Messages in this thread | | | Date | Wed, 23 Apr 2008 02:57:21 -0700 (PDT) | Subject | Re: [Linux-fbdev-devel] [PATCH 1/3] radeonfb: Fix 64 bits resources on 32 bits archs | From | David Miller <> |
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From: Michel Dänzer <michel@tungstengraphics.com> Date: Wed, 23 Apr 2008 11:32:07 +0200
> On Wed, 2008-04-23 at 08:21 +1000, Benjamin Herrenschmidt wrote: > > On Tue, 2008-04-22 at 17:55 +0200, Christian Ehrhardt wrote: > > > I wanted to ask if there are any known workarounds atm that would > > > allow me to use my X11 for now? > > > > X is doing a mmap of /dev/mem instead of /dev/fb ? > > > > You can normally map the fb mapping /dev/fb and then map the registers > > using /dev/fb at an offset beyond the framebuffer (fix->smem_len). > > > > If X is using /dev/mem instead, then it's being stupid and needs to be > > fixed... > > It's up to the driver, and again, the current radeon driver doesn't use > radeonfb at all anymore...
The only portable thing is for X to use the PCI sysfs mmap() stuff, which current Xorg servers using libpciaccess do.
I know because I'm typing this from a sparc64 using a Radeon with current Xorg :-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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