Hi Sam,
On Sat, Mar 14, 2020 at 04:30:45PM +0100, Sam Ravnborg wrote:
> data-mapping may not be the best way to describe the
> data format used between panels and display interface.
>
> Drop it from the panel-dpi binding so we do not start to rely on it.
> We can then work out how to best describe this mapping and when
> we know it, we can add it to this binding.
>
> Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Cc: Maxime Ripard <mripard@xxxxxxxxxx>
> Cc: Rob Herring <robh@xxxxxxxxxx>
I can't say whether it's the right decision or not, but if you want to
go forward with this, you should maintain the backward compatibility,
so leave the code to deal with this as a fallback solution...
> ---
> .../devicetree/bindings/display/panel/panel-dpi.yaml | 10 ----------
> 1 file changed, 10 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml b/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
> index f63870384c00..0cd74c8dab42 100644
> --- a/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
> @@ -21,15 +21,6 @@ properties:
> - {}
> - const: panel-dpi
>
> - data-mapping:
> - enum:
> - - rgb24
> - - rgb565
> - - bgr666
> - description: |
> - Describes the media format, how the display panel is connected
> - to the display interface.
> -
And keep that DT property documented too.
You can express that it's only here for compatibility using the
deprecated keyword though.
It doesn't do anything at the moment, but the next spec of the schema
language uses it, so as soon as the library implements it we'll report
it.
Maxime
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