Re: [PATCH v3 5/7] dt-bindings: display: Add common rotation property

[Noralf TrÃnnes]

Thierry, please have a look at this.
In which direction should we rotate to match how drm rotation works?


Den 01.02.2017 18.41, skrev Rob Herring:
> On Tue, Jan 31, 2017 at 05:03:17PM +0100, Noralf Trønnes wrote:
> > Display panels can be oriented many ways, especially in the embedded
> > world. The rotation property is a way to describe this orientation.
> > The counter clockwise direction is chosen because that's what fbdev
> > and drm use.
> The h/w mounting is rotated counter clockwise, so the framebuffers'
> contents are rotated clockwise, right?
>
> > Signed-off-by: Noralf Trønnes <noralf@xxxxxxxxxxx>
> > ---
> >   Documentation/devicetree/bindings/display/display.txt | 4 ++++
> This is panel property, so bindings/display/panel/panel.txt.
>
> >   1 file changed, 4 insertions(+)
> >   create mode 100644 Documentation/devicetree/bindings/display/display.txt
> >
> > diff --git a/Documentation/devicetree/bindings/display/display.txt b/Documentation/devicetree/bindings/display/display.txt
> > new file mode 100644
> > index 0000000..e2e6867
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/display/display.txt
> > @@ -0,0 +1,4 @@
> > +Common display properties
> > +-------------------------
> > +
> > +- rotation:	Display rotation in degrees counter clockwise (0,90,180,270)
> > --
> > 2.10.2
> >
> > --
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