On Mon, 1 Mar 2010 18:33:14 +1000, Dave Airlie <airl...@gmail.com> wrote: > On Sun, Feb 28, 2010 at 1:30 PM, Ben Hutchings <b...@decadent.org.uk> wrote: > > This addresses <http://bugzilla.kernel.org/show_bug.cgi?id=15021>. > > > > DRM drivers may fail to probe their devices when the associated AGP > > GART does not yet have a driver, so we reprobe unbound VGA devices > > when a GART device is added. > > > > Signed-off-by: Ben Hutchings <b...@decadent.org.uk> > > --- > > This is intended to address the dependency problem highlighted in the > > above bug report. That specific bug can be fixed by adding a module > > dependency from i915 to intel_agp, but in general there is no fixed > > relationship betweem DRM and GART drivers. > > > > There is a narrow race between the check for a current driver binding > > and the call to device_reprobe(). This could be closed by adding a > > variant on device_attach() and device_reprobe() that is a no-op for > > bound devices. > > > > This isn't useful, generally there is no AGP binding, and most drivers > if they can't find an AGP backend will still run fine without it. i.e. radeon, > mga etc. > > Intel is a special case and I think we've already merged an explicit > depend. > > Just build agp drivers into the kernel, I'm tempted to make them all > non-modular.
That seems easier.
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