-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 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" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
iEYEARECAAYFAk+JvIQACgkQGcb56gMuC63G3ACgma4pUxuwjAAJ0ACS5A32xFwa k1MAn21y2w6m+Ar+3DwH4Swy1IlicHmN =nBpy -----END PGP SIGNATURE----- -------------- next part -------------- A non-text attachment was scrubbed... Name: intel-flush-page-fit.diff Type: text/x-patch Size: 943 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20120414/dfc8bd62/attachment.bin>
