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 -------------- next part -------------- A non-text attachment was scrubbed... Name: dmesg-amd-staging-4.11-1.g7262353-default+.log.xz Type: application/x-xz Size: 18008 bytes Desc: not available URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20170630/a16004ee/attachment.xz>