[Intel-gfx] Questions about tripple display

[Guo Tang]

Great! Thanks for the direction. We will give it a shoot!

- Guo

On Fri, Jul 13, 2012 at 9:38 AM, Daniel Vetter <daniel at ffwll.ch> wrote:

> On Fri, Jul 13, 2012 at 6:36 PM, Guo Tang <guo.tang at sonoartis.com> wrote:
> > Hi, Daniel,
> >
> > Thanks for the prompt reply. From your reply looks like I still have a
> > little hope.
> >
> > How about if I only run 1024x768 at 60Hz or 30Hz resolution? Will that
> address
> > the dotclock problem
> > between LVDS and TV?
>
> As I've said, carefully picking a dotclock that matches up with TV or
> LVDS can work, but we don't bother to support that in the driver
> because imo it's not worth the hassle. If you really want to stitch
> something like this together, grep for needs_tvclock in the drm/i915
> sources (or check out the lvds panel fitter code). I.e. it's by far
> not as simple as just picking the same mode as e.g. on the TV. And
> you'd need to restructure the kernel driver quite a bit to make it
> work.
> -Daniel
> --
> Daniel Vetter
> daniel.vetter at ffwll.ch - +41 (0) 79 364 57 48 - http://blog.ffwll.ch
>
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