Messages in this thread | | | Date | Fri, 27 Feb 2004 12:45:28 +0200 | From | Zilvinas Valinskas <> | Subject | Re: Radeon Framebuffer Driver in 2.6.3? |
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On Fri, Feb 27, 2004 at 08:56:42PM +1100, Benjamin Herrenschmidt wrote: > On Fri, 2004-02-27 at 21:06, arief# wrote: > > Dear all. > > > > > > This patch from Benjamin solved my problem. > > > > To Zilvinas <zilvinas@gemtek.lt>, I've tried your suggestion to change > > my XF86Config-4 file to include UseFBDev line. But it doesnt work. It > > made my Xserver wont even start. But I'm not sure, it could be X problem > > (Debian Unstable got some updated X package that I haven't got a chance > > to upgrade to). > > There is a problem with recent radeonfb's an X + UseFBDev. I think the > problem is that XFree is claiming a mode whose virtual resolution is very > large. I have to verify that (it works for me here). Radeonfb has > limitations on what it allows on the virtual resolution in recent > version to limit the ioremap'ing done in the kernel. Unfortunately, > there is no simple way to "detach" one from the other at this point. > > I should modify radeonfb to crop the virtual resolution instead of > failing though... > > Can you try hacking in drivers/video/aty/radeon_base.c, function > check_mode() and see why it fails ? (I think it's that function > that is failing).
Not sure what was failing on Arief# laptop, here it works perfectly fine. Hardware: Compaq EVO N800v, kernel 2.6.3 , frambuffer and UseFBDev "true" just fine.
Without UseFBDev console had almost the same effects Arief has reported. After "clear screen" ^L in console with X running in background, I see a lot of artifacts ... UseFBDev made it go away.
BR
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