[Bug 12552] Display partially hidden and black stripe

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=12552





--- Comment #27 from Alex Deucher <agd5f at yahoo.com>  2008-01-24 09:23:26 PST ---
(In reply to comment #26)
> Hello, I just took some time to do another test, and I did it through radeon
> 6.7.195 and xserver 1.3 on ubuntu gutsy.
> 
> I can fix the problem by downscaling the LVDS display to 1024x768 and doing
> xrandr --output VGA-0 --auto && xrandr --output VGA-0 --mode 1024x768.
> 
> I did this in two step because of the wrong modes that reports xrandr with
> xserver 1.3.

what wrong modes?  the edid parsing bug?

> I did this test because when I have tested fglrx 7.12 and the clone mode (same
> resolution) option was available but not the mirror mode (different
> resolution).
> Is it a limitation of the hardware, since fglrx and radeon seem to be unable to
> do some mirror mode ?

Shouldn't be a hw limitation.  Each crtc can scan the same chunk of framebuffer
with it's own timings.  Can you try with ati git?  Can you also attach your
recent log and xrandr output?


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