Messages in this thread | | | Date | Fri, 13 Jan 2006 11:49:43 -0500 | From | Dave Jones <> | Subject | Re: 2.6.15-mm2 |
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On Fri, Jan 13, 2006 at 08:32:05AM +0000, Alan Hourihane wrote: > On Fri, 2006-01-13 at 09:02 +1100, Dave Airlie wrote: > > > > > > > > I've cc'ed Alan Hourihane, but from memory the Intel on-board graphics > > > > chips don't advertise the AGP bit on the graphics controllers but work > > > > using AGP... > > > > > > > > I've got an PCIE chipset with Radeon on it, and in that case I could get > > > > away without agpgart... > > > > > > Dave, > > > > > > You're probably reading too much into that last statement. > > > > > > I've never seen a pure PCI-e chipset from Intel (i.e. the ones without > > > integrated graphics) so that may not be true, but the ones with > > > integrated graphics are always treated as AGP based. > > > > > > > I'll show you one at xdevconf if I can get there, it has just a PCI-E > > root bridge no graphics controller, we still init AGP on it but I > > don't think there is any need, however for all the integrated > > graphics, even if they don't advertise AGP they do use it which is > > DaveJ's problem that he was trying not to load AGP if the AGP was > > being advertised.. > > O.k. I didn't see the original thread to this. But yes, all integrated > graphics based Intel chipsets are AGP regardless if the chip doesn't > advertise it correctly.
FWIW, I've dropped that change from agpgart.git. It caused more problems than it was worth.
Dave
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