Intel GMA 950 driving 1920x1080 over DVI?
jbarnes at virtuousgeek.org
Tue Apr 17 10:23:27 PDT 2007
On Tuesday, April 17, 2007, Luc Verhaegen wrote:
> On Tue, Apr 17, 2007 at 11:47:21AM -0400, Jason Tackaberry wrote:
> > The biggest unknown right now is whether or not the DVI port will
> > drive a signal at 1920x1080. I'm getting very conflicting information
> > about this on the web. There was previously a discussion on this list
> > (at http://tinyurl.com/2sx5ub) about this very question, but the
> > discussion seemed to wander a bit, and didn't discuss whether or not
> > DVI specifically could drive 1920x1080. Some specs I'm reading
> > indicate VGA can do 1920x1200 but DVI only 1600x1200. Others imply
> > differently.
> $ cvt -r 1920x1080
> # 1920x1080 59.93 Hz (CVT 2.07M9-R) hsync: 66.59 kHz; pclk: 138.50 MHz
> Modeline "1920x1080R" 138.50 1920 1968 2000 2080 1080 1083 1088 1111
> +hsync -vsync
> 138.5MHz < 160Mhz, which a single link TMDS encoder is supposed to
> handle. But the maximum dotclock supported is often provided in the TMDS
> encoders config/register space.
I'm running 1920x1200 on my Dell display, so I'm pretty sure 1920x1080 will
work for you, either with the modeline Luc provided or the HDTV mode with
5% LCD blanking (supposedly a 131MHz mode).
More information about the xorg