On Tue, Apr 10, 2012 at 2:19 PM, Steven Newbury <steve@xxxxxxxxxxxxxxx> wrote: > Another thought, normally the integrated graphics has an "AGP" > aperture of 256M @0xe0000000, which is detected by agpgart-intel, this > will need to be moved up above 4G to free up 0xe0000000 for the > radeon, assuming the "agp_bridge" has a 64bit base register... I > noticed in my docked dmesg, "AGP aperture is 256M @ 0x20000000", but > the PCI base: "120000000-12fffffff : 0000:00:02.0" so only 32bits have > been set in agpgart-intel. Explains why i915 wasn't initialised. Attached patch should fix that high 32bit missing problem. Yinghai
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fix_i915_gma_bus_addr.patch
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