i810 mergedfb options present in ati driver not implemented
alexdeucher at gmail.com
Fri Jan 12 06:12:43 PST 2007
On 1/12/07, emisca <emisca.ml at gmail.com> 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.
This is just an override for the DPI calculated by the driver based on
the DDC info (if available). Be sure to take into account switching
from dualhead to clone mode as the DPI will change when the size of
the FB does.
> 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.
This should be a pretty straight forward port from the radeon or sis driver.
> 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..
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