Re: [Linux-fbdev-devel] Re: rotation.

[<mr...@us...>]

Sven Luther <lu...@dp...> writes:

> > > I'm about to implement rotation which is needed for devices like th=
e ipaq.=20
> > > The question is do we flip the xres and yres values depending on th=
e=20
> > > rotation or do we just alter the data that will be drawn to make th=
e=20
> > > screen appear to rotate. How does hardware rotate view the x and y =
axis?
> > > Are they rotated or does just the data get rotated?=20
> >=20
> > Where are you going to implement the rotation? At the fbcon or fbdev =
level?
> >=20
> > Fbcon has the advantage that it'll work for all frame buffer devices.
>=20
> But you could also provide driver hooks for the chips which have such a
> rotation feature included (don't know if such exist, but i suppose they
> do, or may in the future).

I heard of someone have problems with the display getting rotated in
Windows.  I don't know what chip it was.

--=20
M=E5ns Rullg=E5rd
mr...@us...