On Fri, Mar 04, 2005 at 07:03:53PM +0530, Mukund JB. wrote: > Thanks for making the Console/Graphic console thing clear. > Indeed my plan is to get an understanding about the Linux Display driver > Architecture. > > I am just aware of framebuffer driver architecture. > > X server > Fbcon > Fbdev > Fbcon-* > > I think this is the way the display driver works. The kernel does not use an X server. The X server has nothing to do with the frame buffer drivers, except that X could use the frame buffer as its display. You could also use gtk-fb or Qt-fb to display a GUI. > If I want to write/modify the driver to rotate the screen by 90 degrees, > at which level/files I need to do the modifications in the above shown > files. No need for that, X already supports that through the RANDR extention. It was developed to allow on-the-fly rotating of screen contents on hand-held devices, but it can be used on desktops as well. Erik -- Erik Mouw J.A.K.Mouw@xxxxxxxxxxxxxx mouw@xxxxxxxxxxxx
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