On Mon, Jan 5, 2009 at 3:51 PM, giggz <[email protected]> wrote: > Alex Deucher a écrit : >> On Mon, Jan 5, 2009 at 3:45 PM, giggz <[email protected]> wrote: >>> Alex Deucher a écrit : >>>> On Mon, Jan 5, 2009 at 2:53 PM, giggz <[email protected]> wrote: >>>>> Alex Deucher a écrit : >>>>>> On Mon, Jan 5, 2009 at 1:42 PM, giggz <[email protected]> wrote: >>>>>>> Hi, >>>>>>> >>>>>>> Happy new year! >>>>>>> >>>>>>> I have a question : >>>>>>> on my laptop (debian sid), I have a second monitor on the VGA output. >>>>>>> >>>>>>> I don't have any problem on the VGA output when the monitor has the same >>>>>>> display resolution (1400x1050) as the LVDS monitor. >>>>>>> But when my second monitor has a lower resolution (1024x768), I can have >>>>>>> a correct "clone" mode : on the second monitor I have a part of the >>>>>>> "big" one (a rectangle 1024x768). >>>>>>> >>>>>>> Is there something to do ? >>>>>> What exactly are you trying to do? With clone mode you can have >>>>>> either dis-similar modes on each head (1400x1050 on one, 1024x768 on >>>>>> the other) or a common mode on both heads (e.g., 1024x768 on both). >>>>>> >>>>>> Alex >>>>> Hi, >>>>> >>>>> I'm trying to have dis-similar modes on each head (1400x1050 on one, >>>>> 1024x768 on the other) in clone mode...but it doesn't work. >>>>> >>>>> I have my main screen (LVDS) in 1400x1050 and my second (VGA) in >>>>> 1024x768. But on the VGA one, I don't have my complete desktop, just a >>>>> part of it (a rectangle, which its size is 1024x768 of the complete >>>>> image (1400x1050)). >>>> It does work. 1024x768 is smaller than 1400x1050 so you won't be able >>>> to see all of the larger screen on the smaller one. As Rafal >>>> suggested you could down-scale the image on avivo class hw (r5xx and >>>> newer), but the ati driver doesn't currently support downscaling. >>>> Pre-avivo chips (r1xx-r4xx) only support upscaling. >>>> >>>> Alex >>> Ah ok. >>> >>> Thx for the explanation. And Can I use radeonhd driver for my radeon >>> 9600 mobility ? >> >> No, it's only supported by xf86-video-ati. Plus since it's an r3xx >> card, it only supports upscaling. >> >> Alex > > Ok thx again! >
If your monitor supports it, you can switch the VGA port to 1400x1050 using xrandr or switch the LVDS port to 1024x768, then both heads will be the same size. Alex _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
