i810 mergedfb options present in ati driver not implemented

Alan Hourihane alanh at fairlite.demon.co.uk
Fri Jan 12 07:45:09 PST 2007

On Fri, 2007-01-12 at 13:46 +0100, emisca wrote:
> I would like to patch the i810 driver to implement these two features
> present in radeon driver:
>        Option "MergedDPI" "string"
>               The  driver  will attempt to figure out an appropriate DPI based
>               on the DDC information and the orientation of the heads when  in
>               merged  framebuffer  mode.  If this value does not suit you, you
>               can manually set the DPI using this option.
>               For example, Option "MergedDPI" "100 100"
>               The default value is undefined.
>        Option "MergedNonRectangular" "boolean"
>               If you are using MergedFB with two  modes  of  different  sizes,
>               turn  this  option  on  to  keep the smaller head from scrolling
>               within the larger virtual desktop and to  keep  the  mouse  from
>               moving into that area.  Applications that are not Xinerama aware
>               can potentially end up stranded in this area.
>               The default value is FALSE.
> Does anyone already worked on these?
> In the next days I will look ati driver sources and I'll try to port
> them to i810 driver like I did for MergedXineramaSecondIsScreen0.
> I will post them when are ready..

Please submit your patches to bugs.freedesktop.org and assign them as
enhancements then things won't get lost.


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