Re: [PATCH] dt-bindings: display: panel-simple: Allow optional 'ports' property

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On Tue, 2020-11-10 at 06:53 +0100, Sam Ravnborg wrote:
> Hi Liu Ying,
> On Tue, Nov 10, 2020 at 10:37:27AM +0800, Liu Ying wrote:
> > Hi Sam,
> > 
> > On Wed, 2020-11-04 at 11:47 +0100, Sam Ravnborg wrote:
> > > Hi Liu Ying
> > > 
> > > On Wed, Nov 04, 2020 at 04:03:37PM +0800, Liu Ying wrote:
> > > > Some simple panels have dual LVDS interfaces which receive even
> > > > and
> > > > odd
> > > > pixels respectively, like 'nlt,nl192108ac18-02d' and
> > > > 'koe,tx26d202vm0bwa'.
> > > > So, let's allow optional 'ports' property so that pixel order
> > > > can
> > > > be got
> > > > via drm_of_lvds_get_dual_link_pixel_order() if it's child
> > > > nodes 
> > > > 'port@0'
> > > > and 'port@1' contain 'dual-lvds-even-pixels' and 'dual-lvds-
> > > > odd-
> > > > pixels'
> > > > properties respectively.
> > > 
> > > A panel with dual LVDS interfaces is no longer in the "simple"
> > > category.
> > > The panel-simple binding shall be limited to the simple pnales
> > > only.
> > > 
> > > This is also why we have for example panel-simple-dsi binding.
> > > 
> > > Please consider either a binding dedicated for the dual port
> > > displays
> > > or
> > 
> > Thanks for your review.
> > 
> > Does a new 'panel-simple-lvds-dual-ports.yaml' binding look ok?
> > I assume it would inherit all properties of panel-simple.yaml and
> > all
> > existing compatibles of LVDS panels with dual ports in
> > panel-simple.yaml can be moved to it.
> 
> Yes, that would be fine. If possible we shall have similar panels
> described by the same binding.
> 
> Try to send out the binding for review early before starting to move
> too
> much around - so we can get an early look at it at see if this is
> indeed
> the right direction to go.

Yes. I've sent out one for review:

https://lists.freedesktop.org/archives/dri-devel/2020-November/286482.html

> 
> 	Sam
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-- 
 Liu Ying




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