Maximum/native/recommended S-Video TVOut resolutions for IGP9100 radeon?

[Alex Deucher]

On Mon, Jul 20, 2009 at 7:00 PM, Mark Knecht<markknecht at gmail.com> wrote:
> Hi,
>   I'm wondering how I determine what resolutions are supported using
> xf86-driver-ati with TVOut turned on? My machine is an older Asus
> Pundit-R with an ATI IGP9100 chipset. I have the Open Source driver
> running and it's currently set to 800x600 (recommended on the Xorg
> site) and I'm getting a pretty good picture compared to the older
> closed-source ATI driver. Big improvement on the noise though. The old
> ATI driver used a lot of CPU and made the fans run at high speed. So
> far your Open Source driver doesn't seem to kick the fans up at all so
> thanks for that.
>
>   I've read on the web that S-video was inherently limited to
> 720x480. Is that true? Does the IGP9100 support that sort of
> resolution? This machine is hooked only to a TV and only used for
> MythTV so there are no other considerations other than getting a good
> picture a few hours a day.

tv-out always outputs native tv timing (NTSC or PAL, etc.).  The
tv-out block has a scaler the downscales the desktop image to the
native tv timing.  In theory you can scale any mode with the
appropriate timing, but at the moment, the driver only supports
800x600.

Alex