-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 14/04/12 19:05, Steven Newbury wrote: > On 14/04/12 18:37, Steven Newbury wrote: >> On 12/04/12 17:40, Steven Newbury wrote: >>> On Thu, 12 Apr 2012, 17:07:33 BST, Yinghai Lu >>> <yinghai at kernel.org> wrote: > >>>> On Thu, Apr 12, 2012 at 4:22 AM, Steven Newbury >>>> <steve at snewbury.org.uk> wrote: >>>>> Thanks, that fixed it! :) I had a similar patch I've been >>>>> working on but I had my fix in the wrong place! >>>>> >>>>> In the working case, initially the BIOS has set GMA to >>>>> within the low system DRAM 0xC0000000 obviously invalid. >>>>> This conflict is detected and it's relallocated to >>>>> 0x12000000. >>>>> >>>>> I've attempted to modify probe.c to disable 64-bit BARs not >>>>> allocated above 4G so they get reallocated above when >>>>> possible later. It seemed to work, but again broke GMA >>>>> despite the BAR originally containing an invalid address >>>>> as mentioned above, it seems for some reason something is >>>>> different when the conflict is detected and rellocated, >>>>> compared to disabling it early then allocating a valid >>>>> value..? >>>>> >> I've created a new quirk utilising an extra PCI resource flag to >> force reallocation of the resource. It's the first approach >> I've had any success at. It does work. Only "Intel Page Flush" >> now gets allocated @0xe0000000! > > > Hopefully this should fix "Intel Flush Page" Need to export pci_bus_alloc_resource_fit for intel-gtt. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
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