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https://bugs.freedesktop.org/show_bug.cgi?id=788
------- Additional Comments From [EMAIL PROTECTED] 2005-03-08 07:40 -------
(In reply to comment #12)
> (In reply to comment #11)
> > Are not all modes validated?
>
> They are, but the radeon driver doesn't use xf86ValidateModes() in all cases
> but
> has some of its own validation functions.
I think they ALL call xf86ValidateModes though.
> Even when xf86ValidateModes() is used,
> I'm not sure how it interacts with virtual resolutions e.g.?
I believe that actually _only_ virtual resolutions are validated.
> Have you tried 1680x1050 virtual resolution?
I have tried virtual resolutions slightly larger than 1280x1024 (e.g. 1288x1024)
they all result in a pitch of 1344, without problems.
However, I have also tried the same with UseFBDev, the indicated pitch was still
1344, but the results inconclusive to that specific problem, since the screen in
2d was a garbled mess anyway. All virtual resolutions which do not have a pitch
of 64 pixels simply do not work, maybe the modes used by fbdev and the modes
which xorg thinks get used (as per mode validation) are not quite the same or
something like that.
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