Rouben, I think you are absolutely right. Please close the bug. Thanks for the effort.
On 12/13/06, Rouben <[EMAIL PROTECTED]> wrote: > > Well, in a case like this you will have to settle to the "lowest common > denominator", that is, the lowest-highest possible resolution for both > of your screens. For example, if your laptop's screen supports > 1400x1150, but your external LCD screen only supports 1024x768, then > you're stuck with the lower of the two values (1024x768) on both > screens. > > After some Googling, I found some configurations on this website: and the > following comment seems to confirm my suspicion about running different > resolution monitors in clone/mirror mode (above paragraph): > http://tinyurl.com/yg2xfm > "...no example for "Mirror" mode, which is pretty useless if you don't > happen to have an external monitor matching the notebook's LCD resolution, > i.e. 1400x1050, which I don't." > > >From what I know, only nVidia cards are capable of having mirrored > displays with different resolutions, I don't think ATI supports > different resolutions for mirrored monitors (and especially for extended > desktops), not even in WIndows. I may be wrong, though, because it's > been a while since I haven't used dual-display machines and/or laptops > with external monitors for over a year now. > > With regards to adding support for mirror mode on different resolution > monitors, you will have to approach ATI's Linux drivers team with a > request for a feature, however, given the nature of display cloning, I > don't think you'll get much luck... the whole idea of cloning is to send > the exact same signal to both monitors simultaneously, so different > resolutions seem to be out of the question. > http://preview.tinyurl.com/ycojma > > I also happen to know, from my laptop experience, that nVidia cards > support using the laptop's screen at native resolution, but displaying a > lower resolution image. Basically, you get a small rectangular image > centered on a higher res screen on a black or grey background. This results > in crisper images when the image is lower than native resolution on an LCD > screen, because the native resolution is used to draw the image, even though > it obviously doesn't take up the full screen. The nVidia drivers have an > option to precisely control that behaviour called "FlatPanelProperties". > Here's an excerpt from the nVidia Linux binary driver README document for > your reference: > --- SNIP --- > Option "FlatPanelProperties" "string" > Requests particular properties of any connected flat > panels as a comma-separated list of property=value pairs. > Currently, the only two available properties are 'Scaling' > and 'Dithering'. The possible values for 'Scaling' are: > 'default' (the driver will use whatever scaling state > is current), 'native' (the driver will use the flat > panel's scaler, if it has one), 'scaled' (the driver > will use the NVIDIA scaler, if possible), 'centered' > (the driver will center the image, if possible), > and 'aspect-scaled' (the driver will scale with the > NVIDIA scaler, but keep the aspect ratio correct). > The possible values for 'Dithering' are: 'default' > (the driver will decide when to dither), 'enabled' (the > driver will always dither when possible), and 'disabled' > (the driver will never dither). If any property is not > specified, it's value shall be 'default'. An example > properties string might look like: > > "Scaling = centered, Dithering = enabled" > --- SNIP --- > > The reason why I'm pointing this out to you, is because the ATI drivers > may have something similar, but I'm afraid I'm not as familiar with the > fglrx driver, so nothing comes to mind. Reading ATI's documentation > might help, though. > > Please let me know if this adequately addresses your question, as I'd > like to close this bug. Well, more of a support request than a bug, > really. :) > > -- > fglrx does not start in single screen mode > https://launchpad.net/bugs/50428 > -- fglrx does not start in single screen mode https://launchpad.net/bugs/50428 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
