[Bug 11062] Cannot setup resolution higher than 1024x768 on laptop with ATI Mobility Radeon card

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=11062





------- Comment #12 from lelikv at gmail.com  2007-05-26 06:45 PST -------
(In reply to comment #11)
> (In reply to comment #10)
> > (In reply to comment #9)
> > > (In reply to comment #8)
> > > > can you try adding the 1400x1050 mode to the mode list in the display section
> > > > of config?  e.g.,
> > > > 
> > > > Modes "1400x1050" "1280x1024" "1024x768" "800x600" "640x480"
> > > > 
> > > > Looks like the driver is trying to use 1280x1024.
> > > > 
> > > 
> > I mean that I want to set 1280x1024. But when I used PanelSize option, only
> > left upper corner of screen is displayed and LCD is blinking. 
> 
> Are there any modes that do work on the panel?  Are you sure it's 1400x1050? 
> The bios specifies panel timings and size for 1024x768, so we don't have timing
> information for 1400x1050.  Without that it's guess-work get get proper panel
> timing which is why your get the blinking and such.
> 
Only 1024x768 works correctly. I'm sure, that 1400x1050 is supported by that
panel, because it's SVGA+ 15 inch lcd 1.5 years old. How can I calculate proper
timing values for 1280x1024 resolution? I know about special calculators, but I
don't have any information about that LCD. Any ideas?


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