[Intel-gfx] VGA to PAL RGB

Eric Anholt eric at anholt.net
Wed Aug 27 12:14:14 PDT 2008

On Thu, 2008-07-24 at 12:21 +0200, Thomas Elsen wrote:
> Hi all,
> I'm trying to get the following modeline to work with my Mythbuntu.
> This 
> modeline should be perfect for television sets that understand PAL.
> Modeline "768x576pali" 14.76 768 789 858 944 576 580 583 625 -hsync 
> -vsync interlace
> My TV is connected with a custom made cable the joins the horizontal
> and 
> vertical sync signal.
> http://www.nexusuk.org/projects/vga2scart/
> The problem with the current drivers is that the minimal dot clock is 
> defined as 25Mhz. I'd like to know if this is a hardware limitation
> and, 
> if not, what should be done to run the clock at 14,76Mhz.
> I'm using the intel driver with a GMA950 chipset.

The clocking limitations haven't changed that much between the 915-class
hardware and the 965.  I'd check the publicly available documentation to
see what would be required for interlacing support.

Eric Anholt
eric at anholt.net                         eric.anholt at intel.com

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 197 bytes
Desc: This is a digitally signed message part
URL: <http://lists.x.org/archives/xorg/attachments/20080827/f0f9979c/attachment.pgp>

More information about the xorg mailing list