panel-simple works for 'dumb' (perhaps a harsh word for 'made with
> > > > > just the in-spec DCS commands in mind') panels, but Samsungs are
> > > > > widely known to require a ton of vendor magic
> > > > 
> > > > The question is about the _schema_. I think it's fine to have a driver
> > > > for a panel covered by panel-simple-dsi.yaml.
> > > 
> > > see display/panel/samsung,amoled-mipi-dsi.yaml
> > > the OLED display don't fit well, but I wouldn't mind consolidating at some
> > > point, but since we know very little (no datasheets), it's hard to do for
> > > now. Maybe in the future when there will be more panels schemas, we can 
> > > find
> > > a way to consolidate into one big?
> > 
> > I'm looking for a simple answer ATM: it doesn't fit
> > panel-simple-dsi.yaml because it needs foo bar baz, which is not a part
> > of that schema.
> 
> v3 will have:
> 
>     dt-bindings: panel: Add Samsung S6E3FC2X01 DDIC with panel
> 
>     Basic description for S6E3FC2X01 DDIC with attached panel AMS641RW.
> 
>     Samsung AMS641RW is 6.41 inch, 1080x2340 pixels, 19.5:9 ratio panel
> 
>     panel-simple-dsi cannot be used because it's limited to one
>     power-supply, while we use three.

Perfect, thank you. If the bindings for samsumg,s6e3fc2x01 are
incorrect, they should be dropped too.

> > > > > Perhaps the original change was made with an "oh it just works
> > > > > surely there's no drawbacks possible" attitude, as the panel
> > > > > was left initialized by the bootloader

-- 
With best wishes
Dmitry

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