Re: [Linux-fbdev-users] Q: video blanking while moving the visible screen

[Antonino A. D. <ad...@gm...>]

On Mon, 2006-08-21 at 21:38 -0400, James Lehman wrote:
> Hello everyone.
> 
> I have just figured out how to get ATI and NVIDIA cards to work with my
> code. Now, when I use one of these cards, and I try to flip the screen
> pointer around inside of the defined virtual display area, by changing the x
> and y offsets, the screen goes blank. The monitor even flips to standby
> mode.

With nvidia at least, try to limit you max xres_virtual to 2048 and the
maximum yres_virtual to 4096.  These cards may hang when you the virtual
screen size exceeds those dimensions.

Tony