[maemo-users] Screen rotation support

From: Eero Tamminen eero.tamminen at nokia.com
Date: Thu Feb 26 18:13:28 EET 2009

ext Tuomas Räsänen wrote:
> Few questions about screen rotation in Maemo http://wiki.maemo.org/Rotation:
> - Why does the kernel need to know anything about rotation? Isn't it
> just the X's business?

Unless you don't care about rotation being dog-slow, you want it to
be done by the HW (display controller).  HW is controlled by kernel
drivers, not X[1].

	- Eero

[1] On x86 / Linux X has traditionally been banging the HW directly
     which is "fine" for reliability & security...

More information about the maemo-users mailing list