Quoting Shachar Shemesh <[EMAIL PROTECTED]>:
> However, when X is set up for 16 or 32 bits/pixel, the highest
> resolution available seem to be 640x480. Looking at the X startup log, I
> can see that the system detects resolutions of up to 1280x1024, but
> discards them all as non-matching (I did not manage to understand what
> it was they did not match). When I set the color depth to 8, X has no
> problem starting at 1024x768 (the highest the LCD will support).
I'm not a real expert, but I think resolution detection works like this
(pseudocode):
foreach ( res in vesa_resolutions ) {
if ( monitor_supports( res, depth ) ) {
set_resolution( res, depth );
break;
}
}
if ( resolution_still_unset ) {
fail (X);
}
Although I think it also tries other depths in an outer loop if your depth
doesn't match, but I'm not sure.
I think your problem is that laptop monitors have resolutions that don't
necessarily match vesa standard resolutions, so you either have to give a
specific modeline (complete voodo), or hope that one of the monitor resolution
matches a vesa resolution. I would venture further to guess that the highest
vesa resolution supported by your monitor takes too much memory from the
graphics card to support full depth.
Herouth
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