Hello Christian, after (long ;-)) vacation, injured wife (bad lumbago/luckily NO disc prolapse) on 2cond day @ our target, our daughter's 12th birthday, school start for both kids and mostly dad work I'm back... Do you have a V6 handy. Will do my fingers dirty if no Intel guy beats me at it. Greetings, Dieter Am 30.06.2017 14:55, schrieb Christian König: > Hi Dieter, > > thanks a lot for testing that. > >> But I think my poor little FUJITSU PRIMERGY TX150 S7, Xeon X3470 >> (Nehalem), PCIe 2.0, 24 GB is to old for this stuff... > Well, actually you only need to figure out how to enable a PCIe window > above the 4GB limit. > > Could be that the BIOS supports this with the ACPI tables (totally > unlikely) or you could try to dig up the Northbridge documentation for > this CPU from Intel and use my patch for the AMD CPUs as blueprint how > to do this on an Intel CPU as well. > > Fact is you GFX hardware is perfectly capable of doing this, it's just > that the BIOS/Motherboard didn't enabled a PCIe window per default to > avoid problems with 32bit OSes. > > Regards, > Christian. > > Am 30.06.2017 um 01:51 schrieb Dieter Nützel: >> Hello Christian, >> >> I've running this since you've sent it on-top of amd-staging-4.11. But >> I think my poor little FUJITSU PRIMERGY TX150 S7, Xeon X3470 >> (Nehalem), PCIe 2.0, 24 GB is to old for this stuff... >> >> [ 1.066475] pci 0000:05:00.0: VF(n) BAR0 space: [mem >> 0x00000000-0x0003ffff 64bit] (contains BAR0 for 16 VFs) >> [ 1.066489] pci 0000:05:00.0: VF(n) BAR2 space: [mem >> 0x00000000-0x003fffff 64bit] (contains BAR2 for 16 VFs) >> [ 1.121656] pci 0000:00:1c.0: BAR 15: assigned [mem >> 0x80000000-0x801fffff 64bit pref] >> [ 1.121659] pci 0000:00:1c.6: BAR 15: assigned [mem >> 0x80200000-0x803fffff 64bit pref] >> [ 1.121662] pci 0000:01:00.0: BAR 6: assigned [mem >> 0xb0120000-0xb013ffff pref] >> [ 1.121681] pci 0000:05:00.0: BAR 6: assigned [mem >> 0xb0280000-0xb02fffff pref] >> [ 1.121683] pci 0000:05:00.0: BAR 9: no space for [mem size >> 0x00400000 64bit] >> [ 1.121684] pci 0000:05:00.0: BAR 9: failed to assign [mem size >> 0x00400000 64bit] >> [ 1.121685] pci 0000:05:00.0: BAR 7: no space for [mem size >> 0x00040000 64bit] >> [ 1.121687] pci 0000:05:00.0: BAR 7: failed to assign [mem size >> 0x00040000 64bit] >> [ 3.874180] amdgpu 0000:01:00.0: BAR 0: releasing [mem >> 0xc0000000-0xcfffffff 64bit pref] >> [ 3.874182] amdgpu 0000:01:00.0: BAR 2: releasing [mem >> 0xb0400000-0xb05fffff 64bit pref] >> [ 3.874198] pcieport 0000:00:03.0: BAR 15: releasing [mem >> 0xb0400000-0xcfffffff 64bit pref] >> [ 3.874215] pcieport 0000:00:03.0: BAR 15: no space for [mem size >> 0x300000000 64bit pref] >> [ 3.874217] pcieport 0000:00:03.0: BAR 15: failed to assign [mem >> size 0x300000000 64bit pref] >> [ 3.874221] amdgpu 0000:01:00.0: BAR 0: no space for [mem size >> 0x200000000 64bit pref] >> [ 3.874223] amdgpu 0000:01:00.0: BAR 0: failed to assign [mem size >> 0x200000000 64bit pref] >> [ 3.874226] amdgpu 0000:01:00.0: BAR 2: no space for [mem size >> 0x00200000 64bit pref] >> [ 3.874227] amdgpu 0000:01:00.0: BAR 2: failed to assign [mem size >> 0x00200000 64bit pref] >> [ 3.874258] [drm] Not enough PCI address space for a large BAR. >> [ 3.874261] amdgpu 0000:01:00.0: BAR 0: assigned [mem >> 0xc0000000-0xcfffffff 64bit pref] >> [ 3.874269] amdgpu 0000:01:00.0: BAR 2: assigned [mem >> 0xb0400000-0xb05fffff 64bit pref] >> [ 3.874288] [drm] Detected VRAM RAM=8192M, BAR=256M >> >> Anyway rebase for current amd-staging-4.11 needed. >> Find attached dmesg-amd-staging-4.11-1.g7262353-default+.log.xz >> >> Greetings, >> Dieter >> >> Am 09.06.2017 10:59, schrieb Christian König: >>> Hi everyone, >>> >>> This is the fith incarnation of this set of patches. It enables >>> device >>> drivers to resize and most likely also relocate the PCI BAR of >>> devices >>> they manage to allow the CPU to access all of the device local memory >>> at once. >>> >>> This is very useful for GFX device drivers where the default PCI BAR >>> is only >>> about 256MB in size for compatibility reasons, but the device easily >>> have >>> multiple gigabyte of local memory. >>> >>> Some changes since V4: >>> 1. Rebased on 4.11. >>> 2. added the rb from Andy Shevchenko to patches which look complete >>> now. >>> 3. Move releasing the BAR and reallocating it on error to the driver >>> side. >>> 4. Add amdgpu support for GMC V6 hardware generation as well. >>> >>> Please review and/or comment, >>> Christian. >>> >>> _______________________________________________ >>> dri-devel mailing list >>> dri-devel at lists.freedesktop.org >>> https://lists.freedesktop.org/mailman/listinfo/dri-devel
